Too_Many_Tools wrote:
Hi,

I have an used Rock Rascal that I wish to use to section rocks and
minerals.

It does not currently have a motor.

From reading supply websites, it would seem that a 1/3 hp 1725 motor is
sold for it.

Is there any advantage to using a more powerful or faster motor?

Is there any advantage of using a variable speed motor?

Thanks for any advice you might have to offer.

TMT



I think a blade manufacturer (like Daniel Lopacki or Diamond Pacific)
will have some reommended speed tables for the various sizes. In order
to keep the surface feet per minute up - generally smaller tools must
run at higher rpms. It also depends on the material you're cutting,
whether you're using oil, wtaer with soluble lube, or propylene glycol
coolants, etc.

Carl


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