常用尺寸公差摘录

1、常用尺寸公差摘录塑料件尺寸公差表（摘自GB/T14486-93）公基本尺寸差6101418243040506580100120等0 33 6101418243040506580100120140级MT10.070.080.090.100.110.120.140.160.180.200.230.260.290.320.140.160.180.200.210.220.240.260.280.300.330.360.390.42MT20.100.120.140.160.180.200.220.240.260.300.340.380.420.460.200.220.240.260.280.300.32

2、0.340.360.400.440.480.520.56MT30.120.140.160.180.200.240.280.320.360.400.460.520.580.640.320.340.360.380.400.440.480.520.560.600.660.720.780.84MT40.160.180.200.240.280.320.360.420.480.560.640.720.820.920.360.380.400.440.480.520.560.620.680.760.840.921.021.12MT50.200.240.280.320.380.440.500.560.640.7

3、40.861.001.141.280.400.440.480.520.580.640.700.760.840.941.061.201.341.48MT60.260.320.380.460.540.620.700.800.941.101.281.481.722.000.460.520.580.680.740.820.901.001.141.301.481.681.922.20MT70.380.480.580.680.780.881.001.141.321.541.802.102.402.700.580.680.780.880.981.081.201.341.521.742.002.302.603

4、.10（续 上表）塑料件尺寸公差表（摘自GB/T14486-93）公差公基本尺寸等级差140160180200225250280315355400450种类160180200225250280315355400450500MT1A0.360.400.440.480.520.560.600.640.700.780.86B0.460.500.540.580.620.660.700.740.800.880.96MT2A0.500.540.600.660.720.760.840.921.001.101.20B0.600.640.700.760.820.860.941.021.101.201.30MT3

5、A0.700.780.860.921.001.101.201.301.401.601.74B0.900.981.061.121.201.301.401.501.641.801.94MT4A1.021.121.241.361.481.621.802.002.202.402.60B1.221.321.441.561.681.822.002.202.402.602.80MT5A1.441.601.761.922.102.302.502.803.103.503.90B1.641.801.962.122.302.502.703.003.303.704.10MT6A2.202.402.602.903.20

6、3.503.804.304.705.306.00B2.402.602.803.103.403.704.004.504.905.506.20MT7A3.003.303.704.104.504.905.406.006.707.408.20B3.203.503.904.304.705.105.606.206.907.608.40注： 1 ）、A 为不受模具活动部分影响的尺寸公差值；B 为受模具活动部分影响的尺寸公差值；2 ）、公差等级按下页常用材料模塑件公差等级选用表确定。1常用尺寸公差摘录常用材料模塑件公差等级选用表（摘自GB/T14486-93）塑 料公差等级模塑材料未注公差尺寸未注公备 注代

7、号高精度一般精度差尺寸ABS丙烯晴丁二烯苯乙烯共聚物MT2MT3MT5AS丙烯晴苯乙烯共聚物MT2MT3MT5制透明罩、外壳CA醋酸纤维素塑料MT3MT4MT6EP环氧树脂MT2MT3MT5PAPA6、 PA66(尼龙类塑料 )无填料填充MT3MT4MT6PA46 聚酰氨均聚物玻璃纤维填充MT2MT3MT5PC聚碳酸脂 (PC5509 透明、耐电弧 )MT2MT3MT5（耐连续高温 120）PDAP聚邻苯二甲酸二烯脂MT2MT3MT5PE聚乙烯MT5MT6MT7PESL聚醚砜MT2MT3MT5PBT聚对苯二甲酸丁二醇脂无填料填充MT3MT4MT6作绝缘件、外壳PET(PET 为影视胶片、带材料

8、 )玻璃纤维填充MT2MT3MT5PF酚醛塑料无机填料填充MT2MT3MT5有机填料填充MT3MT4MT4PMMA聚甲基丙烯酸甲脂MT2MT3MT5POM聚甲醛模塑料（自润滑性好） （耐 150mmMT3MT4MT6可作传动零件连续高温 85） 150mmMT4MT5MT7PP聚丙烯无填料填充MT3MT4MT6无机填料填充MT2MT3MT5PPO聚苯醚（耐连续高温110）MT2MT3MT5PPS聚苯硫醚（耐连续高温250）（作牵引杆）MT2MT3MT5制件需高温处理PS聚苯乙烯（透明）MT2MT3MT5制透明罩、外壳PSF聚砜（耐热、高强度、低翘曲）MT2MT3MT5（耐连续高温 120）RP

