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Hydraulic bolt
Key words:
Hydraulic coupling, hydraulic bolt, hydraulic nut, thruster
Classification:
Product Description
Operating Principle
The hydraulic bolt consists of stud bolt with outer conical surface, bolt sleeve with inner conical surface, and two screw caps. After the hydraulic bolt along with bolt sleeve is threaded through bolt hole, use hydraulic jack and bolt pulling device to install bolt sleeve and apply bolt pre-tightening force. Then, tighten screw caps. For loosening, also use hydraulic bolt pulling device to pull the bolt, and fill high pressure oil in bolt conical surface oil groove.
Product Features
Bolt sleeve OD is processed smaller than bolt ID, to ensure threading of bolt along with bolt sleeve through bolt hole. After axial force is applied, the bolt sleeve will expand in radial direction, ensuring close fit. After removal of axial force, bolt sleeve OD will be restored to original processed dimension.
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Address:
199 Xixie Road, Hongshan Street, Xinwu District, Wuxi City
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