milling machine

milling machine

noun

Definition of MILLING MACHINE

: a machine tool on which work usually of metal secured to a carriage is shaped by rotating milling cutters

First Known Use of MILLING MACHINE

1849

Rhymes with MILLING MACHINE

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milling machine

noun    (Concise Encyclopedia)

Machine tool that rotates a circular tool with numerous cutting edges arranged symmetrically about its axis, called a milling cutter. The metal workpiece is usually held in a vise clamped to a table that can move in three perpendicular directions. Cutters of many shapes and sizes are available for a wide variety of milling operations. Milling machines cut flat surfaces, grooves, shoulders, inclined surfaces, dovetails, and T-slots. Various form-tooth cutters are used for cutting concave forms and convex grooves, for rounding corners, and for cutting gear teeth.