Advanced bolting technologies for reliability across diverse naval platforms

Power Conversion Connections

Challenge: Loose bolted connections in power conversion units can create a risk of fire, especially under vibration and thermal cycling.

 

Solution: Nord-Lock® wedge-locking washers secure electrical connections in power conversion cabinets, preventing loose bolts caused by vibration and thermal cycling, eliminating the risk of fires due to arcing, ensuring safe and reliable operation.

Aircraft Elevator Jam Nuts (CV-67)

Challenge: Aircraft elevators are subject to cyclic loading and vibration during launch and recovery operations. Loose fasteners can compromise safety and operational readiness.

 

Solution: Superbolt® tensioners provide secure, vibration-resistant fastening that maintains preload under repeated cycling. Their modular design allows for easy inspection and maintenance, supporting safe and reliable aircraft handling.

Steam Chest Bolting on SSTGs (CV-67)

Challenge: Steam turbine generator systems operate under high temperature and pressure, requiring bolted joints that maintain seal integrity and allow for periodic maintenance.

 

Solution: Boltight® hydraulic tensioners deliver uniform preload across steam chest flanges, improving gasket sealing and reducing thermal fatigue. Their fast, tool-free operation supports safer and more efficient maintenance cycles.

Line Shaft Bearing Foundations (USS Bradley, USS Underwood)

Challenge: Propulsion shafts must remain precisely aligned to prevent vibration, wear, and energy loss. Bearing foundations are critical to maintaining this alignment.

 

Solution: Superbolt tensioners provide consistent clamping force across bearing mounts, preserving alignment and reducing shaft wear. Their ease of use supports quick re-tensioning during scheduled maintenance.

Coupling Bolts – USCG Storis

Challenge: Shaft couplings in legacy vessels require durable, easy-to-maintain bolting solutions that can withstand long service intervals.

 

Solution: Superbolt coupling bolts offer high-strength, reusable fastening that maintains preload over time. Their design simplifies installation and inspection, reducing labor requirements on aging platforms.

Generator Couplings – USCG 378’ Class

Challenge: Diesel generator systems require secure torque transmission and vibration isolation to ensure consistent power generation.

 

Solution: Superbolt tensioners provide precise preload across generator couplings, improving torque transfer and reducing vibration. Their compact design supports installation in tight machinery spaces.

9” Nut – MSC Pac and Lant

Challenge: Specialized rudder installation procedures require controlled force application to seat components securely.

 

Solution: Superbolt custom-designed 9” nuts have been used to apply axial force for rudder installation, demonstrating the versatility of multi-jackbolt technology in non-standard applications.

Generator Bolting – DD(X), CVNX

Challenge: Advanced generator systems in next-generation platforms require high preload and vibration resistance to maintain performance and reliability.

 

Solution: Boltight hydraulic tensioners provide fast, accurate preload across generator foundation bolts, improving structural stability and reducing vibration transmission.

Motor Pole Bolts – Polar Seas

Challenge: Polar-class propulsion motors must maintain electrical and mechanical integrity under extreme environmental conditions.

 

Solution: Superbolt tensioners secure motor pole bolts with uniform preload, ensuring stable electrical contact and mechanical alignment. Their corrosion-resistant materials support long-term performance in harsh climates.

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