《機(jī)械零部件數(shù)控加工技術(shù)》習(xí)題習(xí)題15習(xí)題1：按照圖紙要求完成下圖零件的主視圖所示表面的輪廓加工，帶入刀具半徑補(bǔ)償功能進(jìn)行粗精加工并去除多余余量，余量的去除可以采用多種方法，也可以手搖加工。圖1習(xí)題2：按照圖紙要求完成下圖零件的主視圖所示表面的外輪廓加工，帶入刀具半徑補(bǔ)償功能進(jìn)行粗精加工并去除多余余量，余量的去除可以采用多種方法，也可以手搖加工。圖2（1）準(zhǔn)備①材料準(zhǔn)備名稱規(guī)格數(shù)量要求45#鋼或鋁115×75×35125×125×352塊/每位考生②設(shè)備準(zhǔn)備名稱規(guī)格數(shù)量要求數(shù)控銑床CYVMC650臺(tái)虎鉗扳手CYVMC6501副/每臺(tái)③工卡量具準(zhǔn)備序號(hào)名稱型號(hào)數(shù)量要求1Φ100mm盤形銑刀株洲鉆石牌合金涂層銑刀12Φ16mm立銑刀株洲鉆石牌合金涂層銑刀13Φ8mm立銑刀株洲鉆石牌合金涂層銑刀14R3球頭銑刀株洲鉆石牌合金涂層銑刀5常用工具和銅皮自選自定6外徑千分尺0.01/25～5050～7575～100各17游標(biāo)卡尺0.02/0～20018數(shù)顯卡尺0.01/0～15019深度千分尺0～150110計(jì)算器11草稿紙?jiān)u分表圖一①操作技能考核總成績表序號(hào)項(xiàng)目名稱配分得分備注1現(xiàn)場操作規(guī)范102工序制定及編程403工件質(zhì)量50合計(jì)100②現(xiàn)場操作規(guī)范評(píng)分表現(xiàn)場操作規(guī)范③工序制定及編程評(píng)分表實(shí)際情況12指令應(yīng)用指令應(yīng)用合理、得當(dāng)、正確153程序格式程序格式正確，符合工藝要求1540④工件質(zhì)量評(píng)分表序號(hào)項(xiàng)目考核內(nèi)容配分檢測結(jié)果得分ITRa1外輪廓120（2處）22工件結(jié)構(gòu)4-R10樣板檢測234-R7樣板檢測242025402650272-Φ16樣棒檢測282-Φ10樣棒檢測29Φ65210R200樣板檢測2116021220213SR185樣板檢測214SR10樣板檢測21510°樣板檢測216高度25217112183219302202022112222銳角倒鈍423粗糙度3.2450圖二①操作技能考核總成績表序號(hào)項(xiàng)目名稱配分得分備注1現(xiàn)場操作規(guī)范102工序制定及編程403工件質(zhì)量50合計(jì)100②現(xiàn)場操作規(guī)范評(píng)分表現(xiàn)場操作規(guī)范③工序制定及編程評(píng)分表實(shí)際情況12指令應(yīng)用指令應(yīng)用合理、得當(dāng)、正確153程序格式程序格式正確，符合工藝要求1540④工件質(zhì)量評(píng)分表序號(hào)項(xiàng)目考核內(nèi)容配分檢測結(jié)果得分ITRa1矩形外形110327033工件外輪廓95246525522650274*R528R3.5圓槽樣板檢測29工件內(nèi)輪廓383102831153124*R3樣板檢測313底面倒角R3樣板檢測314孔系3*Φ6樣棒檢測3153*Φ10樣棒檢測316中心距55317銳角倒鈍218粗糙度3.2650習(xí)題15答案習(xí)題1：參考答案如下：1.工藝分析（1）使用盤形銑刀銑削工件六個(gè)表面，并以此上表面的中心為原點(diǎn)建立工件坐標(biāo)系，在銑削的過程當(dāng)中要定工件的總高度以及六面高度；（2）ф16mm立式銑刀粗加工工件各結(jié)構(gòu)。（3）使用ф8mm立式銑刀銑削工件的溝槽與沉頭孔。（4）使用R3球頭銑刀精加工工件的曲面。2.確定工藝方案（1）盤形銑刀銑削工件六面，并定好總長，保證粗糙度要求在Ra3.2；使用ф16mm立式銑刀粗加工工件各結(jié)構(gòu)；使用ф8mm立式銑刀銑削工件溝槽與沉頭孔；使用R3球頭銑刀精加工工件曲面，保證粗糙度Ra3.2；3.選擇刀具及切削用量（1）選擇刀具①盤形銑刀ф150mm，T01；②立式銑刀ф16mm，T02；③立式銑刀ф8mm，T03；④球頭銑刀R3mm，T04（2）確定切削用量盤形銑刀S800r/min、F500mm/min；立式銑刀ф16mm，S2500r/min、F2000mm/min；立式銑刀ф8mm，S3500r/min、F2000mm/min；球頭銑刀S5000r/min、F2000mm/min。自動(dòng)編程粗加工O0001;N0010G40G17G90G54；N0040G0G90X-15.9068Y-21.6598S2500M03；N0060Z22.；N0070G1X-13.5325Z21.3638F2000.M08；N0080X-14.5826Y-21.0037Z21.032；N0090X-16.9732Y-19.1237Z20.2171；N0100X-19.1237Y-16.9732Z19.4022；。。。。。。N7200G3X-48.4853Y45.6569I-1.4142J-1.4142；N7210G1X-34.3431Y31.5147；N7220G3X-31.5147Y34.3431I1.4142J1.4142；N7230G1X-38.5858Y41.4142；N7240X-44.7141Y46.5565；N7250Z0.0；N7260G0Z29.；N7270M02；加工溝槽O0001;N0010G40G17G90G54；N0040G0G90X32.8529Y-47.0802S3500M03；N0060Z20.