drill carriage
drill carriage
[′dril ‚kar·ij] (mechanical engineering)
A platform or frame on which several rock drills are mounted and which moves along a track, for heavy drilling in large tunnels. Also known as jumbo.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The
drill carriage travel utilizes a special rack and pinion system, eliminating the usual problems associated with a chain drive.
Barbco's new BD60 Plus-20SC directional drill is armed with six
drill carriage motors and delivers a constant 60,000 pounds of thrust and pullback with reserves up to 90,000 pounds.
With six
drill carriage motors, the BD60 Plus delivers a constant 60,000 lbs thrust and pullback with reserves for up to 90,000 lbs.
Drill carriages assembled at the factory include stope and wagon pneumatic rigs and the hydraulic Mk 2 Unimaster and Mk 2 Multimaster rigs.
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