Hole opener bearing arrangement
作者： John P. Maher , Randy R. Runquist
DOI:
关键词:
摘要: The present disclosure provides a back reamer roller cone that is configured so the bearings assemblies therein can be relatively easily removed and replaced. Methods of replacing bearing in are also provided.
google.co.in 参考文章(30)
Stig-Åke Brolund, Methods and apparatus for lubricating a rotary cutter ,(1997)
William H. Harrison, Directional borehole drilling system and method ,(2000)
Steven R. Brooke, Dolph R. Crawley, Mounting system for raise and shaft cutters ,(1994)
Amol Bhome, Robert H. Slaughter, Parag Konde, Sukhveer Singh Kalsi, Modular system for a back reamer and method ,(2009)
Henry Wallace Murdoch, Rotary mine drilling bit for making blast holes ,(2002)
Carlos Fernandez, Modular drill bit ,(1992)
John Edward Campbell, Thomas F Bailey, Drilling apparatus and cutter ,(1987)
James E. Friant, Levent Ozdemir, Shielded cutterhead with small rolling disc cutters ,(1997)
John E. Campbell, Thomas F. Bailey, Nehal M. Shah, Allen K. Rives, Drilling apparatus and cutter therefor ,(1984)
Vincent Wayne Shotton, Peter Thomas Cariveau, Robert Harlan Slaughter, Back reaming tool ,(2002)