Trumpf L3030 4kw

[AStanley]

Hello
We recently purchased/installed a trumpf L3030 4kw laser and are now running parts(Mild Steel up to 3/4" and compared to our other laser, this think sucks the nitrogen. We are going through nitrogen banks every 24-36 hours and we are only using it as a purge gas(not for the resonator) and are cutting with O2. We seem to have satisfactory results with shop air for 3/8 and smaller but we will primarily be using this machine for 1/2 and up. My question is; is this normal? If so, I guess I will be investing in a bulk nitrogen tank and compressor. We have a top shelf maintenance department and they cant seem to find any leaks.

Any help would be appreciated!

Alex

 

[krugtech]

My experience is purging the beam path with N2 is OK if you have a bulk tank. Anything else is a nuisance. On some machines you can use filtered air and/or reduce the N2 flow. Be careful, there are some machines out there that need a lot of purge air to keep the bellows from collapsing.

An oil free dedicated compressor with it's intake strategically positioned in a cool dry area works good. An oily old compressor feeding a number of machines with oilers and whatnot that has it's intake where it can pick up fumes from the paint booth is not going to cut it.

Chris Krug

http://krugtech.com/

Maximum Up-time, Minimum BS

 

[AStanley]

We cant seem to get the quality we need on the thicker stuff so bulk really looks to be my only solution. Thanks for the input!

 

[krugtech]

heh, I guess that's the simple answer. 4kw and N2 assist.... yeah, you need bulk. I've seen people use enough N2 in a small shop to significantly lower the O2 in the air they're breathing. They were purging the room of O2! Makes the operators more dopey....

Chris Krug

http://krugtech.com/

Maximum Up-time, Minimum BS

 

[la71]

We have two 4000w lasers, on ssteel the operating preassure is between 10-14 bar with nosslediameter of 2.5mm, it sucks the gas out of the whole universe,so we decided to buy a nitrogengenerator with 14 bottles storage capacity,it`s not enough to feed them but the price of the gas is moore then half,i am from sweden anyway.