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Cutting Force Regulation in Milling Process Using Sliding Mode Control
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 Title & Authors
Cutting Force Regulation in Milling Process Using Sliding Mode Control
Lee, Sang-Jo; Lee, Yong-Seok; Go, Jeong-Han;
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Recent noticeable advances of CNC machine tools have considerably improved productivity and precision in manufacturing processes. However, in the respect of productivity some defects still remain because selection of machining conditions entirely depends on the experiences of programmers. Usually, machining conditions such as feed rate and spindle speed have been selected conservatively by considering the worst cases, and it has brought the loss of machining efficiency. Thus, the improvement of cutting force controller has been done to regulate cutting force constantly and to maximize feedrate simultaneously in case that machining conditions change variously. In this study, sliding mode control with boundary layer is applied to milling process for cutting force regulation and in a commercial CNC machining center data transfer between PC and PMC (programmable machine controller) of CNC machine is done using a standard interface method. And in the cutting force measurement, an indirect cutting force measuring system using current signal of AC servo is adopted in order not to use high-priced equipment like tool dynamometer. The purpose of this study is to maximize the productivity in milling process, thus its results can be applied to cases such as rough cutting process.
Productivity;Milling Process;Cutting Force Regulation;Sliding Mode Control;Indirect Cutting Force Measuring;Current signal;
 Cited by
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