机加工工时计算

1、REV 00零零件件加加工工成成本本计计算算零件名称零件号Part NamePart Number图纸号版本号Drawing NoISSUE年用量零件材料Annual QTYMaterial切削成本Process工步名称机床单位时间切削成本切削时间工步成本车粗车0半精车0精车0铣粗铣0半精铣0精铣0钻钻孔0攻螺纹0镗粗镗0半精镗0精镗0铰粗铰0半精铰0精铰0磨平面磨0外圆磨0线切割0非切削成本项目机床单位时间非切削成本单项时间单项成本装夹0换刀0热处理0其它0总成本0总加工时间0计算日期计算币种RMBCalculate DateCurrency1、该表中每一种加工方式的理论工时为单道工步的切削

2、时间，仅用于参考，总的切削时间为所有工步切削时间的总和2、总加工成本可以参考以下计算公式： C总 = 单位时间机床的切削成本 * 切削时间 + 单位时间机床非切削成本 * 所有装夹、换刀等动作时间 + 其它非加工费用3、如果表中须输入的前提参数与实际有区别，可以在理论工时的基础上乘以难度系数，推荐难度系数为1.03.0车车硬硬质质合合金金车车刀刀车车外外、内内圆圆理理论论工工时时计计算算硬硬质质合合金金钻钻头头钻钻孔孔理理论论工工时时计计算算镗镗孔孔理理论论工工时时计计算算高高速速钢钢铰铰刀刀铰铰孔孔理理论论工工时时计计算算往往复复式式平平面面粗粗磨磨理理论论工工时时计计算算计计算算铣铣削削走

3、走刀刀路路径径长长度度硬硬质质合合金金车车刀刀车车外外、内内圆圆理理论论工工时时计计算算硬硬质质合合金金钻钻头头钻钻孔孔理理论论工工时时计计算算镗镗孔孔理理论论工工时时计计算算硬硬质质合合金金铰铰刀刀铰铰孔孔理理论论工工时时计计算算200待加工孔直径 mm6待加工孔深度 mm10刀具直径 mm6.0请请输输入入实实际际切切削削参参数数切切削削深深度度0.08铰铰削削余余量量0.25实实际际每每转转进进给给量量0.04实实际际主主轴轴转转速速2600.00理理论论工工时时 min0.384615385往往复复式式平平面面精精磨磨理理论论工工时时计计算算高高速速钢钢铰铰刀刀铰铰孔孔理理论论工工时时

4、计计算算往往复复式式平平面面粗粗磨磨理理论论工工时时计计算算高高速速钢钢粗粗铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算硬硬质质合合金金端端铣铣、周周粗粗铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算硬硬质质合合金金铰铰刀刀铰铰孔孔理理论论工工时时计计算算往往复复式式平平面面精精磨磨理理论论工工时时计计算算高高速速钢钢半半精精铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算硬硬质质合合金金端端铣铣、周周精精铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算硬硬质质合合金金立立铣铣刀刀半半精精铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算硬硬质质合合

5、金金立立铣铣刀刀半半精精铣铣平平面面、凸凸台台、凹凹槽槽理理论论工工时时计计算算零件参数推荐铣削参数请请输输入入实实际际切切削削参参数数工件材料硬质合金车刀下限上限下限上限下限ap mm0.22.02.04.06.0f mm0.10.30.30.60.6低碳钢热轧Vc m/min14018010012070中碳钢热轧1301609011060中碳钢调质100130709050中碳钢淬火60804060合金结构钢热轧100130709050合金结构钢调质80110507040工具钢退火90100608050不锈钢80100608050灰铸铁硬度10大0.200.300.30中0.150.250.

