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A machine for cutting off metal bars and shapes; includes the lathe type using single-point cutoff tools, and several types of saws.



Related Terms

CUTTING IN

  1. An undesirable action occurring during loose-drum spooling in which a layer of wire rope spreads apart and forms 2. A thin, watertight wall of clay or concrete built up from a cutoff trench cutoff wall cutting in cutting-off machine grooves in which the next layer travels.

LATHE

A machine for shaping a workpiece by gripping it in a holding device and rotating it under power against a suitable cutting tool for turning, boring, facing, or threading.

HOBBING MACHINE

A machine for cutting gear teeth in gear blanks or for cutting worm, spur, or helical gears. Also known as hobber.

COLD SAW

  1. Any saw for cutting cold metal, as opposed to a hot saw. 2. A disk made of soft steel or iron which rotates at a speed such that a point on its edge has a tangential velocity of about 15,000 feet per minute (75 meters per second), and which grinds metal by friction.

BALER

A machine which takes large quantities of raw or finished materials and binds them with rope or metal straps or wires into a large package.

BENDING MACHINE

A machine for bending a metal or wooden part by pressure. Also known as bender.

MILLING MACHINE

[MECHENG] A machine for the removal of metal by feeding a workpiece through the periphery of a rotating circular cutter. Also known as miller.

INSERT BIT

A bit into which inset cutting points of various preshaped pieces of hard metal (usually a sintered tungsten carbidecobalt powder alloy) are brazed or hand-peened into slots or holes cut or drilled into a blank bit. Also known as slug bit.

PLASMA-ARC CUTTING

Metal cutting by melting a localized area with an arc followed by removal of metal by high-velocity, high-temperature ionized gas.

GEAR CUTTER

A machine or tool for cutting teeth in a gear.

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