Bolted magasin

Nord-Lock Group udgiver Bolted - et branchemagasin for dig, som vil nørde dig ned i de små detaljer ved sikring af boltesamlinger. Vi publicerer løbende om den nyeste teknologi og forskning i emnet.

Bolted magasin

Nord-Lock Group udgiver Bolted - et branchemagasin for dig, som vil nørde dig ned i de små detaljer ved sikring af boltesamlinger. Vi publicerer løbende om den nyeste teknologi og forskning i emnet.

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Latest content

Derfor vælger tunge køretøjer Expander System ledaksler Se de økonomiske fordele ved reduceret vedligeholdelse og færre reparationer, og læs et casestudie om Offroad Leichtbau Manufakturs brug af Expander System under ekstreme terrænforhold Læs mere
Boltvedligehold med enormt potentiale – sådan arbejder Nord-Lock Group med MRO inden for vandkraft Få styr på opretning af koblinger, fastgør bolte sikkert, og reducer risikoen for ekstreme vibrationer med Nord-Lock Groups ekspertise inden for vedligeholdelse af vandkraft- og turbinebolte. Læs mere
EDF Hydropower og Superbolt Tool: Vedligehold af bolte med stort potentiale Vedligeholdelse af en 15 tons Pelton-hjulturbine, en af Europas største pumpelagringsanlæg. Læs mere
Superbolts innovationskultur og fuldt fokus på smart boltning Fra vognen til kilelåsningsskiver, siden møttriken og boltens opfindelse har løsnende bolte været et iboende problem. Læs mere
"Alexa: Hvordan kan intelligente produkter redefinere bolt vedligehold? " Nord-Lock Group og Revotec samarbejder om at levere digital preload-overvågning og banebrydende strukturel vedligeholdelse af jernbanestøjskærme. Læs mere

Fra Bolted: Artikler om bolte og den bagvedliggende teknologi

Hvor meget kraft kræver det at spænde en bolt? Du kan sammenligne vægten på dyr for at visualisere hvor meget kraft der skal til for at opnå eksponentiel momentkraft for store bolte. Læs mere
Eksperterne: Kan jeg bruge Nord-Lock kilelåsningsskiver på malede overflader? Nord-Lock kilelåsningsskiver er en effektiv boltsikringsmetode til brug på coatede overflader i offshore-industrien Læs mere
Eksperterne: Kan jeg bruge Nord-Lock kilelåsningsteknologi til at låse Expander System? Vores eksperter forklarer, hvordan kilelåsningsteknologien kan kombineres med Expander System og øge sikkerheden. Læs mere
Overvejelser når man genbruger boltesamlinger Forspænding av bolte og boltsamlinger er noget af det viktigeste at overveje hvis det er tale om genbrug af boltesamlinger. Læs mere
3 Tips for at finde den rette boltsikring Løsnelse af bolte er et almindeligt problem, især til kritiske applikationer. Her er nogle tip til at vælge den rigtige boltsikring udefra funktionalitet, sikkerhed og omkostning. Læs mere
Hvad er de termiske virkninger på boltesamlinger? Temperatursvariationers effekt på boltede samlinger Driftstemperaturer over 250°C aktiverer krybning- og afspændingsfænomener i legereringer og konstruktionsstål. På trods af, at bolte installerets... Læs mere
Hvad er Load Transfer Factor? Ved anvendelse af hydrauliske boltstrækkere til at overtage en kontrolleret forspænding i en boltforbindelse må flere nøglefaktorer, herunder belastningsoverførselsfaktor, beagtes. Læs mere
Spørg eksperterne: Dele byrden Hvorfor sender Nord-Lock en hærdet skive med hvert Superbolt tensioner? Læs mere
What Is the Relationship Between Torque, Preload and Friction? One of the main methods to preload a bolt is to apply a torque on its head. This is a very common process in the industry, however it is not easy to control accurately. Læs mere
What Is the Difference Between a Straight Pin and Expander System? Pivot pins are located on cylinder rod ends and between moving mechanical parts. But what how does Expander System work differently from a traditional pivot pin? Læs mere
Spørg eksperterne: Hookes lov vs boltesamlinger Spørgsmål: Hvad er Hookes lov og hvorfor er den så afgørende for boltesamlinger? Svar: Hookes lov vedrører nøjagtig tilspænding af boltesamlinger. Når man undersøger en bolts klæmkraft, er den aksi... Læs mere
Spørg eksperterne: forbedring af udmattelsesstyrke En boltesamling har en meget lille udmattelseskapacitet sammenlignet med dens statiske kapacitet. For at øge udmattelsesstyrken kan konstruktørerne øge gevindkapaciteten og sænke vekselspændingerne... Læs mere
Vigtigeste tipsen fra bolte eksperten Japans førende ekspert inden for boltning og forfatter til 'Bolted joint engineering' - Doctor Tomotsugu Sakai - deler sine indsigter om sikkring af bolte Læs mere
Sådan aflæser du mærkning på bolte og møtrikker Spørgsmål: Hvad betyder mærkning og symboler på bolte og møtrikker?     Svar:  Boltehoveder og møtrikker er ofte markeret med tal, bogstaver, bindestreger, skråstreger, prikker eller andre mærkning... Læs mere
Kan jeg bruge Nord-Lock rustfri stålskiver med stålbolte? Når du sammenstiller en boltsamling, er der flere aspekter, der skal overvejes. Find ud af, hvilke materialer der skal bruges til de forskellige dele. Læs mere
Preventing galling and seizing in bolting Galling is caused by a combination of friction and adhesion between metallic surfaces during sliding. In extreme cases galling leads to seizing. Læs mere
How to Optimize a Bolted Joint Through Clamped Length? Clamped length is the free length of a bolt that is stretched under tension. Find out what is the optimal bolt length that you should consider. Læs mere
When and Why Do You Need Lubrication During Tensioning? Proper use of lubrication is crucial to safeguarding repeatable and precise preload control in bolt tensioning. What should you pay attention to during lubrication? Læs mere
What Are the Key Advantages of Hydraulic Tensioners?  What are the key advantages of hydraulic tensioners? Læs mere
The Experts: Getting the most out of fasteners Before you re-use bolts, you should always consider the security level of the assembly and economic factors. Læs mere
Why does torque vary when tightening and untightening? Why is the untightening torque lower than the tightening torque when tightening a bolt or nut? Læs mere
The Experts: Picking up the slack Why is slackening becoming an increasing problem? Læs mere
The Experts: Why do Superbolt multi-jackbolt tensioners prevent loss of preload? Superbolts have been used in numerous demanding bolting applications with extreme working loads and high vibrations. What mechanical principle of Superbolts prevent loss of preload? Læs mere
Sådan bestemmer du korrekt tilspændingsmoment Jeg kender ikke mit værktøjs tilspændingsnøjagtighed. Hvordan skal jeg beregne momentet der skal bruges? Læs mere
Can I Use an Additional Locking System with Nord-Lock Washer? Other specialised locking systems, including prevailing nuts and adhesives, are not advisable and would not add any benefits to the joints. Læs mere

Video

Video: Get to know Expander System
Video: When Safety Really Matters
Bolt behavior and its elastic limits
Video: How Does the Nord-Lock Washer Work?
Installere EzFit
Boltigt Typhoon
Video: Boltight easy piston retraction pump
Video: Irish Rail safely secured with Nord-Lock washers
Video: Hydraulic tensioners for compact flanges
Video: Tightening Boltight multi stud bolt tensioners
Video: Installing a Boltight hydraulic bolt tensioner
Video: Boltight subsea hydraulic bolt tensioners
Video: Tips on Reusing Nord-Lock Washers
Video: How multifunctional wedge-locking works?
