Ultimate Die for your best Products "Tokyo-ACE"

Punch for Rivet and Electric Contact

Carving Punch (Punch for Rivet and Contact)

Carving Punch (Punch for Rivet and Contact)

Sample process position, target dimension

・Work material : Ultra fine Tungsten Carbide G5, G6
・Process machine, Micro Precision Process machine (No electrical discharge process).
・Mirror finish by Lap-less.
Bottom surface roughness :Ra0.05μm(same as lapping finish)

Difference to traditional process

1.Largely shorten a process time and 24 hours continuous process.

Process time of one piece
Traditional process:
Sinker electrical discharge machining + electrode Production + lapping
= 50 minutes
Tokyo Byora process
Direct carving =15 minutes.

2.Achieved a big cost down

Running cost becomes 1/5~1/10 in comparison with traditional process.

3.Realized a quality improvement.

No micro crack nor hardened layer like electrical discharge.
Maximum potential of Tungsten carbide can be utilized.

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