![]() The designer should determine the theoretical minimum quantity of parts required for the assembly. The designer should review the assembly design part by part and determine if any part can be eliminated or combined with another part. Reduce Quantity of Component Parts and Simplify Part Design The principle goals for simultaneous DFM/A are detailed below. We must work together to accomplish both goals. If the resulting parts are difficult or expensive to manufacture then you have gained nothing. The designer may seek to combine parts to reduce assembly steps, quantity of parts and hardware. But if you think about it, they must be integrated to prevent one from causing negative effects on the other. The goal is reduce the assembly time and cost. DFA techniques focus on reduction and standardization of parts, sub-assemblies and assemblies. DFM techniques are focused on individual parts and components with a goal of reducing or eliminating expensive, complex or unnecessary features which would make them difficult to manufacture. The Design for Manufacturing (DFM) and Design for Assembly (DFA) techniques are two different classifications. Many companies today are integrating the DFM and DFA practices through design and manufacturing teamwork. How to Perform Design for Manufacturing / Assembly (DFM/DFA) For effective application of DFM/A the two activities must work in unison to gain the greatest benefit. Many engineers automatically separate the two into DFM and DFA since they have been defined separately for several years. Conventionally, the design engineer designs the product then hands the drawings to manufacturing who then determine the manufacturing and assembly processes. With DFM/A, the Design and Manufacturing Engineers work together as a team in developing the product’s manufacturing and assembly methods simultaneously with the design. Through the use of DFM/A, a company can prevent, detect, quantify and eliminate waste and manufacturing inefficiency within a product design. This combination enables a product design to be efficiently manufactured and easily assembled with minimum labor cost. What is Design for Manufacturing / Assembly (DFM/DFA)ĭFMA is a combination of two methodologies, Design for Manufacturing (DFM) and Design for Assembly (DFA). ![]()
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