I was using the wrong coolant mix for months on our Haas VF-2

Kept getting rust spots on aluminum parts after they sat overnight. My boss in Toledo finally asked if I was mixing it 10 to 1 like the jug says. I was just eyeballing it. Started measuring with a ratio cup last week and the problem vanished. How do you guys handle coolant mixing on your machines?

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4 Comments

logan_murphy7mo ago

We just buy the pre-mixed stuff now.

6

allen.kai7mo ago

Honestly, the pre-mixed is the move now, even @wade_wood's old shop would probably switch.

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wade_wood7mo ago

My old shop in Dayton eyeballed it too.

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jasonallen6mo ago

Guess it works if you're doing big batches. Allen's right about the mix being easier but is the eyeball method really that bad for small jobs?

2