The motor stator tooth pressure bridge is generally processed from non-magnetic flat steel 40Mn18Cr4. The tooth pressure bridge is also called teeth pressure plates, tooth pressure plates, and tooth pressure strips. Regardless of the name, the actual object is the same.
The tooth pressing plate is formed by welding the rotor end plate and the rotor tooth pressing strip through convex points. Due to the narrow teeth of the rotor end plate, in order to ensure electrical reliability during subsequent electrician wire embedding operations, there is a certain position requirement (centered on the end plate teeth) when spot welding the tooth pressing strip.
The tooth pressure strip is one of the indispensable and important components of the motor. The material must have non magnetic properties, which is crucial. In addition, it must have strong mechanical properties to meet the working requirements of various power generators.
Due to the varying material performance requirements of each motor, the selection of non magnetic steel tooth pressure bridge materials varies, including 40Mn18Cr3, 40Mn18Cr4V non-magnetic steel, 50Mn18Cr5, 50Mn18Cr4V, etc.
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