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Types and Structures of Motor End Covers
24-12-20 14:35
Type: The motor end covers are generally divided into front covers and rear covers. The front and rear end covers of Y, Y2 series and their derived series of motors are basically the same, focusing on standardization and universality in design.
Structure:
Motor end covers generally have some concave and convex holes on the surface, which serve to enhance the motor's heat dissipation and increase the mechanical strength of the motor.
The bearing cover is used on the through-hole bearing chamber end cover, serving to block the bearing, effectively limiting the bearing and preventing rotor movement, while also covering the bearing oil. The bearing cover is divided into inner bearing cover and outer cover, with the inner cover installed inside the end cover, both having a through shaft hole; the outer cover is installed outside the end cover, available in both perforated and non-perforated structures.
In addition, based on the placement position of the end cover, the form of the stop, the presence or absence of flanges, and the number of tabs, the motor end covers can be classified as follows:
According to the different placement positions of the end cover, they can be divided into front end covers and rear end covers.
According to the different forms of the stop, they can be divided into inner stop end covers and outer stop end covers.
According to the presence or absence of flanges on the end cover, they can be divided into flanged end covers (commonly known as flange end covers) and non-flanged end covers.
According to the different number of tabs on the end cover, they can be divided into end covers with three tabs and end covers with four tabs. End covers with three tabs are commonly used in small capacity motors, while larger capacity motors use end covers with four or more tabs.
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