车削切削用量选取参考表.doc

车削切削用量选取参考表一、外圆车削背吃刀量选择表（端面切深减半）轴 径长 度100100250250500500800800120012002000半精精车半精精车半精精车半精精车半精精车半精精车100.80.20.90.210.310180.90.20.90.310.31.10.3183010.310.31.10.31.30.41.40.430501.10.310.31.10.41.30.51.50.61.70.650801.10.31.10.41.20.41.40.51.60.61.80.7801201.10.41.20.41.20.51.40.51.60.61.90.71201801.20.51.20.51.30.61.50.61.70.720.81802601.30.51.30.61.40.61.60.71.80.820.92603601.30.61.40.61.50.71.70.71.90.82.10.93605001.40.71.50.71.50.81.70.81.90.92.211、粗加工，表面粗糙度为Ra5012.5时，一次走刀应尽可能切除全部余量。2、粗车背吃刀量的最大值是受车床功率的大小决定的。中等功率机床可以达到810mm。二、高速钢及硬质合金车刀车削外圆及端面的粗车进给量工件材料车刀刀杆尺寸(mm)工件 直径 (mm)切 深3355881212进给量f mm/r碳素结构钢、合金结构钢、耐热钢1625200.30.4400.40.50.30.4600.50.70.40.60.30.51000.60.90.50.70.50.60.40.54000.81.20.710.60.80.50.62030 2525200.30.4400.40.50.30.4600.60.70.50.70.40.61000.810.70.90.50.70.40.74001.21.411.20.810.60.90.40.6铸铁及铜合金1625400.40.5600.60.80.50.80.40.61000.81.20.710.60.80.50.740011.411.20.810.60.82030 2525400.40.5600.60.90.50.80.40.71000.91.30.81.20.710.50.84001.21.81.21.611.30.91.10.70.91、断续切削、有冲击载荷时，乘以修正系数：k=0.750.85 。2、加工耐热钢及其合金时，进给量应不大于1mm/r。3、无外皮时，表内进给量应乘以系数：k1.1。 4、加工淬硬钢时，进给量应减小。硬度为HRC45-56时,乘以修正系数:0.8， 硬度为HRC57-62,乘以修正系数:k=0.5。三、按表面粗糙度选择进给量的参考值工件材料粗糙度等级（Ra）切削速度（m/min）刀尖圆弧半径0.512进给量f mm/r碳钢及合金碳钢105500.30.50.450.60.550.7500.40.550.550.650.650.752.5500.180.250.250.30.30.4500.250.30.30.350.350.52.51.25500.10.110.150.150.22501000.110.160.160.250.250.351000.160.20.20.250.250.35铸铁及铜合金105不限0.250.40.40.50.50.652.50.150.250.250.40.40.62.51.250.10.150.150.250.20.35注：适用于半精车和精车的进给量的选择四、车削切削速度参考数值表加工材料硬度背吃刀量p (mm)高速钢刀具硬质合金刀具陶瓷(超硬材料)刀具未涂层涂层v (m/min)f(mm/r)v(m/min)f(mm/r)材料v (m/min)f (mm/r)v(m/min)f(mm/r)说明焊接式可转位易切碳钢低碳100200155-900.18-0.21852402202750.18YT15320-4100.18550-7000.13切削条件好，可用冷压Al2O3陶瓷，较差时宜用Al2O3TiC热压混合陶瓷。下同。441-700.41351851602150.5YT14215-2750.4425-5800.25834-550.51101451301700.75YT5170-2200.5335-4900.4中碳1752251520.21652000.18YT153050.185200.134400.41251500.5YT142000.43950.258300.51001200.75YT51600.53050.4碳 钢低碳100200143-460.18140-150170-1950.18YT15260-2900.18520-5800.13434-330.4115-125135-1500.5YT14170-1900.4365-4250.25827-300.588-100105-1200.75YT5135-1500.5275-3650.4中碳175225134-400.18115-130150-1600.18YT15220-2400.18460-5200.13423-300.490-100115-1250.5YT14145-1600.4290-3500.25820-260.570-7890-1000.75YT5115-1250.5200-2600.4高碳175225130-370.18115-130140-1550.18YT15215-2300.18460-5200.13424-270.488-95105-1200.5YT14145-1500.4275-3350.25818-210.569-7684-950.75YT5115-1200.5185-2450.4合金钢低碳125225141-460.18135-150170-1850.18YT15220-2350.18520-5800.13432-370.4105-120135-1450.5YT14175-1900.4365-3950.25824-270.584-95105-1150.75YT5135-1450.5275-3350.4中碳175225134-410.18105-115130-1500.18YT15175-2000.18460-5200.13426-320.485-90105-1200.4-0.5YT14135-1600.4280-3600.25820-240.567-7382-950.5-0.75YT5105-1200.5220-2650.4高碳175225130-370.18105-115135-1450