电动扭剪扳手主要用于安装紧固件，例如螺栓，螺钉和螺母。通过扭矩控制，确保了螺纨的拧紧，并且不会因扭矩过大而损坏螺纹。因此，有必要使用电动扭剪扳手进行扭矩值固定操作，在施加过程中需要预先设置固定扭矩值。

Electric torque wrench is mainly used for installing fasteners, such as bolts, screws, and nuts. By torque control, the tightening of the screw is ensured, and the thread will not be damaged due to excessive torque. Therefore, it is necessary to use an electric torque wrench to fix the torque value, and the fixed torque value needs to be pre-set during the application process.

当达到设定值时，电动扭剪扳手将发出提醒信息，可以感觉到手部振动或听到“喀哒”声，即扭矩已完成。当扭矩值达到固定位置时，无需继续施加力。请勿使用冲击力，停止施加力后，各个零件复位。施加扭矩时，将手握在电动扭剪扳手手柄的中间刻度线上，并仅在电动扭剪扳手指示的方向上施加力，同时施力方向应在±15°以内（垂直方向和水平方向）。

When the set value is reached, the electric torque wrench will emit a reminder message, indicating that the torque has been completed by feeling hand vibration or hearing a "click" sound. When the torque value reaches a fixed position, there is no need to continue applying force. Do not use impact force. After stopping the application of force, all parts should be reset. When applying torque, hold your hand on the middle scale line of the electric torque wrench handle and apply force only in the direction indicated by the electric torque wrench. The direction of application should be within ± 15 ° (vertical and horizontal).

由于扭剪电动扭力扳手是高频应用工具，为了提高测量精度，有必要定期校准和检查工具，并配置满足使用要求的电动扭剪扳手设备。目前，电动扭剪扳手主要由检定仪对电动扭剪扳手进行校准，检定仪需要定期检查。由于校惟环境是试验室环境，因此与现场操作环境有很大的不同。为了确保校准管理的有效性，有必要参考实际使用现场进行管理，并且要求误差不受使用场合的影响。使用前要注意检查电动扭剪扳手的准确性，并根据使用频率调整校准和维护的频率。通常每年不少于一次，利用维护管理手段保证电动扭剪扳手的准确性。

Due to the fact that electric torque wrenches are high-frequency application tools, it is necessary to regularly calibrate and inspect the tools in order to improve measurement accuracy, and equip them with electric torque wrench equipment that meets usage requirements. At present, electric shear wrenches are mainly calibrated by calibration instruments, which require regular inspection. Due to the fact that the campus environment is a laboratory environment, it is significantly different from the on-site operating environment. In order to ensure the effectiveness of calibration management, it is necessary to refer to the actual usage site for management and ensure that errors are not affected by the usage situation. Before use, pay attention to checking the accuracy of the electric torque wrench and adjust the calibration and maintenance frequency according to the frequency of use. Usually, at least once a year, maintenance and management measures are used to ensure the accuracy of the electric torsion wrench.

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