UNISIG highlights benefits of trepanning

Published Date
June 30, 2020 - 03:00:pm

UNISIG, Menomonee Falls, Wisconsin, demonstrates why trepanning is beneficial when drilling deep holes that are too large for high-pressure coolant drills or gundrills. Utilized in the aerospace, defense, material production, as well as oil and gas industries, trepanning reportedly offers higher productivity in many applications and uses less power than other drilling strategies. 

Related Glossary Terms

  • coolant

    coolant

    Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.

  • trepanning

    trepanning

    Drilling deep holes that are too large to be drilled by high-pressure coolant drills or gundrills. Trepanning generates a solid core and normally requires a big, powerful machine. Shallow trepanning operations can be performed on modified engine or turret lathes or on boring machines. See boring; drilling; spade drilling.

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