Aluminum Die Casting Motor Side Housing

Aluminum Die Casting  Motor Side Housing, the material of this part is ADC-12, the part is a housing for DC motor on windscreen wiper system which is used on bus, boat after assembly, the part is an end cover, work with a mating pivot housing, the DC motor run in these two housing.  On this part, there are a lot of teeth. the clearance of the teeth is small, what's more, the permissible draft of the teeth is only 1 degree, there will be potential risk for failure of mold release.  The material of this part is ADC-12, it  a Japanese aluminum type. The material should conform to standard of JIS H 5302-2000, a very common material in high pressure die casting. The material is equivalent to Chinese aluminum alloy YL113, the corresponding standard is GB/T 15115-2009. And the material is also equal to A383, the criterion is ASTM B85-03 Standard Specification for Aluminum-Alloy Die Castings. The part has request on surface finish of E-Coating…