How to use the torque wrench depends on its principle

With the advancement of technology and the rapid development of the industry,the use of torque wrenches is becoming more and more common,and the use of torque wrenches is also more precise.For example,the traditional torque wrench has evolved into a set ratchet torque wrench,a digital display torque wrench,Preset torque wrenches,etc.,although the categories will be different,but their principles are roughly the same,the following is divided into three steps to explain:

1.First set the required torque value on the torque wrench (the spring is placed on the top rod to apply pressure to the torque release joint),lock the torque wrench and start to tighten the bolt,when the bolt reaches the torque value (when using torque After the pressure is greater than the spring),there will be an instantaneous disconnection effect.At the moment when the disconnection effect occurs,a "cata" sound made by the joint hitting the metal shell of the wrench is emitted.This confirms the reminder effect of the torque value.(It's like the principle that our arm joints are bent at 15 degrees and placed in an iron pipe,and they will hit the steel pipe after straightening up.)

2.The "cat" issued by the torque wrench is generated by the internal torque release structure,which is composed of a pressure spring,a torque release joint,and a torque jack.

3.Torque wrench After the sound of "Kata",it is a reminder to achieve the torque value you require.