Deep hole drilling is a family of drilling processes used when the ratio of hole depth to

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”Deep hole” drilling is a family of drilling processes used when the ratio of hole depth to hole diameter exceeds 10. Successful deep hole drilling depends on the satisfactory discharge of the drill chip. An experiment was conducted to investigate the performance of deep hole drilling when chip congestion exists (Journal of Engineering for Industry, May 1993). Some important variables in the drilling process are described here. Identify the data type for each variable.
a. Chip discharge rate (number of chips discarded per minute)
b. Drilling depth (millimeters)
c. Oil velocity (millimeters per second)
d. Type of drilling (single-edge, BTA, or ejector)
e. Quality of hole surface

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Statistics For Engineering And The Sciences

ISBN: 9781498728850

6th Edition

Authors: William M. Mendenhall, Terry L. Sincich

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