號CAD CAM課程設(shè)計說明書

CAD/CAM課程設(shè)計任務(wù)一、設(shè)計題目：車床變速模擬機(jī)構(gòu)及套筒CAD/CAM設(shè)計CAD/CAMCAD/CAM》課程之后進(jìn)行的一個實踐性教學(xué)環(huán)節(jié)。在學(xué)生系統(tǒng)1、熟悉并掌握大型機(jī)械CAD/CAMPRO/ENGINEER的草繪模塊、零件模塊、制造模塊及仿真2、掌握數(shù)控加工原理及過程。利用學(xué)院數(shù)控加工的小型數(shù)控機(jī)床加工零件，訓(xùn)練和提三、設(shè)計任具有某種功能的小型機(jī)械機(jī)構(gòu)，并利用的小型數(shù)控機(jī)床加工出實物。第二部分：每位學(xué)生以第一部分：車床變速模擬機(jī)構(gòu)的CAD/CAM設(shè)3、利用PRO/ENGINEER的NC模塊分組完成機(jī)構(gòu)中主要零件的數(shù)控加工編程。針對學(xué)院數(shù)控加2、利用PRO/ENGINEER的NC模塊進(jìn)行零件的CAM設(shè)計。分析零件的加工圖樣；確定毛坯；選3、選擇2-3個加工部位進(jìn)行零件的NC序列設(shè)置。包括選擇加工方法、刀具、切削用量等加工參四、設(shè)計要1、設(shè)計說明書用計算機(jī)打?。ˋ4紙，正打印，1萬字左右。“CAD/CAM物等內(nèi)容五、設(shè)計內(nèi)容及時間分 （3天 六、參考資有關(guān)機(jī)械設(shè)計、機(jī)械原理、PRO/ENGINEER的參考書及數(shù)控加工工藝的參考書。如機(jī)械原理教程、機(jī)械設(shè)計、PRO/ENGINEERWildfire5.0的零件設(shè)計、PRO/ENGINEERWildfire5.0的數(shù)控加工、數(shù)控加工工藝、數(shù)控機(jī)床等等。七、成績評 期 期第一章概 設(shè)計目 設(shè)計思 第二章車床變速模擬機(jī)構(gòu)的CAD/CAM設(shè) 第三章套筒零件的CAD/CAM設(shè) 設(shè)置NC序 第四章總 車床變速機(jī) 致 參考文 CAD/CAM概CAD（計算機(jī)輔助設(shè)計）和CAM（計算機(jī)輔助制造）是60年代以來迅速發(fā)展起來的一門新興的綜合CAD/CAM包括CAD、CAPP、CAM三個部分。計算機(jī)輔助設(shè)計（CAD）是指工程技術(shù)以計算機(jī)為輔計算機(jī)輔助制造（CAM）CAMCAMCAMCAMNCNCCAD技術(shù)與CAM技術(shù)逐漸融合為一體，實現(xiàn)設(shè)計、制造，具有明顯的優(yōu)越性，這有利于減少CAD/CAM因此，我們通過熟悉并掌握大型機(jī)械CAD/CAMPRO/ENGINEER，鍛煉繪圖的應(yīng)用能力，提CA6140型臥式車床屬通用的中型車床，其工藝范圍與加工范圍都很廣，能進(jìn)行多種表面的加工，但結(jié)構(gòu)復(fù)雜且自動化程度低，所以適用于單件、小批生產(chǎn)及修配車間。CA6140主要組成部分為：主軸CA6140功能，它通過三套機(jī)構(gòu)來滑移齒輪以實現(xiàn)變速的功能，其中六速集中機(jī)構(gòu)如圖1-1六速集中六速集中機(jī)如圖1-2車床變速機(jī)構(gòu)三維模型所示，如圖1-3系統(tǒng)傳動路線圖所示，通過手柄控制主動車床變速模擬機(jī)構(gòu)三維模第二章車床變速模擬機(jī)構(gòu)的CAD/CAM設(shè)機(jī)構(gòu)的設(shè)計計11R1Cλ：λ=R1/C=sin(л/z)=sin(л/4)=0.7072-1三維造型設(shè)槽輪的三維造型設(shè)2-3撥塊的三維造型設(shè)撥塊鉆圖2-7前板的三維造型設(shè)2-9虛擬裝配與運動仿虛擬裝 單 機(jī)構(gòu)的裝配組件，如圖2-10車床變 車床變速機(jī)構(gòu)的裝配組仿單擊，如圖2-11凸輪 