CHATTER PREDICTION OF END MILLING IN A VERTICAL MACHINING CENTER
โ Scribed by S.K. KIM; S.-Y. LEE
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 512 KB
- Volume
- 241
- Category
- Article
- ISSN
- 0022-460X
No coin nor oath required. For personal study only.
โฆ Synopsis
The development of a high-speed and high-precision vertical machining center had been executed as a national project in Korea. In the machining center, the phenomenon of chatter vibration was an important factor, and should be examined for developing it by a relevant way. In a high-speed and high-precision vertical machining center, in order to observe and predict the chatter vibration, "rstly, modal testing was performed to obtain modal parameters of the system. Secondly, in order to predict the cutting forces for end-milling process under various cutting conditions, a simpli"ed model was presented. Finally, the chatter prediction for the vertical machining center was formulated as linear di!erential}di!erence equations, and veri"ed by the cutting tests. The method in this work will provide an engineer who designs a machining center with a tool to predict the chatter phenomenon.
๐ SIMILAR VOLUMES
The strong demand for increasing productivity and workpiece quality in high-speed milling make the machine-tool system has to operate close to the limit of its dynamic stability. This requires that the chatter stability is predicted accurately to determine the optimal milling parameters. An analytic
A new approach for modelling and simulation of the cutting forces in helical end milling processes is presented. In this approach, the cutting forces in helical end milling are modelled based on a predictive machining theory, in which the machining characteristic factors are predicted from input dat
Almtraet--The surface quality--including residual stress, surface roughness, and work hardening--of workpieces machined by end-milling results from the cutting conditions and tool geometries. The parameters considered in the present work are the cutting speed, feed, depth of cut, tool nose radius an