塑料制品的尺寸精度等级.doc

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1、塑料制品的尺寸精度等级公称尺寸精度等级12345678公差数值-30.040.060.080.120.160.240.320.48>3-60.050.070.080.140.180.280.360.56>6-100.060.080.100.160.200.320.400.64>10-140.070.090.120.180.220.360.440.72>14-180.080.100.120.200.260.400.480.80>18-240.090.110.140.220.280.440.560.88>24-300.100.120.160.240.320.480.

2、640.96>30-400.110.130.180.260.360.520.721.0>40-500.120.140.200.280.400.560.801.2>50-650.130.160.220.320.460.640.921.4>65-850.140.190.260.380.520.761.01.6>80-1000.160.220.300.440.600.881.21.8>100-1200.180.250.340.500.681.01.42.0>120-1400.280.380.560.761.11.52.2>140-1600.310.420.620.84

3、1.21.72.4>160-1800.340.460.680.921.41.82.7>180-2000.370.500.741.01.52.03.0>200-2250.410.560.821.11.62.23.3>225-2500.450.620.901.21.82.43.6>250-2800.500.681.01.32.02.64.0>280-3150.550.741.11.42.22.84.4>315-3550.60.821.21.62.43.24.8>355-4000.650.91.31.82.63.65.2>400-4500.701.01.42.02.8

4、4.05.6>450-5000.801.11.62.23.24.46.4注：1、本标准的精度等级分成1-8共8个等级。   2、本标准只规定公差，而基本尺寸的上下偏差可按需要分配。   3、未注公差尺寸，建议采用本标准8级精度公差。   4、标准测量温度18-22度，相对湿度60％-70％（在制品成形24H后测量）。　塑料制品精度等级的选用类别材料名称建议采用的精度等级高精度一般精度低精度1PS/ABS/PMMA/PC/聚砜/聚苯醚/酚醛塑料粉/氨基塑料粉/30％玻璃纤维增强塑料3452PA6/PA66/PA610/PA9/PA1010/硬PVC/氯化聚醚456

5、3POM/PP/HDPE5674LDPE/软PVC678