Definition
Cutting a wide web into narrower rolls with controlled edge quality, winding tension, and roll build.
Applications
- Custom widths for FFS
- Label stock
- Multiple SKU widths from one master roll
Benefits
- Improves equipment fit
- Reduces downtime
- Ensures clean edges for sealing and tracking
Industry Examples
- Medical: precision slits for pouch-making webs where registration is critical.
- Industrial: slitting heavy laminates without edge cracking or telescoping.
- Electronics: precisely cuts static-dissipative master rolls to widths required for automated ESD bag production.
FAQ
Q: What causes edge weave?
A: Tension imbalance, poor guiding, or uneven roll build.
Q: Why do slit edges matter?
A: Rough edges can cause tracking issues and seal contamination.