Screw gear

Also found in: Encyclopedia.
Related to Screw gear: Jack screw, worm wheel, worm gear
See Spiral gear, under Spiral.

See also: Screw

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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References in periodicals archive ?
The original Allrounder had a rotation point with a screw gear drive to enable both a horizontal or vertical arrangement of the clamping and injection units.
In the other case, the continuous change of the angle and torsional direction of grooves as well as their crosssectional shape takes place through the torsional mechanism provided by a screw gear. Depending on the torsional direction, the longitudinal grooves become left or right-torsional.