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

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。JB/T8363.1－199611范围本标准规定了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。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max1.601.180.330.8T05min1.551.130.1490.6≈1.8M2max2.051.480.410.85T06min2.001.430.1960.65≈2.2M2.5机械工业部1996-04-22批准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头部内六角花形的型式和尺寸JB/T8363.1－19961996-07-01实施JB/T8363.1－19962表1（完）mm型号ABRrtD1适用的螺纹代号max2.4121.7500.4990.9T08min2.3671.7040.2030.7≈2.6M3max2.8542.0710.5831.0T10min2.7942.0110.2410.75≈3.1M3.5max3.3872.4450.7011.10T15min3.3272.3850.2790.85≈3.8M4和M4.5max3.9862.8560.8431.30T20min3.9112.7960.3170.95≈4.3M5max4.5583.2770.9061.50T25min4.4833.2020.3871.15≈4.9M5.5max5.6504.0651.1811.80T30min5.5753.9900.4631.40≈6.0M6max6.7954.8731.4162.20T40min6.7054.7980.5581.75≈7.2M83.2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。JB/T8363.1－19963附录AA1内六角花形旋具截面的型式和尺寸见图A1和表A1。图A1表A1mm型号ABmax1.491.08T05min1.431.03max1.911.38T06min1.881.33max2.301.65T08min2.241.60max2.721.96T10min2.661.90max3.262.33T15min3.202.27max3.842.74T20min3.762.68max4.403.15T25min4.323.07max5.493.94T30min5.413.86max6.604.74T40min6.514.66内六角花形旋具截面的型式和尺寸（标准的附录）JB/T8363.1－19964附录BB1量规的型式按图B1所示。图B1B2量规测头的型式按图B2所示，尺寸见表B1。图B2量规（标准的附录）JB/T8363.1－19965表B1mm型号ABRrG(参考)±0.1L(参考)±0.1H(参考)±0.2C(参考)6fmax1.532max1.112maxmax0.139T05min1.518min1.098min0.321min16191.11.698max1.982max1.412maxmax0.186T06min1.968min1.398min0.411min16191.12.148max2.349max1.686maxmax0.193T08min2.335min1.672min0.498min17202.02.515max2.776max1.993maxmax0.231T10min2.762min1.979min0.585min18212.42.942max3.309max2.367maxmax0.269T15min3.295min2.353min0.704min18212.83.475max3.893max2.778maxmax0.307T20min3.879min2.764min0.846min19223.24.059max4.465max3.185maxmax0.378T25min4.451min3.171min0.907min19223.64.656max5.557max3.972maxmax0.454T30min5.543min3.958min1.182min20234.05.749max6.687max4.780maxmax0.548T40min6.673min4.766min1.415min21244.86.904B3量规套筒的型式按图B3所示，尺寸见表B2。图B3JB/T8363.1－19966表B2mm型号C′(参考)6HT051.698T062.148T082.515T102.942T153.475T204.059T254.656T305.749T406.904JB/T8363.1－1996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头部内六角花形的型式和尺寸JB/T8363.1－1996*机械科学研究院出版发行机械科学研究院印刷（北京首体南路2号邮编100044）*开本880×12301/16印张3/4字数14,0001996年10月第一版1996年10月第一次印刷印数1－500定价10.00元编号96－003机械工业标准服务网：