Laser Marking Systems FAQ

You will find the following information here:

What is the difference between the various types and power levels of lasers and which one is right for my application?

Most coding lasers fall into 3 basic groups; 10 watt, 25-30 watt, and 40+ watts. Most of the current systems employ steered beam technology (using x-y axis galvos and providing solid font characters). The power class you require is application-dependent. Power equals speed, so the faster the line, the more power that is required. Other factors such as substrate and code content should also be considered (see below).
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What variables should be considered when selecting the appropriate laser marking system?

Factors to be included in evaluating the correct system include line speed, pitch (spacing) between products, substrate (material) to be marked, code content (amount and field size), environmental conditions and integration needs.
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What interfacing options are available?

You have the option of using a membrane-based handheld controller, an external touch screen operator interface, or a PC (with our Smartgraph software). For connection to PLCs there is a Customer Interface Box that allows an 8 bit/line (256 template) digital input selection.
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Do products need to be moving in order to be laser marked?

Our steered beam lasers can mark products in motion as they travel on a production line. They can also mark in a stationery or static mode where the product does not move and the laser mark is applied.
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What is the typical preventive maintenance (PM) for the system?

Basic preventive maintenance is minimal and dependent on application conditions such as a dusty or wet environment. The filters in the fume extractor will need to be changed periodically and you should also check and clean the front optics (as needed). Depending on the operating conditions and usage, a more detailed PM is recommended on a yearly basis.
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What safety considerations are involved when using laser marking systems?

CO2 lasers are considered Class IV and are recommended to be operated in a Class I system. This means that you will need to protect the mark point so that individuals cannot look into the laser or place their hands in front of the output optic. This is normally achieved by placing a clear plastic housing around the output optic and conveyor to limit access. Interlocks are normally included in this basic set-up to stop operation if the housing is not in the proper position. This guarding is the responsibility of the buyer and we will be happy to assist in understanding the needs of each particular application.
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What are the advantages of laser marking?

Laser marking systems offer reduced downtime, elimination of consumables (both for cost and environmental reasons), permanent marks and reduced preventive maintenance and cost usually associated with ink-based printers.
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For Sales Enquiries please call us free on: +44 1480 443205

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+44 (1480) 443160

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