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Laser Gas Flow for Fanuc Lasers and more.

Laser Gas Flow for Fanuc Lasers and more.

Laser Gas Flow for Fanuc Lasers and more.

(OP)
Good Afternoon Everyone,
We have an Amada FO3015 with a Fanuc 4000A Resonator. We been using a lot of Gas lately and I am hoping to get machine soon to check for leaks, proper consumption Etc. The Fanuc Manual says to Run Laser in Base Discharge (lanes Off) and to adjust controller for a 10Lpm consumption as determined by Flowmeter put between supply and Oscillator. Simple enough except Fanuc uses a Premix. How do you know what the Flowmeter should read for Premix? N2 is way different than Helium.

I have at my disposal:
Several Matheson Flowmeter controls: 601,602,604 and 610 with steel balls, and 603 with glass balls.
I have a website that gives me detailed Info for N2, Co2, and Helium separately, but not mixed
http://www.mathesongas.com/litcenter/index.aspx

Our Mix is:
5% CO2
40% Helium
55% Nitrogen

Is there a rule of thumb when using a Flowmeter for mixed Gas?

"I am stuck on Band-Aid brand, 'cause they are stuck on me"

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