rock drill

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rock drill

[′räk ‚dril]

(mechanical engineering)

A machine for boring relatively short holes in rock for blasting purposes; motive power may be compressed air, steam, or electricity.

rock drill

A machine or device for drilling a hole in rock so that it may be blasted; usually driven by compressed air, but also may be driven by electricity or by steam.

References in periodicals archive ?

Epstein's own interpretation comprised a life-sized robotic man seated upon an actual rock drill.

Meditating on songs and stories of war; A Birmingham visual artist is collaborating with folk musicians to interpret the sights and sounds of the First World War. Graham Young reports

Regarding logistics information systems, the rock drill team discovered that a great deal of activity is taking place at the national level to improve logistics information systems under network architectures.

The road to interoperability: the United States and the United Kingdom are allies in military operations around the world. In this article, a British officer examines the possibility of true interoperability between the two nations' Armed Forces

The Rock Drill sculpture will be reunited with Epstein's study for Rock Drill in the Garman Ryan Collection, at The New Art Gallery Walsall from May 3 until September 27, 2003.

GO: ART: Sad figure a reminder of the dark side of humanity

Faver led a rock drill test of MTMC deployment procedures recently for approximately 50 action officers.

Drill tests deployment procedures, process

A completely new RD106 rock drill providing a high 5.5-kW output power, and a new intelligent drilling-control system, form the basis for the Commando DC130Ri's high penetration rates.

Sandvik Commando includes upgraded features

Designed to work with the new HD universal high-flow rock drill housing, the ROUGHNECK R400 allows a directional drill to work in almost any rock condition without changing out the housing.

HammerHead trench less equipment

The new Doofor DF560L-2M is a high-frequency hydraulic rock drill, specifically designed for production drilling on the surface, underground and in tunneling applications.

Doofor penetrates market with DF560L-2M drill

One of the best ways to get prepared is to participate in a Rock Drill, an organized process to rehearse all the activities associated with a port action.