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  • The Beginner's Guide

    Are you looking for an affordable laser marker to process metal or non-metal (acrylic, pvc, wood, etc.)? Or want to help expand your business with a cheap laser marking machine? The best laser marking machine manufacturer and supplier TPLASER will provide you with services. The following will show you a professional laser marking machine guide, hoping to help you better understand the laser marking system.

    What Is Laser Marking Machine?

    Laser marking machine is also called laser engraving machine, laser printing machines, laser etching machine, laser markers, laser mark machines, laser marking systems, laser stippling machines, laser labeling machines and laser marking tools,it uses a laser beam to make permanent marks on the surface of a variety of different materials, it is an optomechanical integration system integrating light, electronics, machinery and automatic control. The effect of marking is to expose deep materials through the evaporation of surface materials, thereby engraving exquisite patterns, trademarks and texts. Laser marking machines are mainly divided into CO2 laser marking machines, semiconductor laser marking machines, fiber laser marking machines and YAG laser marking machine, laser markers is mainly used in some occasions requiring finer and higher precision. Used in electronic components, integrated circuits (IC), electrical appliances, mobile communications, hardware products, tool accessories, precision instruments, glasses and watches, jewelry, auto parts, plastic buttons, building materials, and PVC pipes.

    How Does A Laser Marking System Work? – Working Principle

    Laser marking system is composed of a power supply system, a laser source, a cooling system,a optical scanning system, a Q switch, and a focusing system. The AC power supply respectively supplies power to the computer, Q-switch power supply, cooling circulation pump, laser power supply, laser scource, etc. The half mirror, YAG condenser cavity, and total mirror form a resonant cavity to generate laser light. After being modulated by the Q switch, a pulsed laser with a certain frequency and high peak power is formed, which reaches the surface of the worktable after optical scanning and focusing. The surface of the worktable can be moved up and down to adapt to workpieces of different thicknesses. The surface of the workpiece is on the focal plane of the laser. Laser marking system marking area of the laser beam, the walking speed of the laser beam and the number of repetitions required, the scanning system can move under the control of the computer to control the laser beam to mark the set text and pattern on the workpiece. The current software has automatic image distortion The correction function can realize the laser marking system of precise images. The deionized circulating water in the cooling system cools the Q switch and the condenser cavity to keep them at a certain temperature to prevent them from burning out. The laser scource has two functions: one is to indicate the processing position of the laser, and the other is to provide instructions when the optical path is adjusted.

    What Is The Purpose of Laser Marking Machines? Application Industries and Materials

    1. Laser markeris used in the electronic hardware accessories industry, IT industry, communications industry, machine manufacturing, food and medicine, medical equipment, watches and glasses, craft gifts, precious metal jewelry, leather clothing, packaging and printing stoves, precision hardware, accessories , Electrical appliances, instrumentation and other metal processing industries. For materials with high friction such as automobiles, ships, machinery, equipment, etc., the use of laser marking can achieve abrasion resistance and long-lasting, which can better help the industry’s marking
    2. Laser marking machine is used in polymer materials, electronic components, wire speed limit, reflective film, plastic buttons, sapphire, glass, ceramic tiles, signs and other non-metallic materials. CO2 laser marking systemis suitable for clothing, leather, craft gifts, Packaging, advertising, wood, textiles, plastics, signs, electronic communications, watches, glasses, printing, decoration and other non-metal processing industries can achieve perfect marking. Wood products, cloth, leather, organic glass, epoxy resin, acrylic, unsaturated resin and other non-metallic materials have good results.

    What Are the Types of Laser Marking Machines?

    1. According to the different classification of laser marking source

    According to different lasers srouce, laser marking machines can be divided into CO2 laser marking machines, semiconductor laser marking machines, YAG laser marking machines, and fiber laser marking machines. According to the different laser visibility, laser maring system divided into: ultraviolet laser marking machine (invisible), green laser marking machine (visible laser), infrared laser marking machine (invisible laser).

    1. According to laser wavelength classification

    According to the different laser wavelengths, laser marking machines can be divided into: 532nm laser markers, 808nm laser markers, 1064nm laser markers, 10.64nm laser markers, 266nm laser markers, 322nm laser markers.

    Why Choose Laser Marking?

