For a longer tool life

With high demands on the tool material (45% GF), ASSAB was able to help this customer enhance the tool life by using the right tool steel and optimized heat treatment for this particular acoustic part in a major mobile phone brand.

Final product : Acoustics part of mobile phone
Work material : Polyacrylates + 45% Glass fibers
Tool part: Insert
Operation: Injection Moulding

Reference tool steel
Hardness ~ 50-52 56-58
Failure mechanism Wear Still running
Total tool life 120,000 500,000


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