Indeed that was my first response and I suggested that to one of the ‘good; 
guys and he said, “that is what we tried first and they just bypassed it and 
kept breaking stuff. I will fix it once if they break it again then it is 
someone’s problem. One person has broken it 3 times apparently w/o any 
concenquences. Off the record I think  severe action should be taken. 
Plaining boards with nail in them is not very bright either. 
There is also a nice sander just waiting for someone to care enuf to fix is. ;-(
Apparently a true tale: the local NG unit was messing up the front end on 
Humvees and I aaked “how do you do that?, Oh, no problem, 10’ deep chuck hole 
at 70 mph. At least with  a tank the drivers loses their front teeth. 
When people don’t own the equipment the care level tends to decrease. 
It is easy to get discouraged.  I can understand one screwup but successive 
ones NOT.

The newer Jet planer is beefier. 5 hp instead  of 3 hp and larger drive gears 
and bearings. No use buying good equipment if the idiots won’t take care of it 


I’’ check out that encoder. Tnx. 
Dave


> On Jun 6, 2025, at 12:01 PM, Ralph Stirling via Emc-users 
> <emc-users@lists.sourceforge.net> wrote:
> 
> Have you measured motor current during overload condition and normal?
> Perhaps a motor overload relay/breaker of appropriate rating would do
> the job.
> 
> -- Ralph
> 
> 
> ________________________________________
> From: Dave Engvall <dengv...@charter.net>
> Sent: Friday, June 6, 2025 11:50 AM
> To: Enhanced Machine Controller (EMC)
> Subject: [Emc-users] OT- detection of drive belt slippage
> 
> CAUTION: This email originated from outside the Walla Walla University email 
> system.
> 
> 
> I apologize in advance for being off topic but need ideas (cheap and easy) 
> for shutdown of a machine (Jet 25”  planner) when overloaded, eg the drive 
> belts are making high pitched sounds. My thought are: tach/generator on drive 
> shaft and slave shaft. Integrate the voltage on each and trip when the 
> integral hits a certain difference.
> 
> I’m open to other approaches. : suggestions ?
> Machine is not mine but part of a makerspace with both good and clueless 
> users.
> Thanks !
> 
> Dave
> 
> _______________________________________________
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
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