Design for (Cost Effective) Assembly and Manufacturing
Design for Assembly DFA:
While designing a product it is vital that we have a multi layer approach. This method makes it easier to eliminate quality and assembly issues at the production stage. Basically we aim to design a product that can be assembled easily.
‘…Optimization of the part/system assembly’
DFA is a tool used to assist the design teams in the design of products that will transition to productions at a minimum cost,focusing on the number of parts, handling and ease of assembly.
Design for Manufacturing DFM:
Definition: DFM is the method of design for ease of manufacturing of the collection of parts that will form the product after assembly.
‘Optimization of the manufacturing process…’
DFA is a tool used to select the most cost effective material and process to be used in the production in the early stages of product design.
Design for Assembly (DFA)
concerned only with reducing product assembly cost
minimizes number of assembly operations
individual parts tend to be more complex in design
Design for Manufacturing (DFM)
concerned with reducing overall part production cost
minimizes complexity of manufacturing operations
uses common datum features and primary axes
Both DFM and DFA seek to reduce material, overhead, and labor cost.
They both shorten the product development cycle time.\
Both DFM and DFA seek to utilize standards to reduce cost
Design for Manufacturing (DFM) and Design for Assembly (DFA) are now commonly referred to as a single methodology,