1、模塑件尺寸公差表材料代號模塑材料公差尊級標注公差尺寸未注公差尺寸高精度般精度ABS丙烯踴丁二烯苯乙烯共聚物MT2MT3MT5AS丙烯睛苯乙烯共聚物MT2MT3MT5CA醋酸纖維素塑料MT3MT4MT6EP環氧樹脂MT2MT3MT5PA尼龍類塑料無填料填充MT3MT4MT6玻璃纖維坦充MT2MT3MT5PBTP聚對苯二甲酸丁二醇脂無填料填充MT3MT4MT6玻璃纖維填充MT2MT3MT5PC聚碳酸脂MT2MT3MT5PDAP聚鄰苯一甲酸一丙烯肢MT2MT3MT5PE聚乙烯MT5MT6MT7PESU聚鉀MT2MT3MT5PEYP聚對苯一甲酸乙一醇脂無填料填充MT3MT4MT6玻璃纖維填充MT2MT

2、3MT5PF酚醛塑料無機填料填充MT2MT3MT5有機填料填充MT3MT4MT6PMMA聚甲基丙烯酸甲脂MT2MT3MT5POM聚甲醛150mmMT3MT4MT6 150mmMT4MT5MT7PP聚丙烯無填料填充MT3MT4MT6無機填料填充MT2MT3MT5PPO聚苯醸MT2MT3MT5PPS聚苯硫醸MT2MT3MT5PS聚苯乙烯MT2MT3MT5PSU聚瑕MT2MT3MT5RPVC硬質聚氯乙烯（無增塑劑）MT2MT3MT5SPVC軟化質聚氯乙烯MT5MT6MT7VF/MF氮基塑料和氮基酚醛塑料無機填料填充MT2MT3MT5有機填料填充MT3MT4MT6收縮率特性值和選用的公差等級收縮率特性

3、值公差等級標注公差尺寸未注公差尺寸高精度一般精度0-1MT2MT3MT51 2MT3MT4MT62-3MT4MT5MT73MT5MT6MT7模塑件尺寸公差表公差尊級公差種類基本尺寸大于0到3366101014141818242430304040505065658080100100120120140140160160180標注公差的尺寸公差值MT!A0.070.080.090.100.110.120.140.160.180.200.230.260.290.320.360.40B0.140.160.180.200.210.220.240.260.280.300.330.360.390.420.46

4、0.50MT2A0.100.120.140.160.180.200.220.240.260.300.340.380.420.460.500.54B0.200.220.240.260.280.300.320.340.360.400.440.480.520.560.600.64MT3A0.120.140.160.180.200.240.280.320.360.400.460.520.580.640.700.78B0.320.340.360.380.400.440.480.520.560.600.660.720.780.840.900.98MT4A0.160.180.200.240.280.320.

5、360.420.480.560.640.720.820.921.021.12B0.360.380.400.440.480.520.560.620.680.760.840.921.021.121.221.32MT5A0.200.240.280.320.380.440.500.560.640.740.861.001.141.281.441.60B0.400.440.480.520.580.640.700.760.840.941.061.201.341.481.641.80MT6A0.320.320.380.460.540.620.700.800.941.101.281.481.722.002.20

6、2.40B0.520.520.580.680.740.820.901.001.141.301.481.681.922.202.402.60MT7A0.380.480.580.680.780.881.001.141.321.541.802.102.402.703.003.30B0.580.680.780.880.981.081.201.341.521.742.002.302.603.103.203.50未標注公差的尺寸允許偏差AMT50.100.120.140.160.190.220.250.280.320.370.430.500.570.640.720.80B0.200.220.240.260.290.320.350.380.420.470.530.600.670.740.820.90MT6A0.130.160.190.230.270.310.350.400.470.550.640.740.861.001.101.20-HI-H 二HI-HI41 fH-HIo+1I41 fH-HI96-H o+1 二Iin+ o-H 二-HIo+1 oH -H Hs9卜00-H oHH H o44