6、25小0.100.150.205-10大0.120.200.25中0.080.150.20小0.060.100.155中0.040.060.15小0.040.060.10圆盘铣刀钢铸铁及铜合金0.450.200.300.300.400.150.250.250.250.100.150.200.350.120.200.250.300.080.150.200.250.060.100.150.300.040.060.150.200.040.060.10粗齿和镶齿铣刀端铣刀铸铁及铜合金圆柱铣刀钢铸铁及铜合金0.450.250.350.350.400.200.300.300.250.150.200.250

7、.350.150.250.250.300.120.200.200.250.100.150.120.300.100.150.120.200.060.100.10粗齿和镶齿铣刀圆盘铣刀铸铁及铜合金细齿铣刀端铣刀钢铸铁及铜合金0.500.400.300.350.080.120.200.300.060.100.150.200.040.080.100.200.040.060.120.150.040.060.08粗齿和镶齿铣刀圆柱铣刀铸铁及铜合金圆盘铣刀钢铸铁及铜合金0.350.080.120.200.300.060.100.150.200.040.080.100.200.040.060.120.150.

8、040.060.08细齿铣刀端铣刀铸铁及铜合金圆柱铣刀钢铸铁及铜合金0.350.100.150.120.300.060.100.100.200.060.080.080.200.050.080.060.150.030.060.05细齿铣刀圆盘铣刀铸铁及铜合金0.200.150.120.120.10铸铁及铜合金大于10介于5到10小于5系统刚度大系统刚度大中系统刚度中等系统刚度中等系统刚度小系统刚度小系统刚度小细齿铣刀圆柱铣刀铸铁及铜合金要求表面粗糙度Ra镶齿端铣刀和圆盘铣刀圆柱铣刀铣刀直径 d0 mm40-80下40-80上100-125下100-125上160-250下160-250上40-8

9、0下钢及铸铁铸铁、铜及铝合金6.31.22.7 不推荐不推荐不推荐不推荐不推荐不推荐不推荐3.20.51.212.71.73.82.3511.60.230.50.61.512.11.32.80.640-80上100-125下100-125上160-250下160-250上实际刀具直径刀具直径范围110 100-125不推荐不推荐不推荐不推荐不推荐2.31.431.93.71.30.81.71.12.1圆柱铣刀铣刀直径 d0 mm铸铁、铜及铝合金机床功率钢铸铁及铜合金每齿进给量fz mm/zYT15下YT15上YT5下YT5上YG6下YG6上YG8下YG8上5到100.090.180.120.1

10、80.140.240.20.9大于100.120.180.160.240.180.280.250.38零件材料分类钢硬质合金牌号YT15YT5YG6YG8要求达到的表面粗糙度3.2下3.2上1.6下1.6上0.8下0.8上每转进给量 f mm/r0.510.40.60.20.30.4下0.4上0.150.15铣刀类型铣刀直径铣削宽度ac mm1-3上1-3下5.0上5.0下8.0上8.0下每齿进给量fz mm/z整体刀头立铣刀10-120.030.025NONENONENONENONE整体刀头立铣刀14-160.060.040.040.03NONENONE整体刀头立铣刀18-220.080.0

11、50.060.040.040.03镶齿立铣刀20-250.120.070.10.050.10.03镶齿立铣刀30-400.180.10.120.080.10.06镶齿立铣刀50-600.20.10.160.10.120.0812.0上12.0下整体刀头立铣刀 镶齿立铣刀10-1220-25NONENONE14-1630-40NONENONE18-2250-60NONENONE0.080.050.10.050.120.06步距平面圆弧轮廓平面凹槽5.01.001.50铣削宽度ac mm每齿进给量fz mm/z工件材料硬度HBS铣削速度 m/min硬质合金铣刀高速钢铣刀低、中碳钢220601502

12、040低、中碳钢225-290551151535低、中碳钢300-42535751015高碳钢220601302035高碳钢225-325501051525高碳钢325-37535501012高碳钢375-4253545510合金钢220551201535合金钢22532535801025合金钢3254253060510工具钢20025045801225灰铸铁1001401101152535灰铸铁150225601101520灰铸铁23029045901018灰铸铁3003202030510可锻铸铁1101601002004050可锻铸铁160200801202535可锻铸铁200240701

13、101525可锻铸铁24028040601020不锈钢70902035铝镁合金95100360600180300铸钢45751525黄铜1803006090青铜1803003050#精加工，表中速度可*1.3低、中碳钢高碳钢合金钢工具钢灰铸铁可锻铸铁 不锈钢铝镁合金 铸钢220220220200-250100-140110-16095-100225-290225-325225-325150-225160-200300-425325-375325-425230-290200-240375-425300-320240-280钢及铸钢铸铁黄铜青铜工件直径余量限度磨削前未经热处理的轴经热处理的轴轴的长

