電動(dòng)扭剪扳手主要用于安裝緊固件，例如螺栓，螺釘和螺母。通過(guò)扭矩控制，確保了螺紈的擰緊，并且不會(huì)因扭矩過(guò)大而損壞螺紋。因此，有必要使用電動(dòng)扭剪扳手進(jìn)行扭矩值固定操作，在施加過(guò)程中需要預(yù)先設(shè)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.

當(dāng)達(dá)到設(shè)定值時(shí)，電動(dòng)扭剪扳手將發(fā)出提醒信息，可以感覺到手部振動(dòng)或聽到“喀噠”聲，即扭矩已完成。當(dāng)扭矩值達(dá)到固定位置時(shí)，無(wú)需繼續(xù)施加力。請(qǐng)勿使用沖擊力，停止施加力后，各個(gè)零件復(fù)位。施加扭矩時(shí)，將手握在電動(dòng)扭剪扳手手柄的中間刻度線上，并僅在電動(dòng)扭剪扳手指示的方向上施加力，同時(shí)施力方向應(yīng)在±15°以內(nèi)（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).

由于扭剪電動(dòng)扭力扳手是高頻應(yīng)用工具，為了提高測(cè)量精度，有必要定期校準(zhǔn)和檢查工具，并配置滿足使用要求的電動(dòng)扭剪扳手設(shè)備。目前，電動(dòng)扭剪扳手主要由檢定儀對(duì)電動(dòng)扭剪扳手進(jìn)行校準(zhǔn)，檢定儀需要定期檢查。由于校惟環(huán)境是試驗(yàn)室環(huán)境，因此與現(xiàn)場(chǎng)操作環(huán)境有很大的不同。為了確保校準(zhǔn)管理的有效性，有必要參考實(shí)際使用現(xiàn)場(chǎng)進(jìn)行管理，并且要求誤差不受使用場(chǎng)合的影響。使用前要注意檢查電動(dòng)扭剪扳手的準(zhǔn)確性，并根據(jù)使用頻率調(diào)整校準(zhǔn)和維護(hù)的頻率。通常每年不少于一次，利用維護(hù)管理手段保證電動(dòng)扭剪扳手的準(zhǔn)確性。

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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