Case Study 37 of Industrial Engineering ONLINE Course
Industrial Engineering Case Studies Collection
Function: contain 200 gallons of gasoline in a US Navy landing .
Cost of present design $520. One tank made of special high-cost alloy steel.
Blast: Four 50-gallon standard oil drums. It was agreed to proceed to the next stage and see if viable concept can be generated or developed.
Create phase ideas:
1. Use 250-gallon oil tank as basis.
2. Develop a new design with welded joints.
3. If the standard oil drums are not suitable, use appropriate coatings.
Gasoline tank (p.57)
Miles gave an example of 200 gallon gasoline carrying tank for US Naval landing craft used for moving tanks etc. in amphibian mode from shore to shore.Function: contain 200 gallons of gasoline in a US Navy landing .
Cost of present design $520. One tank made of special high-cost alloy steel.
Blast: Four 50-gallon standard oil drums. It was agreed to proceed to the next stage and see if viable concept can be generated or developed.
Create phase ideas:
1. Use 250-gallon oil tank as basis.
2. Develop a new design with welded joints.
3. If the standard oil drums are not suitable, use appropriate coatings.
Refine: At the end of evaluation of create phase, third alternative of using coating was found to be more appropriate and during refine phase the new design using four standard oil drums with a total cost of $25 was used. Appropriate coatings were specified to assure reliability and life. The total cost came to $80.
As the order for the landing craft was for 1000 numbers, total cost savings of $440,000 was accomplished during the 1950s. A substantial cost reduction in design was made by the use of philosophy of product industrial engineering. Industrial engineers with cost reduction focus can search and create cost reduction redesigns that give substantial savings and worth the redesign effort.
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