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Definition: Design for Manufacture & Assembly (DFMA)
DFMA or Design for Manufacture and Assembly is framed by combining two methodologies, namely Design for Manufacture and Design for Assembly. Design for Manufacture refers to the design for ease of manufacture of the parts that will form a product while Design for Assembly refers to the design of the product for ease of assembly.
DFMA forms the basis guiding the design team in simplifying the structure of the product, thus reducing costs incurred in the manufacturing and assembly of the product. DFMA acts as an important measure for quantifying the improvements achieved in the designing of the product. It forms a component of Lean Manufacturing due to its functionality to identify, quantify and eliminate waste or inefficiency in a product design. It also functions as a tool enabling detailed comparison with competitor’s products and as the cost constraint calculator to support the negotiations with suppliers.
Advantages of applying DFMA include:
• It helps produce high performance, competitively priced product at a minimal cost
• It helps to reduce the time to market and quality of the product
• It helps analyse a design from assembly and manufacture point of view
• It helps in reduction of inventory and the subsequent costs involved
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