；N0070G1Z17.F2000.M08；N0080X35.6813Y-44.2517；N0090X28.9634Y-37.5339；N0100G2X28.9631Y-37.5336I.0424J.0424N5350G3X46.3809Y51.84I-2.8709J-2.8709；N5360X46.3808Y51.8399I.0192J-.0098；。。。。。。N0140X-49.1696Y-53.7064；N0150Z2.；N0160G3X-52.8284Y-52.8284Z-3.I-1.1132J3.4236K.9646；N0170I2.8284J2.8284；N0180G1X-50.Y-50.；N0190Z0.0；N0200G0Z29.；N0210M02；精加工曲面：O0001；N0010G40G17G90G54；N0040G0G90X-4.8516Y-37.7674S5000M03；N0060Z15.8；N0070G1Z3.1312F2000.M08；N0080X-4.9403Y-37.8301Z2.3556；N0090X-5.19Y-38.0065Z1.6346；N0100X-5.5836Y-38.2846Z1.0173；N0110X-6.0942Y-38.6455Z.5457；N0120X-6.6871Y-39.0645Z.252；N0130X-7.3219Y-39.5131Z.1563；。。。。。。N0350X-12.4499Y-12.4523Z17.1642；N0360X-12.3694Y-12.6132Z17.1586；N0370X-12.8174Y-12.843Z17.1148；N0380X-13.5136Y-13.2Z17.1493；N0390X-14.1782Y-13.5407Z17.3852；N0400X-14.7657Y-13.842Z17.8063；N0410X-15.2363Y-14.0833Z18.384；N0420X-15.5578Y-14.2481Z19.0788；N0430X-15.7083Y-14.3253Z19.8435；N0440G0Z29.；N0450M02；習(xí)題2：參考答案如下：1.工藝分析（1）使用盤形銑刀銑削工件六個(gè)表面，并以此上表面的中心為原點(diǎn)建立工件坐標(biāo)系，在銑削的過程當(dāng)中要定工件的總高度以及六面高度；（2）ф16mm立式銑刀粗加工工件各結(jié)構(gòu)。（3）使用ф8mm立式銑刀銑削工件的溝槽與清角。（4）使用R3球頭銑刀精加工工件的曲面。2.確定工藝方案（1）盤形銑刀銑削工件六面，并定好總長，保證粗糙度要求在Ra3.2；使用ф16mm立式銑刀粗加工工件各結(jié)構(gòu)；使用ф8mm立式銑刀銑削工件溝槽與清角；使用R3球頭銑刀精加工工件曲面，保證粗糙度Ra3.2；3.選擇刀具及切削用量（1）選擇刀具①盤形銑刀ф150mm，T01；②立式銑刀ф16mm，T02；③立式銑刀ф8mm，T03；④球頭銑刀R3mm，T04（2）確定切削用量盤形銑刀S800r/min、F500mm/min；立式銑刀ф16mm，S2500r/min、F2000mm/min；立式銑刀ф8mm，S3500r/min、F2000mm/min；球頭銑刀S5000r/min、F2000mm/min。編程粗加工O0001N0010G40G17G90G54N0040G0G90X-1.606Y-1.9118S2500M03N0060Z.0394N0070G1Z-.0787F2000M08N0080X-1.8322Y-1.5969N0090G2X-2.0675Y-.5232I1.1266J.8095N0100G3Y.5232I-2.6963J.5232N0110G2X-1.8322Y1.5969I1.3619J.2642N0120G1X-1.606Y1.9118N0130Z.0394N0140G0Z.3937N0150X-1.0464Y-1.9118。。。。。。N5330Z-.5906N5340G1Z-.7087N5350X-2.1675Y1.5945N5360X-2.1654N5370X1.5748N5380G2X1.8898Y1.2795I0.0J-.315N5390G1Y-1.2795N5400G2X1.5748Y-1.5945I-.315J0.0N5410G1X-2.1654N5420X-2.1675N5430X-2.713Y-1.5908N5440Z-.5906N5450G0Z.3937N5460M02加工溝槽O0001N0010G40G17G90G54N0040G0G90X.4998Y-.2362S3500M03N0060Z.0394N0070G1Z-.0787F2000M08N0080Y-.3937N0090X.6573N0100X.7874N0110Y-.2636N0120Y-.1061N0130X.6299N0140Z.0394N0150G0Z.3937。。。。。。N3270G0Z.3937N3280X-1.8579Y1.5945N3290Z-.4879N3300G1Z-.606N3310X-1.6908Y1.3757N3320X-1.6912N3330G2X-1.6897Y1.3736I-.1244J-.0954N3340G1X-1.6666Y1.3413N3350G2X-1.6637Y1.3475I.1462J-.0638N3360G1X-1.5435Y1.5937N3370Z-.4879N3380G0Z.3937N3390M02精加工曲面O0001N0010G40G17G90G54N0040G0G90X-2.0032Y1.2811S5000M03N0060Z-.3312N0070G1X-2.0094Y1.2695Z-.3591F2000M08N0080X-2.0119Y1.2647Z-.3895N0090X-2.0107Y1.267Z-.4202N0100X-2.0058Y1.2762Z-.4492N0110X-1.9975Y1.2917Z-.4745N0120X-1.9863Y1.3124Z-.4944N0130X-1.9822Y1.3201Z-.5N0140X-1.9742Z-.5046N0150X-1.9818