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Curtain Wall Processing Industry Introduction

The curtain wall processing industry is an important sector within the construction industry, primarily engaged in the processing, manufacturing, and installation of architectural curtain wall products. 
A curtain wall refers to the non-load-bearing part of a building’s exterior wall, typically composed of materials such as aluminum alloy, glass, stone, and metal panels, used for decoration and thermal insulation. 
The curtain wall processing industry involves the processing and manufacturing of various curtain wall materials, including cutting, punching, and welding of aluminum alloy profiles, cutting and processing of glass, cutting and shaping of stone, and other related activities. In the case of processing metal curtain walls, the industry requires expertise in various processing techniques such as CNC machining, bending, cutting, punching, and spraying, to ensure the precision and quality of curtain wall products.

Difficulties of the Traditional CNC Router


For aluminum alloy metal curtain wall processing, most customers use the traditional CNC engraving machine to produce and process, for the aluminum plate below 3mm, generally choose F4 cutting tool, which is easy to produce three problems.
1.When the cutting head of the CNC engraving machine processes aluminum, it will directly contact the metal material, and the cutting tool will produce loss, which will produce a consumable cost for the customer.
2.In the process of cutting, the tool of F4 will cut the material next to it, resulting in material loss.
3.Because the cutting tool of the engraving machine can only round the corners, when the metal curtain wall has the hollowing demand of the square shape, it can not be cut at a right Angle, which limits the finished effect of the curtain wall.


Solution Plan for the Curtain Wall Processing Industry


As for the curtain wall industry, we suggest the customer to choose the fiber laser cutter.
Laser cutting machine produces a laser beam with high energy density through the laser beam, the laser beam is focused on the surface of the workpiece, the high energy density of the laser beam makes the material locally heated, melted or vaporized, so as to achieve cutting, engraving or drilling and other processing purposes.
According to the working principle of the laser cutting machine, we can understand that the laser equipment can effectively solve the three processing problems of customers.
1. The beam of the laser cutting machine does not directly contact the metal material, there will be no problem of tool loss, effectively reducing the cost of use;
2. The laser cutting beam is more concentrated after focusing, the slit is smaller, and the material loss and waste are less;
3. When cutting sharp corners, it can effectively process according to cutting graphics to maximize the expected cutting effect.

Suggested Model of Fiber Laser Cutting Machine

Customer Witness of VF6025H Laser Cutter

Details of VF6025H Fiber Laser Cutter
√ Professional laser with anti-high reflectivity
√ 1.2G acceleration can achieve the flying cutting effect
√ High safety factor, optional red light grating
√ CE certification, best-selling European and American markets
√ Optional marking and cutting double head
Future Development of Laser Cutter VF6025H
Compared with the engraving machine can directly cut multi-layer aluminum plate superposition, laser cutting machine can not achieve superposition cutting, in order to better achieve efficient processing, will be equipped with coil open screen device to achieve automatic cutting.
If you want to learn more about the open screen coil automatic feeding and cutting device, you can refer to this product series:

Influence Factors of Cutting Effect

· Laser source: beam wavelength, spot energy distribution, beam quality, divergence angle, fiber core diameter, etc.;
· Process parameters: speed, power, air pressure, cutting height, focus, nozzle size and type and roundness, lead condition, arc chamfering, etc.;
· Cutting sequence: graphic layout spacing, perforation sequence, cutting sequence, etc.;
· External conditions: gas purity, pressure, stability;
· Plate condition: plate model, plate rust degree, plate flatness;
· Cutting head status: collimation/focus ratio, whether the lens is contaminated, cutting head verticality, cutting head stability;
· Machine tool conditions: machine tool acceleration, operating stability, load-bearing performance, long-term use deformation, etc.;
· Cutting system: system response speed, system functionality, system stability;

