Managing Change and Reconfigurations of CNC Machine Tools
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Several factors must be considered to effectively manage process change. However, when changing or reconfiguring a system, care should be taken to assure that the changes minimize deviations from the original manufacturing process plans in a controlled manner. The new system configuration should utilize much of the original programs, tooling, fixturing, material handling, and inspection equipment in order to minimize the chances of introducing new quality or logistics issues. A systematic, spreadsheet based methodology for assessing configurations or reconfigurations for CNC machine tools is presented. This methodology can be used in the initial planning stages, or when a change is introduced into the system. Heuristics are utilized that consider the physical and functional characteristics to determine a candidate machine’s suitability. The application of this methodology is demonstrated using practical examples.
KeywordsTool Path Compatibility State Spindle Speed Kinematic Chain Machine Type
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