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YAG Laser Welder
Real-Time Power Feedback Control YAG Laser Welder
The newly adopted variable mirror eliminates the laser power loss and brings balance of deliveries which is resulted in a significant improvement in beam splitting precision.
Maximum of up to 4 deliveries of optical fibers can be connected (Chargeable option) either on the top side or backside of the laser unit.
Welding initiated by an external start signal can be modified with the local controller during operation. Since the controller can be detached from the main unit, it can be operated at your hand.
* Number of schedules settings: 32
The start response time can be set in five different times within 0.1 to 16.0 ms. Also, conditions can be switched to another during the response time.
* What you set is what you get
Thanks to the output power feedback system, the exact laser output power can be obtained just as you set on the unit. In addition, the output power and output waveform are displayed on the controller's monitor.
* Automatic correction of the pumping energy
Since the energy fed to the lamp is automatically corrected, there is no need for bothersome adjustment, even thought the laser output would be fluctuated caused by some reasons, such as lamp's deterioration and thermal lens effect on the YAG rod.
*The configured output power with the waveform will be provided just as set from the first shot
Since the desired laser output in the right waveform is applied to the work from the first shot, there is no need for "warming-up" shots before the actual welding.
With the waveform control functions there are two modes, Fix mode which is based on a 3-step waveforms, and Flex mode where you can set up to 20 inflexion points to create complex waveforms. Since the optimum welding schedules can be set depending on the various materials, blow holes and cracks can be avoided and the welding quality will be improved.
High-speed seam welding is possible with high repetition rate of up to 500 pps. Also, power feedback control and waveform control functions enable high-quality welding for a variety of work-pieces.
The controller can be taken off the main unit and operated by hand.
These devices are equipped with a wealth of input/output terminals (signals), so they can be easily connected to automatic equipment.
A maximum of four branches are possible, including energy sharing and time sharing. (Optional)
This device is for high-speed seam welding using SI type 0.3 micron optical fiber as standard.
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| Titanium body | Discharge valve | Motor | Lithium ion battery |
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| Model | ML-2550A | ML-2551A | ML-2552A | |
| Oscillation wavelength | 1,064nm | |||
| Laser output | Maximum rated output | 400W | 300W | 300W*2 |
| Maximum output energy | 80J/P(pulse width 10ms) | 50J/P(pulse width 10ms) | 20J/P(pulse width 4ms) | |
| Output control | Pulse width | 0.3 - 100.0ms(0.1ms steps), 0.25 - 5.0.0ms(0.05ms steps): Setting selectable | ||
| Pulse repetition rate | 1 - 500pps | |||
| Number of schedules | 32 schedules | |||
| Counter | Total counter | 9 digits | ||
| Good counter | 9 digits | |||
| Branch optical system | Optical fiber delivery system Up to 4 branches *1 | |||
| External communication function | RS-485 | |||
| Required power supply | 3-phase 200/380/400VAC ±10%, 3-phase AC220V +10% -15%50/60Hz | |||
| Cooling system | Water cooling Pressure : 294kPa(3kgf/cm2)max. Differential pressure : 98 - 294kPa(1 - 3kgf/cm2 ) | |||
| Water temperature:5 - 35°C Flow : 16L/min at 30°C, 25L/min at 35°C. Connecting hose inner diameter : 15mm | ||||
| Dimensions | 530(W) X 1,350(D) X 1,170(H)mm | |||
| Mass | 400kg(200/220VAC)450kg(380/480VAC) | |||
*1:Option *2:When the setting range for the pulse width is 0.8 - 15.0ms and the peak power is set to be 1.5kW or greater. Outside these ranges, the maximum output is 250W.
The specification and external design are subject to change without notice.
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