100龙上方箱加工工艺及夹具设计（有CAD图纸）.pdf

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2017-08-08 发布于河南
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100龙上方箱加工工艺及夹具设计（有CAD图纸）.pdf

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Sichuan Vocational and Technical College 100 2012.09—2013.04 100 100 100 100 ABSTRACT The design is based on the body parts of the processing order of the processes and some special fixture design. Body parts of the main plane of the surface and pore system. In general, the plane guarantee processing precision than that of holes machining precision easy. Therefore, this design follows the surface after the first hole principle. Plane with holes and the processing clearly divided into roughing and finishing stages of holes to ensure machining accuracy. Datum selection box input shaft and the output shaft of the supporting hole as a rough benchmark, with top with two holes as a precision technology reference. Main processes arrangements to support holes for positioning and processing the top plane, and then the top plane and the supporting hole location hole processing technology. In addition to the follow-up processe