.18YT15175-1900.18460-5200.13424-270.484-90105-1150.5YT14135-1500.4275-3350.25817-210.566-7282-900.75YT5105-1200.5215-2450.4高强度钢225350120-260.1890-105115-1350.18YT15150-1850.18380-4400.13300HBS时宜用W12Cr4V5Co5及W2Mo9Cr4VCo8415-200.469-8490-1050.4YT14120-1350.4205-2650.25812-150.553-6669-840.5YT590-1050.5145-2050.4高速钢200225115-240.13-0.1876-10585-1250.18YW1,YT15115-1600.18420-4600.13加工W12Cr4V5Co5等高速钢时宜用W12Cr4V5Co5及W2Mo9Cr4VCo8412-200.25-0.460-8469-1000.4YW2,YT1490-1300.4250-2750.2589-150.4-0.546-6453-760.5YW3,YT569-1000.5190-2150.4不锈钢奥氏体135275118-340.1858-10567-1200.18YG3X,YW184-600.18275-4250.13225HBS时宜用W12Cr4V5Co5及W2Mo9Cr4VCo8415-270.449-10058-1050.4YG6,YW176-1350.4150-2750.25812-210.538-7646-840.5YG6,YW160-1050.590-1850.4马氏体175325120-440.1887-14095-1750.18YW1,YT15120-2600.18350-4900.13275HBS时宜用W12Cr4V5Co5及W2Mo9Cr4VCo8415-350.469-1575-1350.4YW1,YT15100-1700.4185-3350.25812-270.555-9058-1050.50.75YW2,YT1476-1350.5120-2450.4灰铸铁160260126-430.1884-135100-1650.18-0.25YG8,YW2130-1900.18395-5500.13-0.25190HBS时宜用W12Cr4V5Co5及W2Mo9Cr4VCo8417-270.469-11081-1250.4-0.5105-1600.4245-3650.25-0.4814-230.560-9066-1000.5-0.7584-1300.5185-2750.4-0.5可锻铸铁160240130-400.18120-160135-1850.25YW1,YT15185-2350.25305-3650.13-0.25423-300.490-120105-1350.5YW1,YT15135-1850.4230-2900.25-0.4818-240.576-10085-1150.75YW2,YT14105-1450.5150-2300.4-0.5铝合金301501245-3050.18550-610max0.25YG3X,YW1365-9150.075-0.15金刚石刀具p0.13-0.44215-2750.4425-5500.5YG6,YW1245-7600.15-0.3p0.4-1.258185-2450.5305-3651YG6,YW1150-4600.3-0.5p1.25-3.2铜合金140-1750.1884345903950.18YG3X,YW1305-14600.075-0.15金刚石刀具p0.13-0.4434-1450.469290763350.5YG6,YW1150-8550.15-0.3p0.4-1.25827-1200.564270703050.75YG8,YW290-5500.3-0.5p1.25-3.2钛合金300350112-24013YG3X,YW1高速钢采用W12Cr4V5Co5及W2Mo9Cr4VCo849-210.25325641660.2YG6,YW188-180.4244326490.25YG8,YW2高温合金2004750.83.6-14013YG3X,YW11850.075立方氮化硼刀具2.53-110.1894112490.18YG6,YW11350.13五、外圆车削时切削速度公式中的系数和指数选择表加工材料加工形式刀具材料进给量(mm/r)公式中的系数和指数CVXVyVm碳素结构钢b0.65GPa外圆纵车(Kr0)YT15(不用切削液)f0.32910.150.200.20f0.7242015035020f0.7235015045020外圆纵车(Kr0)高速钢(不用切削液)f0.256720250330125f0.25430250660125外圆纵车(Kr0)YT15(不用切削液)fp1980.300.150.18fp1980.150.300.18切断及切槽YT5(不用液)38080020切断及切槽高速钢(用液)21066025成型车削高速钢(用液)203050030耐热钢1Cr18Ni9Ti 141HB外圆纵车YG8(不用液)11002045015高速钢(用液)3102055015淬硬钢HRC50b1.65GPa外圆纵车YT15(不用切削液)f0.3533018040010灰铸铁 190HB外圆纵车(Kr0)YT15(不用切削液)f0.418980150202f0.41580150402高速钢(不用切削液)f0.252401503001f0.2522701504001外圆纵车(Kr0)YG6(用切削液)fp2080402028fp2080204028切断及切槽YG6(不用液)54.80.40.2高速钢(不用液)180.40.15可锻铸铁外圆纵车YG8(不用切削液)f0.420601502002f0.414001504502高速钢(用切削液)f0.25689020250125f0.2548802050125切断及切槽YG6(不用液)6880402高速钢(用液)37605025中等硬度非均质铜合金 100140HB外圆纵车高速钢(不用液)f0.2216012025028f0.2145.601205028硬青铜200240HB外圆纵车YG8(不用液)f0.47340.130.20.2f0.46480.20.40.2铝硅合金及铸铝合金外圆纵车YG8(不用液)f0.43880.120.250.28f0.42620.120.50.28注：1、内表面加工（镗孔、孔内