Video: Verifying the Locking Function of Nord-Lock Washers
Video: Nord-Lock Washers in the Junker Vibration Test
Video: Introduction to Superbolt Ezfit Mechanical Expansion Bolts
Actsafe stoler på Nord-Lock-skivers velkendte kvalitet
Video: Superbolt Multi-Jackbolt Technology

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How to Pick the Right Bolt Size? A common mistake is to oversize the bolt, which can result in costly failure and censure. What should you take note when choosing the right bolt size? Læs mere
Friktion: En naturkraft Friktion er en faktor, der ikke skal ignoreres, når det kommer til spændebolte. Altid til stede i en boltet samling, kan friktion være en del af problemet - eller en del af løsningen. Læs mere
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A viable solution that can end lug wear In many industries, lug wear is simply accepted as an unavoidable fact of life. But does it need to be? Could the Expander System offer a viable solution? Læs mere
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Ekstreme temperaturers indvirkning på metalliske materialer Der findes mængder af situationer hvor bolte samlinger, udsættes for ekstreme temperaturer. Det er vigtigt at overveje de virkninger, disse temperaturer vil have på de metaller, der anvendes. Læs mere
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EDF Hydropower og Superbolt Tool: Vedligehold af bolte med stort potentiale Vedligeholdelse af en 15 tons Pelton-hjulturbine, en af Europas største pumpelagringsanlæg. Læs mere
Bliv på sporet med kilelåsningsskiver Sam Retke er dragracer på sin fritid og bruger Nord-Lock kilelåsningsskiver i sin 1984 VW. Læs mere
En sikker låsemetode for landbrugsdroner UAV'er (Unmanned Aerial Vehicles) er en ny teknologi, der spiller en afgørende rolle i at modernisere Kinas landbrugssektor. Læs mere
Vegas High Roller: Sikkring af et 168m meter højt pariserhjul American Bridge kontaktede Boltight for med brug af hydrauliske tensioners at sikre skråstiveren på Vegas High Roller imod stærk vind og seismisk aktivitet. Læs mere
Stempel kompressoren - En olie- og gasarbejdshest Kobe Steel benytter sig af Nord-Lock skiver, Superbolt og Boltight produkter for at bygge sikre kompressorer. Læs mere
Hvordan DIY engineering grundlagde en glædesskabende hundrede år gammel sport Spiribol -spillet er et resultat af simpel teknik og et dybtgående ønske om at få en positiv social indvirkning for alle aldre Læs mere
Sikre maskiner til at høste i den hårdeste skov Sådan bygger denne globale leverandør af harvester heads robuste og fleksible maskiner der kan klare selv den hårdeste skovrydning. Læs mere
Korrosionsbestandige skiver perfekte til sikring af marine kajfendere Nord-Lock kile-låseskiver giver en sikker boltningsløsning til den sydkoreanske skibsfartsinfrastruktur, der sikkrer udsatte marine kajfendere. Læs mere
Expander System perfekt løsning i komplekst brodesign Skræddersyet Expander-aksler sikrer kritiske befæstelselementer , hvilket giver præcision og pålidelighed til at hæve/sænke Hisings -broen i Sverige, så skibe kan passere nedenunder. Læs mere
Rebuilding the Genoa bridge Safety is always the major consideration in bridge construction, but the circumstances of the Genoa project underscored its absolute priority for PERGENOVA. Suppliers and sub-contractors were chosen based on stellar credentials, but also competitive cost and speed of implementation. Læs mere
Expander system ensures long-life for excavators We all expect our roads to be smooth, our pavements unrutted, to have running water, electricity, gas, and telecommunications in our homes and offices and yet many of us probably pay little attenti... Læs mere
Amusement park safety: Leaving nothing to chance When it comes to amusement park attractions, safety is absolutely crucial. However, maintenance can both be expensive and time-consuming. But there is a solution for worn-out axles and bearings tha... Læs mere
Increasing the capacity of Benteler Arena Fan safety in football stadiums has come a long way in recent decades, yet collapses and accidents still occur. Læs mere
Providing safety in huge steel constructions When durability and safety are absolutely critical in a construction project, small things like washers can have a huge impact. Læs mere
Taking a weight off your shoulders Braving the elements and getting close to Nature can be an enlightening experience, especially for children. But proper planning is crucial. Læs mere
An innovative solution for a special bridge 140 meters in length, 45 meters wide and 3,400 metric tons heavy. And gold coloured. The new bridge in Stockholm is definitely set to be a new landmark in Sweden’s capital city. Læs mere
Imagining the successful solution in your mind Like a winning athlete, can a maintenance manager see the perfect fix in his mind before actually doing it? Japan Steel Works might have the answer. Læs mere
Mod stjernerne Der er hårde forhold i den øvre atmosfære. At udvikle en motor til en rumraket, der kan modstå forholdene, er en enorm udfordring. En udfordring for Nord-Lock skiver. Læs mere
Ensuring Safety in Car Racing The Korean Formula Student Competition (KSAE) allows engineering students to design and race their own cars - putting their engineering skills to the test in a real-life environment. Læs mere
Expander System Keeps Municipal Projects on Track A simple solution using the Expander System fixed a costly and time-consuming problem. Læs mere
A Wind-Win Situation Wind turbine towers are designed to flex and bend, which helps them dissipate the significant forces being exerted upon them. However, this had been causing dangerous failures in the bolts. Læs mere
Solving a Pressing Issue with Superbolt Tensioners From hydropower generation facilities to bookbinding press, the usability of Superbolt multi-jackbolt tensioners transcends across different types of applications to keep bolted connections firmly together. Læs mere
The Safest Truck Fleet in Europe EDEKA Südbayern takes the initiative to ensure truck safety. Using Nord-Lock wheel nuts, they are securing their fleet of over 300 trucks and 475 truck drivers' lives in southern Germany. Læs mere
FRA POL TIL POL – EN EKSTRAORDINÆR INSTALLATION Omstændighederne på Antarktis lægger et ekstremt pres på de boltede forbindelser, der holder vitale applikationer sammen. Læs mere
A Simple Solution for an Advanced Machine With the world’s appetite for LCD displays seemingly insatiable, Hyundai Robotics’ LCD handling machines are in high demand from LCD manufacturers. Læs mere
Getting the best of both worlds On the face of it, building the Kienlesberg bridge was a real-life mission impossible. After all, how can you successfully bring together two completely opposing concepts? Læs mere
Reducing lug wear once and for all Earthworks contractor, Blackwell, supplies all the mining equipment at House of Water, one of the last remaining surface coal mines in the UK. Læs mere
Alstom and Nord-Lock Group: A secure coupling French multinational Alstom is a global player in the rail transport industry with a raft of international customers seeking the most comprehensive range of products and services on the rail market. Læs mere
Saving time and money by using the right wheel nuts Holzwerke Ladenburger is one of Europe’s largest suppliers of wood products for the building industry, producing 800,000m3 of timber products every year. They had to retighten their wheel nuts ever... Læs mere
When the going gets tough Off-road vehicles are built to handle what would break most cars and trucks. Whether driving through mud or racing up a mountainside, these vehicles need state-of-the-art technology to stay in top condition. Læs mere
Pushing the boundaries of express trains The central Japan railway Company (JR Central) operates the Shinkansen superexpress bullet trains that connect Tokyo and Osaka – Japan’s two biggest cities. Læs mere
Steering pins replaced fast The challenge A mining company in Canada needed a better solution for replacing the steering pins on its fleet of one hundred Komatsu trucks. With the traditional method, replacing the pins took aro... Læs mere
