機械五金行業(yè)常用尺寸公差表

1、公差等級公差種類基 本 尺 寸033661010141418182424303040405050656580801001001201201401A0.070.080.090.100.110.120.140.160.180.200.230.260.290.32B0.140.160.180.200.210.220.240.260.280.300.330.360.390.422A0.100.120.140.160.180.200.220.240.260.300.340.380.420.46B0.200.220.240.260.280.300.320.340.360.400.440.480.520.5

2、63A0.120.140.160.180.200.240.280.320.360.400.460.520.580.64B0.320.340.360.380.400.440.480.520.560.600.660.720.780.844A0.160.180.200.240.280.320.360.420.480.560.640.720.820.92B0.360.380.400.440.480.520.560.620.680.760.840.921.021.125A0.200.240.280.320.380.440.500.560.640.740.861.00 1.141.28B0.400.440

3、.480.520.580.640.700.760.840.941.061.20 1.341.486A0.260.320.380.460.540.620.700.800.941.101.281.481.722.00B0.460.520.580.680.740.820.901.001.141.301.481.681.922.207A0.380.480.580.680.780.881.001.141.321.541.802.102.402.70B0.580.680.780.880.981.081.201.341.521.742.002.302.603.10塑料件尺寸公差表（摘自14486-93）（續(xù)

4、 上表） 塑料件尺寸公差表（摘自14486-93）公差等級公差種類基 本 尺 寸1401601601801802002002252252502502802803153153553554004004504505001A0.360.400.440.480.520.560.600.640.700.780.86B0.460.500.540.580.620.660.700.740.800.880.962A0.500.540.600.660.720.760.840.921.001.101.20B0.600.640.700.760.820.860.941.021.101.201.303A0.700.780.

5、860.921.001.101.201.301.401.601.74B0.900.981.061.121.201.301.401.501.641.801.944A1.021.121.241.361.481.621.802.002.202.402.60B1.221.321.441.561.681.822.002.202.402.602.805A1.441.601.761.922.102.302.502.803.103.503.90B1.641.801.962.122.302.502.703.003.303.704.106A2.202.402.602.903.203.50 3.804.304.70

6、5.306.00B2.402.602.803.103.403.704.004.504.905.506.207A3.003.303.704.104.504.905.406.006.707.408.20B3.203.503.904.304.705.105.606.206.907.608.40注： 1）、A為不受模具活動部分影響的尺寸公差值；B為受模具活動部分影響的尺寸公差值； 2）、公差等級按下頁常用材料模塑件公差等級選用表確定。常用材料模塑件公差等級選用表（摘自14486-93）塑 料代 號模 塑 材 料公 差 等 級備 注未注公差尺寸未注公高精度一般精度差尺寸丙烯晴丁二烯苯乙烯共聚物235丙烯

7、晴苯乙烯共聚物235制透明罩、外殼醋酸纖維素塑料346環(huán)氧樹脂2356、66(尼龍類塑料)46 聚酰氨均聚物無填料填充346玻璃纖維填充235聚碳酸脂(5509透明、耐電弧)235（耐連續(xù)高溫120）聚鄰苯二甲酸二烯脂235聚乙烯567聚醚砜235聚對苯二甲酸丁二醇脂(為影視膠片、帶材料)無填料填充346作絕緣件、外殼玻璃纖維填充235酚醛塑料無機填料填充235有機填料填充344聚甲基丙烯酸甲脂235聚甲醛模塑料（自潤滑性好）（耐連續(xù)高溫85）150346可作傳動零件150457聚丙烯無填料填充346無機填料填充235聚苯醚（耐連續(xù)高溫110）235聚苯硫醚（耐連續(xù)高溫250）（作牽引桿）23

8、5制件需高溫處理聚苯乙烯（透明）235制透明罩、外殼聚砜（耐熱、高強度、低翹曲）235（耐連續(xù)高溫120）硬質(zhì)聚氯乙烯（無強塑料）235軟質(zhì)聚氯乙烯567氨基酸料和氨基酚醛塑料（熱固性模塑料）無機填料填充235脲甲醛（），三聚氰胺脲甲醛（）有機填料填充3463不飽和聚脂玻璃纖維模塑料玻璃纖維填充235耐電弧553熱固性模塑料235耐電弧1熱固性模塑料235耐電弧551熱固性模塑料235耐電弧平?jīng)_壓件尺寸公差表（摘自13914-1992） 沖裁基本尺寸材料厚度公 差 等 級 （ 注：公差等級按平?jīng)_壓件尺寸公差等級選用表確定。）大于至大于至123456789101110.50.0080.0100.