14、度100以下101-200201-400401-700100以下101-300301-600=10max0.2NONENONENONE0.25NONENONEmin0.1NONENONENONE0.15NONENONE1118max0.250.3NONENONE0.30.35NONEmin0.150.2NONENONE0.20.25NONE19-30max0.30.350.4NONE0.350.40.45min0.20.250.3NONE0.250.30.353150max0.30.350.40.450.40.50.55min0.20.250.30.350.250.30.45180max0.3

15、50.40.450.550.450.550.65min0.20.250.30.350.30.350.4581120max0.450.50.550.60.550.60.7min0.250.350.350.40.350.40.45121180max0.50.550.6NONE0.60.70.8min0.30.350.4NONE0.40.50.55181260max0.60.60.65NONE0.70.750.85min0.40.40.45NONE0.30.550.6轴长度1 轴长度2#REF!#REF!粗磨后精磨前精磨后研磨前601-1000NONE0.020.008NONE0.0150.005N

16、ONE0.0250.008NONE0.020.006NONE0.030.01NONE0.0250.0070.70.0350.010.50.0280.0080.750.0350.0130.50.0280.0080.80.040.0140.450.0320.01NONE0.0450.016NONE0.0380.012NONE0.050.02NONE0.040.015磨削前经热处理的轴轴的长度工件速度工件磨削表面直径20305080工件速度10201122122413切削深度ap mm工件磨削表面直径工件速度工件纵向进给量fa 以砂轮宽度计0.50.60.70.8工作台单行程磨削深度 ap mm/s

17、t20100.02160.0180.01540.0135150.01440.0120.01030.009200.01080.0090.00770.006830110.02220.01850.01580.0139160.01520.01270.01090.0096220.01110.00920.00790.00750120.02370.01970.01690.0148180.01570.01320.01130.0099240.01180.00980.00840.007480130.02420.02010.01720.0151190.01650.01380.01180.0103260.01260.

18、01010.00860.0078120140.02640.0220.01890.0165210.01760.01470.01260.011280.01320.0110.00950.0083200150.02870.02390.02050.018220.01960.01640.0140.0122300.01440.0120.01030.009300170.02870.02390.02050.0179250.01950.01620.01390.0121340.01430.01190.01020.008912020030026142815301734磨削深度ap的修正系数与砂轮耐用度及直径有关K1与

19、工件材料有关K2砂轮直径 ds mm工件材料系数耐用度 T/s4005006007503601.251.41.61.8 耐热钢0.8554011.121.251.4 淬火钢0.959000.80.911.12 非淬火钢114400.630.710.80.9 铸铁1.05工件磨削表面直径 工件速度20101520301116225012182480131926120122128200152230300172534工件速度工件速度 V m/min工件磨削表面直径dw mm加工材料非淬火钢及铸件淬火钢及耐热钢2015302030301835223550204025408025503050120306

20、035602003570407030040805080磨削深度ap mm工件磨削表面直径工件速度工件纵向进给量 fa mm/r1012.51620工作台单行程磨削深度ap mm/st20160.01120.0090.0070.0056200.0090.00720.00560.0045250.00720.00580.00450.0036320.00560.00450.00350.002830200.01090.00880.00690.0055250.00870.0070.00550.0044320.00680.00540.00430.0034400.00540.00430.00340.00275

21、0230.01230.00990.00770.0062290.00980.00790.00610.0049360.00790.00640.00490.004450.00630.00510.00390.003280250.01430.01150.0090.0072320.01120.0090.00710.0056400.0090.00720.00570.0045500.00720.00580.00460.0036120300.01460.01170.00920.0074380.01150.00930.00730.0058480.00910.00730.00580.0046600.00730.00