Washers reduce costs in propeller assembly During the worst shipping crisis in history, Mecklenburger Metallguss reinvented the ship propeller to help the world’s largest container ships sail through the storm. Læs mere
Safe and effective wind turbine maintenance Nearly two years ago, US company All Energy Management (AEM) began developing retrofits and training companies that service a fleet of 1,000 wind turbines in the UK, the US, Canada and Italy. Læs mere
SpaceX competition winners chose wedge-locking washers In 2015, Elon Musk, the billionaire behind the futuristic transport technology companies Tesla and SpaceX, launched the Hyperloop Pod Competition. It challenges university students to design the be... Læs mere
Washers triple-protect nuclear transports THE CHALLENGE Daher Nuclear Technologies GmbH, located in Hanau close to Frankfurt am Main, Germany, develops containers for transportation of radioactive substances. For obvious reasons, these con... Læs mere
[NLO] Cheaper but better solution for tractors with washers A producer of agricultural vehicles for close to 20 years, Turkish company Hattat Traktör knows that, when the going gets tough, it is the durability and reliability of their products that save the... Læs mere
Customized washers keep KTM in the race Pick any of the world’s most exciting motor races and you will find the orange motorcycles by KTM, Europe’s largest manufacturer, among the top contenders. Læs mere
No more loose screws on giant quay cranes Paceco España has been using Nord-Lock washers in their quay cranes to prevent bolted connections from coming loose by vibrations during operation. Læs mere
Hydraulic Tensioning Tool for Nuclear Reactor Pressure Vessel Doosan Heavy Industries & Construction required a bolt tensioning solution to tighten nuclear reactor pressure vessel stud bolts. Læs mere
Improving steel mill safety and productivity The JFE Steel Corporation’s West Japan Works is one of the largest and most advanced steel mills in the world. Like all steel plants, the operating conditions are exceptionally demanding on machine... Læs mere
Creating big opportunities for small distributor Danish company Viggo Bendz has recently started supplying Stena Recycling with the Expander System for their grab machines - a potentially lucrative development for a small independent operator. Læs mere
Bespoke bolt tensioners secure deep-water pipelines Boltight solutions continue to be employed on more and more specialist applications in a multitude of markets worldwide. Læs mere
Focus on security in windy and vibrating environment THE CHALLENGE Dutch company Akkadia manufactures specialist CCTV systems for demanding situations in various industries. Its cameras can be found everywhere, from offshore, to polar regions and des... Læs mere
Nord-Lock Group keeps the railway industry on track Starting with ROLLING STOCK some 20 years ago, Nord-Lock wedge-locking washers are now found in all safety-related areas of the railway industry, such as bogies, coupling devices, brake systems, ra... Læs mere
Washers keep airplanes in the air Look up into the sky in the coastal city of Miri, in north-eastern Sarawak, Malaysia, and you may see Nord-Lock washers in action: inside a radio-controlled aircraft. These hobby airplanes are sold... Læs mere
No downtime with innovative pivot pins Rambooms Oy is a global supplier of breaker boom systems to crusher manufacturers and mines. Based in Finland, its products are used to break oversized rocks. Læs mere
Converting sea wave motion into energy With oceans covering more than 70 per cent of the earth’s surface, wave power is potentially a huge untapped source of renewable energy. The problem is that most wave energy converters are too larg... Læs mere
Renovating Nuremberg’s metro – without affecting the timetable Renovating an underground railway system without weeks of construction and chaos caused by delays and diversions was previously unheard of. That is, until a unique concrete bolt emerged in Nuremberg. Læs mere
Firdobling af maskinens og tusindvis af dollars sparet Yanacocha minen i det nordlige Peru er en af de største guldminer i verden. Som for enhver anden virksomhed er nedetid lig med mistet produktion og dermed også penge. Det vigtigste er altid at hold... Læs mere
Expander systemet sparer en dags arbejde Gamle Skog er et skovhuggerfirma, som bl.a. har en række skovningsmaskiner. Maskinerne arbejder i princippet året rundt, og borteliminering af bekostelig udetid har altid en høj prioritet for Gamleby. Læs mere
Pressing problem solved with Superbolt THE CHALLENGE Bolted joints are a key component of most machines, which make them essential to many of Japanese Sodick Corporation’s applications. The company manufactures industrial machines and m... Læs mere
Nye horisonter med Expander systemet I de sidste 100 år har Royal Boskalis Westminster N.V. været en førende aktør på verdensplan inden for opmudring, offshore aktiviteter samt serviceydelser til havs. Firmaet har altid haft sikkerhed... Læs mere
Tightened Just Right Engineering projects don’t get much bigger. A suspension bridge with only one tower, on limited bedrock, with ten lanes of traffic that has to be able to withstand the largest earthquake expected o... Læs mere
Swivel shackle with impressive lifting power The Swivel Shackle Giga DSS from Codipro incorporates a Superbolt tensioner. This is the most efficient lifting ring ever made and can handle turning loads. Læs mere
Med sigte mod stjernerne Med LINC-NIRVANA-instrumentet tilsluttet LBT-teleskopet (Large Binocular Telescope) kan astronomer se lige ind i galaksernes hjerter med utrolig skarphed. Læs mere
Green technology for sustainable land clearing Mulching machines are exposed to extreme vibration. Extending their life cycle and sharpness of the teeth is vital for sustainable land clearing. Læs mere
New materials increase railway safety The development of new materials, for example glass-fibre reinforced plastic (GRP), has set new trends for the infrastructure of railway companies. Læs mere
The wind turbine time machine With the sector growing globally every year, the wind energy industry is looking to use less material for producing big wind turbine parts. Læs mere
Expander systemer består 50.000 timers afprøvning med lethed Expander systemet blev afprøvet i praksis på Volvo gummihjulslæssere Læs mere
Fuld tillid til Expander fra første færd Maskinia monterer Expander drejetapper på alle deres maskiner. Læs mere
Washers safeguard transport safety To avoid accidents that would put people and the environment in harms way, it is crucial that the transport of liquids is managed safely and efficiently. Læs mere
On site, offshore, under pressure Dutch company Heat Solutions on Site BV (HSOS) is a leading service provider in the metal sector. Their services include heat treatment and machining on site. Læs mere
Securing bridges over cooling water The Port of Rotterdam (Netherlands) receives every year the visit of around 35,000 seagoing vessels and 130,000 inland vessels. This makes the Port of Rotterdam the largest port in Europe and third... Læs mere
Taking wind energy to new depths Offshore wind turbines are an increasingly common sight as the world moves towards more sustainable forms of energy production. Læs mere
Fusion Power Swiss Plasma Center's problems with vertical, horizontal and axial vibrations are solved with the installation of Superbolt expansion bolts. Læs mere
Staying on track By using Nord-Lock washers, PT. INKA can now be sure that the bolted connections between the bogies and under frame of their trains are fully secured. Læs mere
Putting the X-series to the test The Challenge Wam Metals is a manufacturer and supplier of a wide range of specialized non-ferrous and ferrous components, servicing both the local South African and the international markets. The... Læs mere
Superbolt tensioners sikrer slampumpe cover Superbolt tensioners blev brugt til at udskifte hydraulik nøgler på et pumpe cover. En komplet løsning der sparede omkostninger og tid for at sikre boltsamlingerne! Læs mere
Agility Group improves safety miles from the nearest coast The failure of a bolted joint in the offshore Oil & Gas industry not only could lead to catastrophic consequences for personnel and the environment, but also for the bottom line. On crucial bolted... Læs mere
