Corrosion-resisting motor rotor shaft
A technology of motor rotor shaft and motor rotor, which is applied to electric components, electrical components, electromechanical devices, etc., can solve the problems of reduced motor performance, inability to use, and not available, and achieves good corrosion resistance and improved service life.
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[0008] like figure 1 As shown, a corrosion-resistant motor rotor shaft is composed of a front shaft 1 and a rear shaft 2. The front shaft 1 is the shaft body at the front end of the motor rotor 3 and is made of stainless steel. Rear axle 2 is made of carbon steel, generally adopts No. 45 steel. The entire rotor shaft is welded by the front shaft 1 and the rear shaft 2. The welding seam 5 of the front shaft 1 and the rear shaft 2 can be between the motor rotor 3 and the front bearing 4, or at the front end of the front bearing 4. It can be no less than 10mm Place (as shown in Figure 2), specifically where is more suitable, depending on the size of the pump body, it is better to make the front axle 1 with the part in contact with the fluid. The chamfer of the welding seam 5 between the front axle 1 and the rear axle 2 is 7-170 degrees, generally 60-120 degrees.
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