    1. Marking permanence: Laser marking is essentially a “destructive removal” process. The marked mark is not easy to imitate and change, and the mark will not be affected by the environment (touch, acid and alkaline gas, high temperature, Low temperature, etc.) and subside.
    2. Non-contact processing: laser marking is processed by a non-mechanical  ” light knife ” , which can print marks on any regular or irregular surface, and the workpiece will not produce internal stress after marking, ensuring the original accuracy of the workpiece .
    3. High marking precision: the articles marked by the laser marking machine are beautiful and delicate, and the markings are fine, clear, durable, beautiful and good in hand.
    4. A wide range of applications: laser marker can be used for marking almost any material.
    5. Low operating cost: Laser marking system can mark in one step, with fast marking speed and low energy consumption, without consumables, so the operating cost is low.
    6. High processing efficiency: Laser marker is controlled by an industrial computer. The laser beam under computer control can move at a high speed, and the marking process can be completed within a few seconds.
    7. Fast editing and development: Any content can be marked and edited at will.
    8. Flexible configuration: laser marking machine can meet the requirements of commercial small batch or single (semi-automatic) processing, and also meet the requirements of industrialized assembly line (fully automated) mass production.
    9. Consistent effect: Laser marking system ensure that the processing effect of different batches of the same product is completely consistent.
    10. Environmental protection: Laser marking is a non-contact marking, which saves energy. Compared with the corrosion method, it avoids chemical pollution. Compared with mechanical marking, it can also reduce noise pollution.

    How to Use Laser Marker?

    1. Before open laser marker:  Please clean the work surface before starting the machine, check whether the laser marking machine is safely grounded, and check the power cord of the marking machine to make the connection correct and reliable.
    2. Boot steps:

    ①. Turn on the power (after turning on the power, the work indicator is always on and the fan is running);

    ②. Insert the key switch and turn clockwise  90  to the “on” position;

    ③. Turn on the industrial control switch, the industrial computer will automatically start, and start laser marking system;

    ④. Make sure that the emergency stop switch is not turned on (that is, the switch bounces up, which is an automatic closing state);

    ⑤. Turn on the key switch, turn on the laser switch, and laser The system starts automatically;

    ⑥. Take off the protective cover of the laser galvanometer.

    1. Marking operation:

    ①. Open the marking software;

    ②. Select the marking file→Open→Select the file to be marked (or create a new and edit the graphic to be marked);

    ③. Alignment: click the “red light” below, the laser head will emit a red box to shoot on the marking part, move the workpiece to make the box fall on the part to be marked, and then click to stop the “red light” after adjustment, and then Fix the tooling. (Note: You must be quick when aligning, and the red light should not be used for too long, so as not to shorten the life of the light-emitting head.)

    ④. Focus adjustment: Place the workpiece template at the place to be marked, then check continuous marking, click “Continuous Machining” with the mouse, then click “Marking”, shake the handle to adjust the Y-axis up and down, until the laser acts on the energy of the work piece When the strongest, the sharpest sound, and the brightest color, it is basically the focal length. (TPLASER is here to remind you: “Continuous processing” is only used for focusing. After you have adjusted the focus, please remember to turn off “Continuous processing” before operating.)

    PS: Manual focusing is adopted, which is slow and inefficient, and the accuracy of focusing cannot be guaranteed, so that a lot of waste products are generated;  For this, TPLASER recommends that customers add an automatic focusing system. Only need to install a vision positioning system on the original laser marker, through the vision positioning system to achieve automatic focusing and marking, automatic focusing can be achieved even if there is a slight difference in the thickness of the workpiece.

    ⑤. Trial engraving OK, you can press the “Mark ( F2)” key to start marking. (To mark multiple workpieces, just repeat this step).

    The above is the first time to mark a marked part. Save its graphics and marking parameters as a file, and measure the height of the laser head and the marking surface. The file will be retrieved from the computer and the height will be directly aligned during the next production. Ready to mark.

    1. Shutdown steps:

    ①. After confirming that laser marking machine is not running any software, turn off the key switch, turn off the laser switch, and laser marking system will automatically shut down;

    ②. Close the laser marking software;

    ③. Turn off the industrial computer in the computer system;

    ④. turn off the main power switch;

    ⑤. Pull out the key and keep it by a special person for the next use;

    ⑥. Put on the lens cap.

    How to Choose Laser Marker?(Can I Get Laser Marker Cost?)

    Choosing a laser marking machine is the same as what we usually buy other things. The best is not necessarily the most expensive, and the most expensive is not necessarily the most suitable. TPLASER introduces some tips for purchasing laser marker:

    1. Confirm the material of your product, because different materials absorb the laser to different degrees, and the degree of absorption is determined by the wavelength of the laser. Different laser wavelengths are named as different laser sources.
    2. Laser Marking machine power

    The laser power is the key to determining the speed and effect. The choice of the appropriate power depends on the material of the processed material

    1. The configuration of laser marking system

    The main specification of the laser marking machine: ①Laser scource ②Laser scanning galvanometer ③Focus system ④Laser power supply ⑤Computer control system

    1. Price of laser marker

    The price of fiber laser marking machine (20W-120W) ranges from 20,000 to 200,000;

    The price of Co2 laser marking machine (10W-100W) ranges from 30,000 to 180,000;

    The price of UV laser marking machine (1.2W-10W) ranges from 60,000 to 260,000;

    The price of green laser marking machine (3W/5W) ranges from 60,000 to 80,000.

