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Messages - JHChoppers

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181
Show"N"Tell ( Your Machines) / Re: AL54b (lathe) project from New Zealand
« on: December 16, 2010, 09:58:53 AM »
Your sheet metal skills are awesome, we just use a hammer on sheet metal, glaze it, then paint it.  Your stuff looks great, to bad we are 12 times zones apart :)

JH

182
*****VIDEOS***** / dead link
« on: December 15, 2010, 06:09:01 PM »
http://www.youtube.com/groups_videos?name=artsoft

This link is dead, its on the banner.

JH

183
The Tool Probe is now functional.  After creating some new buttons and macros, I think its done for now.  We can find the Top of Part, Edge of a Part, Conner of Part, Center of Part with Inside Diameter, and Center of Part with Outside Diameter.

You can change the Probe Touch Speed and Probe Rapid speed until your Position Error is small.  The Position is tracked from run to run so you can see the accuracy of your system.  You can also change the Search Diameter when looking for the Center of the Parts.

In the code, there are parameters for Probe Diameter and Touch Off Distances that can be changed for your setup.  All down Z moves look for Probe Hits, so you will not ram your probe through your part.

<a href="http://www.youtube.com/v/Q-169zwYS4E&amp;hl=en&amp;fs=1&amp;rel=0&amp;color1=0x006699&amp;color2=0x54abd6&amp;border=1" target="_blank" rel="noopener noreferrer" class="bbc_link bbc_flash_disabled new_win">http://www.youtube.com/v/Q-169zwYS4E&amp;hl=en&amp;fs=1&amp;rel=0&amp;color1=0x006699&amp;color2=0x54abd6&amp;border=1</a>

JH

184
Started on the Tool Probe.  This was much easier than anticipated, which is not usually the case for me.  I used an old ball touch probed that needed a new battery, head phone cable and a mono jack.  Connected it to Probe/Digitize Input and made a real quick test with G31 and GetVar(2000)…  Mach3 rocks!   

Working on some new screens and real code now.  After its debugged and tested, I’ll post some screen shots, code sample and a video.

JH

185
Show"N"Tell ( Your Machines) / Re: AL54b (lathe) project from New Zealand
« on: December 11, 2010, 09:09:59 AM »
Nice fab work as always.

JH

186
PoKeys / Re: PoKeys is working great! Thanks!
« on: December 11, 2010, 09:09:02 AM »
Nice Job, Thou it looked to me, that your Z axis was going the opposite way when moved with the MPG.

I think your right, the Y is backwards too.  Just swap the A and B lines and it should be fixed.  Thanks for pointing it out.

JH

187
PoKeys / Re: PoKeys is working great! Thanks!
« on: December 11, 2010, 09:06:40 AM »
JH,

Have you seen the mother board and expansion boards we have made for the PoKeys? : http://www.cnc4pc.com/Store/osc/product_info.php?cPath=54&products_id=219, http://www.cnc4pc.com/Store/osc/index.php?cPath=54.

They make this kind of setups doable for a lot of people.

Arturo Duncan
http://cnc4pc.com



Nice work Arturo... now you tell me :)

I have used you stuff before, its all good too.  I will try the mother board on my next project.

Thanks,
JH

188
PoKeys / Re: PoKeys or Modbus - Need a little more IO
« on: December 09, 2010, 05:54:39 PM »
Can you move any of your non real-time IO thats on your 2 ports now over to Pokeys?  Then put you real-time IO, (like limit, probe trig, and home sensors), back onto your newly freed up Port IO ?

Just a thought?

JH

189
PoKeys / Re: PoKeys is working great! Thanks!
« on: December 08, 2010, 11:40:47 AM »
Yep, the entire connection to Mach3 is via the PoKeys USB interface.  I had to add some 74LS05's (open collector outputs) to drive my LEDs buttons as they were wired for 12VDC and a 3 NPN3055 power transistors to drive the 3 banks of buttons LEDs from a single output, buffering the PoKeys outputs to the NPN with 74LS04s

The only thing that I would recommend for PoKeys to change, is to make the board a little bigger with larger terminals and mounting holes.  Its so small, that my big fat fingers had a hard time getting it connected up and I had to use double sticky tape to mount it.

Thanks
JH

190
Looks great and bet you are glad you went to AC servos :)
Hood

100% correct on that...  When I start on that Mori Seiki SL1, it will be AC Servos from the get go.

JH

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