Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/36575
Title: 3-Axis and 5-Axis Machining with Stewart Platform
Authors: NG CHEE CHUNG
Keywords: 3-axis machining, 5-axis machining, NC post processor, inverse kinematics, Stewart Platform, parallel kinematics manipulator
Issue Date: 13-Aug-2012
Source: NG CHEE CHUNG (2012-08-13). 3-Axis and 5-Axis Machining with Stewart Platform. ScholarBank@NUS Repository.
Abstract: Stewart Platform requires a simultaneous control of the six individual links to achieve the final position of the platform. A specially defined postprocessor has developed to achieve automatic conversion of CNC codes, which have been generated from commercial CAM packages based on the CAD models, to control a Stewart Platform to achieve the machining purposes. Calibration of the accuracy of the developed NC postprocessor program has been performed based on actual 3-axis and 5-axis machining processes performed on the Stewart Platform. A machining frame with a spindle was designed and developed, and a feedback system was implemented based on wire sensors mounted linearly along the actuators of the platform. Furthermore a hybrid 3-.UPU (Universal Joint-Prismatic-Universal Joint) parallel manipulator was fabricated and studied for different structural designs of Stewart Platform. Experimental data was collected and analyzed. The improvement was made on the configuration of the system.
URI: http://scholarbank.nus.edu.sg/handle/10635/36575
Appears in Collections:Ph.D Theses (Open)

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