driving dog

American  

noun

1. (on a lathe) a clamp securing a piece of work and engaging with a slot in a faceplate.

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Example Sentences

Some machinists, when cutting a double thread, simply remove the work from the lathe and turn it one-half a revolution by placing the tail of the driving dog in the opposite slot of the faceplate.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

When a driving dog of this type is used, care should be taken to see that it moves freely in the faceplate slot and does not bind against the bottom.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

This is done by providing an extension or blank end at the point of the tap long enough to hold the driving dog.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

This error in the thread is due to the angularity between the driving dog and the faceplate, which causes the work to be rotated at a varying velocity.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.

As the driving dog is on one end, the cut cannot be taken over the entire length, and when the tool has arrived at say position x, Fig.

From Turning and Boring A specialized treatise for machinists, students in the industrial and engineering schools, and apprentices, on turning and boring methods, etc. by Jones, Franklin D.