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Topics - wulkan

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General Mach Discussion / Mach Turn Feed Per Revolution
« on: February 20, 2009, 12:58:52 PM »
Hello,
 
I just retrofitted a Hardinge HNC Lathe and encoded the spindle with a (Single Index Pulse).  Mach shows actual RPM, so that works good.  I am using simple M3, M4 output to start spindle, but Mach does not control RPM.  IN G95 mode does Mach use actual Spindle Feedback or does it estimates from the Programmed Feed Rate?  Also the Feedrate Display only has 2 digits to the right of the decimal and the Feed Increment only allows a whole number.  This renders override useless in IPR mode when you want a chip load of say .012 per revolution.

To restate the question:

How does Mach use the actual spindle speed for IPR or does it use the programmed feedrate,  and how do I over ride feed rates in IPR in smaller increments?

Thanks,

Bill
 

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General Mach Discussion / External emergency stop requested
« on: October 09, 2007, 09:59:23 PM »
Hello All,

I am new to Mach 3 and I occasionally get an "External Emergency Stop Requested" error.   I cannot find a reference for this in the manual.  I will be honest my machine is a small engraver and the keyboard is in right in front of the machine.  I do not feel an external estop is needed, so I assigned pin 15 for the estop and than shorted  pin 15 to pin 18.  Than to try to stop this error I tried a 100 mf capacitor across the same . Capacitor minus to 18.  But still get the error.

I am confused is it just false triggering or is Mach 3 looking for something I do not understand.


Wulkan

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