Quote Originally Posted by d4cnc View Post
I'm planning the cooling system for my 6040 CNC (800W water cooled spindle) and am not 100% sure on what I need.


When I look at other CNC builds, they all seem to have huge reservoir/tanks. Far larger than I am able to find on any PC parts place.


I understand that if you don't want to put a radiator and fans then of course you will need a larger amount of water. However, if I use a single radiator and single fan, is there a rule of thumb about how much liquid coolant I will need then?


Also, any tips for a place that sells larger tanks? Are people making their own out of acrylic and glue? Is that a viable option?
If you are using a small radiator like I do then 1 ltr of water will be enough. I ran mine for ages without a radiator and just 5 ltrs of water with no problems you will need a very small pump as well. As for the tank a Tupperware container will do.