Laser Technology Used Effectively on Laser Marking Systems

by:cycjet     2020-06-13
LASER is the mechanism for emitting electromagnetic radiation, as light or visible light, via the process of stimulated emission. Laser is the acronym of Light Amplification by Stimulated Emission of Radiation. The growing number of industries and the competition among them will always force them to introduce latest technology, this provide implementation of Laser systems for many industrial applications including cutting, marking, stamping, embossing and engraving. At this point difference of laser marking systems from other connected with marking is the unique combination of speed, permanence and the flexibility of computer control. The software used for laser marking system is accessed via a PCI interface card. This sends the digital signals of the internet based marking or etching files to the motors and directs the laser beam to the product being laser marked. Lasers put to use for marking are CO2 Lasers it will create permanent codes for lifetime traceability, this will reduce manufacturing costs and can often be integrated with automated structures. Excimer Lasers - are available in pursuing UV laser wavelengths: 157 nm, 193 nm, 248 nm, 308 nm and 351 nm. It a brand new applied on Inkjet Nozzle Drilling, Marking Eye Glasses etc. YAG Lasers - are most often used as the base platform for producing different wavelengths when it is properly configured. The most versatile wavelength is Infrared (1064nm). This wavelength is helpful to mark a variety of materials including metals, ceramics, composites, and some plastics. Different types of processes involved in laser marking systems are: Surface Annealing Surface annealing will draw carbon and/ or oxides from the base material for getting a contrasting mark. The marking beam will produce sharp contrasting line to surrounding area with little or no penetration. This is excellent for applications where a smooth, undamaged surface and contrast is needed. The surface annealing is used mainly on medical implanting, bearings, tooling etc. Surface Etching Surface etching will be the ability to alter reflectivity and enhancing contrast of metals by changing top finish of metals. This is one of the most typically used laser marking technique whose Penetration depth is generally not more than 1.0001' deep. Ablating Ablating is used to create contrast without damaging the base material, this method is commonly done with anodized aluminum, backlit buttons, and painted steel. Thermal Marking Procedure works by controlling heat using different laser parameters such as marking speed, pulse frequency, power, and focus. It is mainly applied to certain alloys which results colored variations. Engrave Marking In this particular method depth required is produced via vaporization of base material. This connected with marking is identical to surface etching; is just used typically for 0.0001' to 8.005' depth. Repeated passes will increase the depth of the objective. Specialty Marking The specialty marking system is regularly used in plastics. Contemplation beforehand . change in contrast naturally in some plastics by heat or coupling having a wavelength which causes a chemical change. Additives can also use with most plastics to achieve different colors. One of the example of Specialty Marking is Product Traceability, which will be the ability of a manufacturer to trace a product through its processing procedures and to also have the ability to re-trace a product back to producer.
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