Comparison in press tools and stamping processes
Category of Press Tools
Keiaisha provide a wide range of press stamping products based on the experience and trust we have earned in the automotive business.
Tandem die
・The monthly quantity is less than 1,000 pieces.・The product is not suited for either progressive or transfer process.
Progressive die
・The monthly quantity exceeds 1,000 pieces and structurally capable.・The shape of the product is not complex.
Transfer die
・The monthly quantity is high.・The shape of the product is more complex.
・The product is not suited for the progressive press process.
Criteria for the determination of a press
- material (hardness and availability in coil)
- material thickness (press specs. and leveler feeder are also considered)
- monthly quantity
- shape
| Process | Progressive | Transfer | Tandem |
|---|---|---|---|
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| Automatic Processing | Manual Processing | ||
| Applicable Production Quantity |
more than 1,000 pcs./mo. | mo. qty. is high | less than1,000 pcs./mo. |
| Based on the monthly quantity, die structure is set to build either one out, two out, or a set out. | Normally, sheet metals are used for this process, but if the weight of a coil is permissible, blanking is also available. | ||
| Speed | fast | med. | slow |
| Cost | low | med. | high |
| Adaptability to complex shape | easily perform | med. | difficult |
| Material Usage Ratio | low | high | med. (if coil, similar to transfer) |
| Tooling cost | med. | high | low |