凸輪從構(gòu)連接定數(shù)控加工編槽輪數(shù)控加工編N5G2X24.596Y-I-1.436N10(/G3X4.905Y-I.109J-N15G0G17G2X3.657Y-I-1.45N20G90G1X2.637Y-N25G0X2.492Y-N30T1S800X.05Y-24.705I0.G0G43Y-G81X0.Z-X-.05Y-10.I-.05Y-G0X-1.5Y-26.155I-1.45G0X-T2X-2.637Y-S1000X-3.656Y-G0G43Z30.G2X-4.076Y-25.899I.123X-2.637X-4.905Y-24.596I.621G3X-24.596Y-4.905I-19.8J-G1Z-2.G2X-25.861Y-4.15I.008X-2.492X-26.022Y-3.655I1.175X-G1X-26.147Y-G2X-.05Y24.705I0.J-X-26.155Y-G1Y-G3X.05Y10.I.05G2X-24.705Y-.05I1.45G1G1X-G2X1.5Y26.155I1.45G3X-10.Y.05I0.G1G1X-X2.637G2X-26.155Y1.5I0.X3.656G1G2X4.076Y25.899I-.123J-X-26.147X4.905Y24.596I-.621J-X-26.024G3X24.596Y4.905I19.8G2X-24.596Y4.905I1.436J-G2X26.024Y3.657I-.008J-G3X-4.905Y24.596I-.109G1X26.147G2X-3.657Y26.024I1.45J-X26.155G1X-2.637Y26.144Z-G2X24.705Y.05I-1.45X-2.492G1X-G3X10.Y-.05I0.J-G2X-.05Y24.705I0.J-G1G1G2X26.155Y-1.5I0.J-G3X.05Y10.I.05G1Y-G1X26.147Y-G2X1.5Y26.155I1.45X26.024Y-G1X2.637G2X-26.155Y1.5I0.X3.656G1G2X4.076Y25.899I-.123J-X-26.147X4.905Y24.596I-.621J-X-26.024G3X24.596Y4.905I19.8G2X-24.596Y4.905I1.436J-G2X26.024Y3.657I-.008J-G3X-4.905Y24.596I-.109G1X26.147G2X-3.657Y26.024I1.45J-X26.155G1X-2.637Z-G2X24.705Y.05I-1.45X-2.492G1X-G3X10.Y-.05I0.J-G2X-.05Y24.705I0.J-G1G1G2X26.155Y-1.5I0.J-G3X.05Y10.I.05G1Y-G1X26.147Y-G2X1.5Y26.155I1.45X26.024Y-G1G2X24.596Y-4.905I-1.436X2.637G3X4.905Y-24.596I.109J-X3.656G2X3.657Y-26.024I-1.45G2X4.076Y25.899I-.123J-G1X2.637Y-X4.905Y24.596I-.621J-X2.492Y-G3X24.596Y4.905I19.8G2X26.024Y3.657I-.008J-G2X.05Y-24.705I0.G1X26.147G1Y-X26.155G3X-.05Y-10.I-.05G1Y-G2X24.705Y.05I-1.45G2X-1.5Y-26.155I-1.45G1G1X-G3X10.Y-.05I0.J-X-2.637Y-G1X-3.656Y-G2X26.155Y-1.5I0.J-G2X-4.076Y-25.899I.123G1Y-X-4.905Y-24.596I.621X26.147Y-G3X-24.596Y-4.905I-19.8J-X26.024Y-G2X-25.861Y-4.15I.008G2X24.596Y-4.905I-1.436X-26.022Y-3.655I1.175G3X4.905Y-24.596I.109J-G1X-26.147Y-G2X3.657Y-26.024I-1.45X-26.155Y-G1X2.637Y-Y-X2.