JB/T 7384.7-1994 紧固件 开槽宽度塞规

aB中华人民共和国机械行业标准JB/T7384.1~7384.18-9紧固件专用检具994-07-26发布1995-07-01实施中华人民共中华人民共和国机械行业标准紧固件JB/T7384.7-94开槽宽度塞规1主题内容与适用范围本标准规定了检测螺钉、螺母木螺钉,自攻螺钉和挡圈开槽宽度塞规的型式和尺寸本标准适用于ZBJ13002.1表2第18项、ZBJ13002,2表1第3项、ZBJ3002.3表2第3项、ZBJ13002.7表1第5项2引用标准光滑极限宽規ZB13002.1紧固件测试方法螺栓、螺钉、螺柱和螺母的尺寸与几何精度ZBJ130022紧固件测试方法木螺钉的尺寸与几何精度ZBJ3002.3紧固件测试方法自攻螺钉的尺寸与几何精度ZBJ13002.7紧固件测试方法挡圈的尺寸与几何精度3型式和尺寸螺钉开槽宽度塞规的型式和尺寸按图1及表1的規定;螺母开槽宽庋塞规的型式和尺寸按图1及表2的规定;木螺钉开槽宽度塞规的型式和尺寸按图1及表3的规定;自攻螺钉开槽宽度塞规的型式和尺寸按图1及表4的规定:挡圈开槽宽度塞规的型式和尺寸按图1及表5的规定保护板知钉或螺钉2(图1机械工业部19940726批准50701实施JB/T7384.7-94表1螺纹规格MI.6M3本尺寸0.260.310.460.310.560.460.60.460.860.661.06极限偏+0.019+0.011基本尺寸0.400.450.600.450.700.600.800.601.00.80限偏差0.005螺纹规格M本尺寸1.260.861.261.061.561661.25201.66256206极限偏差+0.0245+0.011+0.015551110111:2011a11911s231.2.82:n表2螺纹规格M4M.6M2M2sM30.560660.860961201261401620极限偏差+0.0245+0.05+0.0245+0,050.0155慈本尺寸700.801.001.3l1.81.5201.12.60极限偏差0.0090.02|-a.009-0.02M14)M1e2CM24M30M362.80504.507.00极限偏+0.0245+005+0.024+0.05H+0.024+0.06250.0159+0.030.0154落本尺寸2313102813.40331.254.255.706.70极限偏0.009-0.02-0.009-0.02-0.0090.025JB/7384.7-94表3公称直径d1622:3354.5555基本尺寸0.400.500.600.800.90.1.001.201.802.002.50极限偏差+0.037尺寸0.650.7505.15:51.s51751952152:352:85限偏差0.0090.014表4:1mST6. 3 ST8 ST9.5+0.01+00155基本尺士0.702.312.810.009表514~2235~7075~105110~200极限偏差+0.01+0.0155本尺寸1,20sI1.90.0060,009