Journal
COMPUTER-AIDED DESIGN
Volume 40, Issue 3, Pages 324-333Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cad.2007.11.005
Keywords
design; end mill; cutting simulation; solid modeling
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Funding
- National Research Foundation of Korea [과C6B1812] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This paper describes a design process for an end mill. A solid model of the designed cutter is constructed together with the computation of the cutter's geometry, wheel geometry, and wheel positioning data for fabricating end mills with the required cutter geometry. The main idea of the process is to use the cutting simulation method to obtain the machined shape of an end mill by using Boolean operations between a given grinding wheel and a cylindrical workpiece (raw stock). The major design parameters of a cutter, such as rake angle and inner radius, can be verified by interrogating the section profile of its solid model. This study investigates the relationship between various dimensional parameters and proposes an iterative approach to obtain the required geometry of a grinding wheel and cutter location (CL) data for machining an end mill that satisfies the design parameters. This research was implemented using a commercial computer aided design (CAD) system with API function programming and is currently used by a commercial tool maker in Korea. It can eliminate the need to produce a physical prototype during the design stage and can be used in virtual cutting tests and analyses. (c) 2007 Elsevier Ltd. All rights reserved.
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