FIELD: technological processes.
SUBSTANCE: broach comprises sections fixed onto common foundation in sequence identified by processing technology and including bodies, on which processing modules are installed with monolithic or composite metal tools for rough, finishing and final processing operations. Besides processing modules are arranged with the possibility of additional displacements in processing plane versus foundation. In order to improve quality and efficiency of processing, it is equipped with at least one metal-processing section, where processing module is arranged with abrasive tool, and at least one lubricating section for application of lubricant onto processed surface of item. Besides processing modules are arranged with facilities for compensation of impact loads at tool in process of finishing in the form of elastic elements, moreover, action of their elastic forces is directed along normal line to tangent in point of tool contact with processed surface of item.
EFFECT: improved accuracy and efficiency of processing.
19 cl, 21 dwg
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Authors
Dates
2010-01-27—Published
2008-04-09—Filed