Definitions for core drill
core drill

Princeton's WordNetRate this definition:0.0 / 0 votes

1. core drillnoun

   a drill that removes a cylindrical core from the drill hole

WiktionaryRate this definition:0.0 / 0 votes

1. core drillnoun

   A device used to remove a cylinder-shaped sample of material for examination

WikipediaRate this definition:0.0 / 0 votes

1. Core drill

   A modern core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills used in metal are called annular cutters. Core drills used for concrete and hard rock generally use industrial diamond grit as the abrasive material and may be electrical, pneumatic or hydraulic powered. Core drills are commonly water cooled, and the water also carries away the fine waste as a slurry. For drilling masonry, carbide core drills can be used, but diamond is more successful when cutting through rebar.The earliest core drills were those used by the ancient Egyptians, invented in 3000 BC. Core drills are used for many applications, either where the core needs to be preserved (the drilling apparatus used in obtaining a core sample is often referred to as a corer), or where drilling can be done more rapidly since much less material needs to be removed than with a standard bit. This is the reason that diamond-tipped core drills are commonly used in construction to create holes for pipes, manholes, and other large-diameter penetrations in concrete or stone. Core drills are used frequently in mineral exploration where the coring may be several hundred to several thousand feet in length. The core samples are recovered and examined by geologists for mineral percentages and stratigraphic contact points. This gives exploration companies the information necessary to begin or abandon mining operations in a particular area. Before the start of World War Two, Branner Newsom, a California mining engineer, invented a core drill that could take out large diameter cores up to 16 feet in length for mining shafts. This type of core drill is no longer in use as modern drill technology allows standard drilling to accomplish the same at a much cheaper cost.Core drills come with several power choices including electric, pneumatic, and hydraulic (all of which require power sources, such as a generator).

ChatGPTRate this definition:0.0 / 0 votes

1. core drill

   A core drill is a type of drill specifically designed to remove a cylinder of material, much like a hole saw, to create precise holes without damaging the surrounding areas. The material left inside the drill bit is called the core. Core drills are often used in construction, engineering, and geology to extract samples for studying or to create openings for utilities, structures, and plumbing.

WikidataRate this definition:0.0 / 0 votes

1. Core drill

   A core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. The earliest core drills were those used by the ancient Egyptians, invented in 3000 BC. Core drills are used for many applications, either where the core needs to be preserved, or where drilling can be done more rapidly since much less material needs to be removed than with a standard bit. This is the reason that diamond-tipped core drills are commonly used in construction to create holes for pipes, manholes, and other large-diameter penetrations in concrete or stone. Core drills are used frequently in mineral exploration where the coring may be several hundred to several thousand feet in length. The core samples are recovered and examined by geologists for mineral percentages and stratigraphic contact points. This gives exploration companies the information necessary to begin or abandon mining operations in a particular area. Before the start of World War Two, Branner Newsom, a California mining engineer, invented a core drill that could take out large diameter cores up to 16 feet in length for mining shafts. This type of core drill is no longer in use as modern drill technology allows standard drilling to accomplish the same at a much cheaper cost.

Matched Categories

1. • Drill

Anagrams for core drill »

1. drill core

2. drillcore

How to pronounce core drill?

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How to say core drill in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of core drill in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of core drill in Pythagorean Numerology is: 6

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=core drill
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Core_Drill
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Core_Drill
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=core drill