Laser Marker

Do you have a thought to DIY or buy a Laser Marker? Browse the 2020 new laser marking machine buyer’s guide as follows. We’ll provide you with the competitive hot fiber laser marking machine of 2020 with expert customer service to satisfied your requirements.

What is a laser marker machine?

The laser marking machine uses a laser beam to make permanent marks on the surface of a variety of different materials. The effect of marking is to expose the deep material through the evaporation of the surface material, thereby engraving exquisite patterns, trademarks and text. The laser marking machine mainly Divided into, fiber laser marking machine, co2 laser marking machine, ultraviolet laser marking machine, green laser marking machine, laser marking machine is mainly used in some occasions that require finer and higher precision.

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The main components of the laser marking machine include laser power supply, laser, galvanometer scanning system, focusing system, computer control system, etc.

According to different structures, laser marking machines are mainly divided into Tabletop laser marker, Desktop laser marker, Flying online laser marker, Portable laser marker, Protective laser marker, Vertical laser marker, Handhold laser marker.

The common power of fiber laser marking machine is 20w/30w/50w/100w.

The difference between laser marking processing and laser engraving processing?

Laser marking will discolour the surface of the laser material, while laser engraving and etching will remove part of the material. The main difference between engraving and etching is the depth of laser penetration.

The difference between laser marking and laser engraving:

Laser marking: In laser marking, the laser does not pass through the material completely, but only changes the characteristics or appearance of the material. The laser produces high-contrast marks because the heat of the laser redistributes the carbon in the material in question.

Laser engraving: In laser engraving, the beam physically removes the surface of the material, leaving a cavity that can display your design. The laser heats the material to a very high temperature, causing it to evaporate and form a cavity.

What is the application range of the laser marker machine?

Applicable materials include ordinary metals and alloys (iron, copper, aluminium, magnesium, zinc and other metals), rare metals and alloys (gold, silver, titanium), metal oxides (all kinds of metal oxides are acceptable), special surfaces Treatment (phosphating, aluminium anodization, electroplating surface), abs material (electric appliance housing, daily necessities), ink (transparent keys, printed products), epoxy resin (electronic component packaging, an insulating layer).

Fiber laser marking machine is suitable for marking various metals (stainless steel, iron, copper, aluminium, magnesium, zinc, rare metals, alloys, etc.), engineering plastics, electroplating materials, coating materials, spraying materials, inks, abs, plastic rubber, ring oxygen resin, etc., co2 laser marking machine is mainly suitable for marking non-metallic products: leather, cloth, wood, acrylic, glass, plastic, paper, stone, etc.

  1. It can engrave metal and a variety of non-metal materials. It is more suitable for the processing of some products that require fine and high precision.
  2. Used in electronic components, integrated circuits (ic), electrical appliances, mobile communications, hardware products, tool accessories, precision equipment, glasses and watches, jewellery, auto parts, plastic buttons, building materials, PVC pipes, medical equipment and other industries Can engrave a variety of non-metallic materials. Used in clothing accessories, medical packaging, wine packaging, architectural ceramics, beverage packaging, fabric cutting, rubber products, shell nameplates, craft gifts, electronic components, leather and other industries.

How to choose the right laser marker machine?

  1. Look at the marking material

The first thing to consider is what material is to be marked. According to the type of laser, laser marking machine mainly includes fiber, co2, semiconductor, lamp pump and other categories. For metal, non-metal, alloy or special materials, different types The processing effect of laser marking machine is also different.

  1. Look at the size of the workpiece

Choose the appropriate machine format according to the size of the product to be processed. The choice of the size of the laser marking machine is not that the larger the machine format, the better. On the one hand, large-format equipment is, of course, more expensive, on the other hand, it is of poor quality. The average laser output of the machine and equipment at each point on the large format is unstable, resulting in different depths of marking products on the same table, so it is correct to choose the most appropriate format.

  1. See specific process requirements

Even laser marking can be subdivided into more specific processing techniques such as flat marking, three-dimensional marking, fixed marking, flying marking, marking and scoring. Before purchasing equipment, users must make their own Inform the marking machine supplier of the detailed requirements so that the most suitable equipment can be selected.

  1. Laser source for marking machine

If the hardware of the processing workpiece, plastic, label paper and other materials have a longer wavelength fiber laser marking machine.

Or it is a carbon dioxide laser marking machine for materials with shorter wavelengths such as bamboo, cloth, ceramics, and acrylic.

If it is film, fruit, eggs, cartons, tempered glass and other heat-sensitive materials with medium wavelength UV laser marking machine.

Of course, it is not to say that a material is only suitable for one laser source.

Multiple laser sources can be used for the same material, depending on the accuracy of your processing requirements.

  1. Marking machine power

Laser power is sometimes the key to determining speed and effect.

Usually, like UV engraving paper, film, plastic, it has a marking power as low as 1.2w.

But engraving glass needs to move 3w or even 5w of ultraviolet light.

Like hardware, you can use 20w fiber.