Producent af skovbrugsmaskiner vælger pålidelig boltløsning Den svenske producent af skovbrugsmaskiner, SP, henvendte sig til Nord-Lock for at sikre sig, at alle deres maskinkomponenter bliver siddende, hvor de skal. Læs mere
Tårnhøj udfordring for gigantisk kran Udfordringer er ikke noget nyt for Terex Tower Cranes – en italiensk producent af kraner til byggebranchen og industrien, der blev grundlagt under navnet Comedil S.r.l i 1962. Læs mere
Innovativ vindmølleproducent føler sig sikker med Nord-Lock Kvalitet og holdbarhed er det vigtigste for Eastern Wind Power, når det gælder deres 50 kW-vindmøller med lodret aksel (VAWT). Læs mere
Kina: muligheder på kulmarkedet Det indenlandske kulmarked fortsætter sin nedadgående tendens siden Kina sammenlagde sine kulressourcer i 2008. Læs mere
Ecuadors nye kraft Ecuador dækker allerede 45 % af sit energiforbrug med vandkraft, men går efter at øge andelen til 93 % i 2016. Læs mere
Superbolt tensioners sikrer Tata Steel’s BOS omformere The Tata Steel’s Port Talbot Basic Oxygen Steelmaking (BOS) anlæg simplificerer deres drift ved at installere Superbolt tensioners på deres BOS omformere Læs mere
Tensioners på Alcoas 50.000 tons store presse Superbolt tensioners, dobbeltmøtrikker og flexnuts blev brug på Alcoas 50.000 tons presseudstyr. Læs mere
Batteriopladning i Alperne Med Alperne i baggrunden har et schweizisk kraftværk løst problemet med at lagre elektricitet. Læs mere
Fordel iDapt Skiverne i Nord-Locks X-serie er med til at gøre forbindelsen mellem ketsjerhovedet og grebet mere sikker og modstandsdygtig over for både vibration og sætninger. Læs mere
Safety secures trust For more than 30 years, unsurpassed safety has been synonymous with the Nord-Lock Group. Læs mere
Powerful circles Nord-Lock enlarged external diameter wedge locking washers make the connections on a circular storage unit for lignite absolutely secure. Læs mere
Order in the court The Challenge Invented 50 years ago in Mexico, the racquet sport padel tennis is now played all over Europe. In Sweden, sport floor specialist Unisport is riding the hype, having built around 60 pa... Læs mere
En kæmpe hammer For at ramme en stang i jorden skal en vægt på 6.000 kg løftes til en højde på 150 cm og derefter køres nedad for at skabe en kollision med en kraft på 105 kilojoule. Læs mere
Testing the Energy Solutions of Tomorrow At Clemson University, an old shipyard has been turned into the world’s largest wind energy testing centre. Renk Test System (RTS), a German company, has provided a facility containing the world’s... Læs mere
Rallying for safe bolted joints Motor sports are not easy on the cars. High speed, torque, vibrations, g-forces and hard knocks put enormous strain on the cars and their components. Læs mere
Bridging the Gap The Hohenzollern Bridge is not only one of Cologne’s most recognizable landmarks, but also a vital link across the Rhine River. The SBS sleepers are fitted with Nord-Lock washers on all safety-critical joints. Læs mere
Making deep sea drilling safer As the global industry looks for safer deep sea oil drilling solutions, MPO’s gas riser handling systems are in high demand. In just a few years, they’ve grown from a small office into a global supplier with over 200 employees. Læs mere
Extreme temperature and high pressure Ethylone and Propylene might not be well known substances to the general public, but they’re actually among the most important products in the global petrochemical industry. Læs mere
Faster transport for heavy machinery Excavators are a vital piece of machinery for any mine, but for all their horsepower, they are incredibly slow and cumbersome to move. In fact, 15 percent of their time is spent travelling, and this enforced downtime means lost income. Læs mere
Prevent Bolt Loosening in Space OHB Sweden AB provides the Solar Orbiter with systems that allow it to position itself in orbit around the sun and make a complex series of gravitational-assist fly-bys past both Earth and Venus. Since bolt loosening can’t be fixed in space, OHB takes no chances. Læs mere
Blown away Global Tech 1 is one of the first offshore wind farms being built in the German section of the North Sea. When completed, it will be able to generate more than 1.4 billion kilowatt hours per year o... Læs mere
The blade sticks to the handle Fencing is a demanding sport, not only for the athletes but also on the equipment. In any competition a fencing sword is subjected to lots of movement and pressure, which can gradually loosen the connection between the blade and the handle. Læs mere
Andritz Hydro Helping Hydropower Look to the Future The hydropower plant in Laxede on the river Luleälven was built more than 50 years ago. The turbines in two of the three units are now being refurbished and, for the first time, the runners will be replaced – a challenge taken on by Andritz Hydro AB. Læs mere
No time for downtime Every year Nucor produces over 21 million tonnes of steel, making it the biggest steel producer in North America and one of the biggest in the world. Læs mere
Right on target For over thirty years, Biathlon Target System Kurvinen has been a world-class pioneer in biathlon target and range systems and has exported its products to over 30 countries. During a competition, Kurvinen targets will be continuously shot at and subjected to thousands of hits. Læs mere
Turning water into power For over 35 years, Canyon Hydro has been delivering hydro-electric systems to customers all over the world, and has built up a reputation for efficient designs, quality components and comprehensive... Læs mere
The height of safety When you are building the world’s tallest freestanding broadcasting tower in one of the world’s most earthquake-prone countries, using anything but the highest quality materials and the safest construction solutions is just unthinkable. Læs mere
What a lift! When enormous 35-tonne containers are being maneuvered into place at the world’s major ports equipment reliability is paramount. The giant cranes must work under tight constraints and with exacting precision.That’s why Nord-Lock and crane spreader manufacturer Bromma are the perfect match. Læs mere
Tough machines for a tough industry In the mining industry, every minute of downtime results in lost income, and one loose fastener can cost a small fortune. This is why Joy Global doesn’t compromise when it comes to bolt security. Læs mere
In perfect rotation Since 1947, trucks from all large manufacturers such as Volvo, Scania and MAN find their way to Swedish truck body builder Laxo Mekan AB for customised chassis construction work. Læs mere
D2FC saves time and money through Nord-Lock D2FC, a French company that manufactures critical high pressure control valves for hydro-electric power plants, has decided to generalise the use of Nord-Lock washers. Læs mere
Propelled upwards Sensenich has been manufacturing aircraft propellers since 1932, and as the industry has grown and developed, it has continued to develop new propellers to match. Læs mere
The World’s Biggest Crane Bigge 125D AFRD (A-Frame Ring Derrick) is one of the biggest super cranes in the world. A machine of this size needs a strong bolting solution, that's where Superbolt tensioners were used to connect large components. Læs mere
Opening up new fields It seemed like an impossible task. Build an offshore gas platform that was strong enough to withstand the North Sea, yet flexible enough that it could be dismantled and relocated Læs mere
Maintaining a tight grip Bolt loosening can occur due to settlement or relaxation of a bolted joint. Nord-Lock X-series washers prove to be solution for Mosdorfer's space dampers. Læs mere
Competing in the world’s most dangerous race In January 2013, the legendary Dakar Rally started in Peru for the first time and end in Chile, having crossed the Andes into Argentina. Læs mere
Forging ahead How do you hold together a press which exerts 8,000 tons of pressure to shape red-hot pieces of metal which themselves weigh tens of tons? For A. Finkl & Sons, a leading supplier of forging die steels and custom open-die forgings, there was only one answer: Superbolt. Læs mere
