There may be some users who do not know how to maintain the torque wrench . As a result, the accuracy of the torque wrench is inaccurate and damaged. Today, Xiao Bian has sorted out the maintenance methods of the torque wrench. Users in need can understand it.
Manual torque wrench is divided into mechanical sound alarm type, digital display type, pointer type (dial type), sliding type (self-sliding type). Mechanical sound alarm type, using the lever principle, when the torque reaches the set torque will appear "The sound of a mechanical collision," then the wrench will become a dead angle, and the equivalent wrench, if you use force, there will be excessive force.
The digital display is analogous to the pointer (dial type), which is to visualize the applied torque. The digital display and pointer at this stage work on the basis of the mechanical sound alarm type torque wrench.
The sliding type (self-slipping type) adopts overload protection and automatic force release mode. When the torque reaches the set torque, it will automatically release the force (at the same time, the sound of mechanical collision will also occur). After that, the wrench automatically resets, and if it is used again, it will Once again, there will be no overpowering phenomenon. This is a new sensational product that has only appeared in the last 1 or 2 years.
The mechanical sound alarm system is the main product of the current market, mainly reflected in the cheaper prices, the other three relatively speaking, the price is expensive. However, due to higher and higher requirements of all walks of life in this regard, and the requirements of efficiency, digital display, The need for pointers (dial type) and sliding (self-slipping type) will increase.
Manual torque wrench maintenance:
(1) After using the torque wrench, the torque value must be adjusted to the minimum value.
(2) Please use "preload" before using the torque wrench.
(3) Do not overload the torque wrench.
(4) Do not use any extension rods other than the original.
(5) Do not use torque wrenches as other tools.
(6) Please keep the torque wrench clean and complete.
(7) Check the torque wrench regularly.
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