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Messages - fer_mayrl

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141
Tangent Corner / Re: Planetar Gearheads for Automation Directr Servos
« on: October 23, 2008, 03:54:07 PM »
Ok, went straight to the source and asked automation direct, Here is their reply:

----------------------------
Fernando,

The supplier listed at the link below is partnered with Automation Direct
and has our servo motor information in their system.  They should be able
to identify the proper precision planetary gearhead that's compatible with
our motors.

Please investigate the following link:

http://www.shimpodrives.com/selection_guides.html

Hope this helps!
----------------------------


Regards
Fernando

142
General Mach Discussion / Re: "Hold" command for arc controller unit.
« on: October 23, 2008, 09:12:47 AM »
Thanks for posting Giannis,
What do you have hooked up to the pin on output 1?

Glad you got it working.
Regards
Fernando

143
General Mach Discussion / Re: "Hold" command for arc controller unit.
« on: October 23, 2008, 07:24:07 AM »
If it is a stand alone THC, then i believe that function will not work. That function should be included in the unit. if its not then....
hmmm maybe a brain would be the answer...

maybe you could have a solid state relay that interrupts the step output line from the pc to the driver, and have a brain look at the feed rate, make a calculation that says that if the feedrate is lower than X open that relay so that the driver doesnt receive the step signal.

or maybe better, have a brain monitor the feedrate, and make calculations not to fall under certain precentage, if it does open the relay.

I dont think there is a way to have mach actually monitor the toolpath to see when you hit a corner, or monitor a g code to see if you hit a g02 g03.

Hope that can get you started.
Regards
Fernando

144
General Mach Discussion / Re: "Hold" command for arc controller unit.
« on: October 23, 2008, 07:07:38 AM »
I Havent used it myself as i dont have a plasma.

But i think that if you have a THC with the workings of what the THC that was posted in the early versions of the mach manual, or a THC300 of sorts, then that should freeze the torch, without any pinouts

Best Regards
Fernando

145
General Mach Discussion / Re: Ballscrew mapping
« on: October 22, 2008, 04:30:56 PM »
Yup,
Some time ago i got a quote form someone that did that service.

it was 200dlls per axis on a ball bar test, (hard to think doing a ball bar test with just one axis)
it was 350dlls per axis with laser.

I dont know what it consists of. just measuring or helping you map your machine or what.

Regards
Fernando

146
General Mach Discussion / Re: "Hold" command for arc controller unit.
« on: October 22, 2008, 03:59:31 PM »
Hold on!
There is an antidive option already in mach

Set up an OEM button to turn it on and off at will, oem code is 221 for the button and 70 for the led.

It basically freezes the torch movement as it goes through corners

Regards
Fernando

147
General Mach Discussion / Re: Ballscrew mapping
« on: October 22, 2008, 02:18:58 PM »
Well i just went to the yahoo group and searched it for ballscrew mapping.

Apparently Art commented that people who used it actually reported it worked!
So good news... now to find a way to accurately map the screws. heheh

Fernando

148
General Mach Discussion / Ballscrew mapping
« on: October 22, 2008, 01:10:46 PM »
Hello Guys,

I have a question yet again, how "operational" is the ballscrew mapping in mach3?

Thanks
Fernando

149
Tangent Corner / Re: Planetar Gearheads for Automation Directr Servos
« on: October 22, 2008, 12:11:57 PM »
Thanks Brett,
I checked their drawings, but they dont seem to fit the faceplace on the automation direct servos...

seems to be a completely different standard
Thanks
Fernando

150
Tangent Corner / Planetar Gearheads for Automation Directr Servos
« on: October 22, 2008, 10:44:11 AM »
hello Guys,
Does anyone know a good place, (not necessarily cheap, but good performance/quality/value balance) for planetary precision gearheads? preferably ones that would fit the automation direct servo family.

low backlash is a must.

best Regards
Fernando

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