Eliminating bolt loosening for good At power plants across the world, gas turbines are becoming increasingly vital to the world’s power supplies. Mitsubishi Heavy Industries currently manufacture ultra-large gas turbines, which are more than six metres tall and over 16 metres long. Læs mere
Taking the shock out of EVS EVTV Motor Verks in Cape Girardeau, Missouri, which sells motors, batteries and other components to enthusiasts around the world, has found a simple solution to this issue. By using Nord-Lock SP washers on the braided straps that link one cell to the next, these connections are secured. Læs mere
Dig this solution Customer: SKF Mekan Shaft diameter range: 430 to 900 mm No. of Superbolts fitted: 4 Product: SED bearing housing Bearing dimension series: 30, 31, 32 and 39 Lubrication: Grease, oil You wouldn’t wa... Læs mere
Taking on the ice Invented in Sweden in the 1930s, ice racing is a motor sport unlike any other. The bikes have front and rear suspension in order to cope with the extreme vibrations caused by up to ten centimetres deep ice furrows that occur on the track after only a few heats. Læs mere
Sikker transport Uanset om du vælger at stå på ski i Frankrig eller endnu længere væk som det nordlige Kina, Korea, USA eller endda Dubai, vil du sandsynligvis ikke gå op ad bakken. Læs mere
Op blandt skyerne One World Trade Center (også kendt som Freedom Tower) vil snart rejse sig mod silhuetten af Manhattan på stedet for det værste terrorangreb nogensinde. Læs mere
Fortryllende og pålidelig Siden 1978 har Donkervoort Automobielen håndbygget specialfremstillede sportsvogne til ægte motorentusiaster. Læs mere
Frosne spor er en ting af fortiden Sne kan skabe kaos i rejser for de hundredtusindvis af pendlere, der rejser til og fra London hver dag. Læs mere
Keeping up the pressure In the past, the bolting of the main flanges of a vessel for the hydrogen industry was a problem. Heavy hydraulic wrenches were needed to tighten the nuts and excessive tightening often damaged the... Læs mere
Cern hadron collider Superbolt was chosen to supply over 1,500 high-strength mechanical tensioners, expansion bolts and bolt-style multi-jackbolt tensioners (MJTs) as part of the U.S. contribution for the CERN Hadron S... Læs mere
Adjustable bolted propeller Large ships are increasingly being equipped with higher propulsive power. This trend is generating a need for larger propellers. Læs mere
Nord-Lock goes rock’n’roll Customer: Anacon Technology Latest Amplifier Model: Tubewonder Maximum Sound Pressure Level: 118 dB Weight: 19 kg Input power: max 160 VA Output Power: 55 W Price range: from approx. USD 4,500 The... Læs mere
Bolting into space Safety and survivability are the absolute priorities for the Orion project and, as in all aerospace applications, size and weight are key factors. So it is no surprise that Orion’s manufacturer, Lo... Læs mere
Safe travelling The City Tunnel is a rail link between Malmö and the Öresund Bridge in Sweden, with a six kilometre railway running under Malmö city centre. The glasswork company Skandinaviska Glassystem, was assigned the task of constructing the roof of the new Triangeln railway station situated in central Malmö. Læs mere
Powering the industry Electric motors are often called the “workhorses of the industry”, running all kinds of machinery ranging from escalators and ski lifts to huge port cranes. Heavy mechanical movements require a reliable drive that ensures the best torque, speed, and motor efficiency. This reliability often starts with the right bolt securing system. Læs mere
GE Wind turbine using Expansion bolt for blind hole The Nord-Lock Expansion bolt for blind hole applications is used on the flange coupling of the gear box on this wind turbine. The solution integrates Superbolt technology and is used to transmit the enormous torque. Læs mere
VEM Sashenwerke, Germany using Expansion bolt for blind hole The frame of the steel mill at VEM Sashenwerke, Germany is using the Nord-Lock Expansion bolt for blind hole applications, which integrates Superbolt technology as replacement for a dowel pin Læs mere
Ship propeller shaft on tanker The Challenge WPNL delivers the complete ship propulsion to NASSCO. For the connection of the flange, the ship wharf specifies Superbolt Expansion Bolts. The Solution Since the ship shafts are made... Læs mere
Crusher drum bits The Challenge When mining coal underground, the severe environment takes a brutal toll on the crusher drum bits. In operation, it is an extremely violent application with high rpm’s and constant po... Læs mere
Press columns on forging press Due to the nature of big presses, large diameter columns must be used to distribute the extremely high working loads generated. However, the torque required to prestress these columns is almost impossible to achieve with conventional bolting methods. Læs mere
Bulleyes! Right on target The Challenge In the world of archery, accuracy is everything. The latest high-tech compound bows use a system of pulleys to produce ferocious amounts of power, but that power is useless if the arr... Læs mere
Drill with Skill When it comes to drills, size and horsepower are not everything. In small confined spaces or sensitive environments, it is more important to have equipment that is flexible and can drill with finesse. Læs mere
Since its completion last year, the Burj Khalifa skyscraper in Dubai has already broken numerous world records. Apart from being the tallest structure ever built. Since its completion last year, the Burj Khalifa skyscraper in Dubai has already broken numerous world records. Apart from being the tallest structure ever built. Læs mere
Good vibrations The huge machines made by Metso Minerals France are a mechanical nightmare. Whereas vibrations are usually eliminated from machines, the very raison d’être of the Metso machines is to vibrate as mu... Læs mere
The low-cost wind energy alternative French manufacturer Nenuphar is currently on track to make a huge breakthrough in floating wind turbine technology with its VertiWind project. Unlike traditional wind turbines, the VertiWind turbine has a vertical axis, which allows for a lower centre of gravity and a significantly smaller flotation system. Læs mere
The power of the sun: transformed by Siemens turbines Assembling an industrial-sized turbine requires acres of room. It also requires thousands of bolts and washers to be assembled and tightened to guarantee a service life of the product, which in the solar energy, biomass, oil and gas sectors, is typically upwards of 30 years. Læs mere
The Mercedes connection Hybrid vehicles use combustion engines and electric motors in parallel. High-voltage supply systems in these new vehicles place considerable demands on the connectors which provide the interface between the battery and the electronics. Læs mere
Plunging to New Depths In its quest to be the world’s leading service provider for the exploration and extraction of natural resources, Fugro has had to overcome all the world’s natural barriers. With its world class ROVs (remotely operated vehicles) even the deepest oceans are within its reach. Læs mere
A Cut Above the Rest Trying to cut through steel requires powerful blades, yet the Rapid Cut 16 can slice through a 16mm thick steel bar like a pair of scissors cuts through paper. Proyecsa SCCL has been manufacturing... Læs mere
Pulling Their Weight Through the daily grind of its gruelling work schedule, many areas of a tractor, such as the front axle, come under incredible strain and bolt loosening can be a constant problem. ITL use Nord-Lock washers in all such critical areas, including the front axle, engine clutch and gearbox. Læs mere
Vertical agitator The bearing play specified by the bearing manufacturer FAG for this tapered roller bearing could not be adjusted correctly. The existing bearing lock nut design and the tight space have prevented this. Læs mere
Built for Speed The world’s fastest conventional trains run in France, and not just to break the April 2007 record of 574.8 km/h (under test conditions with a shortened train). The TGV regularly runs at 320 km/h and at those kinds of speeds it is absolutely vital that nothing falls off the rolling-stock to derail the train. This is where Nord-Lock comes into the picture. Læs mere
