It will be noted that the helix angle for drills is different for different groups of workpiece

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It will be noted that the helix angle for drills is different for different groups of workpiece materials. Why?

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Manufacturing Processes for Engineering Materials

ISBN: 978-0132272711

5th edition

Authors: Serope Kalpakjian, Steven Schmid

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Question Posted: Jul 18, 2016 09:08 AM

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It will be noted that the helix angle for drills is different for different groups of workpiece

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Manufacturing Processes for Engineering Materials

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