J BT7384.1-1994-紧固件对角宽度止端检验模.pdf

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1、J日中华人民共和国机械行业标准JB/T7384.1^7384.18一94紧固件专用检具1994-07-26发布1995-07-01实施中华人民共和国机械工业部发布中华人民共和国机械行业标准JB/T7384.1一94紧固件对角宽度止端检验模1主题内容与适用范围本标准规定了检测六角头螺检、六角螺母对角宽度止端检验模的型式和尺寸。本标准适用于ZBJ13002.1表2第4项。2引用标准GB1957光滑极限量规GB3103.1紧固件公差螺检、螺钉和螺母ZBJ13002.1紧固件测试方法螺检、螺钉、螺柱和螺母的尺寸与几何精度型式和尺寸螺栓对角宽度止端检

2、验模的型式和尺寸按图1及表1的规定;螺母对角宽度止端检验模的型式和尺寸按图2及表2的规定。o.5义45^其‘6.3人=0.5-1图1机械工业部1994-07-26批准1995-07-01实施IJB/T7384.1一94()5X450们Inl螺纹规格M3M4M5M6M8M10M12(M14)M16A级6.017.668.7911.0514.3817.7720.0323.3526.75B,C级5.877.508.6310.8914.2017.5919.8522.7826.17D.000极限偏差一0.009一0.011一0.013A级1.31.9

3、2.32.73.64.45.166.9B级1.31.82.32.6354.3566.8tC级2.22.53.454.24.955.86.5+0.014+0.018+0.022极限偏差000d45679.511.513.515.518D252526283035384245Ht(化整)+6t(化整)+8t(化整)+10B2.95.411JB/T7384.1一:94续表1n1】11螺纹规格(M18)M20(M22)M24(M27)M30(M33)M36A级30.1433.5337.7239.98B,C级29.5632.9537.2939.5545

4、.2050.8555.3760.79D.00极限偏差一0.016一0.019A级7.98.69.610.3B级7.88.59.510.211.712.814.415.5tC级7.48.19.29.911.312.41415+0.022+0.027极限偏差00d202224.526.529.5333639D5054565865707580Ht(化整)+10t(化整)+12t(化整)+14B14.525螺纹规格(M39)M42(M45)M48(M52)M56(M60)M64A级B,C级66.4471.3076.9582.6088.2593.56

5、99.21104.86D.00极限偏差-0.019一0.022A级B级17.217.919.320.922.824.226.227.6tC级16.817.518.920.122.223.625.727.1+0.027+0.033极限偏差00d42.545.548.55257616670D85g298102108115120125t(化整)Ht(化整)十15t(化整)十18十10B253035JB/T7384.1一94表2n】111螺纹规格Ml.6M2MZ.5M3M4M5M6M8M10M12A级3.414.325.456017.668.791

6、1.0514.38177720.03B、C级3284.185315877，508.6310.89142017.591985D0000极限偏差一0，008一0.009一0011一00131型0.81.11‘41.72.3353.95.1648.32型3844。325.717.159.26+0014+0.018+0.022极限偏差000厚t极限偏差薄060，81.11，241.561.962.322.963.764.56+0.014十0.018极限偏差00D20202225252628303538Ht(化整)+5t(化整)+6t(化整)+8B2

7、1.62.95.4‘.J~目.--一螺纹规格(M14)M16(M18)MZO(M22)M24(M27)M30(M33)A级23。352675B、C级22.7826，1729.5632.9537.2939.5545.2050.8555.3?众"二一二000极限偏差一0013一0.016一0.0191型9.711.312。113.514516。21819.421‘92型10.712615.218.121，8一一二十0.022+0027+0.033极限偏差。一00厚193321。7324.3226.7229.1232.3237.12止+0.Q33

8、+0.03日极限偏差00薄5.15.946.77.287，808.729‘8011.112.2!.⋯+0.018+0.022+0.027极限偏差O00D42455O5456586