Tough trial puts wheel nuts to the test “We’ve been in some pretty tough situations but we haven’t had any wheels come loose since we fitted Nord-Lock wheel nuts.” - proven at the European truck trial Læs mere
Conquering the Seas Mitsui recently began using Nord-Lock components in their marine diesel engines. Because Nord-Lock components are comparatively light and small, they are effective in making assembly and tightening quicker and safer especially in poorly-accessible or confined places. Læs mere
On top of the Globe The futuristic Ericsson Globe has come to dominate the Stockholm skyline with its distinctive golf-ball structure being visible for miles around. Now it offers panoramic views of Stockholm from the... Læs mere
Going with the Flow A heaving metropolis like New York needs a lot of water. It may be the city that never sleeps but it certainly drinks, bathes and cleans. Assisting in the mammoth task of supplying water for over e... Læs mere
On time on the mainline Speed, comfort and luxury are all very well, but any stressed commuter can tell you that the most important attribute for a train is reliability. Læs mere
Engineering with a bite While striving for the highest standards of engineering, Viper decided to implement Nord-Lock washers in eight locations, including turn-signal stalks and brake rotors. Læs mere
Sea change Rotech Subsea turned to Nord-Lock, testing 200 pairs of washers on 1m-diameter bolted flange joints on an excavator bound for offshore work near Sakhalin, Russia. Læs mere
How Corus stopped money melting away Corus is Europe’s second largest steel producer. In normal trading conditions it generates annual revenues of more than 13 billion euro and produces about 20 million tonnes of steel a year. Part of the Tata Steel Group, it supplies many of the most demanding metal customers across the UK and EU. Læs mere
A Giant That Treads Softly A combine harvester fitted with the Soucy Track system reduces the pressure exerted on the ground. Chemical adhesives used for bolt securing in the past often failed, and then they turned to Nord-Lock washers. Læs mere
Sail of the century Royal Huisman’s demands on quality and attention to detail extend throughout the 30–90 meters (98–295 ft) long vessels, from the sumptuous interiors to the very latest navigation technologies. When the shipyard was looking for a bolt-securing solution that could handle the dynamic loads unleashed by the harsh marine environ­ment, it turned to Nord-Lock. Læs mere
You’re gonna dig this A kilometer below the churning waves, more than a thousand pairs of Nord-Lock washers are used throughout the plough application where clamp load must be maintained in the bolted joints. Læs mere
Underground operations Sandvik Mining and Construction was having problems with the bolts clamping the cutting tools to the reaming head; they were sometimes coming loose under the extreme vibrations, loads and torque involved. Replacing the bolts which vibrated loose was a costly, time consuming and often dangerous job. Læs mere
Built for Speed The latest version of Japan Railway’s famous Shinkansen, known around the world as the Bullet Train, reaches speeds of 300 kilometres per hour. Læs mere
A formula for success A key piece of equipment in any pit stop is the pneumatic impact wrench, or wheel gun, which is relied on to loosen the large nut holding on each wheel and then screw on a new wheel – all in the blink of an eye. Læs mere
Tunnel vision Twenty meters beneath the streets of Malmö, Sweden, the new underground section of the city’s central station is gradually taking shape. Læs mere
Piste perfect Whatever slope a skier can ski down, this vehicle can drive up. Regardless of the angle, the pitch, the bumps and the dips, the extreme cold and driving snow, nothing stands in its way. Læs mere
An absolute scream The idea behind a roller coaster is simple: use the laws of physics to thrill passengers by simulating danger with high speeds, big drops and inversions. But despite the hair-raising impression of... Læs mere
Cranes The connection between the slewing ring and the portal requires very high precision during the tightening of the bolted connection. Kirow Ardelt meets these high demands by using Superbolt® tensioners. Læs mere
Eksperterne: Hvad sker der, når bolte begynder at rotere? Hvordan behåller man forspænding når en bolt eksponeres for vibrationer, dynamiske belastninger, sætninger, m.m Læs mere
Eksperterne: Kan jeg bruge Nord-Lock kilelåsningsskiver på malede overflader? Nord-Lock kilelåsningsskiver er en effektiv boltsikringsmetode til brug på coatede overflader i offshore-industrien Læs mere
Hvor meget kraft kræver det at spænde en bolt? Du kan sammenligne vægten på dyr for at visualisere hvor meget kraft der skal til for at opnå eksponentiel momentkraft for store bolte. Læs mere
Eksperterne: Kan jeg bruge Nord-Lock kilelåsningsteknologi til at låse Expander System? Vores eksperter forklarer, hvordan kilelåsningsteknologien kan kombineres med Expander System og øge sikkerheden. Læs mere
What happens to preload and clamp force when external loads are applied? We generally apply torque via a wrench to the bolt or nut to generate the required tightening load. This tightening load is called preload. Preload is defined as the tension created in a fastener w... Læs mere
What affects pivot wear? For a machine manufacturer there are many factors to consider to minimize pivot wear over time. Læs mere
Overvejelser når man genbruger boltesamlinger Forspænding av bolte og boltsamlinger er noget af det viktigeste at overveje hvis det er tale om genbrug af boltesamlinger. Læs mere
3 Tips for at finde den rette boltsikring Løsnelse af bolte er et almindeligt problem, især til kritiske applikationer. Her er nogle tip til at vælge den rigtige boltsikring udefra funktionalitet, sikkerhed og omkostning. Læs mere
Hvad er de termiske virkninger på boltesamlinger? Temperatursvariationers effekt på boltede samlinger Driftstemperaturer over 250°C aktiverer krybning- og afspændingsfænomener i legereringer og konstruktionsstål. På trods af, at bolte installerets... Læs mere
Hvad er Load Transfer Factor? Ved anvendelse af hydrauliske boltstrækkere til at overtage en kontrolleret forspænding i en boltforbindelse må flere nøglefaktorer, herunder belastningsoverførselsfaktor, beagtes. Læs mere
What Is the Relationship Between Torque, Preload and Friction? One of the main methods to preload a bolt is to apply a torque on its head. This is a very common process in the industry, however it is not easy to control accurately. Læs mere
What Is the Difference Between a Straight Pin and Expander System? Pivot pins are located on cylinder rod ends and between moving mechanical parts. But what how does Expander System work differently from a traditional pivot pin? Læs mere
Spørg eksperterne: Hookes lov vs boltesamlinger Spørgsmål: Hvad er Hookes lov og hvorfor er den så afgørende for boltesamlinger? Svar: Hookes lov vedrører nøjagtig tilspænding af boltesamlinger. Når man undersøger en bolts klæmkraft, er den aksi... Læs mere
Vigtigeste tipsen fra bolte eksperten Japans førende ekspert inden for boltning og forfatter til 'Bolted joint engineering' - Doctor Tomotsugu Sakai - deler sine indsigter om sikkring af bolte Læs mere
Spørg eksperterne: forbedring af udmattelsesstyrke En boltesamling har en meget lille udmattelseskapacitet sammenlignet med dens statiske kapacitet. For at øge udmattelsesstyrken kan konstruktørerne øge gevindkapaciteten og sænke vekselspændingerne... Læs mere
How to Optimize a Bolted Joint Through Clamped Length? Clamped length is the free length of a bolt that is stretched under tension. Find out what is the optimal bolt length that you should consider. Læs mere
When and Why Do You Need Lubrication During Tensioning? Proper use of lubrication is crucial to safeguarding repeatable and precise preload control in bolt tensioning. What should you pay attention to during lubrication? Læs mere
