back gear
(in a lathe) one of several gears for driving the headstock at various speeds.
Other words from back gear
- backgeared, adjective
Words Nearby back gear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use back gear in a sentence
The head stock of a lathe—the back gear in particular—is about as hard a thing to improve as the link motion of a locomotive.
Referring again to Fig. 494, g′ is the pinion to drive the back gear while g receives motion from the back-gear pinion.
Modern Machine-Shop Practice, Volumes I and II | Joshua RoseAnother plan is to let the back gear move endwise and bush its bearing holes with hardened steel bushes.
Modern Machine-Shop Practice, Volumes I and II | Joshua RoseAs shown in the sketch, g is in one of these grooves while h is the other, but when the back gear is in, g would be in h.
Modern Machine-Shop Practice, Volumes I and II | Joshua RoseVarious methods of moving the back gear into and out of gear with the cone spindle gears are employed.
Modern Machine-Shop Practice, Volumes I and II | Joshua Rose
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