9、0150.0200.0300.0400.0600.0800.120.160.510.010.0150.020.030.040.060.080.120.160.2411.50.0150.020.030.040.060.080.120.160.240.34 130.50.0120.0180.0260.0360.050.070.100.140.200.280.400.510.0180.0260.0360.050.070.100.14 0.20 0.280.400.56130.0260.0360.050.070.100.140.200.280.400.560.78340.0340.050.070.09

10、0.130.180.260.360.500.700.983100.50.0180.0260.0360.050.0700.100.140.200.280.400.560.510.0260.0360.050.070.100.10.0.200.280.400.560.78130.0360.050.070.100.140.200.280.400.560.781.10360.0460.060.090.130.180.260.360.480.680.981.40>60.060.080.110.160.220.300.420.600.841.201.6010250.50.0260.0360.050.0

11、70.100.140.200.280.400.560.780.510.0360.050.070.100.140.200.280.400.560.781.10130.050.070.100.140.200.280.400.560.781.101.50360.060.090.130.180.260.360.500.701.001.402.00>60.080.120.160.220.320.440.600.881.201.602.4025630.50.0360.050.070.100.140.200.280.400.560.781.100.510.050.070.100.140.200.280

12、.400.560.781.101.50130.070.100.140.200.280.400.560.781.101.502.10360.090.120.180.260.360.500.700.981.402.002.80>60.110.160.220.300.440.600.861.201.602.203.00631600.50.040.060.090.120.180.260.360.500.700.981.400.510.060.090.120.180.260.360.500.700.981.402.00130.090.120.180.260.360.500.700.981.402.

13、002.80360.120.160.240.320.460.640.901.301.802.503.60>60.140.200.280.400.560.781.101.502.102.904.201604000.50.060.090.120.180.260.360.500.700.981.402.000.510.090.120.180.260.360.500.700.981.402.002.80130.120.180.260.360.500.701.001.402.002.804.00360.160.240.320.460.640.901.301.802.603.604.80>60

14、.200.280.400.560.781.101.502.102.904.205.6040010000.50.090.120.180.240.340.480.660.941.301.802.600.510.180.240.340.480.660.941.301.802.603.60130.240.340.480.660.941.301.802.603.605.00360.320.450.620.881.201.602.403.404.606.60>60.340.480.701.001.402.002.804.005.607.80成形沖壓件尺寸公差表（摘自13914-1992） 彎形基本尺

15、寸板材厚度公 差 等 級大于至大于至1234567891010.50.010.0160.0260.040.060.100.160.260.400.600.510.0140.0220.0340.050.090.140.220.340.500.9011.50.020.030.050.080.120.200.320.500.901.40130.50.0160.0260.040.070.110.180.280.440.701.000.510.0220.0360.060.090.140.240.380.600.901.40130.0320.050.080.120.200.340.540.861.202.

16、00340.040.070.110.180.280.440.701.101.802.803100.50.0220.0360.060.090.140.240.380.600.961.400.510.0320.050.080.120.200.340.540.861.402.20130.050.070.110.180.300.480.761.202.003.20360.060.090.140.240.380.601.001.602.604.00>60.070.110.180.280.440.701.101.802.804.4010250.50.030.050.080.120.200.320.5

17、00.801.202.000.510.040.070.110.180.280.460.721.101.802.80130.060.100.160.260.400.641.001.602.604.00360.080.120.200.320.500.801.202.003.205.00>60.100.140.240.400.621.001.602.604.006.4025630.50.040.060.100.160.260.400.641.001.602.600.510.060.090.140.220.360.580.901.402.203.60130.080.120.200.320.500

18、.801.202.003.205.00360.100.160.260.400.661.001.602.604.006.40>60.110.180.280.460.761.202.003.205.008.00631600.50.050.080.140.220.360.560.901.402.203.600.510.070.120.190.300.480.781.202.003.205.00130.100.160.260.420.681.101.3020804.407.00360.140.220.340.540.881.402.203.405.609.00>60.150.240.380

19、.621.001.602.604.006.6010.001604000.50.0100.160.260.420.701.101.802.804.400.510.140.240.380.621.001.602.604.006.40130.220.340.540.881.402.203.405.609.00360.280.440.701.101.802.804.407.0011.00>60.340.540.881.402.203.405.609.0014.0040010000.50.240.380.621.001.602.604.006.600.510.340.540.881.402.203

