沖壓件公差及選用(共5頁)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上沖 壓 件 公 差 及 選 用一 平?jīng)_壓件尺寸公差GB/T 13914-1992基本尺寸材料厚度公 差 等 級ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST11010.50.0080.0100.0150.0200.030.040.060.080.120.160.510.0100.0150.020.030.040.060.080.120.160.2411.50.0150.020.030.040.060.080.120.160.240.34130.50.0120.0180.0260.0360.050.070.100.140.200.280.400.51

2、0.0180.0260.0360.050.070.100.140.200.280.400.56130.0260.0360.050.070.100.140.200.280.400.560.78340.0340.050.070.090.130.180.260.360.500.700.983100.50.0180.0260.0360.050.070.100.140.200.280.400.560.510.0260.0360.050.070.100.140.200.280.400.560.78130.0360.050.070.100.140.200.280.400.560.781.10360.0460

3、.060.090.130.180.260.360.480.680.981.4060.060.080.110.160.220.300.420.600.841.201.6010250.50.0260.0360.050.070.100.140.200.280.400.560.780.510.0360.050.070.100.140.200.280.400.560.781.10130.050.070.100.140.200.280.400.560.781.101.50360.060.090.130.180.260.360.500.701.001.402.0060.080.120.160.220.320

4、.440.600.881.201.602.4025630.50.0360.050.070.100.140.200.280.400.560.781.100.510.050.070.100.140.200.280.400.560.781.101.50130.070.100.140.200.280.400.560.781.101.502.10360.090.120.180.260.360.500.700.981.402.002.8060.110.160.220.300.440.600.861.201.602.203.00631600.50.040.060.090.120.180.260.360.50

5、0.700.981.400.510.060.090.120.180.260.360.500.700.981.402.00130.090.120.180.260.360.500.700.981.402.002.80360.120.160.240.320.460.640.901.301.802.603.6060.140.200.280.400.560.781.101.502.102.904.201604000.50.060.090.120.180.260.360.500.700.981.402.000.510.090.120.180.260.360.500.701.001.402.002.8013

6、0.120.180.260.360.500.701.001.402.002.804.00360.160.240.320.460.640.901.301.802.603.604.8060.200.280.400.560.781.101.502.102.904.205.8040010000.50.090.120.180.240.340.480.660.941.301.802.600.510.180.240.340.480.660.941.301.802.603.60130.240.340.480.660.941.301.802.603.605.00360.320.450.620.881.201.6

7、02.403.404.606.6060.340.480.701.001.402.002.804.005.607.80100063000.50.260.360.500.700.981.402.002.804.000.510.360.500.700.981.402.002.804.005.60130.500.700.981.402.002.804.005.607.80360.901.201.602.203.204.406.208.0061.001.401.902.603.605.207.2010.00二 成型沖壓件尺寸公差GB/T 13914-1992基本尺寸材料厚度公 差 等 級FT1FT2FT

8、3FT4FT5FT6FT7FT8FT9FT10010.50.0100.0160.0260.040.060.100.160.260.400.600.510.0140.0220.0340.050.090.140.220.341.051.0911.50.020.030.050.080.120.200.320.501.091.14130.50.0160.0260.040.070.110.180.280.440.701.000.510.0220.0360.060.090.140.240.380.600.901.40130.0320.050.080.120.200.340.540.861.202.0034

9、0.040.070.110.180.280.440.701.101.802.803100.50.0220.0360.060.090.140.240.380.600.961.400.510.0320.050.080.120.200.340.540.861.402.20130.050.070.110.180.300.480.761.202.003.20360.060.090.140.240.380.601.001.602.604.0060.070.110.180.280.440.701.101.802.804.4010250.50.030.050.080.120.200.320.500.801.2

10、02.000.510.040.070.110.180.280.460.721.101.802.80130.060.100.160.260.400.641.001.602.604.00360.080.120.200.320.500.801.202.003.205.0060.100.140.240.400.621.001.602.604.006.4025630.50.040.060.100.160.260.400.641.001.602.600.510.060.090.140.220.360.580.901.402.203.60130.080.120.200.320.500.801.202.003

11、.205.00360.100.160.260.400.661.001.602.604.006.4060.110.180.280.460.76 1.202.003.205.008.00631600.50.050.080.140.220.360.560.901.402.203.600.510.070.120.190.300.480.781.202.003.205.00130.100.160.260.420.681.101.802.804.407.00360.140.220.340.540.881.402.203.405.609.0060.150.240.380.621.001.602.604.00

12、6.6010.001604000.50.100.160.260.420.701.101.802.804.400.510.140.240.380.621.001.602.604.006.40130.220.340.540.881.402.203.405.609.00360.280.440.701.101.802.804.407.0011.0060.340.540.881.402.203.405.609.0014.0040010000.50.240.380.621.001.602.604.006.600.510.340.540.881.402.203.405.609.00130.440.701.1

13、01.802.804.407.0011.00360.560.901.402.203.405.609.0014.0060.621.001.602.604.006.4010.0016.00注：1. 平?jīng)_壓件是經(jīng)平面沖裁工序加工而成型的沖壓件。2. 成型沖壓件是經(jīng)彎曲、拉深及其他成型方法加工而成的沖壓件。3. 平?jīng)_壓件尺寸公差適用于平?jīng)_壓件，也適用于成型沖壓件上經(jīng)沖裁工序加工而成的尺寸。 4平?jīng)_壓件、成型沖壓件尺寸的極限偏差按下述規(guī)定選?。?孔內(nèi)形尺寸的極限偏差取表中給出的公差數(shù)值，冠以“”作為上偏差，下偏差為0。 軸外形尺寸的極限偏差取表中給出的公差數(shù)值，冠以“”作為下偏差，上偏差為0。 孔中心距

14、、孔邊距、彎曲、拉深及其他成型方法加工而成的長度、高度及未注公差尺寸的極限偏差，取表中給出的公差數(shù)值的一半，冠以“±”作為上下偏差。三 尺寸公差等級的選用GB/T 13914-1992 平 沖 壓 件加 工方 法尺 寸類 型公 差 等 級ST1ST2ST3ST4ST5ST6ST7ST8ST9ST10ST11精密沖裁外 形內(nèi) 形孔中心距孔邊距普通沖裁外 形內(nèi) 形孔中心距孔邊距成型沖壓平面沖裁外 形內(nèi) 形孔中心距孔邊距成 型 沖 壓 件拉深直 徑高 度帶凸緣拉 深直 徑高 度彎 曲長 度其他成型方法直 徑高 度長 度四 角度公差GB/T 13915-1992 沖 壓 件 沖 裁 角 度公

15、 差等 級短 邊 尺 寸 /mm1010252563631601604004001m1m2.5mAT21°4030201264AT31°201°403020126AT42°1°201°40302012AT53°2°1°201°403020AT64°3°2°1°201°4030 沖 壓 件 彎 曲 角 度公 差等 級短 邊 尺 寸 /mm101025256363160160BT11°40301612BT21°301°402016BT32°302°1°301°30BT44°3°2°1°301°BT56°4°3°2°302°注：1. 沖壓件沖裁角度：在平?jīng)_壓件或成型沖壓件的平面部分，經(jīng)沖裁工序加工而成的角度。2. 沖壓件彎曲角度：經(jīng)彎曲工序加工而成的沖壓件