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1st Sep 2019, 10:38 PM #1
First dipping of toes into the CNC world... bought a little engraver/mill
Well, I finally did it...
I bought a desktop fixed gantry CNC engraver.
$_58.PNG
It is a few years old and came from an industrial environment but appears to have very little wear - other than the spindle brearings.
It weighs about 60kg + and is almost entirely made from ribbed cast iron castings and sections.
The control system was proprietary and driven by serial port - and it didn't come with it.
So my intention is to fit new stepper drivers and an off-line motion controller, that reads G-code from a USB or memory stick.
I also intend to raise the gantry by about 3" (75mm) to enable me to get taller work pieces under it. I can slide the motor down by the corresponding amount in its clamp to enable flat work to be machined.
A question remains, in that I don't know how to select a motion controller: what pulse rate should it be able to deliver? How can I know? There seem to be $150 50kHz ones and $250 500kHz ones ....
Anyone want to clarify that for me?
Last question: I intend to generate G-code in Fusion360 Cam module, but what do I need to know to get the right "dialect"?Cheers, Joe
retired - less energy, more time to contemplate projects and more shed time....
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2nd Sep 2019, 11:21 PM #2Diamond Member
- Join Date
- Sep 2006
- Location
- Australind , WA
- Age
- 58
- Posts
- 1,281
That will keep you quiet....lol
Well done.
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3rd Sep 2019, 10:00 PM #3Most Valued Member
- Join Date
- Nov 2017
- Location
- Geelong, Australia
- Age
- 57
- Posts
- 2,669
Very cool Joe - two projects in one (get it to work, then get it to make stuff)!!
Watching with interest!
Steve
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3rd Sep 2019, 10:21 PM #4Senior Member
- Join Date
- Oct 2015
- Location
- melbourne
- Posts
- 473
The DDCSV controller seems to have a bit of following on mad modder, with at least one guy producing some much improved software.
Russ
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3rd Sep 2019, 10:52 PM #5
Yes, Russ. I read the entire thread now. Very interesting insights - and lots that went WAYYY over my head.
However, I pulled the trigger on one. A DDCSV2.1 4-axis. See what I can do with that....Cheers, Joe
retired - less energy, more time to contemplate projects and more shed time....
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8th Sep 2019, 11:07 PM #6That will keep you quiet....lol
Even a turnkey setup isn't immune from those dreaded software gremlins.
Interesting to see how you progress.Frisky wife, happy life. Then I woke up. Oh well it was fun while it lasted.From an early age my father taught me to wear welding gloves . "Its not to protect your hands son, its to put out the fire when u set yourself alight".
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5th Nov 2019, 06:57 PM #7Most Valued Member
- Join Date
- Aug 2011
- Location
- Melbourne
- Posts
- 4,779
Hi Joe,
late on the scene here but I'm really interested to see how this progresses.
Nice project!
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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