Cutting Type and Laser Power Trend Table


Auxiliary gas

Laser power

Carbon steel bright cutting


1. The higher the power, the thicker the bright surface cutting thickness;
2. The thickness of the plate is certain, and there is a power range for bright surface cutting. If it is too small, bright surface cutting cannot be achieved, and if the power is too large, the cutting quality and efficiency will not be improved;
3. The higher the power, the faster the perforation speed of thick plates, and the phenomenon of blast holes will be reduced;

Carbon steel frosted cutting


1. The thickness of the plate is certain. There is a power range for frosted surface cutting. If it is too small, cutting cannot be achieved. If the power is too large, the entire cutting surface will melt. If the cutting seam is too large, good cutting quality will not be obtained;
2. The higher the power, the faster the perforation speed of thick plates, and the phenomenon of blast holes will be reduced;

Stainless steel/aluminum alloy/copper alloy, etc.


1. As the laser power increases, the cutting efficiency of each plate thickness shows an upward trend;
2. As the laser power increases, the cutting thickness increases, and the slag hanging phenomenon is reduced or eliminated;
3. The higher the power, the faster the perforation speed of thick plates, and the phenomenon of blast holes will be reduced;

Nozzle status

The center of the nozzle is not coaxial with the center of the laser, the nozzle is deformed, or there are melt stains on the nozzle.
When the cutting gas is blown out, the gas output will be uneven, making it easier for the cutting section to have melt stains on one side but not on the other side. Thick plates will have a serious impact, sometimes making it impossible to cut;
When cutting workpieces with sharp corners or small angles, local over-melting is likely to occur;
When perforating before cutting, the perforation is unstable, the penetration conditions are difficult to grasp, and the time is difficult to control;
Protective lens status
1. Do not touch the surface of optical lenses (reflectors, focusing mirrors, etc.) directly with your hands to avoid scratches on the mirror. If there is oil stains or dust on the mirror, the lens should be cleaned in time;
2. Do not place the lens in a dark and humid place, as this will cause the lens surface to age.
3. If the surface of the lens is stained with dust, dirt, or water vapor, it is easy to absorb laser light and cause damage to the lens coating; at least it will affect the quality of the laser beam, and at worst, no laser beam will be generated.
4. When the lens is damaged, you should contact the Junyi Laser after-sales service department for repair in time. Try not to use the damaged lens, otherwise it will accelerate the damage to the lens that can be repaired.
5. When installing or replacing the reflector or focusing mirror, do not use too much pressure, otherwise it will cause the lens to deform, thus affecting the quality of the beam.

What should you pay attention to when cutting highly reflective aluminum materials?
When laser cutting aluminum alloy, due to the high light reflectivity of the aluminum alloy itself, most of the laser beam will be reflected, resulting in insufficient energy and poor processing results. When laser cutting aluminum alloy, the processing effect can be improved in the following ways:
1.Choose the appropriate laser: Fiber lasers are mainly used for cutting metal. Fiber lasers can be divided into crystal fiber lasers, rare earth fiber lasers, retroreflective resonant cavities, DBR optical resonances, etc. according to the different excitation materials and resonant cavity structures, we need to choose anti-high reflection lasers for different types of aluminum alloys. For example, if we are equipped with a MAX laser, the connector should be G5.
2. Adjust laser parameters: Laser parameters are one of the most important factors affecting laser cutting. Compared with carbon steel and other metals, cutting aluminum alloys requires higher power, and parameters such as pulse frequency also need to be adjusted according to the properties of the aluminum alloy being processed, In addition, aluminum alloys of different thicknesses also require adjustment of focus and speed.

3. Auxiliary gas: In laser cutting processing, auxiliary gas can help increase the cutting speed, reduce oxidation reaction and heat-affected zone, and blow away the melted slag at the same time.

4.Coating: When laser cutting aluminum alloy, you can increase the light reflectivity of the surface by applying special pigments or coating on the surface of the aluminum alloy, thereby improving the laser cutting effect.
Video of VF6025H Fiber Laser Cutting Machine