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Product Title: Hole Quality in Drilling of Annealed Inconel 718

Updated from Personify: 2013-08-12

Personify Product Code: TP04PUB223

Personify Product ID:       127173

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Author: Dr M A Mannan, Syed E Alsagoff



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Published Date: 2004-07-13

Page Count: 10

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Product Type:   TECHPAPER




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This paper reports the results of an investigation on the machinability of Inconel 718 in drilling operations in terms of the quality of drilled holes. The size and out of roundness of drilled holes was measured and analyzed after drilling at different speeds and feeds using TiAlN-coated, PM HSS stub drills with two different geometries. The performance of drills with split-point geometry was compared with the one with conventional geometry under wet conditions. A cutting speed in the range of 10-15 m/min. and a feed rate range of 0.05-0.1 mm/rev was established prior to this investigation. Authors: Syed Elwi Alsagoff, M. A. Mannan, National University of Singapore, Singapore.


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