CONTACT US

Jiangsu Haishun

Tel: +86 13705111321  (Mr. Meng)

E-mail: jshs008@126.com

Address: Tainan Industrial Park, Dongtai City, Yancheng City, Jiangsu Province

Product Description

The following is an introduction to marine hinge bolts:

Function and Characteristics

Positioning and Connection: The threaded front end connects various ship components such as decks, hull structures, and machinery. The unthreaded rear end mates with corresponding holes to achieve precise positioning, ensuring accurate component installation.

Load-Bearing Capacity: Capable of withstanding both lateral and axial loads. Lateral load resistance primarily relies on the bolt's inherent shear strength, offering significantly higher lateral load capacity than standard bolts. Axial load capacity is equivalent to that of standard bolts.

Fitting Precision: The diameter of the threaded portion matches the basic dimensions of its mating hole, creating an interference fit. When relative sliding occurs between connected components, the bolt's inherent shear resistance prevents movement, requiring only minimal preload.

Application Scenarios

Marine Power Systems: Used to connect engines, gearboxes, drive shafts, and other components, ensuring stable and precise power transmission.

Ship Deck Equipment: Secures installations such as cranes, winches, and anchor windlasses, withstanding various operational loads to guarantee equipment functionality.

Hull Structure Connections: Used in sectional hull construction and deck-to-cabin connections, ensuring structural integrity and strength.

Materials and Properties

Materials: Typically manufactured from high-strength steel or stainless steel. High-strength steel marine hinge bolts offer superior strength for heavy loads, while stainless steel variants provide excellent corrosion resistance for marine environments.

Performance Requirements: Must possess high strength and hardness to withstand diverse operational loads. Additionally, they require good toughness and fatigue resistance to prevent failure modes like fracture during prolonged service.

Installation and Maintenance

Installation: Ensure precise fit between bolts and holes during installation to avoid gaps or excessive interference. Tighten bolts to specified torque values to guarantee appropriate preload.

Maintenance: Periodically inspect bolt tightness and retighten any loose fasteners. Check bolt surfaces for corrosion or wear; replace damaged bolts promptly.

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