海量資源,盡在掌握
 錘鉆的沖擊能量介于電鉆和沖擊電鉆之間,以沖擊為主,旋轉(zhuǎn)為輔。錘鉆的鉆頭通常用40Cr鋼或鎢鈷類硬質(zhì)合金制造。表2.8-4 錘鉆產(chǎn)品的性能數(shù)據(jù)續(xù)表續(xù)表續(xù)表續(xù)表續(xù)表續(xù)表 (共 82 字) [閱讀本文] >>