Temperature control ability is the key to keep beam-stability and penetration consistency under prolonged thermal stress.
Then how the cooling system of different laser welding machine works?
Air-cooled laser welding machine:
This method uses fans and a heat sink for heat dissipation. If the ambient temperature exceeds 35°C, or after 30 min -1 hour of continuous use, a high-temperature alarm will trigger, shutting down the machine for protection. Therefore, in higher-temperature environments (+32°c), this type of laser welding machine is essentially without a cooling system as the ambient air used to cool is to hot to cool. Some air-cooled laser welding machine manufacturers claim their machines use refrigerant. However, they do not directly dissipate heat from the pump source and other heat-generating components; they only lower the intake air temperature, providing only auxiliary cooling and not achieving constant temperature control inside the laser source.
Water-cooled laser welding machine:
This method uses a water cooler to remove heat from the pump source. With prolonged use, the water temperature will increase, reducing power output and resulting in shallower welds. Once the temperature exceeds 40°C, a high-temperature alarm will trigger, shutting down for protection. It is also highly sensitive to water quality; poor water quality will lead to excessive scale and rust. Long-term use poses a risk of leaks, electrical malfunctions, and even equipment burnout. Water-cooled machines require careful maintenance, including water changes, rust removal, and filter replacements. Antifreeze is added in winter, and coolant in summer. Maintenance costs are very high due to its relatively low price.
Lasermach Dual-loop refrigerant direct cooling laser welding machine:
We have a complete dual circuit refrigerant circulation pipeline. The entire pipeline is in close contact with the pump source and other main heat-generating components, removing heat directly from the source. Numerous temperature sensors monitor the pump source temperature in real time. If the chip temperature rises slightly, the system automatically increases the compressor's cooling capacity; if the temperature is too low, it automatically reduces power consumption. Temperature control accuracy is stable at ±0.3℃, unaffected by ambient workshop temperatures, even at 50-60℃. The laser's core components maintain their optimal operating temperature to ensure stable output power.
In summary, only our PhotonWeld Pro-Series with our selfdevelopped heatpump dual-loop refrigerant direct-cooling laser welding system employs an intelligent design, utilizing a temperature monitoring system and a refrigerant system to regulate the temperature with a high precision of all core heat-generating components. This ensures stable power output and weld quality even under full load operation, without any reduction in power. Only effective thermal management prevents beam drift and ensures uniform weld during continuous, high-power industrial runs.
Dual Circuit Refrigerant HeatPump with Direct Cooling Technology
Never Stops Cooling
Our High efficient Heat pump with invertor drive reduces drastic the electrical consumption and guarantee a Continuous laser Light Output
Heat pumps are a mature technology that is much more energy efficient than any other cooling or heating technology
We do utilizes our patented cooling technology—the Intelligent double circuit Circulating Constant Temperature System. Automatic sensing and precise temperature control enable effortless continuous welding, even in extreme temperatures and extreme duty load! The high-performance dual circuit condensation cooling device, with an ultra-large fin area and efficient cooling material, continuously dissipates heat, supporting non-stopping high-performance laser light output.
- Refrigeration highly efficient heat pump with inverter drive – No Need for Water
- Unlike air cooling systems, this system operates 24/7 with a 100% duty cycle.
- This is currently the only option available on the market, designed to operate in temperatures ranging from -20°C to +60°C
- It utilizes a double-circuit heat pump, which provides superior cooling efficiency.
Our self-developed efficient high-converting light source brings lower heat generation and a continuous high-energy high brightness laser beam. Self-Cooling Technology: Using an efficient compressor and intelligent refrigerant control, the core components automatically cool, unaffected by external temperature changes.
SmartCool i-drive Inverter Compressor
Redefining Self-Cooling: Taking efficiency even further
Laser Welding Machines with liquid gas injection cooling direct into the lasersource
by Economical Heat Pump with invertor driven compressor
We do inject cold into the laser before the laser source even can heat up, while all other competitors have to wait till the heat comes out.
UNBEATABLE EFFICIENCY, IN EVERY LOAD CONDITION
The advantages of the ecolener formula represents the no-compromise solution of the new range.
Able to run Continuos at 100% with 60% less energy consumption compared to other laser welding Machines
Maximum reliability, wide operating range, continuous capacity modulation, class A efficiency. The result is a unit that focuses on efficiency in all load conditions, overcoming the limitations traditionally imposed by the other cooling systems
- Refrigeration highly efficient heat pump with inverter drive – No Need for Water
- Unlike air cooling systems, this system operates 24/7 with a 100% duty cycle.
- This is currently the only option available on the market, designed to operate in temperatures ranging from -20°C to +60°C
- It utilizes a double-circuit heat pump, which provides superior cooling efficiency.
The laser's ultra-stable electronic control solution ensures extremely stable power output and support this stable output with a maximum power fluctuations in the source of less than 1.5%; Even in the event of dramatic environmental changes (such as power fluctuations, temperature changes, etc.), the performance of each machine will always be consistent!
Inverter-Driven Variable-Speed Cooling
The basics of the used heat pump are our inverter-driven dual circuit compressors: a drive adjusts the speed of the compressor motor to change with the cooling needs in a home. Also the ventilator inself is adapting its rotation speed with the demand of cooling capacity. A standard air conditioner has a compressor motor that works at only a single speed. The compressor motor is either on or it’s off. With our inverter-driven variable-speed dual circuit compressor, the drive signals the cooling need to the motor of the compressor to change cooling capacity either up or down. This is a continuous process: the drive keeps changing the compressor motor speed to adapt to conditions for a minimal and optimal cooling efficiency.
Why does this make a difference? The compressor motor is the part of an air conditioner that consumes the most electrical energy. For a standard compressor, the motor operates at 100% capacity at all times, and shuts down completely when the thermostat senses the cooling target is met. It then turns back on when cooling is needed once more, but always at the same energy consumption level. But with a variable-speed dual circuit compressor, the compressor motor will often work at lower capacity—40%, 60%, 80%, etc.—to adjust to cooling requirements and switch also regulary from high to low pressure use to reduce the consumption. No need to work always on the highest compression. This not only means much less energy consumption, it means there will be fewer on/off cycles, which is when the compressor draws on the most electrical power. Fewer on/off cycles also means better cooling in your home, with more even distribution because the AC will run for longer periods of time (while using less power) to spread cooling around the laser welder source.
With an inverter driven variabledual circuit speed compressor you only use what you need, thereby saving you money by not consuming energy you don’t need.” The inverter difference: An inverter-driven compressor rarely shuts off, so it is always ready to speed up or down to match heating or cooling demand. It adjusts in increments of 1% or less to exactly match cooling requirement. Cycles are slow, vary slightly as needed and are continuous. This makes them very efficient. And temperatures are very balanced.
