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Topics - nps

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1
SmoothStepper USB / Losing lots of Steps
« on: April 17, 2009, 12:16:33 PM »
Hi all :-)

We changed our Milling-PC from a T40p Notebook with WinPC-NC to an Asus eee-Top with Touchscreen (cool device ;-)) and SmoothStepper and Mach3.

With WinPC-NC we lost some steps, maybe some hundred when it runs several hours without homing. To avoid that, we bought Mach3, a new PC, Smoothstepper and everything, set the values for Motortuning about to the same values as in WinPC-NC (sounds same, looks same, values somewhat also the same, with very very long ramps).

And guess what, with exactly the same G-Code we lose about 3 times more steps! (some millimeters!!!).

How did i know that steps were lost? .. because of a reference homing between two milling cycles. (and i measured the homing also with a dial gauge and a repeatability of about +/-0.015mm)

Are there any settings which can affect this?

Please help!

(btw.. we have a VK-Technik PA-6040 Mill)

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Macros / Imservice Toolchanger in Mach3
« on: April 03, 2009, 11:12:20 AM »
hi all :-)

we recently got this nice tool changer from High Tech Systems Quick Switcher / Imservice:
http://www.youtube.com/watch?v=RzR6L3lEXdM


is there already a macro for mach3 available?   ... would be really cool, because this tool changer is very affordable for everyone and is compatible with every spindle and machine you can think of. (more or less...)

if not... we are new to mach3 and it would be great if someone can give recommendations where to start, maybe giving some references to the documentation.
programming will not be the problem ;-)

thanks!
nps

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