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Why choose a laser 16 bar compressor?
The use of compressed air for laser cutting is still in its infancy in Europe.
Usually, much more expensive nitrogen is used, but our experience shows that 80 to 90% of the laser work can be carried out with very pure and dry compressed air.
The one-off investment is limited to a 16 bar PM/VSD screw compressor, 2 galva storage tanks and an absorption dryer -40 C°, which is standard equipped with the necessary pre- and post-filters.
This results in compressed air with an absolute degree of purity, including a particle filter that purifies to 0.001 µm, an oil filter that filters to a residual oil value of 0.003 ppm, and also carbon and osmosis filters.
According to our calculation, you need about 1000 l/m for a 1000 watt laser.
With a 2000 watt this goes to 1300 l/m, while a 3000 watt laser has a consumption of 2300 l/m.
In practice, the use of compressed air results in a light yellow (stainless steel) and a somewhat darker discoloration (carbon steel) of the workpiece, on the other hand, cutting quality is still optimized (better cut and less burr deposits) due to the presence of oxygen in the compressed air.
When cutting ALU you will find no difference in discoloration at all.
An additional effect of compressed air is that the cutting speed is increased by a factor of 10 to 20%.
In terms of cutting capacity, it can be said that what works with 16 bar nitrogen works just as well with compressed air.
As a rule, you can perfectly convert the laser process to compressed air use up to a material thickness of 4 mm.
The use of pure compressed air has absolutely no impact on the nozzle and mirrors or other sensitive components on your laser equipment.
What is a VSD/PM screw compressor?
A screw compressor with a variable speed drive (VSD) automatically adjusts the speed of the screw compressor in function of the compressed air requirement and in real time according to the demand.
VSD/PM screw compressors are designed for activities where the demand for compressed air fluctuates, depending on what the compressed air users in the different processes need in terms of flow demand.
In contrast to compressors with a fixed speed, often V-belt driven screws, which only run at full power, the VSD/PM screw compressor offers numerous advantages:
Energy saving is an important element in the choice of this technology
The operation of the VSD/PM screw compressor
VSD drive
Flow at 16 bar | 700 l/m |
---|---|
Engine HP | 10 HP |
Motor KW | 7.5 kW |
Engine cooling method | Oil cooling closed circuit linked to compressor unit |
Oil cooling | Forced cooling in radiator with temperature monitoring |
Voltage | 400 volt power |
Operation | PLC control, with LED touchscreen |
Technology | VSD PM technology saves up to 50% on energy costs |
Drive | Shaft to Shaft Direct Drive |
Bearing | Motor floating in its magnetic field |
Compression Build | Single stage compressor |
Noise load | 66±3 dBa at 1 meter |
Lubricating oil content | 6 lt |
Cooling compressor | Forced air cooling |
Ambient temperature | -5 to +40 ℃ |
Output temperature | + 15℃ |
Speed | 2900 RPM |
Output | ¾” |
Weight | 195 kG |
Dimensions mm | 800x700x930 |
Flow at 16 bar | 1000 l/m |
---|---|
Engine HP | 15 HP |
Motor KW | 11 kW |
Engine cooling method | Oil cooling closed circuit linked to compressor unit |
Oil cooling | Forced cooling in radiator with temperature monitoring |
Voltage | 400 volt power |
Operation | PLC control, with LED touchscreen |
Technology | VSD PM technology saves up to 50% on energy costs |
Drive | Shaft to Shaft Direct Drive |
Bearing | Motor floating in its magnetic field |
Compression Build | Single stage compressor |
Noise load | 66±3 dBa at 1 meter |
Lubricating oil content | 10 lt |
Cooling compressor | Forced air cooling |
Ambient temperature | -5 to +40 ℃ |
Output temperature | + 15℃ |
Speed | 2900 RPM |
Output | ¾” |
Weight | 280 kG |
Dimensions mm | 800x700x930 |
Flow at 16 bar | 1300 l/m |
---|---|
Engine HP | 20 HP |
Motor KW | 15 kW |
Engine cooling method | Oil cooling closed circuit linked to compressor unit |
Oil cooling | Forced cooling in radiator with temperature monitoring |
Voltage | 400 volt power |
Operation | PLC control, with LED touchscreen |
Technology | VSD PM technology saves up to 50% on energy costs |
Drive | Shaft to Shaft Direct Drive |
Bearing | Motor floating in its magnetic field |
Compression Build | Single stage compressor |
Noise load | 66±3 dBa at 1 meter |
Lubricating oil content | 10 lt |
Cooling compressor | Forced air cooling |
Ambient temperature | -5 to +40 ℃ |
Output temperature | + 15℃ |
Speed | 2900 RPM |
Output | 1” |
Weight | 480 kG |
Dimensions mm | 1150x800x1200 |
Flow at 16 bar | 2300 l/m |
---|---|
Engine HP | 30 HP |
Motor KW | 22 kW |
Engine cooling method | Oil cooling closed circuit linked to compressor unit |
Oil cooling | Forced cooling in radiator with temperature monitoring |
Voltage | 400 volt power |
Operation | PLC control, with LED touchscreen |
Technology | VSD PM technology saves up to 50% on energy costs |
Drive | Shaft to Shaft Direct Drive |
Bearing | Motor floating in its magnetic field |
Compression Build | Single stage compressor |
Noise load | 66±3 dBa at 1 meter |
Lubricating oil content | 14 lt |
Cooling compressor | Forced air cooling |
Ambient temperature | -5 to +40 ℃ |
Output temperature | + 15℃ |
Speed | 2900 RPM |
Output | 1” |
Weight | 500 kG |
Dimensions mm | 1150x800x1200 |
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