22、590.00470.0037200350.01620.01280.01010.0081440.01290.01020.0080.0065550.01030.00810.00640.0052700.0080.00640.0050.0041300400.01740.01390.01090.0087500.01390.01110.00870.007630.0110.00880.00690.0056700.00990.00790.00620.005磨削深度ap的修正系数与加工精度及余量有关K1精度等级直径余量 mm0.11-0.150.20.30.50.7IT50.40.50.630.81IT60.5

23、0.630.811.2IT70.630.811.251.5IT80.811.251.61.925324050630.00450.00350.00280.00220.00180.00360.00280.00220.00180.00140.00290.00220.00180.00140.00110.00230.00180.00140.00110.00090.00440.00340.00270.00220.00170.00350.00270.00220.00180.00140.00270.00210.00170.00140.00110.00220.00170.00140.00110.00090.00

24、490.00390.00310.00250.0020.00390.00310.00250.0020.00160.00320.00250.0020.00160.00130.00250.0020.00160.00130.0010.00580.00450.00360.00290.00230.00450.00350.00280.00230.00180.00360.00280.00220.00180.00140.00290.00220.00180.00140.00110.00590.00460.00370.00290.00230.00460.00360.00290.00230.00180.00370.0

25、0290.00230.00190.00150.0030.00230.00180.00150.00120.00650.00510.00410.00320.00260.00520.0040.00320.00260.00210.00420.00320.00260.00210.00170.00330.00250.0020.00160.00130.0070.00540.00440.00350.00280.00560.00430.00350.00280.00220.00440.00340.00280.00220.00180.00390.00310.00250.0020.0016与加工材料及砂轮直径有关K2

26、磨削深度ap mm工件纵向进给量 fa mm/r工作台单行程磨削深度ap mm/st磨削深度ap的修正系数与加工精度及余量有关K1加工材料砂轮直径 ds mm14005006007509001.12 耐热钢0.550.60.710.80.851.4 淬火钢0.80.911.11.21.75 非淬火钢0.951.11.21.31.452.25 铸铁1.31.451.61.751.9直径余量 mm加工性质加工面长度加工面宽度=100零件在装置时未经校准30010000.40.12100020000.50.15零件装置在夹具中或用千分表校准30010000.250.12100020000.30.15

27、平面磨削砂轮速度选择磨削形式工件材料粗磨圆周磨削灰铸铁2022钢2225端面磨削灰铸铁1518钢1820加工面长度加工面宽度300-1000100-30010030030010000.40.12NONE0.50.150.60.60.150.70.250.12NONE0.30.150.40.40.150.4精磨2225253018202025加工面宽度平面磨削砂轮速度选择NONE0.150.15NONE0.150.15加工面宽度3001000磨削深度 ap mm纵向进给量耐用度工件速度Vw m/min6810121620工作台单行程磨削深度 ap mm/st0.55400.06600.04900

28、.03900.03300.02400.01900.60.05500.04100.03300.02800.02000.01600.80.04100.03100.02400.02100.01500.01200.59000.05300.03800.03000.02600.01900.01500.60.04200.03200.02500.02100.01600.01300.80.03200.02400.01900.01600.01200.00960.514400.04000.03000.02400.02000.01500.01200.60.03400.02500.02000.01700.01300.0

29、1000.80.02500.01900.01500.01300.00940.00760.524000.03300.02300.01900.01600.01200.00930.60.02600.01900.01500.01300.00970.00780.80.01900.01500.01200.00980.00730.0059纵向进给量加工性质砂轮宽度bs mm3240506380100粗磨162420302538324440605075磨削深度ap的修正系数K1 与工件材料及砂轮直径有关工件材料砂轮直径 ds/mm320400500600耐热钢0.700.780.850.95淬火钢0.780.

