一.扭剪型电动扭矩扳手是一种终紧扭剪型高强度螺栓的工具，一般有电动扭剪扳手和手动扭剪扳手，其中电动扭剪扳手比较常见。
1、 The electric torque wrench of the torsion shear type is a tool for final tightening high-strength bolts of the torsion shear type. There are generally electric and manual torsion shear wrenches, among which electric torsion shear wrenches are more common.
二.扭剪型电动扭矩扳手的应用：
2、 Application of torsion shear electric torque wrench:
扭剪型高强螺栓的初紧可使用冲击电动扳手或定扭矩扳手,而终紧必须使用扭剪扳手，所以扭剪扳手是专门终紧扭剪型高强螺栓的。
The initial tightening of shear type high-strength bolts can be done using an impact electric wrench or a fixed torque wrench, while the final tightening must be done using a shear wrench. Therefore, shear wrenches are specifically designed for final tightening of shear type high-strength bolts.
三.扭剪型电动扭矩扳手的使用：
3、 The use of a torsion shear electric torque wrench:
扭剪扳手主要是终紧扭剪型高强螺栓的，它的目的就是把扭剪型高强螺栓的梅花头打断即可。工作时将扳手头对准螺栓头，扣动开关即可开始工作，几秒后，螺栓梅花头将被扭断，然后抽出扳手扣动扳机将梅花头弹出，即结束工作。
The torsion wrench is mainly used for final tightening of torsion shear high-strength bolts, and its purpose is to break the plum blossom head of the torsion shear high-strength bolt. When working, align the wrench head with the bolt head, press the switch to start working. After a few seconds, the bolt ring head will be twisted and broken. Then, pull out the wrench and pull the trigger to eject the ring head, which ends the work.
四.扭剪型电动扭矩扳手的特点：
4、 The characteristics of torsion shear electric torque wrench:
操作方便、省时省力、方便。
Easy to operate, time-saving and labor-saving, safe and convenient.
五.“定扭矩扳手"
V Fixed torque wrench“
定扭矩扳手一般就是可以设定扭矩值的电动扳手，也叫定扭矩电动扳手。电动扭矩扳手一般用来紧固大六角高强螺栓，使用时，先把扭矩调到需要规定的扭矩，然后紧固螺栓。
A fixed torque wrench is generally an electric wrench that can set a torque value, also known as a fixed torque electric wrench. Electric torque wrenches are generally used to tighten large hexagonal high-strength bolts. When using them, first adjust the torque to the required torque, and then tighten the bolts.
电动定扭扳手分为电流式和动态扭矩传感器式两种，由控制器和拧紧轴组成。电流式定扭扳手根据电机拧紧过程中电流值的变化来判断扭力值，当达到预定扭力时，电机停止工作。动态扭矩传感器式是在拧紧轴上安装有传感器，时刻监测扭力值的变化，当达到预定扭力时，电机停止工作。
Electric torque wrenches are divided into two types: current type and dynamic torque sensor type, consisting of a controller and a tightening shaft. The current type fixed torque wrench determines the torque value based on the change in current value during the tightening process of the motor. When the predetermined torque is reached, the motor stops working. The dynamic torque sensor type is equipped with a sensor on the tightening shaft to constantly monitor the changes in torque value. When the predetermined torque is reached, the motor stops working.
电动扭矩扳手具有精度高（±2%）、故障率低、寿命长、可编程，可对扭力和角度控制、可多种扭力选择的优点。因为拧大扭矩螺栓会有反作用力，所以一般在大扭矩拧紧工件上都会设计反作用力臂，防 止操作人员出现事故。
Electric torque wrenches have the advantages of high accuracy (± 2%), low failure rate, long service life, programmability, torque and angle control, and multiple torque options. Due to the reaction force generated by tightening high torque bolts, reaction arms are generally designed on high torque tightened workpieces to prevent safety accidents for operators.
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