Ordering Avid Pro CNC - Page 2 - Router Forums
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post #11 of 217 (permalink) Old 07-26-2019, 09:24 AM Thread Starter
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I'm with John on buy the plug and play electronics, if you can. I built my own electronics, but that is what I do for a living..

As far as proximity sensors, I got mine from Automation Direct (online shopping). Also got my vfd and enclosure there.

A touch plate is definitely worth the money. Someday I will get John to use his...

Good luck with your build!
I’m not to intimidated by the electronics, and I’m actually looking forward to it . I’ll have an over sized cabinet just to make things easier to work on .

I was hoping to use UCCNC , and Avid doesn’t support it, so I will be stuck with Mach 3 or 4 if I use their electronics.

I donít always insulate , but when I do .
Ok ,I never insulate
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post #12 of 217 (permalink) Old 07-26-2019, 09:46 AM
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Ok I was right with the 100mm mount as I want to get the same spindle your using . Any reason I shouldnít go that big?
For 3D carvings ,maybe a 3kw is burning up more electricity than needed?
I would get the 3kW over the 2.2kW. I doubt there's more than a couple of amps difference in what they pull and there's just something about MORE POWER that I love!!!

David
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post #13 of 217 (permalink) Old 07-26-2019, 09:59 AM
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I would get the 3kW over the 2.2kW. I doubt there's more than a couple of amps difference in what they pull and there's just something about MORE POWER that I love!!!

David
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post #14 of 217 (permalink) Old 07-26-2019, 10:09 AM
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As long as you buy well documented electronics, you will not have any issues. You are just connecting boxes with wires, not much more complicated than wiring a stereo system, not like you need to solder components on boards. Do buy decent shielded wire, it will definitely prevent issues that you don’t want to track down. The steppers and Spindle will definitely need to be shielded, not necessary for the proximity sensors, but won’t hurt. Shielded wire designed for high flex applications is more expensive and a bit harder to find. That is one of the reasons for the higher cost of their prewired setups - they actually supply decent cables. .
I do urge you to learn at least a little about steppers. You will not want to buy most of the cheap sets of steppers and drivers that are out there. You want to look for some low inductance ones, the recommended driver voltage is related to the inductance by the formula V = 32 x sqrt(inductance). The ones that CNC Router Parts (Avid) sells are pretty good, but you may find equivalent elsewhere for less. Have you decided on whether you will go Nema23 or 34? I have the 23s from CRP on my DIY and am quite happy, I believe David used 34s.

I used the ESS, but if you want to go UCCNC, you will need one of their motion controllers. I bought an AXBB-E and UCCNC license a few months ago (for a planned smaller machine), combined they were less than either the ESS or Mach4. Based on Gerry’s recommendations, I think it is a smart way to go.

My machine is also 4’ x 5’, it is a great size, and easy to balance a full 4 x 8 sheet if you need to. In 3 years since I built mine, I have yet to need to, but am building a new house and shop and will extend mine (already have the extrusions) so I can do my kitchen cabinets. Don’t forget to assemble it allowing the spindle to overhang one end so you can do joinery cuts on vertical boards - consider 6’ rails.

I have a feeling that once you receive it, you won’t be waiting for winter to assemble. Have you started learning any of the software yet?
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post #15 of 217 (permalink) Old 07-26-2019, 12:02 PM
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Auto Z and Corner Finding Touch Plate | Avid CNC | CNC Router Parts
Would you guys suggest using their touch plate , or are there better options ?
The expense doesnít seem to bad .

Here's a link to the touch plate I use. The Makers Guide - Triple Edge Finder - THE MAKERS GUIDE The Maker's Guide costs $77 vs Avid's $130, a significant difference. There are also ones similar to the Maker's Guide on Ebay from around $35 to $55.

The Maker's Guide does corner finding and sets Z. It works great, but does not have spring loading for Z axis touch off. I've only had a problem with that once, but it had nothing to do with the the touch plate. At that time, I was using an acme screw on Z. The coupling slipped and allowed the axis to dive too deep and chipped a cutting edge.

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post #16 of 217 (permalink) Old 07-27-2019, 11:46 AM Thread Starter
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Here's a link to the touch plate I use. The Makers Guide - Triple Edge Finder - THE MAKERS GUIDE The Maker's Guide costs $77 vs Avid's $130, a significant difference. There are also ones similar to the Maker's Guide on Ebay from around $35 to $55.

The Maker's Guide does corner finding and sets Z. It works great, but does not have spring loading for Z axis touch off. I've only had a problem with that once, but it had nothing to do with the the touch plate. At that time, I was using an acme screw on Z. The coupling slipped and allowed the axis to dive too deep and chipped a cutting edge.

Gary
That’s very cool . The only think I like about the cncrouterparts one is it has a spring loaded plate .
It’s funny , as you say there shouldn’t be an issue , but I get anxiety every time I watch those bits go down to touch the solid metal surface . I’m assuming it’s made from aluminum?

I’m going to order one from cncrouterparts,and buy this one at a later date when I get a little more familiar with the machine .
Thanks for the info Gary

I donít always insulate , but when I do .
Ok ,I never insulate

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post #17 of 217 (permalink) Old 07-27-2019, 11:52 AM Thread Starter
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Well I wish I still had cncrouterparts phone number . I forgot they don’t provide one , and you have to email them in order for a call back .
Guess they were getting to many phone calls

I donít always insulate , but when I do .
Ok ,I never insulate
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post #18 of 217 (permalink) Old 07-27-2019, 12:01 PM
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"I do have the insulation for the lower floor in my shop so if I hurry I might beat you to insulating."
-Mike
Take your time, Mike; no rush.
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post #19 of 217 (permalink) Old 07-27-2019, 12:31 PM
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Rick

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post #20 of 217 (permalink) Old 07-27-2019, 12:40 PM Thread Starter
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Rick

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Got it , thanks John

I donít always insulate , but when I do .
Ok ,I never insulate
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