Ml 0.18kw 0.37kw 0.75kw 1.5kw 2.2kw 3kw 3.7kw 4kw 単相非同期誘導 AC 電動機

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(4) Torque. Including the transient electromagnetic torque when the load suddenly changes and the generator is suddenly short-circuited. Among the above loads, torque is the most important. In addition, the frame of a general motor will also be subjected to clamping force, cutting force, lifting force, etc. during processing, transportation, and installation; for motors that require sealing (such as hydrogen-cooled steam turbine generators or explosion-proof motors), the The machine base is also subjected to the action of test pressure. When the end cover bearing and belt (or gear and other transmission mechanisms) are used for transmission, the machine base and its feet will also be subjected to the action of the belt pulling force (or the force of the gear and other transmission mechanisms). . Therefore, when designing the machine base, the mechanical calculation of the general machine base often includes the calculation of its stiffness, strength and natural vibration frequency. The strength calculation of the joint plate bolts needs to be carried out for the half machine base, and the foot plate welding seam needs to be carried out for the welding machine base. The calculation of stress, which is mainly the calculation of the stiffness of the machine base.