30、870.951.06非淬火钢0.820.911.001.12铸铁0.860.961.051.17K2 与工作台充满系数Kf有关Kf0.200.250.320.400.500.63K21.601.401.251.121.000.900.801.000.800.71K2 与工作台充满系数Kf有关纵向进给量加工性质砂轮宽度 bs mm3240506380100工作台单行程纵向进给量fa mm/st精磨81610201225163220402550磨削深度工件速度工作台单行程纵向进给量 fa mm/st810121520253040工作台单行程磨削深度 ap mm/st50.0860.0690.058

31、0.0460.0350.0280.0230.01760.0720.0580.0460.0390.0290.0230.0190.01480.0540.0430.0350.0290.0220.0170.0150.011100.0430.0350.0280.0230.0170.0140.0120.0086120.0360.0290.0230.0190.0140.0120.00960.0072150.0290.0230.0180.0150.0120.00920.00760.0058200.0220.0170.0140.0120.00860.00690.00580.0043磨削深度 ap的修正系数K1

32、与加工精度及余量有关50尺寸精度/mm加工余量 mm0.10.120.150.250.30.0140.020.40.40.50.630.80.0120.030.50.50.630.810.00860.050.630.630.811.250.00690.080.80.811.251.60.0058K3 与工作台充满系数Kf有关0.0046Kf0.20.250.320.40.50.0035K31.61.41.251.121磨削深度工作台单行程纵向进给量 fa mm/st工作台单行程磨削深度 ap mm/stK2 与加工材料及砂轮直径有关工件材料砂轮直径0.40.50.60.732040050060

33、00.8111.25 耐热钢0.560.630.70.811.251.251.6 淬火钢0.80.911.11.251.61.62 非淬火钢0.961.11.21.31.6222.5 铸铁1.281.451.61.750.630.810.90.80.71磨削深度 ap的修正系数K1 与加工精度及余量有关加工余量 mmK3 与工作台充满系数Kf有关加工方式刀具材料 刀具类型铸铁钢、铸钢VfV粗高速钢刀头20350.3120镗刀块25400.30.8硬质合金刀头40800.3140镗刀块35600.30.8半精高速钢刀头25400.20.830镗刀块30400.20.6粗铰刀15252510硬质合

34、金刀头601000.20.880镗刀块50800.20.6粗铰刀305035精高速钢刀头15300.150.520镗刀块815146精铰刀10202510硬质合金刀头50800.150.560镗刀块2040148精铰刀30502.55铜、铝及其合金fV400.31100150120150600.31200250200250500.20.8150200150200200.5330501200.20.825030025030080120350.10.615020012142030200.5330501000.150.52002502014305050100钢、铸钢Vap mmf0.41.55-80

35、.41.55-80.41.55-80.415-80.211.5-30.211.5-3250.3-0.80.20.81.5-30.20.61.5-3350.3-0.8粗镗半精镗0.210.6-1.2刀头刀头140.6-1.2镗刀块镗刀块250.1-0.4粗铰刀0.150.50.6-1.2140.6-1.2250.1-0.4铜、铝及其合金精镗刀头镗刀块精铰刀铰刀直径mm低碳钢低合金钢120200HBS200300HBSfVf60.13230.190.18230.18120.2270.2150.25270.25190.3270.3220.33270.33250.51270.38工件材料材料硬度铰削余

36、量低碳钢120-200HBS铰孔直径低合金钢200-300HBS5高合金钢300-400HBS5-20软铸铁130HBS21-32中硬铸铁175HBS33-50硬铸铁230HBS51-70可锻铸铁铸造黄铜铸造铝合金及锌合金塑料不锈钢钛合金高合金钢300400HBSVfV180.17.5180.157.5210.189210.29210.259210.259210.39铰孔余量0.1-0.20.2-0.30.30.50.8低合金钢200300HBS软铸铁中硬铸铁130HBS175HBSfVfV0.1530.50.15260.230.50.2260.2536.50.25290.336.50.329

37、0.3836.50.38290.4336.50.43290.5136.50.5129硬铸铁可锻铸铁铸造黄铜230HBSfVfVf0.15210.1170.130.2210.18200.180.25240.2200.230.3240.25200.30.36240.3200.410.41240.33200.430.41240.38200.51铸造铝合金及锌合金塑料VfVfV460.15430.1321460.2430.1821520.25490.224520.3490.2524520.38490.324520.43490.3324520.51490.5124铸造黄铜不锈钢钛合金fVfV0.057.

