Question 646General Subjects - Assistant Engineer
70% to passIf you are machining work held between lathe centers, and the lathe centers begin to squeal, you should first _______________.
Achange the cutting bit
Brun the lathe at a slower speed
Cstop the lathe
Dlubricate the centers
AI Explanation
The correct answer is C) stop the lathe. If the lathe centers begin to squeal while machining work held between them, the proper action is to stop the lathe immediately. Continuing to operate the lathe with squealing centers can cause damage to the centers and workpiece. Stopping the lathe allows for inspection and proper lubrication or adjustment of the centers to resolve the issue before resuming operations. The other options are incorrect because changing the cutting bit or running at a slower speed would not address the underlying issue with the lathe centers. Lubrication may help, but should only be performed after stopping the lathe to prevent further damage.
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