With only one month until a model change, the customer could not find an acceptable solution to their problem – which was that his engineer was having great difficulty designing a spring with sufficient load for a glove box lid and pressure was building as the deadline approached. An Advanex representative brought the engineer and the product to the Koriyama Prototype Center to help solve the problem.
For this difficult problem, Advanex was able to meet the customer’s deadline through:
- Rapid prototyping and testing at the Koriyama Prototype Center
- Excellent support and communication
- Knowledge and advanced methodology
The customer’s problem was that if the spring load was too high, the glove box lid would not open; too low, and vibrations from the car would cause the lid to open. The engineer tested many spring variations but could not find an optimal solution.
With the deadline quickly approaching, the engineer made a drawing of a spring and sent it to the Koriyama Prototype Center. Based on this drawing, and with the advantages of numerical control machines and specialists, samples were prepared in increments of 1 newton around the engineer’s calculated optimal load.
The customer’s engineer then visited this facility and was presented with the spring samples, whereby he fitted them to the glove box and lid assembly. Choosing the best spring, the engineer returned to the customer’s site and proved that the spring passed the durability tests.
However, during assembly, the engineer discovered a possible risk of injury due to the sharp end of the spring. The engineer redesigned the spring to remove this risk and sent the drawings back to Advanex. The spring was redesigned, further improved and finally, after several trials, the ideal spring was supplied within the customer’s one month deadline.
Plastic parts manufacturer
Car glove box
One month after development request
To have a specific required load
Prototyping and testing, development speed
Exceeded expectations with a very fast lead time
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