38、50.1590.17.50.290.1590.25120.290.25120.25110.3120.3120.38180.36140.5118加工材料材料性能铰刀直径 mm切削深度进给量ap下ap上f下f上钢b=1000MPa1000MPa100.080.120.150.2510200.120.150.20.3520400.150.20.30.5铸钢b=700MPa100.080.120.150.2510200.120.150.20.3520400.150.20.30.5灰铸铁HBS=200200100.080.120.150.2510200.120.150.20.3520400.150.20

39、.30.5冷硬铸铁6580HS100.080.120.150.2510200.120.150.20.3520400.150.20.30.5黄铜100.080.120.150.2510200.120.150.20.3520400.150.20.30.5铸青铜100.080.120.150.2510200.120.150.20.3520400.150.20.30.5铜100.080.120.150.2510200.120.150.20.3520400.150.20.30.5铝合金si7%14%100.080.120.150.2510200.120.150.20.3520400.150.20.30.

40、5热塑性树脂100.090.120.150.2510200.140.150.20.3520400.180.20.30.5热固性树脂100.080.120.150.2510200.120.150.20.3520400.150.270.30.5切削速度钢b1000MPaV下V上铸钢b=700MPa612灰铸铁oHBS200冷硬铸铁65-80HS黄铜410铸青铜铜铝合金si14%610热塑性树脂热固性树脂815铰刀直径=50HRC0.010.020.020.03高锰钢0.030.05铸钢=7000.020.050.050.120.12不锈钢0.080.120.120.2耐热钢0.010.050.05

41、0.1镍铬钢较软10003000.080.120.120.2镍铬钢较硬14004200.040.050.050.08灰铸铁=800.060.10.10.180.18切削速度v m/min刀具直径 D mm3 88 2020 400.1225323038354010151218810101210160.1825323038354025272735365835404045152020250.34060507060800.1620402550306020102512300.06586108120.24045455050600.380100901101001200.250705575608050858

42、0850.25100120110130120140每转进给量f刀具直径 D mm20 40孔径范围余量限度磨削前未经淬火的孔经淬火的孔孔长 /mm505010010020020030050=10maxNONENONENONENONENONEminNONENONENONENONENONE1118max0.220.25NONENONE0.25min0.120.13NONENONE0.151930max0.280.28NONENONE0.3min0.150.15NONENONE0.183150max0.30.30.35NONE0.35min0.150.150.2NONE0.25180max0.30.

43、320.350.40.4min0.150.180.20.250.2881120max0.370.40.450.50.5min0.20.20.250.30.3121180max0.40.420.450.50.55min0.250.250.250.30.5181260max0.450.480.50.550.6min0.250.280.30.350.4内圆磨削砂轮速度选择砂轮直径5024262730磨削前经淬火的孔孔长 /mm内圆磨削砂轮速度选择工件速度工件磨削表面直径102030工件速度 m/min102010201224磨削深度 ap工件磨削表面直径工件速度工件纵向进给量fa（以砂轮宽度及）mm

44、/r0.50.60.70.8工作台一次往复行程磨削深度 ap mm/dst20100.00800.00670.00570.0050150.00530.00440.00380.0033200.00400.00330.00290.002525100.01000.00830.00720.0063150.00660.00550.00470.0041200.00500.00420.00360.003130110.01090.00910.00780.0068160.00750.00620.00530.0047200.00600.00500.00430.003835120.01160.00970.00830

45、.0073180.00780.00650.00560.0049200.00590.00490.00420.003740130.01230.01030.00880.0077200.00800.00670.00570.0050260.00620.00510.00440.003850140.01430.01190.01020.0089210.00960.00790.00680.0060290.00690.00570.00490.004360160.01500.01250.01070.0094240.01000.00830.00710.0063320.00750.00630.00540.0047801

46、70.01880.01570.01340.0117250.01280.01070.00920.0080330.00970.00810.00690.0061120200.02400.02000.01720.0150300.01600.01330.01140.0100400.01200.01000.00860.0075150220.02730.02270.01950.0170330.01820.01520.01300.0113440.01360.01130.00980.0085180250.02880.02400.02060.0179370.01940.01620.01390.0121490.01

