阀座加工工艺编制与夹具设计摘要：仔细阅读任务书中的内容，看零件图的形状、尺寸。明确设计的目的，根据零件的要求，选择毛坯的类型、形状和尺寸。由零件图上的尺寸，选择定位的粗基准和精基准。然后根据图中的尺寸、零件的形状来拟定工艺路线。根据工艺路线确定粗、精加工的加工余量和工序尺寸。完成以上工作后，选择加工的机床和工艺设备。查找资料，分析、计算各工序中的切削用量及工时定额。同时，由各工序的要求，分析、设计其夹具。再确定各工序的技术要求及检验方法。从整体上分析各工序的安排，参数的确定等是否合理。关键词：加工工艺、工装、夹具、工艺Process programming and fixture Design of Valve seatABSTRACT: Read the contents of the task book carefully and see the shape and size of the part drawings. Define the purpose of the design and select the type, shape and size of the blank according to the requirements of the parts. The rough and precise datum of positioning are selected according to the dimension of the part drawing. Then, according to the size of the drawing and the shape of the parts, the process route is drawn up. Processing allowance and process size of rough and finish machining are determined according to process route. After completing the above work, select the processing machine and process equipment. Search for data, analyze and calculate the cutting parameters and working hours quota in each process. At the same time, according to the requirements of each process, the fixture is analyzed and designed. Then determine the technical requirements and inspection methods of each process. From the overall analysis of the arrangement of each process, the determination of parameters and so on is reasonable. Fill in process documents as required.Key words: Processing technology, tooling, fixture and technology目 录.........................................................3............................
