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January 26, 2020, 12:48:59 PM *
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 on: Today at 11:14:41 AM 
Started by tweakie - Last post by ArtF

   Nice work. Nice to know the numbers work out in reality. Smiley


 on: Today at 08:52:33 AM 
Started by tweakie - Last post by Hessel Oosten
Great Paul/Tweakie !

If I remember well NYC CNC (on YouTube) once made a hypocyclo id reductor of a normal speed electric motor to 1 rotation in 30 years !!!
They did put several reducer layers behind each other, so it's clear now that Paul is --not-- fully ready at this moment .... Wink

Some nice explanati ons also here:




My interest in this subject is caused by the fact that I'm trying to build the Woodward gearless clock
(which has in the John Wilding drawings, also a daisy wheel for the 12:1 reduction for the dials).

 on: Today at 08:10:06 AM 
Started by tweakie - Last post by tweakie
A few seconds of poor quality video, just to prove that it works  Grin


 on: January 25, 2020, 04:31:10 PM 
Started by gburk - Last post by gburk

I think the major differenc e is i setup the form and compiled with C++/CLR and i haven't seen alot of info on CLR but i think it somewhat different in the way it passes functions between classes than in C++ 
I will keep searching ..


 on: January 25, 2020, 03:54:09 PM 
Started by JohnHaine - Last post by JohnHaine
Thanks Art, and also Kirk, that website is cool!

Generatin g the cam is slightly complicat ed by the fact that the follower for a clock is probably going to be on the end of a pivoted arm which drives a pointer - you have to allow for the fact that you probably want the pointer scale to be linear in minutes, as well of course for the diameter of the follower pin.

 on: January 25, 2020, 09:59:41 AM 
Started by MarkW - Last post by ArtF

 Glad to hear you've got it working. Nice to see so many people
using Auggie these days. Let us know how your photos and engraving s
turn out.


 on: January 24, 2020, 08:15:05 PM 
Started by MarkW - Last post by MarkW
It was working on my head so I had to go try my solution tonight.  I knew I'd never sleep.

 I used the DIO33 type pin 18 on Pokeys57C NC  (PWM4 in Auggie).   I can now fire the laser diode.  10% power results in approxima tely 1A power from 5V laser supply.  100% is 4A. 0% is 0A.  So I am varying the laser power at least.

Still not sure what period to pwm freq to use but that will wait until tomorrow along with other fine tuning.


 on: January 24, 2020, 07:32:54 PM 
Started by MarkW - Last post by MarkW
Thanks Art.   I'll check to make sure but am pretty confident they are set as you indicated .   When I hit the fire button the led in auggie lights for the time I have selected,  1 sec.

After t/s I think it a connectio n problem.   I'm using an OCOC output driving an optically isolated input in my laser control board.  Once I looked at two schematic s I see it cannot work.  Tomorrow I'll charge to a DIO33 type output.   Pretty confident that will work.


 on: January 24, 2020, 05:08:55 PM 
Started by tweakie - Last post by ArtF

 Thx, good informati on. Proves my thought that 3 pins are enough as well.
I like it.


 on: January 24, 2020, 05:07:58 PM 
Started by MarkW - Last post by ArtF
Hi Mark:

 Make sure the PWM is longer or shorter depending fire time selected. If is does vary,
I suspect your on your way. You have to have the

GCodeLib and SpindleLi b-Laser enabled under Gcode as well as
MotionIO under IO.

  I think thats it, as long as an M3 has been run , the fire button should work.
Make sure you ran an M3 in the single line MDI though, it wont shoot unless
M3 is activated . It should flash that laser is  enabled at that point.


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