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Data change control procedure The fact that CAD/CAM/CAE data can be easily modified must not detract from the necessity for a formal change control process. The special importance of such control for CAD/CAM/CAE is that although any change to a three-dimensional model may be relatively simple, a large number of derived drawings, listings, and NC information, as well as output to linked systems such as ERP - could be affected. If this derived information is not updated and reissued consistently, the manufacturing process will suffer. Scope This procedure details the control of change to all released CAD/CAM/CAE data from any source. Content The method of reviewing, accepting, and implementing change to CAD/CAM/CAE data. Checklist Review change, and establish its impact on CAD/CAM/CAE data. Estimate the project and financial implications. Approve execution of change. Change data at the highest level, progressively increasing the level of detail. Identify all affected released documents and transmitted data files that require modification. Schedule and perform the change to all derived data. Release the changes.

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