boring mill


noun
  1. Metalworking. a machine for boring large holes in heavy work, having a table on which the work rotates while the hole is bored vertically.

Origin of boring mill

1
First recorded in 1825–35

Words Nearby boring mill

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How to use boring mill in a sentence

  • The vertical boring mill is used extensively for turning large wheels, as explained in Chapter VI.

    Turning and Boring | Franklin D. Jones
  • The turning of flywheels is a common vertical boring mill operation, and this work will be referred to in detail later on.

    Turning and Boring | Franklin D. Jones
  • It is known as a “vertical turret lathe,” but resembles, in many respects, a vertical boring mill.

    Turning and Boring | Franklin D. Jones
  • Very often more than one tool is used at a time, as will be shown later by examples of vertical boring mill work.

    Turning and Boring | Franklin D. Jones
  • This is especially true of the heavy parts for which the boring mill is principally used.

    Turning and Boring | Franklin D. Jones

British Dictionary definitions for boring mill

boring mill

noun
  1. engineering a large vertical lathe having a rotating table on which work is secured. Tools are held on a fixed post and the work is rotated around it: Also called (informal): roundabout

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012