Monthly Archives: May 2020

About Hydraulic Bolt Stretcher

About hydraulic bolt stretcher, also called hydraulic nut, is an advanced bolt assembly method, especially suitable for fastening of narrow space and heavy-duty vibration machinery. Its main components include sliding piston, oil cylinder, support ring, sealing ring, air release screw and quick joint, etc. The working principle of the hydraulic bolt stretcher is that the [...]

By |May 27th, 2020|Bolt Stretcher, Hydraulic Bolt Tensioner, News|Comments Off on About Hydraulic Bolt Stretcher

Failure Prevention of Manual Hydraulic Pump

Failure Prevention of Manual Hydraulic Pump The use of the manual hydraulic pump for a long time will lead to the failure and aging of obstacles. This article introduces how to deal with these failures in daily use. If the use time is too long, it is necessary to check the internal leakage of the [...]

By |May 15th, 2020|Hydraulic Wrench Pump Station, Manual Hydraulic Pump, Manual Pumps, News|Comments Off on Failure Prevention of Manual Hydraulic Pump

Use of Hydraulic Wrench Pump Station

Use of hydraulic wrench pump station The stability of the transmission pressure of the hydraulic wrench pump station will directly determine the accuracy of the transmission torque of the hydraulic torque wrench, and also affect the service life of the hydraulic torque wrench, as well as the service life of the nut disassembly. After the [...]

By |May 11th, 2020|Electric Driven Hydraulic Torque Wrench Pump, Hydraulic Torque Wrench Pumps, Hydraulic Wrench Pump Station, News|Comments Off on Use of Hydraulic Wrench Pump Station

How to Choose Bolt Stretcher

To choose bolt stretcher depends on the stretching mode first, the required pretightening force Kn, and then the torque mode, and the required tightening torque Nm. Bolt stretching is to use hydraulic cylinder to exert external force on the bolt end, stretch the bolt to the required length, and then tighten the nut, so that [...]

By |May 5th, 2020|Bolt Stretcher, Hydraulic Bolt Tensioner, News|Comments Off on How to Choose Bolt Stretcher