47、470.01230.01050.0092200260.03080.02570.02200.0192380.02110.01750.01510.0132520.01540.01280.01100.0096250270.03700.03080.02640.0231400.02500.02080.01780.0156540.01850.01540.01320.0115300300.04000.03330.02860.0250420.02860.02380.02040.0178550.02180.01820.01560.0136400330.04850.04040.03450.0302440.0364

48、0.03030.02600.0227560.02860.02380.02040.01793005080120200300153018362040234628磨削深度ap的修正系数K1与砂轮耐用度有关K2与砂轮直径ds及工件孔径dw之比有关T/s=96150240360600 ds/dw0.4K11.2510.80.620.5 K20.63K3 与砂轮速度及工件材料有关工件材料Vs m/s1822.5=28=35耐热钢0.680.760.85淬火钢0.760.850.95非淬火钢0.80.91铸铁0.830.941.05工件速度4005635700.70.81工件速度磨削深度ap的修正系数K2与

49、砂轮直径ds及工件孔径dw之比有关工件速度 Vw m/min工件磨削表面直径工件材料非淬火钢及铸铁淬火钢及耐热钢1010161016151220122020163220323020402540502550305080306040601203570457020040805080300459055904005511065110磨削深度ap mm工件磨削表面直径dw/mm工件速度Vwm/min工件纵向进给量 fa mm/r1012.51620工作台一次往复行程磨削深度ap mm/dst1010 0.0038600.0030800.0024100.00193013 0.0029600.0023800.

50、0018600.00148016 0.0024100.0019300.0015000.0012101211 0.0046500.0037300.0029200.00233014 0.0036600.0029400.0022900.00183018 0.0028600.0022900.0017900.0014301613 0.0062200.0049700.0038900.00311019 0.0042500.0034000.0026500.00212026 0.0031000.0024800.0019500.0015502016 0.0062000.0049000.0038000.003100

51、24 0.0041000.0033000.0026000.00205032 0.0031000.0025000.0019300.0015502518 0.0067000.0054000.0042000.00340027 0.0045000.0036000.0028000.00220036 0.0034000.0027000.0021000.0016803020 0.0071000.0057000.0044000.00350030 0.0047000.0038000.0030000.00240040 0.0036000.0028000.0022000.0017803522 0.0075000.0

52、060000.0047000.00370033 0.0050000.0040000.0031000.00250045 0.0037000.0029000.0023000.0018204023 0.0081000.0065000.0051000.00410025 0.0053000.0042000.0033000.00270047 0.0039000.0032000.0025000.0019605025 0.0090000.0072000.0057000.00450037 0.0061000.0049000.0038000.00300050 0.0045000.0036000.0028000.0

53、023006027 0.0098000.0079000.0062000.00490041 0.0065000.0052000.0041000.00320055 0.0048000.0039000.0030000.0024008030 0.0112000.0089000.0070000.00560045 0.0077000.0061000.0048000.00380060 0.0058000.0046000.0036000.00290012035 0.0141000.0113000.0088000.00710052 0.0095000.0076000.0059000.00480070 0.007

54、1000.0057000.0044000.00350015037 0.0164000.0131000.0102000.00820056 0.0108000.0087000.0068000.00540075 0.0081000.0064000.0051000.00410018038 0.0189000.0151000.0118000.00940058 0.0124000.0099000.0078000.00620078 0.0092000.0074000.0057000.00460020040 0.0197000.0158000.0123000.00990060 0.0131000.010500

55、0.0082000.00660080 0.0099000.0079000.0062000.00490025042 0.0230000.0184000.0144000.01150063 0.0153000.0122000.0096000.00770085 0.0113000.0091000.0071000.00570030045 0.0253000.0202000.0158000.01260067 0.0169000.0135000.0106000.00850090 0.0126000.0101000.0079000.00630040055 0.0266000.0213000.0166000.01330082 0.0179000.0143000.0112000.009000110 0.0133000.0106000.0083000.00670080磨削深度修正系数K1 与直径余量和加工精度有关K2 与加工材料和表面形状有关精度等级直径余量工件材料表面IT60.20.30.40.50.8无圆角IT7耐热钢0.7IT8淬火钢1IT9非淬火钢1.2铸铁1.6253240500.0015400.0