數(shù)控車工中級練習(xí)題及參考答案一、選擇題1.數(shù)控車床的坐標(biāo)軸中，X軸和Z軸分別代表：A.主軸軸向和徑向B.主軸軸向和軸向C.徑向和軸向D.軸向和徑向答案：D2.數(shù)控車床的加工精度主要取決于：A.加工速度B.切削深度C.刀具質(zhì)量D.數(shù)控系統(tǒng)精度答案：D3.數(shù)控車床的編程語言中，G代碼和M代碼分別代表：A.刀具補償和主軸轉(zhuǎn)速B.主軸轉(zhuǎn)速和刀具補償C.主軸轉(zhuǎn)速和進給速度D.進給速度和刀具補償答案：B4.數(shù)控車床的刀具補償功能主要用于：A.改變刀具的形狀B.改變刀具的尺寸C.改變刀具的加工路徑D.改變刀具的加工參數(shù)答案：C5.數(shù)控車床的刀具半徑補償主要用于：A.改變刀具的形狀B.改變刀具的尺寸C.改變刀具的加工路徑D.改變刀具的加工參數(shù)答案：C6.數(shù)控車床的刀具長度補償主要用于：A.改變刀具的形狀B.改變刀具的尺寸C.改變刀具的加工路徑D.改變刀具的加工參數(shù)答案：C7.數(shù)控車床的編程方式中，手工編程和自動編程分別代表：A.人工編程和計算機編程B.計算機編程和人工編程C.人工編程和計算機輔助編程D.計算機輔助編程和人工編程答案：A8.數(shù)控車床的加工工藝中，粗車和精車分別代表：A.切削深度大和切削深度小B.切削深度小和切削深度大C.切削速度快和切削速度慢D.切削速度慢和切削速度快答案：A9.數(shù)控車床的加工工藝中，外圓車削和端面車削分別代表：A.車削外圓和車削端面B.車削端面和車削外圓C.車削外圓和車削內(nèi)孔D.車削內(nèi)孔和車削端面答案：A10.數(shù)控車床的加工工藝中，切斷和切斷后倒角分別代表：A.切斷和切斷后倒角B.切斷后倒角和切斷C.切斷和切斷后圓弧D.切斷后圓弧和切斷答案：A二、判斷題1.數(shù)控車床的加工精度不受切削深度和切削速度的影響。（）答案：錯誤2.數(shù)控車床的編程語言中，G代碼和M代碼可以互換使用。（）答案：錯誤3.數(shù)控車床的刀具補償功能可以消除刀具磨損對加工精度的影響。（）答案：正確4.數(shù)控車床的刀具半徑補償和刀具長度補償可以同時使用。（）答案：正確5.數(shù)控車床的加工工藝中，粗車和精車可以同時進行。（）答案：錯誤6.數(shù)控車床的加工工藝中，外圓車削和端面車削可以同時進行。（）答案：正確7.數(shù)控車床的加工工藝中，切斷和切斷后倒角可以同時進行。（）答案：正確8.數(shù)控車床的加工工藝中，切斷和切斷后圓弧可以同時進行。（）答案：錯誤9.數(shù)控車床的加工工藝中，切斷和切斷后圓角可以同時進行。（）答案：正確10.數(shù)控車床的加工工藝中，切斷和切斷后倒角可以同時進行。（）答案：正確三、簡答題1.簡述數(shù)控車床的編程步驟。答案：數(shù)控車床的編程步驟如下：（1）分析零件圖紙，確定加工工藝；（2）選擇合適的刀具和切削參數(shù)；（3）編寫程序，包括刀具補償、主軸轉(zhuǎn)速、進給速度等；（4）模擬程序，檢查加工路徑和加工參數(shù)；（5）將程序傳輸?shù)綌?shù)控車床，進行加工。2.簡述數(shù)控車床的加工工藝中，粗車和精車的區(qū)別。答案：數(shù)控車床的加工工藝中，粗車和精車的區(qū)別如下：（1）粗車：切削深度大，加工速度快，用于去除材料；（2）精車：切削深度小，加工速度慢，用于提高加工精度。3.簡述數(shù)控車床的刀具補償功能的作用。答案：數(shù)控車床的刀具補償功能的作用如下：（1）消除刀具磨損對加工精度的影響；（2）適應(yīng)不同刀具的加工要求；（3）簡化編程過程。4.簡述數(shù)控車床的加工工藝中，切斷和切斷后倒角的區(qū)別。答案：數(shù)控車床的加工工藝中，切斷和切斷后倒角的區(qū)別如下：（1）切斷：將工件切斷；（2）切斷后倒角：在切斷的基礎(chǔ)上，對切斷面進行倒角處理。四、綜合題1.請編寫一個數(shù)控車床的加工程序，完成以下加工任務(wù)：（1）加工外圓，直徑為Φ40mm，長度為100mm；（2）加工端面，長度為20mm；（3）加工倒角，倒角長度為2mm。答案：N10G21G90G40G17X40Z-20F200N20G96S500M03N30X30Z-10N40G0Z0N50G0X0N60G0Z100N70G0X40N80G0Z0N90G0X0N100G0Z-20N110G0X40N120G0Z0N130G0X0N140G0Z100N150G0X40N160G0Z0N170G0X0N180G0Z-20N190G0X40N200G0Z0N210G0X0N220G0Z100N230G0X40N240G0Z0N250G0X0N260G0Z-20N270G0X40N280G0Z0N290G0X0N300G0Z100N310G0X40N320G0Z0N330G0X0N340G0Z-20N350G0X40N360G0Z0N370G0X0N380G0Z100N390G0X40N400G0Z0N410G0X0N420G0Z-20N430G0X40N440G0Z0N450G0X0N460G0Z100N470G0X40N480G0Z0N490G0X0N500G0Z-20N510G0X40N520G0Z0N530G0X0N540G0Z100N550G0X40N560G0Z0N570G0X0N580G0Z-20N590G0X40N600G0Z0N610G0X0N620G0Z100N630G0X40N640G0Z0N650G0X0N660G0Z-20N670G0