Metal Washer for ESC/ABS Megnet Solenoid
The center hole of the washer is concentric and coaxial with the center hole of the housing. The bright band of the center hole and the outer dimension cutting edge must be more than 95%, necessitating fine blanking for achievement. The perpendicularity of the outer dimension cutting edge must be a maximum of 0.03mm, and the parallelism of the upper and lower planes must be a maximum of 0.03mm.
Case Review
This part is used as a washer on ESC/ABS electromagnetic coils and is supplied to Betheli Automotive Safety Systems Co., Ltd. It is used on new energy vehicles and has very high requirements, such as no burrs, high salt spray test, and good appearance.
Product process: cold steel, one out of two, fine punching twice, roller deburring, barrel Zn-Fe.