2、,再以底面定位加工出工艺孔。在后续工序中除个别工序外均用底面和工艺孔定位加工其他孔与平面。关键词:轴承座;加工工艺;专用夹具41ABSTRACTThisdesignis a specialfixture designed for bearing partsofthe processplanning andprocess.Theroleofthebearingsupportandafixedbearing,ofcourse,havetobeartheloadaxis.Knownbytheprinciplesofprocess,toensurethattheplaneofthema