چکیده مقاله
In serial kinematic machine tools SKM the motion of the machine axes are directly translated to the tool center point TCP , but in most parallel kinematic machine tools PKM the motion is transformed to the TCP nonlinearly In this paper, for comparison radial error in SKM and PKM, the tracking error transformation from joint space to the TCP and the resulting contour error are modeled As in machining processes the contouring accuracy depends on motion precision, the generation of the contour error in circular trajectory in SKM and PKM is presented In contrast to conventional kinematics the radial deviation in PKM machining is not constant Radial error in PKM is a function of the programmed radius, transformed drive tracking error, velocity gain and velocity transformation A formula for the radial deviation with PKM is given and calculated for bipod and tripod example mechanisms
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نویسندگان
شیوه ارجاع
KUHFUSS, B and SCHENCK, C and AMIRIAN, G,1386,Comparison of Radial Deviation in Serial and Parallel Kinematic Machining,02nd Tehran International Congress on Manufacturing Engineering (TICME2007),Tehran
ارائهشده در
مجموعه مقالات دومین کنفرانس بین المللی و هشتمین کنفرانس ملی مهندسی ساخت و تولید10 اسفند 1386 · تهران