9、VC硬质聚氯乙烯（无强塑料）MT2MT3MT5SPVC软质聚氯乙烯MT5MT6MT7VF/MF氨基酸料和氨基酚醛塑料无机填料填充MT2MT3MT5脲甲醛（ VF）， 三（热固性模塑料）有机填料填充MT3MT4MT6聚氰胺脲甲醛（ MF）DMC-3不饱和聚脂玻璃纤维模塑料玻璃纤维填充MT2MT3MT5耐电弧DF553热固性模塑料MT2MT3MT5耐电弧SMC-1热固性模塑料MT2MT3MT5耐电弧DF551热固性模塑料MT2MT3MT5耐电弧2常用尺寸公差摘录平冲压件尺寸公差表（摘自GB/T13914-1992）冲裁基本尺寸材料厚度公差等级 （ 注：公差等级按 平冲压件尺寸公差等级选用表确定。）

10、大于至大于至ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST11-0.50.0080.0100.0150.0200.0300.0400.0600.0800.120.16-10.510.010.0150.020.030.040.060.080.120.160.24-11.50.0150.020.030.040.060.080.120.160.240.34-0.50.0120.0180.0260.0360.050.070.100.140.200.280.40130.510.0180.0260.0360.050.070.100.140.200.280.400.56130.0260.

11、0360.050.070.100.140.200.280.400.560.78340.0340.050.070.090.130.180.260.360.500.700.98-0.50.0180.0260.0360.050.0700.100.140.200.280.400.560.510.0260.0360.050.070.100.10.0.200.280.400.560.78310130.0360.050.070.100.140.200.280.400.560.781.10360.0460.060.090.130.180.260.360.480.680.981.4060.060.080.110

12、.160.220.300.420.600.841.201.60-0.50.0260.0360.050.070.100.140.200.280.400.560.780.510.0360.050.070.100.140.200.280.400.560.781.101025130.050.070.100.140.200.280.400.560.781.101.50360.060.090.130.180.260.360.500.701.001.402.0060.080.120.160.220.320.440.600.881.201.602.40-0.50.0360.050.070.100.140.20

13、0.280.400.560.781.100.510.050.070.100.140.200.280.400.560.781.101.502563130.070.100.140.200.280.400.560.781.101.502.10360.090.120.180.260.360.500.700.981.402.002.8060.110.160.220.300.440.600.861.201.602.203.00-0.50.040.060.090.120.180.260.360.500.700.981.400.510.060.090.120.180.260.360.500.700.981.4

14、02.0063160130.090.120.180.260.360.500.700.981.402.002.80360.120.160.240.320.460.640.901.301.802.503.6060.140.200.280.400.560.781.101.502.102.904.20-0.50.060.090.120.180.260.360.500.700.981.402.000.510.090.120.180.260.360.500.700.981.402.002.80160400130.120.180.260.360.500.701.001.402.002.804.00360.1

15、60.240.320.460.640.901.301.802.603.604.8060.200.280.400.560.781.101.502.102.904.205.60-0.50.090.120.180.240.340.480.660.941.301.802.600.510.180.240.340.480.660.941.301.802.603.604001000130.240.340.480.660.941.301.802.603.605.00360.320.450.620.881.201.602.403.404.606.6060.340.480.701.001.402.002.804.

16、005.607.803常用尺寸公差摘录成形冲压件尺寸公差表（摘自GB/T13914-1992）弯形基本尺寸板材厚度公差等级大于至大于至FT1FT2FT3FT4FT5FT6FT7FT8FT9FT100.50.010.0160.0260.040.060.100.160.260.400.6010.510.0140.0220.0340.050.090.140.220.340.500.9011.50.020.030.050.080.120.200.320.500.901.400.50.0160.0260.040.070.110.180.280.440.701.00130.510.0220.0360.06

17、0.090.140.240.380.600.901.40130.0320.050.080.120.200.340.540.861.202.00340.040.070.110.180.280.440.701.101.802.800.50.0220.0360.060.090.140.240.380.600.961.403100.510.0320.050.080.120.200.340.540.861.402.20130.050.070.110.180.300.480.761.202.003.20360.060.090.140.240.380.601.001.602.604.0060.070.110

18、.180.280.440.701.101.802.804.400.50.030.050.080.120.200.320.500.801.202.0010250.510.040.070.110.180.280.460.721.101.802.80130.060.100.160.260.400.641.001.602.604.00360.080.120.200.320.500.801.202.003.205.0060.100.140.240.400.621.001.602.604.006.400.50.040.060.100.160.260.400.641.001.602.6025630.510.

