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Use case · 3D Top-Hat
Robust, compact laser marking.
Marking has to stay legible despite surface tolerances and unevenness, while housings keep getting smaller. A combi-function beam shaper replaces a full focusing system, so marks stay reliable from a compact setup with no active focus control.
Challenge
- Precise marking despite surface tolerances and unevenness
- Optimising both reject rate and marking speed
- Managing ever more compact system dimensions
Result
- Reliable marking — a combi-function shaper replaces the full focusing system
- Robust against surface tolerances and unevenness
- Compact setup — no active focus control and no f-Theta lens
One beam shaper does the job of a focusing system: extending depth of focus so marking stays sharp on uneven parts, in a fraction of the space.
Setup & conditions:
scanner · beam shaper · passive focus extension · uneven product. The extended focus depth keeps the mark in focus across surface height variation: no active focus control, no f-Theta lens. The QR-code profile is a separate example of direct marking with a shaped beam (1 mm measurement scale), included here to show what a shaped beam can write.
Compact setup: scanner, beam shaper and passive focus extension keep the mark in focus on an uneven product
Also possible: direct marking, a shaped beam writing a crisp QR code (measured profile, 1 mm scale)
Also possible: direct marking, a shaped beam writing a crisp QR code (measured profile, 1 mm scale)
Related
Product & applications in this case
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