The lifetime of the cutting plates

The lifetime of the cutting plates is depends on the followings:

Material of the die cutting plate
Material you cut on it
Cutting pressure
Quality requirements
Die cutting machine

The usual lifetime of the cutting plates is about 500...5000 cutting.
Sometimes after few hudred cutting you can see some quality problem, but if you cutting soft materials perhaps you can make even 10.000 sheets without quality loss.
The soft plastic cutting plates (for eg. polyamid) having ashorter lifetime.
The harder plastic (pl. POM) have a longer lifetime and offering better cutting quality.
The textolit even harder, in normal circumtanceshaving a long lifetime, but with a too much pressure can it damage quite quickly.
The composit material (for eg. rubber/hard plasic or especially rubber/steel) having longer lifetime.