Re: Feed and Speed calculator, what the HECK?

all of the tool manufacturers (sandvik,kenametal etc) give out
freebee sliderule feed and speed calculators that are based on
real world results and experience




--- In CAD_CAM_EDM_DRO@y..., "onecooltoolfool" <joevicar3@i...>
wrote:

> I need a good way to calculate feeds and speeds for CNC milling.
> The chip load per tooth method in the machinery's handbook is

total

> crap. Granted I haven't looked in the lastest edition, (24th ed.)

but

> by their calculations I would be putting a 3/16" endmill through

440

> stainless at 7000 rpm and 80 ipm. Right. It lasted about 2

seconds.

> Back to guessing.
> Where does the depth of cut come in?
> Coolant, no coolant?
> Lenth of the tool?
> There has to be a good FREE, tool out there to do this. Where?
> Joe V.