Sådan aflæser du mærkning på bolte og møtrikker Spørgsmål: Hvad betyder mærkning og symboler på bolte og møtrikker?     Svar:  Boltehoveder og møtrikker er ofte markeret med tal, bogstaver, bindestreger, skråstreger, prikker eller andre mærkning... Læs mere
Kan jeg bruge Nord-Lock rustfri stålskiver med stålbolte? Når du sammenstiller en boltsamling, er der flere aspekter, der skal overvejes. Find ud af, hvilke materialer der skal bruges til de forskellige dele. Læs mere
Preventing galling and seizing in bolting Galling is caused by a combination of friction and adhesion between metallic surfaces during sliding. In extreme cases galling leads to seizing. Læs mere
The Experts: The benefit of SC-washers What is a SC-washer and when should I use it? Læs mere
What Effect Will Nord-Lock Washers Have on My Surfaces? Will Nord-Lock wedge-locking system damage the surface in my application? Læs mere
Why does torque vary when tightening and untightening? Why is the untightening torque lower than the tightening torque when tightening a bolt or nut? Læs mere
The Experts: Why do Superbolt multi-jackbolt tensioners prevent loss of preload? Superbolts have been used in numerous demanding bolting applications with extreme working loads and high vibrations. What mechanical principle of Superbolts prevent loss of preload? Læs mere
What Are the Key Advantages of Hydraulic Tensioners?  What are the key advantages of hydraulic tensioners? Læs mere
Can I Use an Additional Locking System with Nord-Lock Washer? Other specialised locking systems, including prevailing nuts and adhesives, are not advisable and would not add any benefits to the joints. Læs mere
Should I change my tightening torque with Nord-Lock? Does the use of Nord-Lock washers affect my tightening routines? How? Læs mere
The Notch Effect What is the notch effect and how does it affect bolts? Læs mere
Sådan bestemmer du korrekt tilspændingsmoment Jeg kender ikke mit værktøjs tilspændingsnøjagtighed. Hvordan skal jeg beregne momentet der skal bruges? Læs mere
The Experts: Getting the most out of fasteners Before you re-use bolts, you should always consider the security level of the assembly and economic factors. Læs mere
The Experts: Picking up the slack Why is slackening becoming an increasing problem? Læs mere
The Benefits of Bolt Shanks What is a bolt shank and what are the benefits and advantages of this solution? Læs mere
The Experts: Superbolt – your flexible friend How does the added flexibility of Superbolt improve the bolted joint? Læs mere
Tightening Superbolt Why should I tighten a Superbolt initially in a crosswise pattern? Læs mere
The Experts: Thread engagement in a tapped hole What is the recommended thread engagement to make a strong connection for a component with a tapped hole? Læs mere
The Importance of Temperature in Bolting What is the most common temperature range for bolts, and what are the consequences of exceeding it? Læs mere
Extending the Service Life of Studs and Bolts How do you extend the life of studs? Læs mere
Effects of Lubrication When Reusing Fasteners By lubricating the fastener before every use, not only can friction be reduced to improve torque-to-load ratio, friction scatter can also be reduced to improve preload accuracy. Læs mere
Top 10 Tips for Secure Bolting Achieving the safest, most secure bolted connection involves many factors. To help you achieve the best possible results we have summarized our top tips. Læs mere
The Experts: The story behind the phenomenon The ‘Virgin Bolt Phenomenon’ is not commonly known but is an important variable to take into account when evaluating stretch measurements properly’ Læs mere
Spørg eksperterne: Dele byrden Hvorfor sender Nord-Lock en hærdet skive med hvert Superbolt tensioner? Læs mere
Continued Innovation: Tamper-resistant tensioner ready for the market The tamper-resistant tensioner is much like an armoured version of the multi-jackbolt tensioner, except it requires a specially designed socket for tightening and removal. Læs mere
The Formula for Calculating Jackbolt Torque How do I calculate the jackbolt torque (based on a formula)? Læs mere
The Experts: SEMS overview  What are SEMS? Læs mere
What Is Material Fatigue? Material fatigue occurs when a component is subjected to cyclic loading. What is the fatigue phenomena in bolted connections? Læs mere
Hvordan tager jeg torsion i betragtning ved montering? Hvordan tager jeg torsion i betragtning, når jeg strammer et boltet led? Hvorfor skal både spænding og torsion overvejes for at udnytte maksimal aksialbelastning i bolten? Læs mere
Which Washer Material Should I Choose? Nord-Lock washers come in five different materials. How do I know which one to use in my application? Læs mere
How Much Thread Engagement Is Needed in a Tapped Hole? Is it possible to determine the minimum thread engagement in a tapped hole to avoid thread stripping? Læs mere
The Experts: Can Nord-Lock be used on inclined contact surfaces? What is the maximal angle of surface inclination where the Nord-Lock wedge-locking system can still work successfully? Læs mere
The Experts: Do Nord-Lock washers work with oversized holes? How can I apply Nord-Lock to slotted/oversized holes? Læs mere
The Experts: Do Nord-Lock washers work with fiber composites? Can Nord-Lock washers be used on fiber composite materials? Læs mere
The Experts: Can I yield my bolt by over-tightening? Do I risk yielding my bolt, due to over-tightening, when using Nord-Lock wedge-locking solutions? Læs mere
Can I Use Other Washers with Nord-Lock Washer? Can I put another washer under a Nord-Lock washer? Læs mere
Should I choose fine or coarse threaded bolts? Threaded fasteners are commonly used in bolted joints, but what is the difference between fine and coarse threaded bolts? Læs mere
Why Use Wedge-Locking Instead of Friction-Based Locking? What is the difference between friction-based locking and wedge locking and when is lubrication needed? Læs mere
The Experts: Why do bolts rotate loose? Why do bolts and nuts rotate loose when a bolted joint is subjected to vibration and/or dynamic loads? Læs mere
Superbolts innovationskultur og fuldt fokus på smart boltning Fra vognen til kilelåsningsskiver, siden møttriken og boltens opfindelse har løsnende bolte været et iboende problem. Læs mere
Bag enhver stor gevinst ligger tusindvis af skjulte indsatser En anerkendelse af de teknologier som holder vores verlden sammen og menneskerne bagom dem Læs mere
Christoph Seeßelberg: Hvad er det, der er så fascinerende ved kranspor? Boltesamlinger er et afgørende aspekt af kranvedligeholdelse, der holder produktionslinjerne funktionsdygtige Læs mere
Luisa Morajelo: Hvad er nuklear ikke-destruktiv prøvning? Expert Luisa explains how Non-Destructive Testing analyses the state of materials, components or systems without causing damage. Læs mere
Mød prisvindende jernbaneingeniør, Elena Moral I næsten 20 år har Elena Moral arbejdet som ingeniør hos Talgo, en spansk producent af højhastighedstog. I 2019 blev hun tildelt WICE-prisen Women in Construction and Engineering for europæiske jer... Læs mere
Focusing on Dropped Objects Preventions Allen Smith travels the world to deliver comprehensive familiarization and coaching on behalf of DROPS Læs mere
“Instrumented bolts would be really interesting for the industry” “Instrumented bolts would be very interesting for the industry” Læs mere
“There’s no stock, no waste, and it can be done locally” Since its launch in 2013, Dutch 3D printing start-up 3D Hubs has produced over a million parts, making it the world leader in distributed manufacturing. Chief Marketing Officer Filemon Schöffer exp... Læs mere
Hydropower: Relying on Superbolt for 30 years When it comes to long-term Superbolt users, American Mike Bruno is hard to beat. More than 30 years ago, he was involved in one of the earliest installations of Superbolt tensioners in a hydropower... Læs mere
Offering a greater field of solutions For Fred Heaton, what started out as a hobby in 1999 quickly grew into a thriving business specialising in hydraulic bolt tensioners. Now Boltight has been acquired by the Nord-Lock Group, in a mov... Læs mere
Fastener peace of mind Understand the risk of hydrogen embrittlement and ensure good sourcing of fasteners by questioning quality-related issues and manufacturer's capabilities. Læs mere
