Press Mold [Precision Mold Design and Parts Processing Examples] Improvement of Tool Life for Carbide Punches

The lifespan of punches has tripled thanks to milling technology for hard materials! Here is a case study for a precision electronic components manufacturer.
When machining hard materials using electrical discharge machining, microcracks due to thermal effects occur during processing. These cracks penetrate to a depth of about 20μm, so no matter how much you polish the surface, they remain.
These cracks can cause wear in punches that are subjected to strong loads.
In contrast, milling does not produce any microcracks at all. Milling tools can go down to R0.1, providing a high degree of flexibility in machining shapes.
[Case Overview]
- Customer Industry: Precision electronic components manufacturer
- Inquiry: Want to improve the lifespan of hard carbide rivet punches
- Proposed Solution: Transitioning from electrical discharge machining to milling
- Technology Used: Milling technology for hard materials
- Results: The lifespan of the punches has tripled
*For more details, please refer to the PDF document or feel free to contact us.

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