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About the protect gas

更新时间:2012-01-17 11:12:05点击次数:523次字号:T|T
What kind of protect gas can you use when you run the laser weld machine? This problem is still not clear for some people. There have three kinds of protect gas. Now let’s learn about them.

What kind of protect gas can you use when you run the laser weld machine? This problem is still not clear for some people. There have three kinds of protect gas. Now let’s learn about them.
 
Argon
The ionization energy of argon is a little high when laser on, and will have effective utilization rate of laser, but the argon is a inert gas, can’t have chemical reaction with the metals。The density of argon is high, can protect laser seam, and one more thing, the Ar is not very expensive.
 
Nitrogen
The ionization energy of nitrogen is lower when the laser on, and will have chemical reaction with aluminium alloy and carbon steel, but it is good for stainless steel. We can use nitrogen as protect gas when we welding the stainless steel.

Helium
 
The ionization energy of helium is more lower when the laser on, can’t have chemical reaction with any metals because it is a activity gas.but the helium is really expensive, we don’t suggest you use helium except the price of your products are really high.

 
There have two ways use the protect gas as the pictures:


 consult

(编辑:STARART LASER TECHNOLOG)
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