Re: [CAD_CAM_EDM_DRO] Frozen stepper motor shaft

I haven't had my second cup of coffe yet but 1222.4 is wrong. If the force
applied at 1" is 640 oz then the same force applied at1" would be
640/1.91=335 oz at 1.91 inches.

Dan Mauch
low cost stepper and servo motors.
cases for Gecko drives
kits and assembled 3-4 axis drives
www.camtronics-cnc.com
www.seanet.com/~dmauch

----- Original Message -----
From: "Jarrett & Heidi Johnson" <hjjohnson@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, January 22, 2006 10:54 AM
Subject: Re: [CAD_CAM_EDM_DRO] Frozen stepper motor shaft


> larger pulley on the stepper [ this wouldn't work
> because I'm trying to gear down but for sake of
> discussion]it's a 3.820 Pitch Dia. so...
> 3.820/2=1.91" arm then we put this into this same
> formulat 640 oz-in * 1.91"=1222.4 oz force. It
> would seem that this is exactly backwards to how
> it works, we all go get a long[er] pipe to put on
> a wrench to get more ARM distance and get more
> torque at the bolt. If this is infact the correct
> way to calculate this stuff then I've not been
> doing my calulations all wrong and my system
> isn't going to budge when I go to run it.
>