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Product Assembly Kit - PowerPoint PPT Presentation


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Product Assembly Kit. C. A. Collins. The Product. A model assembly kit. A 1/72 nd scale aircraft. Rated skill level 4 of 5. Its selection was inspired by the DFA tenets associated with assembly toys. Product Assembly Drawing. Manual Assembly. Tools are required Cut parts from ‘trees’

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Presentation Transcript
the product
The Product

A model assembly kit.

A 1/72nd scale aircraft.

Rated skill level 4 of 5.

Its selection was inspired by the DFA tenets associated with assembly toys.

manual assembly
Manual Assembly
  • Tools are required
  • Cut parts from ‘trees’
  • Tweezers small parts
  • Glue & applicators
  • Paints & brushes
  • Magnifier glass
  • Speed & accuracy limited by physical skills of operators
product dfa analysis
Product DFA Analysis
  • The sum of parts totals 80 components
  • The product does not minimize parts
  • The small parts hamper assembly process
  • Gluing parts does not reduce skill or time
  • Low CAM and PAM indicate poor design
product design changes
Product Design Changes
  • Design for simplicity; join fuselage & nose
  • Minimize small parts; probes, seats, etc.
  • Drop redundant parts; windshield, etc.
  • Snap fit parts to lessen skill and time.
evaluation of the redesign
Evaluation of the Redesign
  • The parts total only 18 for a 78% reduction
  • CAM&PAM improved to 9.69 high merits
  • Snap fit parts lowers skill level, lessens time
  • Has all DFA tenets for good assembly toys
  • Has improved hard assembly probability
conclusions
Conclusions
  • Design the product so that it is easy to assemble manually – consequently it is highly probable that it will be easily assembled automatically. …Andreason