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22-02-2016 #1
Hi all,
I'm building a mini-mill / router for aluminium mainly but also wood and plastics so its a multi-purpose build.
What are the recommendations for cutting fluid on aluminium??
On the Bridgeport while making the parts I'm using WD40 but its messy and not that cheap.
I see I have a few choices -
Manual spray bottle/can
Mist spray nozzle
Flood coolant
As the time taken can be considerable I think manual squirt bottle is out.
I have read about mist but the fogger ones have a bad rep due to breathing the fog, the coarse droplet misters seem better but what do you run in them?
Then there is good old flood, I used to use it on the lathe once but damn that was messy :) Again what sort of fluid is good for fine slotting and pocketing in aluminium?
I am building the machine with coolant in mind so all choices are possible at this stage, its only a small machine - 350x500mm bed area.
So far i'm leaning to flood coolant but not sure what type or if something else is better, compressed air clears the chips but makes a big mess and does nothing to stop it gumming the flutes up on the tool.
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