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How to Drill Long, Straight Holes - YouTube

There are 2,487 long hole drill suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and Taiwan, which supply 95%, 2%, and 1% of long hole drill respectively. Long hole drill products are most popular in Mid East, North America, and Southeast Asia.

Long Hole Drill, Long Hole Drill Suppliers and ...

The long holes are drilled with extension rods. The rods can be either male-male type with separate coupling or male-female type with integrated coupling. To ensure best hole straightness top hammer drill tubes are used either as whole drill string or as single guide tube.

Long Hole Drilling - Robit Plc

Spare parts and major components may be available for much of the listed equipment, please inquire. Contact Us

LONG HOLE DRILL Archives - Procon

Production drill rigs. Epiroc’s Simba long-hole drilling rigs offer a variety of feed lengths, positioning configurations, rock drills, and optional automated features for underground production drilling.

Production drill rigs - Epiroc

Looking for long hole? Find out information about long hole. An underground borehole and blasthole exceeding 10 feet in depth or requiring the use of two or more lengths of drill steel or rods coupled together to... Explanation of long hole

Long hole | Article about long hole by The Free Dictionary

long hole drilling method is to be successfully implemented in a sustainable economic manner. In-stope long hole drilling is the method whereby holes are drilled parallel to the face from a drill gully through to a toe gully. Figure 1 shows a typical in-stope long hole drilling layout utilizing trackless drill rigs1. Long hole ledging is the method

Long hole drilling for the platinum industry— a mining ...

When these raise drills exceed the optimum drill length of a long hole rig, we will drill them top and bottom. The up holes at the bottom of the rise will be fired, then the down holes around the top of the rise will be fired. We have developed equipment and techniques using drilling foams and muds to drill in extremely broken ground.

Long Hole Drilling - Production - Perseverance Drilling

PHQ36IR Long-Hole Drill Set-up OPERATING MANUAL . Operating procedure The 36IR Drifter is designed for a long and economical life drilling holes of 38 mm to 75 mm in diameter up to 30 m in depth. Correct application and use of the machine will ensure that the