JB-T 8363.1-1996 沉孔可转位刀片用紧固螺钉 头部内六角花形的型式和尺寸.pdf

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1、J41JB/T8363.1－1996沉孔可转位刀片用紧固螺钉头部内六角花形的型式和尺寸1996-04-22发布1996-07-01实施中华人民共和国机械工业部发布JB/T8363.1－1996前言本标准的附录A和附录B都是标准的附录。本标准由全国刀具标准化技术委员会提出并归口。本标准负责起草单位：成都工具研究所。本标准主要起草人：俞进、姜体贵、梁彦学。本标准于1996年4月22日首次发布。本标准从1996年7月1日起实施。中华人民共和国机械行业标准沉孔可转位刀片用紧固螺钉JB/T8363.1－1996头部内六角花形的型式和尺寸1范围本标准规定了沉孔可转位刀片用紧固螺钉

2、头部内六角花形的型式和尺寸。本标准适用于螺纹代号为M2～M8的沉孔可转位刀片用紧固螺钉。2符号A内六角花形凸圆弧对边宽度；B内六角花形凹圆弧对边宽度；R内六角花形凹圆弧半径；r内六角花形凸圆弧半径；t内六角花形深度。3型式与尺寸3.1内六角花形的型式和尺寸见图1和表1。图1表1mm型号ABRrtD1适用的螺纹代号max1.601.180.330.8T05≈1.8M2min1.551.130.1490.6max2.051.480.410.85T06≈2.2M2.5min2.001.430.1960.65机械工业部1996-04-22批准1996-07-01实施1JB/T

3、8363.1－1996表1（完）mm型号ABRrtD1适用的螺纹代号max2.4121.7500.4990.9T08≈2.6M3min2.3671.7040.2030.7max2.8542.0710.5831.0T10≈3.1M3.5min2.7942.0110.2410.75max3.3872.4450.7011.10T15≈3.8M4和M4.5min3.3272.3850.2790.85max3.9862.8560.8431.30T20≈4.3M5min3.9112.7960.3170.95max4.5583.2770.9061.50T25≈4.9M5.5min4

4、.4833.2020.3871.15max5.6504.0651.1811.80T30≈6.0M6min5.5753.9900.4631.40max6.7954.8731.4162.20T40≈7.2M8min6.7054.7980.5581.753.2内六角花形旋具截面的型式和尺寸见附录A(标准的附录)。4检查方法内六角花形的形状及深度用附录B(标准的附录)规定的量规进行检查。如果量规能够没有阻碍也没有太大的松动插入花形中，并且达到表1规定的深度，则判为合格。2JB/T8363.1－1996附录A内六角花形旋具截面的型式和尺寸（标准的附录）A1内六角花形旋具截面的型

5、式和尺寸见图A1和表A1。图A1表A1mm型号ABmax1.491.08T05min1.431.03max1.911.38T06min1.881.33max2.301.65T08min2.241.60max2.721.96T10min2.661.90max3.262.33T15min3.202.27max3.842.74T20min3.762.68max4.403.15T25min4.323.07max5.493.94T30min5.413.86max6.604.74T40min6.514.663JB/T8363.1－1996附录B量规（标准的附录）B1量规的型式按图

6、B1所示。图B1B2量规测头的型式按图B2所示，尺寸见表B1。图B24JB/T8363.1－1996表B1mmGLHC型号ABRr(参考)(参考)(参考)(参考)±0.1±0.1±0.26fmax1.532max1.112maxmax0.139T0516191.11.698min1.518min1.098min0.321minmax1.982max1.412maxmax0.186T0616191.12.148min1.968min1.398min0.411minmax2.349max1.686maxmax0.193T0817202.02.515min2.335min1

7、.672min0.498minmax2.776max1.993maxmax0.231T1018212.42.942min2.762min1.979min0.585minmax3.309max2.367maxmax0.269T1518212.83.475min3.295min2.353min0.704minmax3.893max2.778maxmax0.307T2019223.24.059min3.879min2.764min0.846minmax4.465max3.185maxmax0.378T2519223.64.656min4.451min3.1