冲压件公差及选用

1、冲压件公差及选用一平冲压件尺寸公差GB/T13914-1992基本尺寸材料厚度公差等级ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST1110>0.50.0080.0100.0150.0200.030.040.060.080.120.16一>0.510.0100.0150.020.030.040.060.080.120.160.24一>1-1.50.0150.020.030.040.060.080.120.160.240.34一31>0.50.0120.0180.0260.0360.050.070.100.140.200.280.40>0.510

2、.0180.0260.0360.050.070.100.140.200.280.400.56>130.0260.0360.050.070.100.140.200.280.400.560.78>340.0340.050.070.090.130.180.260.360.500.700.9813>0.50.0180.0260.0360.050.070.100.140.200.280.400.56>0.510.0260.0360.050.070.100.140.200.280.400.560.78>130.0360.050.070.100.140.200.280.400.

3、560.781.10>360.0460.060.090.130.180.260.360.480.680.981.40>60.060.080.110.160.220.300.420.600.841.201.602林>0.50.0260.0360.050.070.100.140.200.280.400.560.78>0.510.0360.050.070.100.140.200.280.400.560.781.10>130.050.070.100.140.200.280.400.560.781.101.50>360.060.090.130.180.260.360.

4、500.701.001.402.00>60.080.120.160.220.320.440.600.881.201.602.40VKV1/OV)0.50.0360.050.070.100.140.200.280.400.560.781.10>0.510.050.070.100.140.200.280.400.560.781.101.50>130.070.100.140.200.280.400.560.781.101.502.10>360.090.120.180.260.360.500.700.981.402.002.80>60.110.160.220.300.44

5、0.600.861.201.602.203.001>0.50.040.060.090.120.180.260.360.500.700.981.40>0.510.060.090.120.180.260.360.500.700.981.402.00>130.090.120.180.260.360.500.700.981.402.002.80>360.120.160.240.320.460.640.901.301.802.603.60>60.140.200.280.400.560.781.101.502.102.904.200>0.50.060.090.120.1

6、80.260.360.500.700.981.402.00>0.510.090.120.180.260.360.500.701.001.402.002.80>130.120.180.260.360.500.701.001.402.002.804.00>360.160.240.320.460.640.901.301.802.603.604.80>60.200.280.400.560.781.101.502.102.904.205.80040.50.090.120.180.240.340.480.660.941.301.802.60>0.51一0.180.240.34

7、0.480.660.941.301.802.603.60>13一0.240.340.480.660.941.301.802.603.605.00>36一0.320.450.620.881.201.602.403.404.606.60>6一0.340.480.701.001.402.002.804.005.607.8001>0.5一一0.260.360.500.700.981.402.002.804.00>0.51一一0.360.500.700.981.402.002.804.005.60>13一一0.500.700.981.402.002.804.005.6

8、07.80>36一一一0.901.201.602.203.204.406.208.00>6一一一1.001.401.902.603.605.207.2010.00i成型冲压件尺寸公差GB/T13914-1992基本尺寸材料厚度公差等级FT1FT2FT3FT4FT5FT6FT7FT8FT9FT101>0.50.0100.0160.0260.040.060.100.160.260.400.60>0.510.0140.0220.0340.050.090.140.220.341.051.09>1-1.50.020.030.050.080.120.200.320.501.0

9、91.1431>0.50.0160.0260.040.070.110.180.280.440.701.00>0.510.0220.0360.060.090.140.240.380.600.901.40>130.0320.050.080.120.200.340.540.861.202.00>340.040.070.110.180.280.440.701.101.802.8010.50.0220.0360.060.090.140.240.380.600.961.40>0.510.0320.050.080.120.200.340.540.861.402.20>13

10、0.050.070.110.180.300.480.761.202.003.20>360.060.090.140.240.380.601.001.602.604.00>60.070.110.180.280.440.701.101.802.804.4021>0.50.030.050.080.120.200.320.500.801.202.00>0.510.040.070.110.180.280.460.721.101.802.80>130.060.100.160.260.400.641.001.602.604.00>360.080.120.200.320.50

11、0.801.202.003.205.00>60.100.140.240.400.621.001.602.604.006.406>0.50.040.060.100.160.260.400.641.001.602.60>0.510.060.090.140.220.360.580.901.402.203.60>130.080.120.200.320.500.801.202.003.205.00>360.100.160.260.400.661.001.602.604.006.40>60.110.180.280.460.761.202.003.205.008.001r

12、>0.50.050.080.140.220.360.560.901.402.203.60>0.510.070.120.190.300.480.781.202.003.205.00>130.100.160.260.420.681.101.802.804.407.00>360.140.220.340.540.881.402.203.405.609.00>60.150.240.380.621.001.602.604.006.6010.000中>0.5一0.100.160.260.420.701.101.802.804.40>0.51一0.140.240.38

13、0.621.001.602.604.006.40>13一0.220.340.540.881.402.203.405.609.00>36一0.280.440.701.101.802.804.407.0011.00>6一0.340.540.881.402.203.405.609.0014.0004>0.5一一0.240.380.621.001.602.604.006.60>0.51一一0.340.540.881.402.203.405.609.00>13一一0.440.701.101.802.804.407.0011.00>36一一0.560.901.40

14、2.203.405.609.0014.00>6一一0.621.001.602.604.006.4010.0016.00注：1.平冲压件是经平面冲裁工序加工而成型的冲压件。2 .成型冲压件是经弯曲、拉深及其他成型方法加工而成的冲压件。3 .平冲压件尺寸公差适用于平冲压件，也适用于成型冲压件上经冲裁工序加工而成的尺寸。4 .平冲压件、成型冲压件尺寸的极限偏差按下述规定选取：孔内形尺寸的极限偏差取表中给出的公差数值，冠以“十”作为上偏差，下偏差为0。轴外形尺寸的极限偏差取表中给出的公差数值，冠以“一”作为下偏差，上偏差为0。孔中心距、孔边距、弯曲、拉深及其他成型方法加工而成的长度、高度及未注公

15、差尺寸的极限偏差，取表中给出的公差数值的一半，冠以“土”作为上下偏差。三尺寸公差等级的选用GB/T13914-1992加工尺寸公差等级方法类型ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST11夕卜形精密内形平冲裁孔中心距孔边距冲夕卜形普通内形压冲裁孔中心距孔边距件成型夕卜形冲压内形平面孔中心距冲裁孔边距直径拉深高度成带凸缘直径型拉深高度冲弯曲长度压直径件其他成高度型方法长度3四 角度公差GB/T 13915-1992冲压件冲裁角度公差等级短边尺寸/mm<10>1025>2563>63160>160400>4001m>1m2.5mAT

16、140'30'20'12'6，4，一AT21°40'30'20'12'6，4，AT31°20'1°40'30'2012'6，AT421°20'1°40'30'20'12'AT53°21°20'1°40'30'20'AT64°3°21°20'1°40'30'度冲压件弯曲角公差等级短边尺寸/mm<10>1025>2563>63160>160BT11°40'30'16'12'BT21°30'1°40'20'16'BT3230'21°30'1°30'BT44°3°21°30'1°BT56°4°3°230'2注：1.冲压件冲裁角度：在平冲压件或成型冲压件的平面部分，经冲