percussion drill

percussion drill

[pər′kəsh·ən ‚dril]
(mechanical engineering)
A drilling machine usually using compressed air to drive a piston that delivers a series of impacts to the shank end of a drill rod or steel and attached bit.

percussion drill

A drill, 3, usually driven by compressed air, in which the drilling action is the result of a series of impacts transmitted by a drill rod to a drill bit.
References in periodicals archive ?
The Phase 1 exploration program comprises; geological mapping, hand auger soil sampling, manportable percussion drill soil sampling, rock chip sampling, portable XRF analysis, and laboratory analysis for gold over the OPQ gold target.
(Photo: Twin Hills Camp Bedrock Assays from Shallow Percussion Drill Program at Twin Hills West)
The LDT 360 Cable Tool Drill Rig was recognized for its percussion drill design which combines the attributes of a cable tool rig with a modern day hydraulic drive system.
Three tenders for the supply of (a) a cutting tool and a display screen for the architectural forming division, (b) a table shaped loom, tarn, a weaving machine and other instruments for the Weaving Division, also (c) machines for the carpentry workshop and a percussion drill for the Internal Design & Furniture Division.
The Makita HP1631K/2 710W Percussion Drill is PS83.99 from Screwfix and can be used for all sorts of drilling tasks, including boreing into wood, steel, masonry, brick and block.
The haul included a Dewalt percussion drill and hammer, tool boxes containing hammers and chisels, a Dewalt cordless jigsaw and blade set, a cordless Makita drill and a Makita drill driver.
750W Percussion Drill, pounds 49.99 (www.ryobitools.co.uk or 01628 894 400)
Thirteen RC percussion drill holes were completed for a total of 1800 metres.
Based on experience, the contractor custom drills a specific pattern of holes in the existing concrete slab or floor using a diamond bit or a percussion drill with a carbide bit.
The thieves stole tools including a Dewalt percussion drill and hammer, tool boxes containing hammers and chisels, a Dewalt cordless jigsaw and blade set, a cordless Makita drill and a Makita drill driver.
DeWalt DW205 Percussion Drill pounds 76.38 B&Q 0845 609 6688
Among the initial requirements of the new process included laser drilling and flow testing on a single machine with the same setup; the laser must have the capability to percussion drill 0.03[inch] to 0.05[inch] dia holes; and the top level control device would be the System 94 Laser Process Control (LPC).