Laser hardening for flexible dies
Laser hardening is a process in which the tip of the cutting line is hardened by a laser, controlled by a specially developed computer controlled procedure. This gives maximum possible lifetime of the flexible die.
Benefits
Laser hardening is generally recommendable for cutting-through as well as for difficult-to-cut filmic materials in large runs.
The benefits:
- maximum possible lifetime (hardness at top of cutting line: 66-68 HRC)
- trouble-free kiss-cutting and cutting-through, also with difficult materials
- no impairing of the flexibility
- no magnetic adhesion loss
- no additional tolerance differences
Procedure
1. The complete cutting line is tempered by laser in its upper part, and then cooled off.
2. The result: A harder steel structure at the tip of the cutting edge, with homogeneous transition to the residual die.
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