Over processing described as a work that appears to be value-added but actually adds no value to the product from the customer's view point.
Example:
- Machines that are slower or faster
- Drilling a hole instead o punching it
Costs of over processing:
a. Extra time spent on processing.
b. Extra material used on processing.
c. Costs of energy.
d. Overly expensive equipment.
Causes over processing:
a. Unclear customer requirements.
b. Complex designs.
c. Lack of communication.
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