Nice explanation!

On Mar 7 2016 2:30 AM, TJoseph Powderly wrote:
> i teach this way...
> on & off is like a band saw blade
> the teeth per inch is speed (F)
> the width of tooth is roughness (On)
> the space between is chip clearance (Off)
> the height of tooth is bite size, suited to size of work (Ipeak)
> the dirt and shape influence offtime (D%)
>
> i agree that some of edm is art, well craft-sy anyway
> but very little art is needed to get started
>
> and the good student builds his/her picture of how & why it works
> and continually tests that picture every cut.
> the student teaches himself by being sensitive to the process
> the teacher is the process, not me
> START A NOTEBOOK NOW!
> ;-)
> tomp
>
> on 03/07/2016 12:22 Nicklas Karlsson wrote:nk On Mon, 7 Mar 2016
> 10:23:31 +0800 TJoseph Powderly <tjt...@gmail.com> wrote:
>>> off time is really dpendant on flushing conditions
>>> on time causes rougher finer surface finish
>> I guess this explain it all and it also make perfect sense. More 
>> powder behind remove more material and longer time in between leave 
>> more time for debri to remove debri.
>>
>>
>> Regards Nicklas Karlsson
>>
>> 
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>
> 
> ------------------------------------------------------------------------------
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