Investigation of optimum thrust, cutting speed, and water pressure for tungsten carbide and polycrystalline diamond compact roof-bolt drill bits

详细信息    Investigation of optimum thrust, cutting speed, and water pressure for tungsten carbide and polycrystalline diamond compact roof-bolt drill bits

• 翻译题名：适于顶板锚栓钻机的硬质合金钻头和多晶金刚石压密钻头的最佳冲力,切割速度和水压的调查
• 丛编题名：Report of Investigations
• 责任者：Sundae ; Smelser ; Howie
• 出版日期：1995
• 语种：eng
• 出版者：U.S. Bureau of Mines
• 页数：20 p.
• 出版地：[S.l.]
• 第一责任说明：Laxman S. Sundae, Thomas W. Smelser & Wayne L,Howie
• 分类号：a666.7

MARC全文

02a0019023；20011205d1995 ekmy0engy01；eng；a z 000yy；r；Investigation of optimum thrust, cutting speed, and water pressure for tungsten carbide and polycrystalline diamond compact roof-bolt drill bits；Laxman S. Sundae, Thomas W. Smelser & Wayne L,Howie；[S.l.]；U.S. Bureau of Mines；1995；20 p.；ill；Report of Investigations；U.S. Bureau of Mines；no.9574；2001b；aReport of Investigations ; fU.S. Bureau of Mines ; vno.9574；适于顶板锚栓钻机的硬质合金钻头和多晶金刚石压密钻头的最佳冲力,切割速度和水压的调查；a666.7；Sundae ; Smelser ; Howie；Laxman S. ; Thomas W. ; Wayne L.；101；456946 ; 457376；P；720.66；R29u；v9574 ; r279.27；a03；b2；cP