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How will a significant increase in cutting speed affect overall heat transfer during orthogonal cutting?

a. At higher cutting speeds a larger percentage of heat generated is carried away by the chip.

The correct application of cutter selection, speeds, feed and coolants are critical for production productivity. Also, the material being machined.

Feeds and speeds used in machining are inter-related. There is a right combination of feed and speed, suitable for the combination of surface finish.

see the following links:

http://www.efunda.com/processes/machining/chip_formation_2.cfm

http://ecncmachining.info/

Mav

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