NDLI: Assessment of machining performance using the wear map approach in micro-drilling

Content Provider	Springer Nature Link
Author	Imran, Muhammad Mativenga, Paul T. Withers, Philip J.
Copyright Year	2011
Abstract	It is well established that nickel-based super alloys exhibit poor machinability. One of the challenges in micro-drilling of these alloys is to increase productivity while maintaining acceptable tool wear rates. In this regard, the wear map approach is a useful way to identify an operating window of cutting conditions. The progression of tool wear has been studied in relation to tool edge radius and undeformed chip thickness. A characteristic wear map of cutting conditions is constructed for the micro-drilling process. This helps identify the zones of lowest wear rate, commonly referred to as safe zones, as well as a scale effect in the micro-domain. The new wear rate map provides a quick and useful reference for selecting suitable cutting conditions with the aim of reducing manufacturing costs and/or increasing production rate for micro-drilling. A preliminary tool wear mechanism study suggests that abrasion, adhesion and micro-chipping are the active tool wear modes associated with wet micro-drilling of nickel-based super alloys.
Starting Page	119
Ending Page	126
Page Count	8
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	59
Issue Number	1-4
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-08-19
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wear map Drilling Wear mechanism Machining Micro-machining Tool life Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Industrial and Production Engineering Production/Logistics/Supply Chain
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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