塑料制品的尺寸精度等级SJ1372-78
塑料制品的尺寸精度等级SJ1372-78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>6-100.060.080.10.160.20.320.40.64>10-140.070.090.120.180.220.360.440.72>14-180.080.10.120.20.260.40.480.8>18-240.090.110.140.220.280.440.560.88>24-300.10.120.160.240.320.480.640.96>30-400.110.130.180.260.360.520.721>40-500.120.140.20.280.40.560.81.2>50-650.130.160.220.320.460.640.921.4>65-850.140.190.260.380.520.7611.6>80-1000.160.220.30.440.60.881.21.8>100-1200.180.250.340.50.6811.42>120-140 0.280.380.560.761.11.52.2>140-160 0.310.420.620.841.21.72.4>160-180 0.340.460.680.921.41.82.7>180-200 0.370.50.7411.523>200-225 0.410.560.821.11.62.23.3>225-250 0.450.620.91.21.82.43.6>250-280 0.50.6811.322.64>280-315 0.550.741.11.42.22.84.4>315-355 0.60.821.21.62.43.24.8>355-400 0.650.91.31.82.63.65.2>400-450 0.711.422.845.6>450-500 0.81.11.62.23.24.46.4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4563POM/PP/HDPE5674LDPE/软PVC678
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sdlwz (威望:0) (浙江 丽水) 机械制造 经理
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