車削切削用量選取參考表一、外圓車削背吃刀量選擇表（端面切深減半）軸 徑長(zhǎng) 度100100250250500500800800120012002000半精精車半精精車半精精車半精精車半精精車半精精車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，表面粗糙度為Ra5012.5時(shí)，一次走刀應(yīng)盡可能切除全部余量。2、粗車背吃刀量的最大值是受車床功率的大小決定的。中等功率機(jī)床可以達(dá)到810mm。二、高速鋼及硬質(zhì)合金車刀車削外圓及端面的粗車進(jìn)給量工件材料車刀刀桿尺寸(mm)工件 直徑 (mm)切 深3355881212進(jìn)給量f mm/r碳素結(jié)構(gòu)鋼、合金結(jié)構(gòu)鋼、耐熱鋼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鑄鐵及銅合金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、斷續(xù)切削、有沖擊載荷時(shí)，乘以修正系數(shù)：k=0.750.85 。2、加工耐熱鋼及其合金時(shí)，進(jìn)給量應(yīng)不大于1mm/r。3、無外皮時(shí)，表內(nèi)進(jìn)給量應(yīng)乘以系數(shù)：k1.1。 4、加工淬硬鋼時(shí)，進(jìn)給量應(yīng)減小。硬度為HRC45-56時(shí),乘以修正系數(shù):0.8， 硬度為HRC57-62,乘以修正系數(shù):k=0.5。三、按表面粗糙度選擇進(jìn)給量的參考值工件材料粗糙度等級(jí)（Ra）切削速度（m/min）刀尖圓弧半徑0.512進(jìn)給量f mm/r碳鋼及合金碳鋼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鑄鐵及銅合金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：適用于半精車和精車的進(jìn)給量的選擇四、車削切削速度參考數(shù)值表加工材料硬度背吃刀量p (mm)高速鋼刀具硬質(zhì)合金刀具陶瓷(超硬材料)刀具未涂層涂層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)說明焊接式可轉(zhuǎn)位易切碳鋼低碳100200155-900.18-0.21852402202750.18YT15320-4100.18550-7000.13切削條件好，可用冷壓Al2O3陶瓷，較差時(shí)宜用Al2O3TiC熱壓混合陶瓷。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 鋼低碳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合金鋼低碳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高強(qiáng)度鋼225350120-260.1890-105115-1350.18YT15150-1850.18380-4400.13300HBS時(shí)宜用W12Cr4V5Co5及W2Mo9Cr4VCo8415-200.469-8490-1050.4YT14120-1350.4205-2650.25812-150.553-6669-840.5YT590-1050.5145-2050.4高速鋼200225115-240.13-0.1876-10585-1250.18YW1,YT15115-1600.18420-4600.13加工W12Cr4V5Co5等高速鋼時(shí)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不銹鋼奧氏體135275118-340.1858-10567-1200.18YG3X,YW184-600.18275-4250.13225HBS時(shí)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馬氏體175325120-440.1887-14095-1750.18YW1,YT15120-2600.18350-4900.13275HBS時(shí)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灰鑄鐵160260126-430.1884-135100-1650.18-0.25YG8,YW2130-1900.18395-5500.13-0.25190HBS時(shí)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可鍛鑄鐵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鋁合金301501245-3050.18550-610max0.25YG3X,YW1365-9150.075-0.15金剛石刀具