A unique technology is emerging Nord-Lock Group interviews Laurence Claus, an expert in fastener and automotive supplier industries, with more than 25 years of experience. Læs mere
An insider’s outlook If you want to know what is going on in the world of fasteners, ask Salim Brahimi, the authority on fastener hydrogen embrittlement and an active member of several standards committees, for example... Læs mere
In the fast lane to greener motoring If the job you want to do doesn’t exist, then invent it. That’s what Gordon Foat did to combine his two passions: motor cars and safeguarding the environment. Læs mere
Chalmers takes the chequered flag Young engineers from Gothenburg’s Chalmers University of Technology – proudly partnered by Nord-Lock – have won the world’s largest student engineering competition. After ten months of designing, b... Læs mere
Building communities through bolts Students from the German city of Karlsruhe founded “Engineers Without Borders – Karlsruhe Institute of Technology e. V.” in 2004 to supply first aid to Sri Lanka in the wake of the tsunami. The clu... Læs mere
They didn’t think we could succeed An interview with Kurt Persson, Senior Advisor of Nord-Lock. With 50 years of experience, see how he describes the evolution of a humble family business to an international industrial company. Læs mere
Safety and quality are key Velan’s valves play a critical role in the world’s nuclear power stations. Jean-Luc Mazel, Industrial Director of Velan SAS, the French affiliate of Velan Inc, discusses safety, the aftermath of th... Læs mere
Knowledge Prevents Bolt Failure When Bill Eccles was a design engineer, he noted that people generally agreed on many different things. “However, as far as nuts and bolts were concerned, everyone had different information.” Læs mere
Improving offshore safety through certification With nearly a quarter of a century of experience testing bolted connections at Det Norske Veritas (DNV), Andrzej Serednicki has carried out dozens of highly demanding tests to ensure the highest sa... Læs mere
Railway safety lies in maintenance Railway system is a complex mode of transport with high demands on safety to eliminate the risk of accidents, hence the importance of bolt securing solutions. Læs mere
Safe operations in extreme conditions A few years ago, Stefan Ladenburger took over as Managing Partner of Holzwerke Ladenburger, representing the third generation of this family business. Læs mere
Physical Testing Guarantees Joint Safety Why is bolted joint testing so crucial? Hear it from Dave Archer, President of Archetype Joint, about their focus on design validation tests and approach towards the life-cycle cost of bolting solutions. Læs mere
Providing an antidote to disaster Philippe Nouaille is responsible for overseeing how nuclear plants could be better secured against earthquakes – the natural disaster which gives nuclear engineers their biggest headaches. Læs mere
Making life safer offshore Dropped objects are the single most common cause of serious accidents on offshore installations. But Norwegian engineer ­Johan Kolstø wanted to change that. He is the man responsible for the Statoi... Læs mere
Prestigious Red Dot Design Award to Nord-Lock Group Nord-Lock Group receives one of the world’s most prestigious design awards, Red Dot Award, for the Superbolt Tool, which wins ”Best Product Design 2020” in the Innovation category. Læs mere
Nord-Lock Expands and Future-Proofs Its Production With the expansion, Nord-Lock will create new and more efficient production lines, introduce new machines with more automation, as well as offering better premises for optimized workflows. Læs mere
The Next Level of Smart: Superbolt Load-Sensing Tensioner New ways to offer unprecedented security and bolting convenience. The first of these Industry 4.0 innovations has arrived: the Superbolt Load-Sensing Tensioner with built-in preload monitoring system. Læs mere
Boltight TSR+ Tensioner The new Boltight TSR+ auto return tensioner is designed for simple and reliable operation. It is particularly suitable for the oil and gas industry, bringing benefits such as durability and higher safety. Læs mere
Nord-Lock Group and Mitt Liv enter a long-term partnership for a diverse labor market Nord-Lock Group, a global leader in secure bolting solutions, has started a collaboration with Mitt Liv in Malmö to contribute to a more inclusive labor market. The partnership is a strategic step... Læs mere
Nord-Lock introduces an extended wheel nut range Nord-Lock wheel nut is available from sizes M16-M24, offering increased safety for a wide range of on-and off-road vehicles. Læs mere
Nord-Lock steel washers promise highest salt spray resistance on the market Nord-Lock wedge-locking washers guarantee high corrosion resistance after intensive testing of 1000 hours neutral salt spray test according to ISO 9227 Læs mere
Boltight embraces augmented reality tooling Have you ever wished you could try out a tool without the hassle of carrying it around on site? Now you can experience working with a tensioner and augmented reality directly from your mobile device. Læs mere
Nord-Lock Group Wins Prestigious Export Award The Export Hermes award is given by the Swedish Fund for Export Development to companies that have achieved exceptional export success, thereby contributing to Sweden’s prosperity. Læs mere
Introducing Superbolt MJTT We are showcasing our wide range of solutions including a new tool from Superbolt at Offshore Energy ‘18..  Læs mere
The Fastener Dimension Guide is here Rather than trying to find measurements from a table in standard sheets, engineers can simply enter the size and length of a bolt into the application and find all the dimensions that conform to IS... Læs mere
Introduktion til momentberegneren Torquelator fra Nord-Lock Den er nøjagtig, men frem for alt nem at bruge, uanset hvor du er. Læs mere
Sporbarhed ned til batch og aksel materiale Fra og med juli 2017 introducerer Expander System dot pin mærkning på samtlige pindbolte hvilket inkluderer Expander system navnet, batch nummer og part nummer. Denne nye feature giver merværdi for... Læs mere
Extended temperature range for usage of Nord-Lock steel washers We are glad to inform that our steel washers have now been approved for temperatures down to -50°C. Nord-Lock washers have for long time been used in cold climate applications and now we have obtai... Læs mere
Nord-Lock Group – De første til at introducere Lifetime Garanti The Nord-Lock Group is proud to be the first bolting solutions partner to offer a full lifecycle warranty across all of its technologies. That means the entire lifetime of the bolted connection for... Læs mere
Simplify assembly with Nord-Lock combi bolt washers With our combi bolt washers you can improve assembly efficiency, accuracy and safety while at the same time keeping inventory and part count at a minimum. Læs mere
Life in the engineering fast lane Attracting young talent to the manufacturing industry is getting increasingly challenging. So what can companies and academia do to attract young talent? Læs mere
Nord-Lock Group acquires Expander Group Nord-Lock Group has acquired the Expander System, which specializes in the design and manufacturing of expandable pivot pin system. Læs mere
A new range of washers for the steel construction industry Nord-Lock Steel Construction (SC) washers specially designed for use in structural steel parts and to fit HV sets and HR sets. Læs mere
Nord-Lock supports Mexican students in global competition Nord-Lock Group sponsored team of engineering students has won first place in the Mexican national final of the Human Powered Vehicle Challenge. Læs mere
Nord-Lock Group acquires main distributor in Korea Nord-Lock Group has signed an agreement to acquire all shares in its main distributor in South Korea, Nord-Lock Korea Co., Ltd. Læs mere
Nord-Lock Group acquires Boltight Limited Nord-Lock Group acquires Boltight Limited, a leading hydraulic bolt tensioning company with a global reputation for innovation and excellent quality. Læs mere
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