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Metal Fiber Laser Marking Machine
Basic principle, characteristics and application of laser marking machine:
1.The principle of Laser marking machines use laser beams to permanently mark various surfaces. Marking effect is through the evaporation of surface material to reveal the deep material, thus engraved exquisite patterns, trademarks and text, laser marking machine is mainly used in some occasions requiring more refined, higher accuracy.
2.The characteristics of 2With the development of science and technology, optical fiber laser marking machine in the electronic industry is more and more
accepted by more people, its characteristics are very obvious:
Integrated design, low power consumption, long life, high efficiency, maintenance-free, with high quality laser beam, fine spot, no consumable.
Non - contact processing, no damage to products, no tool wear, good marking quality.
A.The laser beam is fine, the processing material consumption is small, and the processing heat affected area is small.
B.High machining efficiency, computer control, easy to achieve automation.
3.application:
A.Can carve metal and a variety of non-metallic materials. More suitable for some requirements of fine, high precision product processing.
B.Applied to electronic components, integrated circuit (IC), electrical appliances, mobile phone communication, hardware products, tools and accessories, precision instruments, glasses, clocks and watches, jewelry, auto parts, plastic keys, building materials, PVC pipe, medical equipment and other industries.
C.Applicable materials include: ordinary metals and alloys (iron, copper, aluminum, magnesium, zinc, etc) all metal, rare metal and alloy (gold, silver, titanium), metal oxide (either all kinds of metal oxide), special surface treatment (phosphating, anodized aluminum, plating surface), ABS material (electrical appliances shell, daily necessities), ink (pervious to light buttons, printing products), epoxy resin (encapsulation of electronic components, insulating layer).
4.Do not apply:Transparent plastic, soft plastic.
The structure of laser marking machine
1.Laser power supply
Optical fiber laser marking machine laser power supply is to provide power for optical fiber laser device, its input voltage is AC220V ac. Installed in the marking machine control box.
2.Fiber optic laser
Optical fiber laser marking machine adopts pulsed optical fiber laser, its output laser mode is good and the service life is long, and it is designed and installed in the marking machine housing.
3.Galvanometer scanning system.
The galvanometer scanning system is composed of optical scanner and servo control. The whole system adopts new technology, new material, new process and new working principle to design and manufacture.
The optical scanner adopts servo motor with moving magnetic deflection mode. It has the advantages of large scanning Angle, large peak moment, large load inertia, small electromechanical time constant, fast working speed, stable and reliable. Precision bearing clearance mechanism provides the overbottom axial and radial run-out error; The electronic torsion bar replaces the traditional elastic material torsion bar, which greatly improves the service life and long-term working reliability. The principle of zero power keeping at any position not only reduces the power consumption, but also reduces the heating effect of the device. Advanced high stability precision position detection sensing technology provides high linearity, high resolution, high repeatability and low drift performance.
The optical scanner is divided into X - direction scanning system and Y - direction scanning system. Each servo motor is controlled by digital signal sent by computer.
4.Focusing on the system.
The focusing system is used to focus parallel laser beams to a point. Mainly USES the f - theta lens, different f - theta lens focal length is different, marking effect and scope is different also, fiber laser marking pause with imported high-performance focus system, the standard lens focal length f = 160 mm, effective scanning range Φ 110 mm. Users can choose the model of lens according to their needs.
An optional F-theta lens is available: f=100mm,Effective focusing rangeΦ65mm. f=160mm,Effective focusing rangeΦ110mm. f=210mm,Effective focusing rangeΦ150mm. f=254mm,Effective focusing rangeΦ170mm. f=330mm,Effective focusing rangeΦ200mm.
f=420mm,Effective focusing rangeΦ300mm.
5.Computer control system
Computer control system is the control and command center of the whole laser marking machine, and also the carrier of software installation. Through the coordination control of the acoustooptic modulation system and the galvanometer scanning system, the marking process of the workpiece is completed.
The computer control system of laser marking machine mainly includes case, motherboard, CPU, hard disk, memory strip, D/A card, floppy drive, display, keyboard, mouse and so on.
Product technical parameter
|
Technical indicators |
20/30/50 |
|
|
Laser parameter |
laser |
Fiber optic laser |
|
The laser wavelength, （nm） |
1064nm |
|
|
Average output (w) |
20W/30W/50W |
|
|
Frequency range （HZ） |
20kHz~200kHz |
|
|
Beam quality （square meter） |
1.3/1.5 |
|
|
Operating temperature range（℃） |
0-45 |
|
|
The galvanometer parameters |
Maximum speed |
10000mm/s |
|
Optical output characteristic |
Marking the scope |
50-300MM optional （Can be customized for a wider range） |
|
Minimum line width |
0.01mm |
|
|
Minimum character |
0.12mm |
|
1.Can receive various BMP, JPG, DXF, PLT, AI and other format files.
2.Automatically generate a variety of serial Numbers, production date, one-dimensional code, two-dimensional code.
3.Support rotary marking.
4.Support large XY platform automatic segmentation marking.
5.Can support secondary development and visual positioning automatic marking.
Terminology relating to laser marking machines:
1.The galvanometer:Scan graphics and patterns to determine the effective range of marking.
2.A mirror:A focusing action of a lens to determine the effective range of marking.
3.Light spot:The laser is focused to the smallest point
4.Red light:Indicates the starting point of the light and the marking range, indicating the role of positioning.
The samples show:
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