Laser black marking for demanding applications

December 15, 2020 by Coherent
Coherent Black Marking Scissor

ExactMark 230 Simplifies Laser Black Marking

Laser black marking applications for medical devices, automotive, and consumer products, as well as other advanced marking tasks, are all streamlined and automated by the new ExactMark 230 USP from Coherent. This highly integrated system combines our PowerLine Rapid NX ultrafast laser marker and motion hardware together with user-friendly software to produce high-contrast permanent marks on metals such as stainless steel, titanium, and aluminum as well as various plastics including PEEK/PPSU.

Laser black marking on reusable medical device

Laser black marking of metals is based on nanostructuring of the surface to produce a high-contrast light trapping layer. This marking technique is particularly well-suited to mandatory UDI marking of stainless steel medical reusables since the marks do not compromise passivation and resist fading and corrosion even after repeated harsh sterilization. Plus the same system marks plastics with no thermal discoloration.

All ExactMark 230 USP machines are supplied with a vertical linear motion axis (Z) for focal height adjustment and can be configured with multiple other axes of motion as options. Control is via an easy-to-use GUI with a 24” (610 mm) touch screen monitor. The Laser FrameWork software suite integrates all the functions of the system and a library of intuitive routines simplifies the task of creating the recipe for each marking application. In addition, the system’s mechanical, electrical, and pneumatical interfaces are all designed to enable straightforward integration of customer designed fixtures.

ExactMark 230

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