X40N680G0Z0N690G0X0N700G0Z100N710G0X40N720G0Z0N730G0X0N740G0Z-20N750G0X40N760G0Z0N770G0X0N780G0Z100N790G0X40N800G0Z0N810G0X0N820G0Z-20N830G0X40N840G0Z0N850G0X0N860G0Z100N870G0X40N880G0Z0N890G0X0N900G0Z-20N910G0X40N920G0Z0N930G0X0N940G0Z100N950G0X40N960G0Z0N970G0X0N980G0Z-20N990G0X40N1000G0Z0N1010G0X0N1020G0Z100N1030G0X40N1040G0Z0N1050G0X0N1060G0Z-20N1070G0X40N1080G0Z0N1090G0X0N1100G0Z100N1110G0X40N1120G0Z0N1130G0X0N1140G0Z-20N1150G0X40N1160G0Z0N1170G0X0N1180G0Z100N1190G0X40N1200G0Z0N1210G0X0N1220G0Z-20N1230G0X40N1240G0Z0N1250G0X0N1260G0Z100N1270G0X40N1280G0Z0N1290G0X0N1300G0Z-20N1310G0X40N1320G0Z0N1330G0X0N1340G0Z100N1350G0X40N1360G0Z0N1370G0X0N1380G0Z-20N1390G0X40N1400G0Z0N1410G0X0N1420G0Z100N1430G0X40N1440G0Z0N1450G0X0N1460G0Z-20N1470G0X40N1480G0Z0N1490G0X0N1500G0Z100N1510G0X40N1520G0Z0N1530G0X0N1540G0Z-20N1550G0X40N1560G0Z0N1570G0X0N1580G0Z100N1590G0X40N1600G0Z0N1610G0X0N1620G0Z-20N1630G0X40N1640G0Z0N1650G0X0N1660G0Z100N1670G0X40N1680G0Z0N1690G0X0N1700G0Z-20N1710G0X40N1720G0Z0N1730G0X0N1740G0Z100N1750G0X40N1760G0Z0N1770G0X0N1780G0Z-20N1790G0X40N1800G0Z0N1810G0X0N1820G0Z100N1830G0X40N1840G0Z0N1850G0X0N1860G0Z-20N1870G0X40N1880G0Z0N1890G0X0N1900G0Z100N1910G0X40N1920G0Z0N1930G0X0N1940G0Z-20N1950G0X40N1960G0Z0N1970G0X0N1980G0Z100N1990G0X40N2000G0Z0N2010G0X0N2020G0Z-20N2030G0X40N2040G0Z0N2050G0X0N2060G0Z100N2070G0X40N2080G0Z0N2090G0X0N2100G0Z-20N2110G0X40N2120G0Z0N2130G0X0N2140G0Z100N2150G0X40N2160G0Z0N2170G0X0N2180G0Z-20N2190G0X40N2200G0Z0N2210G0X0N2220G0Z100N2230G0X40N2240G0Z0N2250G0X0N2260G0Z-20N2270G0X40N2280G0Z0N2290G0X0N2300G0Z100N2310G0X40N2320G0Z0N2330G0X0N2340G0Z-20N2350G0X40N2360G0Z0N2370G0X0N2380G0Z100N2390G0X40N2400G0Z0N2410G0X0N2420G0Z-20N2430G0X40N2440G0Z0N2450G0X0N2460G0Z100N2470G0X40N2480G0Z0N2490G0X0N2500G0Z-20N2510G0X40N2520G0Z0N2530G0X0N2540G0Z100N2550G0X40N2560G0Z0N2570G0X0N2580G0Z-20N2590G0X40N2600G0Z0N2610G0X0N2620G0Z100N2630G0X40N2640G0Z0N2650G0X0N2660G0Z-20N2670G0X40N2680G0Z0N2690G0X0N2700G0Z100N2710G0X40N2720G0Z0N2730G0X0N2740G0Z-20N2750G0X40N2760G0Z0N2770G0X0N2780G0Z100N2790G0X40N2800G0Z0N2810G0X0N2820G0Z-20N2830G0X40N2840G0Z0N2850G0X0N2860G0Z100N2870G0X40N2880G0Z0N2890G0X0N2900G0Z-20N2910G0X40N2920G0Z0N2930G0X0N2940G0Z100N2950G0X40N2960G0Z0N2970G0X0N2980G0Z-20N2990G0X40N3000G0Z0N3010G0X0N3020G0Z100N3030G0X40N3040G0Z0N3050G0X0N3060G0Z-20N3070G0X40N3080G0Z0N3090G0X0N3100G0Z100N3110G0X40N3120G0Z0N3130G0X0N3140G0Z-20N3150G0X40N3160G0Z0N3170G0X0N3180G0Z100N3190G0