Re: [CAD_CAM_EDM_DRO] Coolant PUMP systems

Lloyd Leung wrote:

> Does anyone have any suggestions on how I should implement a coolant
> pump system?
>
>
>
> My current plan is this:
>
> - Splash shield over my lathe/trough
>
> - Flowing into a bucket, allowing sediment to sink.
>
> - Flowing into a second bucket
>
> - Cheese cloth over aquarium pump (low pressure, high volume)

Well, filtering seems to be less important than I expected. I set up a pretty
elaborate filter, and it tended to get blocked with wood dust from sacrificial
fixtures, when I used those. One bucket, with a weir made of sheet metal
will do fine.

I used a condensate pump, normally used to pump condensed water out
of air conditioners where a simple gravity drain won't work. Little Giant
is the brand name. These are often on sale in various catalogs, either
machine shop related or surplus items. I can't say for sure whether the
aquarium pump will have enough flow, or be able to withstand the fluids
involved. The little giant has done VERY well for me.

The big problem with flood coolant in the home shop is it is not used enough
to keep the coolant aerated, and it tends to grow mold. Engineered Lubricants
encool has been the best for me, it lasts a year or so before growth starts.

Jon