492Y-G2X-24.705Y-.05I1.45G1X-G2X.05Y-24.705I0.G3X-10.Y.05I0.G1Y-G1X-G3X-.05Y-10.I-.05N865G1Y-N870G2X-1.5Y-26.155I-1.45J0.N875G1X-2.492N880X-2.637Y-26.144N885X-3.656Y-26.02N890G2X-4.076Y-25.899I.123J1.211N895X-4.905Y-24.596I.621J1.311N900G3X-24.596Y-4.905I-19.8J-.109N905G2X-25.861Y-4.15I.008J1.45N910X-26.022Y-3.655I1.175J.654N915G1X-26.147Y-2.637N920X-26.155Y-2.492N925Y-1.5N930G2X-24.705Y-.05I1.45J0.N935G1X-10.N940G3X-10.Y.05I0.J.05N945G1X-24.705N950G2X-26.155Y1.5I0.J1.45N955G1Y2.492N960X-26.147Y2.637N965X-26.024N970G2X-24.596Y4.905I1.436J-.202N975G3X-4.905Y24.596I-.109J19.8N980G2X-3.657Y26.024I1.45J-.008N985G1X-2.637Y26.144N990Y26.147Z-8.N995X-2.498Y26.151N1000X-2.492Y26.155N1005X-1.5N1010G2X-.4Y25.649I0.J-

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N45X17.5N50G81X17.5Y0.Z-12.502R3.F300.N55X-17.5N60N65G0N70%其他零件的加1、前后板等，所以我們?yōu)榱烁臃奖愕募庸?，我們自己設(shè)計了針對不同零件的夾具，為8mm 移動刀具使刀具側(cè)刃碰到工件AEOB移動刀具使刀具側(cè)刃碰到工件BEOB導(dǎo)入程序：使用U盤通過USB接口導(dǎo)入程序，啟床自動運行即可，在此過程中為防出現(xiàn)差錯，第三章套筒零件的CAD/CAM零件的三維造新建工作文 單 套筒中心圓柱的建單擊 套筒下方圓柱的建 令后并進(jìn)入草繪狀態(tài)選取DTM1面作為草繪平面草繪出如圖3-4套 套筒上方圓柱的建 令后并進(jìn)入草繪狀態(tài)選取DTM2面作為草繪平面草繪出如圖3-6套 令后并進(jìn)入草繪狀態(tài)選取DTM2面作為草繪平面草繪出如圖3-7套 套筒孔洞的建單擊 （1（2）套筒倒角與倒圓角的建單擊【【旋轉(zhuǎn)，選取RIGHT面作為草繪平面，并進(jìn)入草繪狀態(tài)，草繪出如圖3-10套 3-11零件的數(shù)控加分析零件的加工圖確定毛選擇加工機(jī)慮到機(jī)床的技術(shù)規(guī)格要與被加工的工件的尺寸相適應(yīng)、機(jī)床的精度要與被加工的工件要求的精度相適應(yīng)機(jī)床的生率應(yīng)與加工工的生產(chǎn)相機(jī)床的選用與自身濟(jì)實力適應(yīng)機(jī)的使鉆有φ20（+0.05/-0.05）的孔，上方圓柱上鉆M16的通孔，中心圓柱上鉆2個M10的通孔，下方圓柱M810刀具的選擇及112131M1641M1651M2061M1071M1081M2591M81M83-1確定數(shù)控加擬定工藝路銑削端面的時候分兩步，粗銑留余量0.5mm，精銑加工完成。而且數(shù)控機(jī)銑平面的時候123鏜φ1645鏜φ206鏜φ1078鏜φ259鏜φ83-23.2.8NCN5X-N10(/X-29.798Y14.243Z-N15G0G17G99N20G90G94N25G0G49N30T1M06N35S1500N40G0G43Z20.H1N45X-17.417Y14.243N50Z3.N55G1Z-2.

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