Here we will mainly introduce the comparison between Diode-pump Laser Marking Machine and YAG Lamp-pump Laser Marking Machine.Diode Pump Laser Marking Machine and Lamp-pump Laser Marking Machine are all based on the ND: YAG (neodymium-doped yttrium aluminum garnet) crystal as a laser-produced material, which can be converted 808nm visible laser to 1064nm not visible laser light, but another more critical factor of the output laser is the laser pump source which can make the crystal rod put out laser light, the Diode-pump Laser Marking Machineuses semiconductor diode-pumped to send out 808nm light waves; and lamp-pump use krypton lamp to issue lamp pump, but light sent out from the krypton lamp has wider light spectrum, with only one slightly larger peak in the 808nm Department, the light in other wavelengths eventually turned into useless heat dissipation out. Therefore, the conversion efficiency of Diode-pumped Laser Marking Machine is much higher than the Lamp-pump Laser Marking Machine. Benefits of Diode Pump Laser Marking Machine are as follows:

First, Diode-pump Laser Marking Machine has no need to change krypton lamp.

The life span of semiconductor diode is quite long, its rated working hours is larger than ten thousand hours, while the lifetime of krypton lamp is only several hundred hours (usually about 400-600 hours), as a result, lamp pump Laser Marking Machine need to change krypton lamp at work for some time, especially for the metal marking, more energy will be needed, the lifetime of krypton will be more affected.

Therefore, Diode Pump Laser Marking Machine is also called maintenance-free Laser Marking Machine, which means no working materialconsumption, no maintenance for quite a long time. According to different production tasks of different users, the lifetime of Diode-pump Laser Marking Machine can guarantee between one and three years.

related:http://www.lasermarkingsystem.org

The classification of laser marking machine

According to different material, different wavelength laser absorbing different characteristic, Laser Marking Machine is usually assorted into two major kinds:. One is the use of YAG laser marking machine, which is suitable for processing of metal material and majority of non metallic materials such as iron, copper, aluminum, gold, silver and various alloys, and ABS material, ink coating, epoxy resins and so on. The other kind is using CO2 Laser marking machine, which can only process non-metallic materials such as wood, paper, acrylic, glass and so on. Some of materials can apply to the two types of laser marking machine at the same time, but identification process result is vary.

YAG Laser Marking Machine including lamp pump, diode pump and fiber optic laser marking machine, CO2 Marking Machine including two major categories of radio-frequency tubes and glass tubes, and the five products constitute the standard models of laser marking machine. According to the actual needs of different users, coupled with a different shape structure, fixture tooling, customized software systems to form complete laser marking solution.

Relative to the traditional form of marking such as pneumatic marking, electrical corrosion, screen printing, inkjet printing, mechanical carving, laser marking machine has the following advantages:

1. laser marking is light contact, non-mechanical contact, having no mechanical stress, which is especially suitable for occasions with super high requirements such as high hardness( such as carbide), high brittle( such as solar silicon), high melting point and high precision( such as precise bearings).

2. Laser marking is high energy density, short time, small heat- affect area; small hear distortion, small thermal stress, which doesn’ t affect of internal electrical performance. the cold processing of 532 μm，355μm，266μm laser marking machines, in particularly, are suitable for precise processing of special materials.

3. Laser Marking Machine is direct ignition etching, belonging to permanent mark, which cannot be erased, deformed, distorted and fallen off, suitable for anti-counterfeit, and realize the need of product traceability.

4. Laser marking machine system itself is a suit of computer system, which is convenient to do facilitation, modification, and has dance number and random code functions, realizes the only coding requirement, suitable for individual processing, and has more advantages for small amount and multi-batch process.

5. Fine mark result, beautiful craft, high accuracy, laser marking machine processing can improve product grade and added value of products.

6. Line width can be as small as 10μm, the depth up to 10μm below, the laser marking machine can mark on surface of millimeter level parts.

7. Low material consumption, no pollution, energy saving and environmental protection, meeting the Europe environmental standards and the GMP requirement of pharmaceutical industry.

8. Low processing cost. The up-front payment of Laser Marking Machine is much higher, but continuous, significant amount processing can finally reduce the processing cost of each parts.

9. Flexible processing. Laser marking machine can process internal workpiece through transparent medium, which is easy to orient, focus, and realize direction change and easy to cooperate with CNC.

related:

http://www.lasermarkingsystem. org