机械毕业设计曲轴箱泵体加工工艺及夹具设计【含cad图纸全套】.pdf

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ޘ྇䇮䇑മ㓨 CAD ࣐ 401339828
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ABSTRACT
Basic process of machining the crankcase of the pump body. The main processing parts
processing plane and holes. In general, ensure easy to guarantee precision machining holes
than. Therefore, the design principle is first machined surface after machining hole surface.
Periodic hole machining plane is obvious that rough machining and machining precision
machining hole. Based on the basic input and output, the bottom surface as a good
foundation process. The main flow arrangement is supported in the positioning hole of the
first, and then the processing hole plane and the hole positioning technology support. The
whole process is a combination of the selection tool. Special fixture fixture selection, a
self-locking mechanism, therefore, higher productivity, for large quantities, to meet the
design requirements.
Keywords: crankcase pump body parts; technology; fixture;
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