Raise boring handbook

ROCK DRILLING TOOLS Raise Boring Heads User manual R a i s e b o r i n g h e a d s – user manual Contents Different raise boring methods . The Raise Boring Handbook – Second edition 1997 – Atlas Copco Robins. ? 'The safe work practice of changing out a raisebore reaming head underground' - by Scott McIntosh, Stantec. John (Jack) de la Vergne's Hard Rock Miner's Handbook is a work of the heart. . Mine Dewatering. Backfill. Explosives and Drilling. 9 Dec 1997 This report presents the principles of horizontal raiseboring, case .. 1992 regarding the use of guide holes, pilot holes and back reaming. Title, The Raise Boring Handbook. Edition, 2. Publisher, Atlas Copco Robbins, 1997. Original from, Pennsylvania State University. Digitized, Aug 19, 2010. Generally can be said that raise boring of shafts can be performed in conditions . guide the raise borer during the assembly of the reamer on the drill string. The Sandvik Raise Boring System includes a wide range of reaming heads in a number of . see the Sandvik Raise Boring Heads – User Manual HR – 13121. This second edition of MDG1030 Guideline for raiseboring operations, was The Raise Boring Handbook – Second edition 1997 – Atlas Copco Robins.Epiroc's range of raiseboring machines includes models for both conventional raise and boxhole boring as well as down reaming and it covers diameters from 0