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drill
drilling
drilling The process of making a hole, usually into the Earth. Two common methods are
cable drilling and
rotary drilling. See also
BIT;
CALYX DRILLING;
DIAMOND DRILLING;
DOWN-HOLE HAMMER DRILLING; and
PERCUSSION BORING.
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Drill-bit basics; prolong your drill's life with these expert tips.(machinery)
Magazine article from: Farm Journal; 12/1/2002; ; 700+ words
; ...stamped on the shank. HSS drills are more durable, stay...more than carbon steel drill bits. They work well...The 135[degrees] drill bits were designed for...or battery-powered drills." The 135[degrees] drill tips generally have...
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Drill practice.(Primer on drills and drilling)
Magazine article from: Industrial Distribution; 9/1/2000; 700+ words
; ...information on which drill is best for a particular application DRILLS ARE WIDELY USED...large radial arm drills. The cutting tool employed by the drill is the drill bit...rotate or drive the drill. Occasionally, straight shank drills have a tang at...
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DRILL INSTRUCTORS RECOGNIZE THEIR OWN DURING GRADUATION AWARDS CEREMONIES
News Wire article from: US Fed News Service, Including US State News; 9/14/2007; 668 words
; ...following official news story: Marine Corps drill instructors dedicate their lives to working...unrecognized. On every graduation Friday, drill instructors from the graduating company...the base theatre. Last week, Company B drill instructors selected their peers who they...
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Drill Monitor Systems Tell the Hole Story
Magazine article from: Engineering and Mining Journal; 12/1/2006; ; 700+ words
; ...touch drilling with minimal operator input Drill monitoring equipment is becoming a "must...redrilling can inflate the overall costs of drill/blast operations significantly while...DrillNav Plus, for example, provides the drill operator with a moving map to allow quick...
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"No-point" drill reduces thrust.
Magazine article from: Tooling & Production; 4/1/1989; ; 700+ words
; ...evolution of the twist drill occurred with the introduction of carbide tipped drills. These drills combine...thinning techniques for HSS drill points have been proposed for carbide tipped drills. One such drill is the New Point Drill...
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Drill reduces machining time, increasing capacity.(Better Production: Shops Using Technology)
Magazine article from: Modern Machine Shop; 7/1/2005; 700+ words
; ...only achieve 0.004 ipr using drills with two indexable inserts. The higher feed rate from the new drill is partly the result of an exchangeable...conventional HSS and solid carbide drills, the new drill simultaneously uses two cutting...
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Drills Improve Holemaking Efficiency
Magazine article from: Manufacturing Engineering; 5/1/2004; ; 700+ words
; ...ratio, the piloted insert drills have been an improvement over a regular insert drill or spade and twist drills," Cermak says. "They require...were produced on a radial drill with twist drills that took anywhere from 1...
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Insert drills are cutting it: advances in machines and designs spur toolmakers.
Magazine article from: Tooling & Production; 8/1/1997; ; 700+ words
; ...were also known as short hole drills. These designs are used to drill holes from 20 to 40 mm (with...consumption, and the capability to drill smaller diameters. For example, today's indexable insert drills can drill holes as small as 12.7mm...
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Lockdown drills helps schools train for trouble: Ohio, Michigan require safety plan.
Newspaper article from: Blade (Toledo, OH); 2/26/2007; 700+ words
; ...mandate the safety drills to prepare students...The purpose of the drill was not lost on Mary...hesitated on the drills because they might...than a reverse fire drill and both are meant...conduct one lockdown drill a year, Michigan...must hold two such drills each school year...
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Stanley Hand Drills Part VI: Defiance Brand Hand Drills
Magazine article from: The Chronicle of the Early American Industries Association, Inc.; 12/1/2008; ; 700+ words
; ...beginnings of Stanley's hand drill line ("Stanley Hand Drills - The Beginning," The...Figure 6). This hand drill (see "Stanley Hand Drills Part V - Stanley's...when battery-powered drills replaced the hand drill market. Stanley introduced...
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drill
Book article from: The Oxford Pocket Dictionary of Current English
...DERIVATIVES: drill·er n. drill drill 2 • n. a machine that...of plants sown in such a furrow: drills of lettuces. • v. [ tr...or machine) sow (seed) with a drill: crops drilled in autumn. ∎...
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Dental Drill
Book article from: How Products Are Made
...in turn moved the drill head. Other attempts at mechanical drills were made during...operated steel drills. Drill technology steadily...the modern dental drill with its air turbine...introduced. These drills were over 100 times...
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Belly Buster Hand Drill
Encyclopedia entry from: Encyclopedia of Espionage, Intelligence, and Security
...1950s and 1960s. Designed to drill holes into masonry, the device...when the belly buster hand drill made its debut. It has long...more sophisticated electronic drills, yet its genius lay in its sheer simplicity. The drill, on display in the CIA Museum...
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Dental Drills: High Speed and Painless (More or Less)
Book article from: American Decades
DENTAL DRILLS: HIGH SPEED AND PAINLESS...Slow Pain Before 1950 dental drills were available, but they were...an airpowered, high-speed drill. This tool was a significant...developed a water-powered drill. It ran at high speed, stayed...
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drill down
Book article from: A Dictionary of the Internet
drill down The act of navigating a set of deeper and deeper HYPERLINKS in a WEB SITE in order to find...conversations: for example, ‘I'm interested in your idea about co-ownership, let's drill down on that.’
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