A tool deflection compensation system for end milling accuracy improvement

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In an effort to reduce machining surface errors due to tool deflection in the end milling process, methods regulating cutting forces have been implemented with online feed rate controls. Such schemes are able to improve the parts dimensional accuracy, but unfortunately they can exhibit undesirable aspects in which the alleviation of the cutting conditions deteriorates the productivity. In addition the frequent changes of the feed rate would spoil the surface quality. As a new approach to achieve the precision machining efficiently, this paper introduces a tool deflection compensation system. This compensation system is a computer controlled special tool adapter which is capable of measuring the cutting forces and minutely adjusting the position of the tool without interfacing with the NC controller of the milling machine. Such a system allows for on-line estimation of the teal deflections and reduction of the surface errors. Experimental investigations for typical shaped workpieces representing various end milling situations are performed to verify the ability of the system to suppress the surface errors due to tool deflections in more productive machining condition.
Publisher
ASME-AMER SOC MECHANICAL ENG
Issue Date
1998-05
Language
English
Article Type
Article
Keywords

CUTTING FORCE; ADAPTIVE-CONTROL; FEED RATE; PREDICTION; DYNAMOMETER; SIMULATION; SURFACES; CUTTER

Citation

JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME, v.120, no.2, pp.222 - 229

ISSN
1087-1357
URI
http://hdl.handle.net/10203/76808
Appears in Collection
ME-Journal Papers(저널논문)
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