12.车削加工中用YG6硬质合金车刀车削灰铸铁时的切削速度.docVIP免费

灰铸铁硬度HBS进给量f(mm/r)150～164165～181182～199200～219220～241242～265切削浓度αP（mm）0.8-----0.230.420.560.751.0------------1.80.8----0.140.230.420.560.751.01.341.8---------41.80.8----0.140.230.420.560.751.01.341.82.53.3------941.80.8----0.140.230.420.560.751.01.341.82.53.3-----20941.80.8----0.140.230.420.560.751.01.341.82.53.3-----20941.80.8----0.140.230.420.560.751.01.341.82.53.3-----20941.8-----0.140.230.420.560.751.01.341.82.53.3-----2094------0.140.230.420.560.751.01.341.82.53.3-----209-------0.140.230.420.560.751.01.341.82.53.3-----20--------0.140.230.420.560.751.01.341.82.5加工性质切削速度v(m/mim)外圆纵车163144128114101908071635750444035312825