5、ringmachine.Andthebaseisheavy,andhashighmachining precisions.Soitisveryimportanttomakescientific and reasonableprocessing technology,whichcanimproveprecisionofthebaseandproductionefficiencyoftheshearingmachine.Research and analysisofthebaseisbasedon3-D modeling ,analysisofprocess
7、ll,makingcardincludingcutting,weldingandmachining,andsearchingforany related parameters.Keywords:thebaseoftheshearingmachine;designprocessplan;machiningoperatingcard;cuttingdataIV目录摘要IABSTRACTII第一章绪论11.1课题背景和来源11.2课题研究的意义11.3课题主要内容21.4本章小结2第二章剪机底座的工艺性分析32.1剪机底座的装配图和零件图的分析和审查32.2零