名爵車標(biāo)數(shù)控編程

目錄銑削零件的CAD/CAM過程 1零件CAD 1零件加工工藝設(shè)計(jì) 2確定毛坯類型 2數(shù)控加工工藝分析 23零件CAM 4刀具路徑的生成 4加工程序的生成 10CAM程序清單 11VNUC4.0加工仿真 13數(shù)控機(jī)床加工過程綜述 17心得體會(huì) 18參考文獻(xiàn) 19PAGEPAGE19CAD/CAM過程CAD進(jìn)行三維立體造型，它的造型有關(guān)數(shù)據(jù)如截圖所示。實(shí)際造型的結(jié)果如圖3。圖1造型參數(shù)圖2三維造型零件加工工藝設(shè)計(jì)確定毛坯類型銑削零件毛坯類型：Φ120*120mm零件材料：塑料制造方法：數(shù)控銑削數(shù)控加工工藝分析1．工藝分析級(jí)精度。X平行。在工件下表面與平口鉗之間放入精度較高的平行墊塊墊塊厚度與寬度適當(dāng)yAZzA面為執(zhí)行刀具長(zhǎng)度補(bǔ)償后的零點(diǎn)表面。精加工精加工精加工精加工零件圖工序號(hào)零件名稱材料夾具名稱使用設(shè)備號(hào)名爵車標(biāo)塑料機(jī)用虎鉗三軸立式銑床工步號(hào)工步內(nèi)容刀具規(guī)格刀具主軸轉(zhuǎn)進(jìn)給速度背吃刀量材料速/mm/r.min-1/mm1平面銑削Φ50面銑刀1400100052曲面粗加Φ20端銑刀100010003工3等高外形Φ10端銑刀高100010002粗加工環(huán)繞等距4 Φ4速鋼10006000.5殘料清角5 Φ410004000.5表一：名爵車標(biāo)零件數(shù)控加工工序3 CAM刀具路徑的生成先將三維模型導(dǎo)入Mastercam圖3三維模型① 平面銑削：加工方式：雙向切削；刀具選擇：Φ50切削參數(shù)：進(jìn)給率1000、Z軸進(jìn)給率800、快速提刀、主軸轉(zhuǎn)速1400、分兩次銑削、最大粗切步進(jìn)量為1mm；圖4平面銑削加工參數(shù)選項(xiàng)卡圖5平面銑削加工刀路仿真② 曲面粗加工：加工方式：曲面等高外形；刀具選擇：Φ20端銑刀；切削參數(shù)：進(jìn)給率1000、Z軸進(jìn)給率600、快速提刀、主軸轉(zhuǎn)速1000圖6曲面粗加工參數(shù)選項(xiàng)卡圖7曲面粗加工加工刀路仿真③ 等高外形粗加工：加工方式：環(huán)繞銑削；刀具選擇：Φ10切削參數(shù)：進(jìn)給率1000、Z軸進(jìn)給率600、快速提刀、主軸轉(zhuǎn)速1000、最大切削間距0.5；圖8等高外形粗加工參數(shù)選項(xiàng)卡圖9等高外形粗加工刀路仿真④ 環(huán)繞等距精加工：加工方式：環(huán)繞銑削；刀具選擇：Φ4球刀；切削參數(shù)：進(jìn)給率1000、Z軸進(jìn)給率600、快速提刀、主軸轉(zhuǎn)速1000、最大切削間距0.5；圖10環(huán)繞等距精加工參數(shù)選項(xiàng)卡圖11環(huán)繞等距精加工刀路仿真⑤ 殘料清角精加工：加工方式：雙向銑削；刀具選擇：Φ4球刀；切削參數(shù)：進(jìn)給率1000、Z軸進(jìn)給率600、快速提刀、主軸轉(zhuǎn)速1000、最大切削間距0.5；圖12殘料清角精加工參數(shù)選項(xiàng)卡圖13殘料清角精加工刀路仿真加工程序的生成CAM程序清單NCMPFAN所產(chǎn)生的程序。（3（由于程序過長(zhǎng)，只取部分示例）%N166X-18.005Y-.228N242X-11.103Y15.637O0002N168X-18.03Y.295N244X-10.69Y15.917N100G90G0G17G40G49G80N170N172X-18.034Y.794X-18.035Y1.386N246N248X-10.271Y16.191X-9.857Y16.452N102G91G28Z0.N174X-18.01Y1.977N250X-9.55Y16.63N104S1000M3N176X-18.006Y2.032N252X-9.444Y16.7N106G0G90G54X-13.79N178X-18.009Y2.076N254X-9.105Y16.882Y-13.328N180X-18.037Y2.689N256X-9.032Y16.929N108Z19.775N182X-18.041Y3.188N258X-8.178Y17.373N110Z17.775N184Y3.805N260X-7.992Y17.457N112G1Z16.775F400.N186X-18.012Y4.424N262X-7.797Y17.559N114X-14.168Y-12.924N188X-18.021Y4.57N264X-7.458Y17.698F600.N116X-14.861Y-12.119

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