However, if high efficiency and high speed are pursued, 30w or higher power is required to achieve it.

  1. The main hardware structure of the marking machine

The main hardware structure of the laser marking machine includes laser, laser scanning galvanometer, focusing system, laser power supply and calculation notification system.

You only need to choose whether to import or domestic according to your processing needs.

Especially the requirements for high precision, and the manufacturer knows it.

  1. Look at the supplier’s service

Customers should not only pay attention to the quality of the product and the qualifications of the company when choosing but also understand the services provided by the laser marking machine company in detail. For example, will the company send staff to install and debug; after installation and debugging, Will professional training and guidance be provided to ensure that operators can become familiar with various operations as soon as possible.

The maintenance content of the laser marker machine.

The maintenance content of the laser marking machine generally includes daily maintenance, regular maintenance, regular mechanical inspection and accuracy inspection. The maintenance of the optical path and cooling system of the laser marking machine is also an important part of the maintenance of the laser marking equipment.

1. The marking parameters of the laser marking machine, the current cannot exceed 20a, so as to avoid the laser burns each lens.

  1. The cooling system of the laser marking machine needs to be checked before working. The chiller must be turned on and wait for the real-time temperature of the chiller to be consistent with the set temperature, and the difference should not exceed 0.5 ℃.
  2. If the laser marking machine is used for a long time, the dust in the air will be adsorbed on the lower end surface of the focusing lens. The lighter one will reduce the power of the laser and affect the marking effect; the heavy one will cause the optical lens to absorb heat and overheat and cause it to burst. When the target effect is not good, you should carefully check whether the surface of the focusing lens is contaminated.
  3. The laser in the laser marking machine Chassis: regularly clean the dust, use an air gun to blow along the direction of the air duct, and clean the relevant circuit board at the same time; an air gun is a good tool, and it can also clean the laser chiller;
  4. Check whether the equipment is grounded firmly, and the power cord and plug are complete to avoid leakage accidents. 6. Add lubricant to moving parts such as lifting machinery and guide rails once a month. Regularly check whether the equipment fan is normal.

7. Before use: Check whether the software settings have changed, whether the function buttons and indicators are normal.

  1. After use: It is necessary to clean the appearance of the equipment and the surrounding working environment. Use a clean rag to clean the surface of the workbench, the display, and the keyboard, and remove and clean up the garbage in time. Especially after marking the metal residue or metal powder, clean the surrounding hygiene, Keep it ventilated. Note: Please turn off the laser power before turning off the marking software, otherwise it will damage the life of the laser.
  2. Replace the circulating water and clean the water tank: clean up once a week, replace the water inside, the circulating water inside is not good for the machine for too long, the water quality and water temperature of the circulating water directly affect the service life of the laser tube, it is recommended to use pure water or distilled water, And control the water temperature below 35°C. Under normal working conditions, the fiber laser marking machine should be regularly maintained and designated personnel to supervise and implement.

10.Dip mirror paper with more than 99.5% pure alcohol scrub and all mirrors every year.

Precautions for the operation of the laser marker machine.

  1. When the machine is not working, turn off the marking machine and disconnect the computer power.
  2. When the machine is not working, the lens cover of the objective lens can be covered to prevent the optical lens from dust pollution.
  3. This circuit works on a high-voltage state machine. Non-professionals, please do not turn it on for maintenance to avoid the risk of electric shock.
  4. Any failure should immediately cut off the machine power.
  5. When the equipment is used for a long time, the dust in the air will be absorbed by the focusing lens on the bottom surface, and the light will reduce the power of the laser and affect the marking effect; overheating will cause the optical lens to explode. When marking bad results, you should carefully check the surface of the focusing lens Whether it is contaminated.

6. If the surface of the focusing lens is contaminated, please remove the focusing lens and clean its bottom surface.

7. Be careful when disassembling the focusing lens, be careful not to hit or hurt people, and do not touch the focusing lens with your hands or other objects.

8. The cleaning method is to mix ethanol (analytical purity) and ether (analytical purity) in a ratio of 3:1, mix with long-fiber cotton swabs or lens paper, gently scrub the surface of the lower focusing lens, and wipe one side and need to replace the cotton swab or lens. paper.

9. Do not move the marking machine during the marking work to avoid damage to the machine.

10.On the marking machine that is not covered or placed on other items, so as not to affect the cooling of the machine.

  1. The operator needs to wear anti-laser glasses before operating the laser marking machine
  2. In the laser marking process, no objects can be used to contact the beam, especially the parts of the human body

13, The operator should wear a dust mask correctly to avoid long-term inhalation of small suspended particles or smoke generated by laser marking

  1. It is strictly forbidden to touch the lens with hands or other objects. Do not wipe the machine with a wet cloth.

15. Avoid using mobile phones during the marking process.

16. Pacemakers should not be close to the equipment. The work of the laser marking machine will generate magnetic fields, which will affect the work of the pacemaker.

17. During the normal operation of the laser source, no parts or items may be added to the marking machine.

 
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