電動扭矩扳手電機(jī)由行星齒輪機(jī)構(gòu)減速后，動力傳遞到?jīng)_擊頭，沖擊頭和兩個凸出的頭通過扳手帶動轉(zhuǎn)軸轉(zhuǎn)動，完成動力輸出。扭矩扳手使用一段時間后，其輸出功率下降。隨著扳手使用時間的增加，輸出功率會不斷下降，直無法工作為止。我們應(yīng)該如何處理這種情況?
After the electric torque wrench motor is decelerated by planetary gear mechanism, the power is transmitted to the impact head. The impact head and two protruding heads drive the rotating shaft through the wrench to complete the power output. When the torque wrench is used for a period of time, its output power decreases. With the increase of wrench usage time, the output power will continue to decline until it can not work. How should we deal with this situation?
通過對電動扭矩扳手的解體觀察，人士發(fā)現(xiàn)，所使用的扭矩扳手，其扳手軸的工作面磨損嚴(yán)重。磨損工作面是與原工作面成45度角的斜面。沖力分散后，扳手內(nèi)件的受力也發(fā)生了變化。通過反復(fù)的觀察和檢查，電扳手失效的主要原因是軸的工作表面磨損嚴(yán)重。
Through the observation of the disintegration of the electric torque wrench, professionals found that the working surface of the wrench shaft was worn seriously when the torque wrench was used. The worn working face is an inclined plane with an angle of 45 degrees from the original working face. When the impulse is dispersed, the force acting on the wrench internals also changes. Through repeated observation and inspection, the main reason for the failure of electric wrench is the serious wear of the working surface of the shaft.
為了延長電動力矩扳手的使用壽命，有必要其磨損問題。如果能這個問題，就能沖擊頭磨損問題。更換整體杠桿軸拆卸，杠桿軸工作面可拆卸。使用一段時間后，可根據(jù)磨損情況進(jìn)行更換。可移動工作面可單獨選擇合適的材料，通過合理的加工工藝，達(dá)到較高的機(jī)械性能。
In order to prolong the service life of electric torque wrench, it is necessary to solve its wear problem. If this problem can be solved, the problem of impact head wear can be solved. Replace the integral lever shaft and disassemble. The lever shaft working face can be disassembled. After using for a period of time, it can be replaced according to the wear condition. Movable working face can select suitable materials independently and achieve higher mechanical properties through reasonable processing technology.
建議電動力矩扳手選用高碳鋼，淬火回火熱處理工藝。這樣，加工后的工作面既有較高的硬度又有一定的韌性，使其在沖擊過程中不會斷裂，并且可以大批量加工，一次加工就可以滿足長期更換使用的要求，非常方便。從而了電動扳手輸出功率降低的問題。
Experts recommend high carbon steel for electric moment wrench, quenching and tempering heat treatment process. In this way, the working face after processing has both higher hardness and certain toughness, so that it will not break in the impact process, and can be processed in large quantities, one processing can meet the requirements of long-term replacement and use, very convenient. Thus, the problem of reducing the output power of the electric wrench is solved.
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