PD-Trak™ Design for Manufacturability/Assembly EvaluationDesign for Manufacturability/Assembly (DFM/A) refers to the principles of designing parts and assemblies so that they are more manufacturable. DFM/A principles (see list of principles) address general part size and geometry for handling and orientation, features to facilitate insertion, assembly orientation for part insertion and fastening, fastening principles, etc. The objective of DFM/A is to reduce manufacturing effort and cost related to assembly processes. A paper titled "Design for Manufacturability / Assembly" describes the DFM/A methodology and benefits. The Product Development Tools contain a DFM/A Evaluation Worksheet. The worksheet provides a simple to use assessment methodology to evaluate concepts and designs early in the development process before sufficient information may be available to use more formal DFM/A analysis software (e.g., Boothroyd and Dewhurst, GA Seer DFM, Team Set, etc.) or companies that don't want to make a more significant investment in DFM/A software. An example of the DFM/A Evaluation Worksheet from the PD-Trak system is shown below.
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