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Hydraulic bolt
Key words:
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.
Key words:
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.
Key words:
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.
Key words:
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