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Metal laser cutting

Laser metal cutting

All you need to know about Metal Laser Cutting

 

Laser cutting – basic tables

 

40-150W  CO2 laser

Metal laser cutting

 

260W CO2 laser

Metal laser cutting

SS- stainless steel, CS- carbon steel

 

1-2 kW CO2 Laser Cutting

 

Proceed with a fast and secure checkout. 10 watt DPSS 1064 nm Nd:YAG laser module. FREE DHL express delivery worldwide!

Mild steel

Metal laser cutting

 

Figure 2.3  shows the cutting speeds possible for mild steel over a range of thickness and laser powers. 1,5kW of laser will cut 1mm thick mild steel at 10m/min and 10mm thick steel at 1m/min

 

 

 

Aluminum alloys

Metal laser cutting

 

Copper

Metal laser cutting

Proceed with a fast and secure checkout. Free DHL shipment worldwide. Get your laser in 3-5 days.

 

 

 

Nd:YAG laser 120-500 W

Metal laser cutting

 

Features of Nd:YAG laser is the possibility of very high peak  power pulses by Q switching and the possibility of second harmonic generation (green 532nm) and third harmonic generation (UV 355nm)

 

Fiber laser

Metal laser cutting

 

Fiber laser also need to assist gas as other laser types

 

References :

CO2 laser cutting book – ISBN: 9781852330477 , 10.1007/978-1-4471-1279-2

https://www.alibaba.com/product-detail/6040-cheap-60W-Co2-Laser-Marking_60659932697.html

https://www.cnclaser.xyz/mixed-laser-cutting-machine/260W-co2-stainless-steel-laser-cutting-machine.html

MORE PDF GUIDEBOOKS

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Design and performance of a Cutting CO2 laser for industrial non-metallic
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The Role of the Assist Gas Nature in Laser Cutting of Aluminum
Alloys Check it out >>>

 

The Primary Products of XT (IV Laser Cutting)—Tony

Mirco welding https://www.rdworldonline.com/best-option-for-micro-welding-ndyag-vs-fiber-laser/

 

Some more details about laser processing of metals

When processing metals with a 1 kW laser it is necessary to bear in mind the following parameters of the maximum cross-sections of metals:

Black metal (steels with various doping levels) — 40 mm.
Stainless steel — 25 mm.
Aluminum and its alloys — 12 mm.
Brass — 12mm.
Copper and alloys— 5 mm.

Laser type. Fiber lasers are suitable for cutting high-melting, extra hard metals as well as fragile and thin materials, since they have a much narrower beam spot due to short-wave radiation. Whereas, gas lasers fit for a wider range of materials that are easier to process.

 

Speed. It depends on the metal type, its thickness, and the power of the laser machine. For instance, the cutting speed of a 1000 W laser machine for carbon steel 0,5-8,0 mm thick will be around 0,6-15 m/min, for stainless steel 1,0-5,0 mm thick will be 0,8-18 m/min, for aluminum 1mm thick – 1,2-10 m/min, and for copper 1mm thick – 10 m/min.

Power. We choose the laser power depending on the type and thickness of the metal to be processed. In industry 1-10 kW fiber lasers and 1-6 kW gas lasers are used.

 

The quality of the laser cutting depends on the frequency and power of the laser radiance, speed and time delay at the step of initial burning of the material. It is also important to bear in mind that when working with thick metal you need to start cutting outside the cutting vector to make a perfect shape of the final workpiece.

 

 

Co2 laser
Type of metalThickness in mmPower (watt)
Steel (alloy, carbon)1100
0,5250
1,2400
2,2850
up to 40 mm5000
Brass125000
Aluminum alloys125000
Copper55000
Titanium0,5850
0,6250
1600
Stainless steel1100
0,5250
1,3400
2,5400
3,2400
9850
up to 255000

 

Fiber laser
MaterialThickness in mmSpeed mm / secExtra gas
Black steel18oxygen
26oxygen
33,2oxygen
42,7oxygen
52,5oxygen
62oxygen
81,3oxygen
101,1oxygen
120,9oxygen
140,8oxygen
160,8oxygen
180,7oxygen
200,65oxygen
Aluminum & copper1600Nitrogen
2300Nitrogen
3100Nitrogen
480Nitrogen
565Nitrogen
655Nitrogen
735Nitrogen
1015Nitrogen
128Nitrogen
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