Double-row Slot Plunge Milling Processing Method for Integral Impellers
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United States of America
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Feb 6, 2020
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Mar 17, 2017
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Mar 17, 2017
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Abstract
A double-row slot plunge milling processing method for integral impellers, which comprises planning a double-row plunge milling cutter path along two side blades of an impeller flow channel; a cutter arrangement sequence of the cutter path following the direction of an inlet and outlet of the flow channel; determining cutter diameter according to the width of a bottom portion of a cross-section of the flow channel and segmenting the flow channel, the width of a bottom portion of the cross-section of each segmented flow channel being greater than one times the cutter diameter and smaller than two times the cutter diameter. Compared with existing methods for layer cutting of high feed, the present invention can increase rough-processing efficiency of integral impellers by more than 50%, while facilitating the elimination of plunge milling cutter bumping, and effectively reducing redundant cutter paths; the implementation process being simple and facilitating CAM software integration.
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