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銅合金140-1750.1884345903950.18YG3X,YW1305-14600.075-0.15金剛石刀具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鈦合金300350112-240.13386649760.13YG3X,YW1高速鋼采用W12Cr4V5Co5及W2Mo9Cr4VCo849-210.25325641660.2YG6,YW188-180.4244326490.25YG8,YW2高溫合金2004750.83.6-140.13124914580.13YG3X,YW11850.075立方氮化硼刀具2.53-110.1894112490.18YG6,YW11350.13五、外圓車削時(shí)切削速度公式中的系數(shù)和指數(shù)選擇表加工材料加工形式刀具材料進(jìn)給量(mm/r)公式中的系數(shù)和指數(shù)CVXVyVm碳素結(jié)構(gòu)鋼b0.65GPa外圓縱車(Kr0)YT15(不用切削液)f0.32910.150.200.20f0.7242015035020f0.7235015045020外圓縱車(Kr0)高速鋼(不用切削液)f0.256720250330125f0.25430250660125外圓縱車(Kr0)YT15(不用切削液)fp1980.300.150.18fp1980.150.300.18切斷及切槽YT5(不用液)38080020切斷及切槽高速鋼(用液)21066025成型車削高速鋼(用液)203050030耐熱鋼1Cr18Ni9Ti 141HB外圓縱車YG8(不用液)11002045015高速鋼(用液)3102055015淬硬鋼HRC50b1.65GPa外圓縱車YT15(不用切削液)f0.3533018040010灰鑄鐵 190HB外圓縱車(Kr0)YT15(不用切削液)f0.418980150202f0.41580150402高速鋼(不用切削液)f0.252401503001f0.2522701504001外圓縱車(Kr0)YG6(用切削液)fp2080402028fp2080204028切斷及切槽YG6(不用液)54.80.40.2高速鋼(不用液)180.40.15可鍛鑄鐵外圓縱車YG8(不用切削液)f0.420601502002f0.414001504502高速鋼(用切削液)f0.25689020250125f0.2548802050125切斷及切槽YG6(不用液)6880402高速鋼(用液)37605025中等硬度非均質(zhì)銅合金 100140HB外圓縱車高速鋼(不用液)f0.2216012025028f0.2145.601205028硬青銅200240HB外圓縱車YG8(不用液)f0.47340.130.20.2f0.46480.20.40.2鋁硅合金及鑄鋁合金外圓縱車YG8(不用液)f0.43880.120.250.28f0.42620.120.50.28注：1、內(nèi)表面加工（鏜孔、孔內(nèi)切槽 、內(nèi)表面成形車削）時(shí)，用外圓加工的車削 速度乘以系數(shù)0.9。 2、用高速鋼車刀加工結(jié)構(gòu)鋼、不銹鋼及鑄鋼，不用切削液時(shí)，車削速度乘以 系數(shù)0.8。 3、用YT車刀對(duì)鋼件切斷及切槽使用切削液時(shí)，車削速度乘以系數(shù)1.4。 4、成形車削深輪廓及復(fù)雜輪廓工件時(shí)，切削速度乘以系數(shù)0.85。 5、用高速鋼車刀加工熱處理鋼件時(shí)，車削速度應(yīng)減少：正火，乘以系數(shù)0.95； 退火，乘以系數(shù)0.9；調(diào)質(zhì)，乘以系數(shù)0.8。 6、加工鋼和鑄鐵的機(jī)械性能改變時(shí)，車削速度的修正系數(shù)kMv可按表鋼和鑄鐵的強(qiáng)度和硬度改變時(shí)車削速度的修正系數(shù)kM計(jì)算。7、其他加工條件改變時(shí)，車削速度的修正系數(shù)見表車削條件改變時(shí)的修正系數(shù)。 六、車床切削速度計(jì)算表加工材質(zhì)刀具材質(zhì)切削速度公式中系數(shù)和指數(shù)工作材料修正系數(shù)材質(zhì)分類（鋼或鐵）鋼的強(qiáng)度或鑄鐵的硬度CVXVyVmkMv1kMv2kMv3kMv4kMv51112910.150.20.20.650000工件最大外圓直徑（mm）刀具耐用度T（min）速度計(jì)算的修正系數(shù)切深p（mm)進(jìn)給量f（mm/r）kMvksvkivkkrk,rvkrvkBvkkv150600.6511111110.50.2KVTmpxvfyv切削速度 v(m/min)主軸轉(zhuǎn)速（r/min)0.652.270.900.72128270注：1、有批注的所有表格均需錄入數(shù)據(jù)。 2、計(jì)算所得的切削速度需進(jìn)一步與切削速度參考表進(jìn)行比較、優(yōu)化。 3、上述計(jì)算中：