Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 811
hand-wheel for raising and lowering spindle M when cutting small geers. For cutting large spuror bevel geers, the geer remains stationary, and the head to which the cutter is attached is traversedup and down by means of the crank D, which moves the pinion d, geering into a larger geer H, on… … R, guide for spindle when cutting worm, or slightly spiralled geers. When spiral geers of greaterangle are to be cut, there is a circular inclined plane of plate steel screwed to the cylindrical part of theyoke, (under the dial,) which bears on a friction roll attached to the main frame. It is kept…
Mechanical engineering
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