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Laser Marking - MIYACHI

Laser marking is a clean, fast, non-contact process which relies on the intense heat of a focused laser beam to permanently modify the surface of the material being marked. The mark can take many forms like: black carbonization, bleaching or changing the colour of a colorant in the material, physical modification of the surface finish, scribing a shallow groove by vaporization, controlled modification of the surface by melting or a combination of any of these processes.

The type of marking is dependent on the characteristics of the laser. High peak power enables engraving, while the wavelength determines the type of interaction with the material. Above 700 nm the interaction is mainly thermal. At lower wavelengths such as 532 nm and 355 nm of frequency doubled and tripled Nd: YAG lasers cause a photochemical reaction.

The marking itself can consist of alphanumeric characters, bar-codes, 2D ID Matrix, serial numbers, logos and graphics which are applied on metals, semiconductors, plastics, ceramics and other materials. In some cases the marks must be highly visible and attractive, in other cases the marks are made on obscure places or small enough to be only visible using magnification.

ECOM Series

Miyachi Unitek ECOM Series Laser Marking Systems are designed to meet the requirements of numerous production environments and applications. It shields operators from the complexities of programming, while providing supervisors full access to the marker controller and optionally the motion controller.

The integrated LMV1000E marker features single mode operation for high resolution marking with position resolutions in the 1 micron meter range, which is sufficient for making micro markings which are nearly invisible to the naked eye. The advantage of the Vanadata crystal is a short pulse width and high repetition rate which makes the laser ideal for marking heat sensitive materials such as plastics.

The marker and marking systems can be operated via a simple touch screen for the low cost systems to an easy to use Windows® XP based system with fully integrated control of the motion system.

ECOM Series laser marking systems
 

ML-7111A Vanadate Laser Marker

Miyachi Unitek Lasers manufacturers a range of diode pumped solid state laser markers. The ML-7111A is the first model which is available in Europe. This super compact Nd:YVO4 laser marker works on 220V single-phase and is air-cooled. Due to it's small size it can be easily integrated in production machines.
The ML-7111A laser consist of an extremely compact laser head, power supply, robust programmable operating device (POD) or PC. The power supply and laser head are both air-cooled, improving reliability and reducing maintenance. The unit can be completely operated from an industrial POD with touch screen or a stand-alone PC.

FEATURES:

• Very compact, robust design
• Air-cooled works on 220V single phase
• Field replaceable diode module
• Mark schedules stored on removable memory card
• Extremely well suited for integration in automated production lines
• Very stable at high repetition rates (up to 99 kHz)
• High resolution, small spot size
• Comes with free of charge Windows software

ML-7111A Laser Marker Vanadate