truing

English

Etymology

true +‎ -ing.

Noun

truing (countable and uncountable, plural truings)

  1. The alignment (and cutting) of a wheel (especially a grinding wheel) such that its surface is concentric with its axis.
    • 1956, Grits and Grinds, Norton Company, page 41:
      The wheel slides are purposely slightly under-compensated, causing the work to approach an oversize condition after several truings.
    • 1969, Machinery, Volume 75, Industrial Press, page 78:
      As many as twenty titanium alloy test specimens can be ground between truings.
    • 1986, R. L. Mahar, “Grinding with Superabrasives”, in Robert I. King, Robert S. Hahn, editors, Handbook of Modern Grinding Technology, Chapman and Hall, page 106:
      CBN[cubic boron nitride (abrasive)] wheel roundness to within .0001 inches (.0025mm) is considered satisfactory; however, roundess[sic] to 1 micron (.000040 inches) or less will extend the number of parts between truings.

Translations

Verb

truing

  1. present participle and gerund of true

Anagrams
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