薄壁钻头企业标准.doc

2.1 整体烧结式钻头规格尺寸表1分类尺寸水口数钻头名义尺寸钢体胎体钢体有效长度胎体高度外径内径外径内径外径内径DdD1D2D3D4L金刚石层非金刚石层1127.511912.27.222052.52149131114.48.81610151216.510.55.52.51812171418.211.832014191620.213.8220/300221620.81722.215.8262025.521.726.720.4300/38062.54322530.82732.125.2362934.93136.229.238313733.138.531.5403338.834.840.233.254437433944.537.5315/3906504348.844.850.543.16.52.575749.5555156.749.172.586355.561.557.563.255.6665863.859.865.557.77062686469.761.79766873.769.775.467.410837580.576.582.574.411898186.582.588.580.52.2整体式焊接钻头规格尺寸表2分类尺寸水口数钻头名义尺寸钢体胎体钢体有效长度胎体高度外径内径外径内径外径内径DdD1D2D3D4L金刚石层非金刚石层3221520.11721.914.9220/3006.512620252126.819.8305/38543225302631.824.8362934.430.436.229.23831373338.831.87403338.434.440.233.25443742.938.944.737.7320/3955042.548.744.750.743.265749.554.750.756.749.26355.561.257.263.255.76658.563.659.665.658.177062.567.663.669.662.17668.573.669.675.668.18837580.576.582.574.5320/400898186.582.388.580.5996889489.896881029499.595.1101.593.510108100105.5101.1107.599.5112104111106.611310511120112117.8113.2120112127118124.8120.212711812132123129.812513212313150141147.6142.8150141159150155.6150.815814915180171176.6171.617917034016200191198.6193.620119220250240254.6249.6257.624822300290292287297287 2.3螺纹连接分体焊接式（内冷却）钻头尺寸表 (单位：mm)钻头名义尺寸钢体胎体钢体有效长度胎体高度外径内径外径内径外径内径DdD1D2D3D4L金刚石层非金刚石层4231621.517.523.2163506.00.5272025.521.527.220302328.524.530.223322530.526.532.225362934.530.536.229383136.532.538.231403338.534.540.2335463944.540.546.2394006.50.5514449.545.551.2446564954.550.556.549635661.557.563.556665964.560.566.2598706368.564.570.263766974.570.576.569827580.576.582.575908288.584.590.28210968894.590.596.28810294100.396.3101.894108100106.25101.25108.3100112104110.25105.75112.310412120111.6118113120.3111.6125111.6123.25118.75125.3111.67.00.5127118125120127.3118132123130125132.31