The easiest option is just to use the parts people use for computer water cooling systems but the parts for that market tend to be overpriced so unless you can get lucky on ebay i d substitute them for cheaper options e g.
Cnc spindle water cooling system.
Mophorn spindle motor 4 5kw square water cooled spindle motor er25 collect 18000rpm 380v cnc spindle motor for cnc router engraving milling machine 4 5kw water cooled 183 69 183.
My design of a water cooling system for a spindle on my cnc machine.
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If the system is closed loop then without a reasonably large tank you will certainly need a radiator of some sort.
Cnc cooling system test 10 15 16 duration.
After spindle is removed from the cnc router machine please use an air gun to blow off the residual water in the cooling chamber of the electric spindle.
Spindle should be oil sealed if it is a long time no use.
The pump you found and a car radiator with a fan for.
My design of a water cooling system for a spindle on my cnc machine.
Do you recommand anything else beside water for the spindle.
This kit is a great compact way to cool your spindle using water circulation.
Okay guys what fluid are you using for the spindle to keep them cool.
We have always used water for our cooling but since this is a heat transfer condition you should be fine with any form of coolant.
When starting except removing the rust on the surface with gasoline the following points should be done also.