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Capability

Laser Kiss-cutting

Kiss-cutting cuts through the top layers of a laminate and stops at the liner, so parts stay on the carrier for handling and dispensing. The laser holds that depth digitally, so the cut stops in the adhesive rather than in the liner, and no die wears. The trial finds the depth window that releases the part and leaves the liner intact.

Rows of laser kiss-cut round parts on a release liner

How it works

The recipe sets beam power and speed so the energy runs out at the target layer. Depth is a recipe rather than a mechanical setting. The same machine kiss-cuts a 50 µm label stock and a 3 mm foam gasket with a parameter change.

Process envelope

Depth controlDigital, per layer
FormatsRoll-to-roll or sheet
RegistrationTo print
ToolingNone

Every rotary die kiss-cut has a depth that drifts as the blade wears. A laser kiss-cut has a depth that is a number in a recipe, and it is the same number on the last roll as on the first.

See it run

Kiss-cut stickers, order to order without a die — A LaserSharp module on a narrow-web line changes sticker geometry between orders from LightGuide, on the running web.
Pipe markers, kiss-cut from the file — Printed pipe markers cut to outline through the face stock while the liner stays intact — no die, and the next legend is a file change. Archival footage, 2020.
Registration marks and job codes on a kiss-cut sheet — How the machine finds the print before it cuts the label, and how a data matrix code tells it which job is running.