Aluminum Die Casting Wiper Motor Housing

Aluminum Die Casting Wiper Motor Housing, it is a new part developed, the part is the major housing for the DC motor of the windscreen wiper. the cavity number for this part is 2, according to the required tolerance and dimensions, the difficult point of this part is the CNC machining work, the wall thickness is very small, at the smallest area, after machining, it is only about 1.5 mm. for the raw material as cast, the wall thickness of the small end is only 2 mm, the die casting criterion carried on this part is Grade GB-CT3, the general tolerance standard for the dimensions unspecified is ISO 2768-MK. What's more, this part has some form and location tolerance requirement, such as the rectangularity, the planeness, positioning degree. For the development of this part, in order to shorten the lead time, shorten the timing of validating, determine the best parameters for die casting process, the engineer kept following the whole die casting process. The main four para…

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