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What is Purpose of Back Gear in Lathes about?

The document discusses back gear mechanisms used in lathes to provide a wider range and lower reduction of spindle speeds. It describes how back gears are an additional part of the belt drive located on the back of the cone pulley. The gears can be disengaged or engaged as shown in a figure. It also mentions that modern lathes commonly use an all geared drive headstock which uses a set of sliding gears on a splined shaft to mesh with different gears and provide multiple spindle speeds.

Author

netlvr0

Language

EN