Laser cutting is the preferred method of producing precision sheet metal products with high consistency and repeatability.
Percentage laser cutting sheet metal.
If you d like to learn more about ablative laser cutting check out this article on micron scale manufacturing.
The two most common types of laser cutting machines are fiber laser and co 2.
Laser cutting process and laser cutting machine equipment are being familiar with and accepted by the majority of sheet metal processing enterprises and with its many advantages such as high processing efficiency high processing accuracy good cutting section quality and three dimensional cutting processing it gradually replaces traditional.
The narrow slit of the laser is created to achieve high precision cutting.
Mar 06 2015 final installment in a series of three articles comparing metal cutting lasers in two previous articles we examined the differences in electrical costs and resonator operating costs between the various types of metal fabrication lasers.
Hallmark metals performs precision metal laser cutting as part of its full service metal fabrication service.
To make your first laser cut sheet metal part you have to do the following.
In this scenario the precision plasma cutting process has the highest cost of the three processes.
1in 2 645mm 2 a 100 watt laser can achieve a power density of 1550 watts mm 2 in a spot size that is 0 6452mm 2 a spot size that is 0 6452mm 2 has a diameter of of 28mm or 280 micron using area pi d 2 2 280 micron.
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When cutting with oxygen flame the purity of gas is 99 95.
Mike klos laser mechanisms converting to millimeters that s 1550 watts mm 2.
When cutting with the nitrogen the purity of the gas should reach 99 995 ideal 99 999 which requires a higher pressure when melting and cutting thick steel plates.
Co 2 lasers use an electromagnetically stimulated gas typically a mixture.
We can recap the previous articles by looking at chart 1 below.
Sheet metal laser cutting.
Fiber lasers vs co 2.
Laser cutting does not cause any deformation mainly because the workpiece needs little heat input and most of it can be cut.
Laser cutting in the metal fabrication industry is suitable for all different kinds of materials where complex contours demand precise fast and force free processing.
Laser cutting is far more efficient and cost effective than traditional die stamps.
The thicker the steel plate the lower the gas pressure.
Given its dominance in the sheet metal cutting industry this article focuses on laser fusion cutting.
In the heaviest thickness the punch plasma maintains a 40 percent cost advantage over laser cutting.
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At present steel up to 12mm in thickness is routinely cut on a commercial basis for applications in shipbuilding structural steel work off highway vehicles and many other industry sectors.
Since then approximately 20 000 commercial laser sheet metal cutting systems have been installed worldwide.
Sheet metal cutting requires a power density of 10 6 watts in 2 source.