20、.405.609.00130.440.701.101.802.804.407.0011.00360.560.901.402.203.405.609.0014.00>60.621.001.602.604.006.4010.0016.00注：公差等級按成形沖壓件公差等級選用表確定平?jīng)_壓件尺寸公差等級選用表（摘自13914-1992） 沖裁 成形沖壓件尺寸公差等級選用表（摘自13914-1992） 彎形 加工方法尺寸類型公 差 等 級1234567891011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 距成形沖壓平面沖裁 外形內(nèi)形孔中心距孔邊距 加工方法尺寸類型公 差 等

21、 級12345678910拉深直徑高度帶凸緣直徑高度彎曲長度其它成形方法直徑高度長度 沖壓件沖裁角度公差表（注單項“”或“”偏差）（摘自13915-1992） 沖裁公差等級短 邊 尺 寸（）< 10>1025>2563>63160>160400>4001000>100010°400°300°200°120°50°421°0°400°300°200°120°50°431°201°0°400

22、6;300°200°120°642°1°201°0°400°300°200°1253°2°1°201°0°400°300°2064°3°2°1°201°0°400°30注：1）、公差等級按沖壓件沖裁角度公差等級選用表確定。 2）、未注公差的角度極限偏差，取上表中給出的公差值的一半，冠以“±”號作為上下偏差。沖壓件彎曲角度公差表(注單項“”或“”偏差

23、)（摘自13915-1992） 彎曲公差等級短 邊 尺 寸（）< 10>1025>2563>63160>160400>4001000>100011°0°400°300°160°120°100°821°301°0°400°200°160°120°1032°302°1°301°151°0°450°3044°3°2°1&#

24、176;301°151°0°4556°4°3°2°302°1°301°注：1）、公差等級按沖壓件彎曲角度公差等級選用表確定。2）、未注公差的角度極限偏差，取上表中給出的公差值的一半，冠以“±”號作為上下偏差。沖壓件沖裁角度公差等級選用表（摘自13915-1992） 沖裁材料厚度 ( )公 差 等 級123456<3>3沖壓件彎曲角度公差等級選用表（摘自13915-1992） 彎曲材料厚度( )公 差 等 級12345<3>3標(biāo)準(zhǔn)公差表（摘自1800） 直線度、平

25、面度公差表（摘自1184）基本尺寸公差等級主參數(shù)L公差等級101112（）101112大于至 mm大于至m340600.10102030603648750.12101625408061058900.15162530501001018701100.18254040601201830841300.214063508015030501001600.25631006010020050801201900.3010016080120250801201402200.351602501001503001201801602500.402504001202004001802501852900.4640063015

26、02505002503152103200.5263010002003006003154002303600.57100016002504008004005002504000.63160025003005001000 平行度、垂直度公差表（摘自1184） 同軸度、對稱度公差表（摘自1184）主參D數(shù)L、公差等級主參數(shù)D、L公差等級()101112（）101112大于至 mmm大于至m1050801201254060101660100150134060120162580120200365080150254010015025061060100200406312020030010188012025063

27、100150250400183010015030010016020030050030501202004001602502504006005012015025050025040030050080012025020030060040063040060010002505002504008006301000500800120050080030050010001000160060010001500800125040060012001600250080012002000125020005008001500沖裁件未注公差尺寸極限表（摘自15055-94） 沖裁 ( )基 本 尺 寸材 料 厚 度公 差 等

28、級大 于至大 于至fmcv0.53-1±0.05±0.10±0.15±0.2013±0.15±0.20±0.30±0.4036-1±0.10±0.15±0.20±0.3014±0.20±0.30±0.40±0.55>4-±0.30±0.40±0.60±0.80630-1±0.15±0.20±0.30±0.4014±0.30±0.40

29、±0.55±0.75>4-±0.45±0.60±0.80±1.2030120-1±0.20±0.30±0.40±0.5514±0.40±0.55±0.75±1.05>4-±0.60±0.80±1.10±1.50120400-1±0.25±0.35±0.50±0.7014±0.50±0.70±1.00±1.40>4-

30、77;0.75±1.05±1.45±2.104001000-1±0.35±0.50±0.70±1.0014±0.70±1.00±1.40±2.00>4-±1.05±1.45±2.10±2.90彎形件未注公差尺寸極限表（摘自15055-94） 彎形 （）基 本 尺 寸材 料 厚 度公 差 等 級大 于至大 于至fmcv0.53-1±0.15±0.20±0.35±0.5013±0.30±0.45±0.60±1.0036-1±0.20±0.30±0.50±0.7014±0.40±0.60±1.00±1.60>4-±0.55±0.90±1.40±2.20630-1±0.25±0.40±0.60±1.0014±0.50±0.80±