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Messages - Spruft

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Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 30, 2011, 08:31:17 AM »
Thank you I'll try that one out soon. There is some left before I can start playing around with mach 3.
1. Making a holder for the focus lens.
2. Air assist for protecting of the lens.
3. Setting up some kind of limit switches. Don't know what to use yet for this high speed application.
4. Some PWM regulation for the four PAPST fans to cool the laser (they are a bit overkill for shorter runs - 18Watt each - and make a lot of noise).
5. Knock a hole in the brick wall for poisonous gases to get out.
6. other stuff that will come up  ???

Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 30, 2011, 07:34:47 AM »
Thanks for the support Tweakie!

to switch between 5.0% steps and 0.5% steps
Haha I didn't notice it. Took a long time to get to 95% sometimes :D

A picture from the back. Currently working on the electronics.

Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 29, 2011, 11:23:29 AM »
Hello Tweakie and others!

I've been following this thread for a while now with great interest.

I've recently got a Synrad J48-2 and tested it yesterday with the controller of your design. Thank you for sharing!  :D

Here is a picture from it.

It says V16.1 when I turn it on.

I have some questions about the controller that is unclear to me.
1. Is there a tickle pulse even when I turn the encoder to ==OFF== mode?
2. From what I understand, the red LED on the J48-2 is supposed light dimly when it get the tickle pulse. Now it light up first at 1% PWM. And I've tried to get some light by changing the trimpot.
3. Do you change the frequency by pushing the encoder?

Best Regards
/Isak Nordell

General Mach Discussion / Artcam postrocessor
« on: June 22, 2007, 01:22:46 PM »
I can't download it.
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For your information ::)

best regards

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