19、060.090.140.220.360.580.901.402.203.60130.080.120.200.320.500.801.202.003.205.00360.100.160.260.400.661.001.602.604.006.4060.110.180.280.460.761.202.003.205.008.000.50.050.080.140.220.360.560.901.402.203.60631600.510.070.120.190.300.480.781.202.003.205.00130.100.160.260.420.681.101.3020804.407.00360

20、.140.220.340.540.881.402.203.405.609.0060.150.240.380.621.001.602.604.006.6010.000.50.0100.160.260.420.701.101.802.804.401604000.510.140.240.380.621.001.602.604.006.40130.220.340.540.881.402.203.405.609.00360.280.440.701.101.802.804.407.0011.0060.340.540.881.402.203.405.609.0014.000.50.240.380.621.0

21、01.602.604.006.6040010000.510.340.540.881.402.203.405.609.00130.440.701.101.802.804.407.0011.00360.560.901.402.203.405.609.0014.0060.621.001.602.604.006.4010.0016.00注：公差等级按成形冲压件公差等级选用表确定4常用尺寸公差摘录平冲压件尺寸公差等级选用表（摘自GB/T13914-1992）冲裁加工方尺寸类型公差等级法ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST11外形精密冲内形裁孔中心距孔 边 距外形普通内形冲裁

22、孔中心距孔 边 距成形冲外形压平面内形冲裁孔中心距孔边距成形冲压件尺寸公差等级选用表（摘自GB/T13914-1992）弯形加工公差等级尺寸类型方法FT5 FT6FT7FT8FT9FT10FT1 FT2 FT3 FT4直径拉深高度直径带凸缘高度弯曲长度直径其它成形高度方法长度5常用尺寸公差摘录冲压件冲裁角度公差表（注单项“”或“”偏差）（摘自 GB/T13915-1992 ）冲裁公差短边尺寸（ mm ）等级102525636316016040040010001000AT1040030020012050 4AT210400300200 120 504AT312010400300 2001206A

23、T4212010400 30020012AT53212010 40030020AT64321201040030注： 1）、公差等级按冲压件冲裁角度公差等级选用表确定。2）、未注公差的角度极限偏差，取上表中给出的公差值的一半，冠以“”号作为上下偏差。冲压件弯曲角度公差表(注单项“”或“”偏差 )（摘自GB/T13915-1992 ）弯曲公差等短边尺寸（ mm）级102525636316016040040010001000BT110 400300160 1201008BT21 3010400200 16012010BT32 3021301151045030BT44321301 151045BT56

24、4323021301注： 1）、公差等级按冲压件弯曲角度公差等级选用表确定。2）、未注公差的角度极限偏差，取上表中给出的公差值的一半，冠以“”号作为上下偏差。冲压件冲裁角度公差等级选用表（摘自GB/T13915-1992 ）冲裁材料厚度公差等级( mm)AT1AT2AT3AT4AT5AT63冲压件弯曲角度公差等级选用表（摘自GB/T13915-1992 ）弯曲材料厚度 ( mm)公差等级BT1BT2BT3BT4BT536常用尺寸公差摘录标准公差表（摘自GB1800 ）直线度、平面度公差表（摘自GB/T1184 ）基本尺寸公差等级主参数 L公差等级IT10IT11IT12（ mm）101112大

25、于至 m mmm大于至m340600.10102030603648750.12101625408061058900.15162530501001018701100.18254040601201830841300.214063508015030501001600.25631006010020050801201900.3010016080120250801201402200.351602501001503001201801602500.402504001202004001802501852900.464006301502505002503152103200.52630100020030060031

26、54002303600.57100016002504008004005002504000.63160025003005001000平行度、垂直度公差表（摘自GB/T1184 ）同轴度、对称度公差表（摘自GB/T1184 ）主参数 L 、公差等级主参数 D、 L公差等级D(mm)101112（ mm）101112大于至 m mm大于至m105080120125406010166010015013406012016258012020036508015025401001502506106010020040631202003001018801202506310015025040018301001503

27、00100160200300500305012020040016025025040060050120150250500250400300500800120250200300600400630400600100025050025040080063010005008001200500800300500100010001600600100015008001250400600120016002500800120020001250200050080015007常用尺寸公差摘录冲裁件未注公差尺寸极限表（摘自 GB/T15055-94 ）冲裁( mm)基本尺寸材料厚度公差等级大 于至大 于至fmcv0.53-1 0.05 0.10 0.150.2013 0.15 0.20 0.300.40-1 0.10 0.15 0.200.303614 0.20 0.30 0.400.554- 0.30 0.40 0.600.80-1 0.15 0.20 0.300.4063014 0.30 0.40 0.550.754- 0.45 0.60 0.801.20-1 0.20 0.30 0.400.553012014 0.40 0.55 0.751.054- 0.60 0.80 1.101.50-1 0.25 0.35 0.500.7012040014 0.50 0.70 1.0