    The price of laser etching machine will change according to the configuration selected by the user. TPLASER provides a non-standard automation solution, and the price is specifically analyzed according to the needs of the user and the specific problems of the configuration.

    1. Product appearance and model of laser marking system

    Laser marker at the current stage include small portable laser marking machines, desktop laser marking machines with cabinet consoles, computers, and flying laser marking machines for automated assembly lines.

    1. Laser marking system after-sales service

    The operation of laser etching machine requires the guidance and training of engineers. Especially the application skills, parameters and daily maintenance of the marking software. In fact, the accessories of the laser marking machine are selected well. Because the equipment has no consumables and no consumable parts, the equipment has a high maintenance-free rate. TPLASER has after-sales engineers responsible for connecting with customers, our engineers will contact you via Email, Skype, Whatsapp or other contact software Communication, we are online 24 hours, if you have any questions about the machine, you can contact us at any time.

    1. About customization and others

    When using laser marker, the requirements for accuracy, engraving effect, speed, and automation, custom fixtures, etc., need to be proposed to the manufacturer in advance, and confirmed in the process of sample testing and planning, so as not to purchase marking that does not meet the user’s requirements.

    How to Maintain Laser Marker?

    Laser marking machine is a high-tech product that integrates laser technology, optical technology, precision machinery, electronic technology, computer software technology, and refrigeration. If laser marker always maintains stable performance and longer service life, it needs to be effectively maintained and maintained to ensure the normal function of the machine and improve the work effect. TPLASER introduces you how to maintain and maintain the laser marking machine

    1. Control system: mainly composed of scanning galvanometer, computer, control software (board card), etc. If the computer crashes or the software does not respond, you should turn off the galvanometer switch immediately; delete some junk files and unnecessary software regularly; organize the hard disk regularly to ensure that the hard disk data is organized and speed up the software operation; don’t be unclear about the future The files and software added to the system, so as not to be affected by the virus, to ensure that the system works in a non-toxic environment.
    2. Cooling system: mainly divided into air-cooled and water-cooled, the cleaning methods of the two are different.

    ①The air-cooled machine, that is, the fan, will accumulate a lot of dust in the fan for a long time, which will cause the fan to produce a lot of noise, and it is also not conducive to exhaust and deodorization. When the wind of the fan is insufficient and the exhaust is not smooth, we need to turn off the power first to remove the dust in the fan.

    ②Water cooling requires the use of purified water, deionized water or distilled water. Tap water, mineral water and other liquids containing higher metal ions or other minerals should not be used. Pay attention to the replacement of the circulating water, usually once a week. The water tank is cleaned. It is necessary to ensure that the machine dissipates smoothly, and at the same time, no external heat is allowed to blow directly to the machine.

    1. Optical path system: working by the reflector and focusing mirror. In the laser marking machine, whether the focusing mirror position is normal or not will directly lead to the spread of the optical path. Therefore, the optical path system must be checked at all times to ensure the machine’s performance. working normally.
    2. Lens system Lens: Generally speaking, the lens system of a laser marking system is composed of several objective lenses. Before cleaning them, laser marking machine should be shut down, and the lenses should be removed in order and wiped gently. Remember: Do not damage the surface coating. The lens is a fragile item. Please handle with care, and install the lens correctly.
    3. Laser marking system working environment: ①In the hot summer, when we get into the air-conditioned room because we are afraid of the heat; in the cold winter, when we get into the air-conditioned room or burn fire or heat because of the cold, you need to know the laser marking machine is also afraid of heat and cold, so under high temperature or cold weather, it is necessary to do a good job in the maintenance and maintenance of laser marker. The working environment temperature of the machine should be kept at 15-30℃, and the humidity should be 45-75%. UV laser marking machine has a slightly higher requirement for the working environment, the temperature should be kept at 16-28℃, and the humidity should be 45-75%.

    ②Don’t put it next to the equipment with large vibration of machine tools such as stamping;

    ③The environment of the processing site must be smoke-free and dust-free, and do not work in a polluted environment.

    1. The fluctuation of the power supply grid should be less than 10%. If it cannot be guaranteed, a voltage stabilizer must be installed.
    2. Laser marker is exposed to the air for a long time due to its own characteristics, and it is easy to accumulate dust on the circuit board after a long time, and it is easy to cause a short circuit if it is not cleaned for a long time. The cleaning method is to turn off the power of the controller, open the outer cover of the box, and blow out the dust inside. Pay more attention to the dustproof work on the outside of the chassis.
    3. Don’t turn on and off frequently, at least 3 minutes after turning off the machine before turning on the machine.
    4. When not in use for a long time, keep the working area dry to prevent the optical lens from being damp and moldy.

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