DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2 - Department of ...

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Flow chart for typical steps taken using DFMA techniques are: Design concept DFA Selection of materials and processes and Early cost estimates Best design concept DFM prototype Suggestions for simplification of product structure Suggestions for more economic materials, processes and environmentally friendly materials Detail design for minimum manufacturing costs production
The The Advantages of of Applying DFMA 1. DFMA provides a systematic procedure for analyzing a proposed design from the point of view of assembly and manufacture. The result is simpler more reliable products which are less expensive to assemble and manufacture. 2. Any reduction in the number of parts in an assembly produces a snowball effect on cost reduction because of drawings and specifications that are no longer needed; reduced overheads. 3. Dialogue is encouraged between design and manufacturing engineers giving the teamwork an attitude necessary to concurrent engineering. Companies reporting large savings with DFMA are: Bombardier - Canadair Regional Jet Nacelles NCR - new point of sales terminals. Brown and Sharpe - measurement equipment
Page 1 and 2: Lecture 8 Working for the environme
Page 3 and 4: Reduce number of different parts -
Page 5 and 6: Reduction Number of Processes • L
Page 7 and 8: Reduce Tangling / Nesting • Takes
Page 9 and 10: Ensure Access & Visibility www.detn
Page 11 and 12: Reduce locating/alignment operation
Page 13: The concept of DFMA has been introd
Page 17 and 18: PROCEDURE FOR THE ANALYSIS OF MANUA
Page 19 and 20: The Pen Example • Take the pens a
Page 21 and 22: Orientation AXIS OF INSERTION Rotat
Page 23 and 24: Then, a plain square prism which is
Page 25 and 26: Estimated Handling Time Table Total
Page 27 and 28: Estimated InsertionTimes Source: De
Page 29 and 30: Estimated Handling Time Table Sourc
Page 31 and 32: Estimated InsertionTimes Estimated
Page 33 and 34: Estimated InsertionTimes Estimated
Page 35 and 36: CASE STUDY: controller assembly
Page 37 and 38: Design Change Item Time savings 1 c
Page 39 and 40: Thank you for your attention Thank
Page 41 and 42: DESIGN GUIDELINES FOR INSERTION AND
Page 43 and 44: DESIGN GUIDELINES for INSERTION and
Page 45 and 46: ADDITIONAL INFORMATION (cont’d) E
Page 48 and 49: ADDITIONAL INFORMATION (cont’d) H
Page 50 and 51: ADDITIONAL INFORMATION (cont’d)
Page 52: Active websites which has DFMA stud

DFA, DFM, & DFMA 2 DFA, DFM, & DFMA 2 - Department of ...

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