I摘要数控加工技术是以数字量编程实现控制机械或其他设备自动工作的技术。随着数控技术的不断发展和应用领域的扩大，数控加工技术对国计民生的一些重要行业（IT、汽车、轻工、医疗等）的发展起着越来越重要的作用，因为效率、质量是先进制造技术的主体。高速、高精加工技术可极大地提高效率，提高产品的质量和档次，缩短生产周期和提高市场竞争能力。本文根据数控机床的特点，针对具体的零件，进行了工艺方案的分析，工装方案的确定，刀具和切削用量的选择，确定加工顺序和加工路线，数控加工程序编制。通过整个工艺的过程的制定，充分体现了数控设备在保证加工精度，加工效率，简化工序等方面的优势。关键词：数控加工；工艺分析；数控编程；CAD/CAMIIIAbstractNCmachiningtechnologyisbasedonthedigitalprogrammingtocontrolmachineryorotherdevicestoworkautomaticallytechnology.Expandsunceasinglyalongwiththedevelopmentofnumericalcontroltechnologyandapplications,someofthemajorindustriesoftheCNCmachiningtechnology(IT,beneficialtothepeople'slivelihoodautomobile,lightindustry,medicaletc.)playsanincreasinglyimportantroleinthedevelopment,becausetheefficiency,qualityisthesubjectofadvancedmanufacturingtechnology.Highspeed,highprecisionmachiningtechnologycangreatlyimproveefficiency,improveproductqualityandgrade,shortentheproductioncycleandimprovetheabilityofmarketcompetition.TheaccordingtothecharacteristicsofCNCmachinetools,forspecificparts,processanalysis,determinationoftoolingplan,selectionofcuttingtoolsandcuttingparametersdeterminedtheprocessingorderandprocessingline,NCmachiningprogramming.Throughtheprocessofthewholeprocessofthedevelopment,fullyembodiestheCNCequipmenttoensurethemachiningaccuracy,processingefficiency,simplifytheprocessandotheraspectsoftheadvantages.Keywords:NCmachining;processanalysis;NCprogramming;CAD/CAMIIIIIIIIIV目录引言..........................................................11任务分析.......................................................22加工工艺分析...................................................42.1确定加工方案..............................................72.2加工余量分析..............................................82.2.1影响加工余量的因数...................................82.2.2加工余量的确定方法...................................82.5机床与刀具的选择.........................................132.5.1机床的选择..........................................132.5.2刀具的选择..........................................133数控编程......................................................133.1坐标系/对刀点/换刀点.....................................133.2常见程序指令.............................................133.3常见的G指令格式及运用...................................133.4参考点/原点/对刀........................................134零件加工......................................................184.1程序的调试与检查........................................184.1.1程序调试...........................................18VIV4.1.2程序的检查.........................................184.2模拟运行................................................184.3零件加工................................................194.4精度自检................................................19参考文献........................................................22附录............................................................24VVI致谢..........................................................40VIIVIVII1引言引言数控加工说明书是在学完了机械设计、机械制造基础、机械加工工艺、...
