Paper Information

Journal:   AMIRKABIR   SUMMER 2003 , Volume 14 , Number 55-B; Page(s) 720 To 733.
 
Paper: 

ANALYTICAL STATIC AND DYNAMIC MODELS FOR RIGID WORKPIECE HELD IN A MACHINING FIXTURE

 
 
Author(s):  BEHZADI M.R., AREZOU BEHROUZ
 
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Abstract: 

This paper presents analytical static and dynamic models of a rigid work piece held in a machining fixture in contact with locators and clamps (in a 3-2-1 scheme) and three supports (in three locating planes) influenced by machining forces and moments. The models are used to predict effects of support parameters including support position, rigidity, and preload on improving machining accuracies. Milling and creep feed grinding experiments are performed to verify the model. The model can be used to develop present computer aided fixture design systems that consider only locators and clamps in a force analysis module.

 
Keyword(s): MACHINING, FIXTURE, SUPPORT, LOCATOR, CLAMP
 
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