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從電機(jī)轉(zhuǎn)矩的計算公式（T=9550 P / n ）可以看出，當(dāng)電機(jī)功率相同時，低速電機(jī)對應(yīng)的轉(zhuǎn)矩較大。
電機(jī)軸伸是傳動的關(guān)鍵零部件，除電機(jī)與設(shè)備的對接尺寸控制外，電機(jī)軸伸的直徑大小、軸的材質(zhì)，以及具體的加工控制要求，都直接影響著電機(jī)的轉(zhuǎn)矩能力體現(xiàn)，是一種機(jī)械能力表現(xiàn)。
當(dāng)電機(jī)的轉(zhuǎn)矩超過其可以承當(dāng)?shù)姆秶鷷r，即電機(jī)發(fā)生過載，電機(jī)的電流會因為過載出現(xiàn)大幅增加，導(dǎo)致繞組發(fā)生過熱燒毀問題；即使電機(jī)繞組能滿足過載要求，就電機(jī)的軸而言，過載意味阻力矩大，作用在軸上力矩太大時，會對軸伸造成直接的傷害，特別是對于軸伸加工不太規(guī)范的情況，容易發(fā)生電機(jī)軸伸撓曲或斷裂的質(zhì)量事故。
From the calculation formula of motor torque (T=9550 P/n), it can be seen that when the motor power is the same, the torque corresponding to the low-speed motor is larger.
Motor shaft extension is a key component of transmission. In addition to controlling the docking size between the motor and equipment, the diameter of the motor shaft extension, the material of the shaft, and specific processing control requirements all directly affect the torque capability of the motor, which is a manifestation of mechanical capability.
When the torque of the motor exceeds its acceptable range, that is, the motor is overloaded, and the current of the motor will increase significantly due to the overload, causing the winding to overheat and burn out; Even if the motor winding can meet the overload requirements, for the motor shaft, overload means a large resistance torque. When the torque acting on the shaft is too large, it can cause direct damage to the shaft extension, especially for non-standard shaft extension processing, which can easily lead to quality accidents such as motor shaft bending or fracture.
