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My bad if I said strength I meant stiffness. While strength is important stiffness is king in CNCs.

I have heard people mention that wood is full of air especially when talking about particle...

Where you are looking sheer as well as torsional in wood I would go that way. But where I am looking for predominantly torsional like the frame or deck I would go box.

I learned a lot about frame...

Agree the last thing you want is the Y axis bending through a lack shear stiffness. But even that can still be pseudo boxed by creating an LVL(Laminated Veneer Lumber) with holes. You can get 4 plys...

Hey Peter,

While increasing the thickness is one way to tackle the problem it is not necessarily the best way to tackle the problem. I did a quick demonstration for my wife the other day to...

Chris just some food for thought... the Z axis is only ever moving the Z axis, it generally is only moving the Z axis very small increments, unless it is doing a full retract and even then it is...

https://www.cnczone.com/forums/attachment.php?attachmentid=474730&stc=1
Chris this is one of the big problems with that design. For every action there is an equal and opposite reaction. So while the...

Unfortunately not too much seeing about it. That design is inherently weak to start with (very popular but weak by design). I wish you luck. Hope you have fun with it. A DIY CNC is a great buzz to...

I wish you would have read my post before you built it, it would have saved you a lot of heartache. Expect a lot of racking issues. This is all part of the CNC journey. Not the fun part, but a part...

a 4' x 8' CNC is no toy, so you don't want to half do it. Everything starts and ends with the frame, as it will be the thing that limits you the most out of everything. Trying to think of an...

Hi Chris,

There are several things I would suggest you consider... Some tips and tricks I learned on my CNC journey.
Firstly ally (aluminum) is generally not a cheap or particularly good material...

I wound up buying a XHC-HB04, but will keep this in mind as a future option.

Thanks guys. I am in the middle of building a new stand with another PC that supports 64 bit / Win7. So hopefully that sorts out the issues.

Does anyone know if there is a line limit to UCCNC?
I tried doing some dynamic milling which produced a lot of lines of G-Code for a fairly simple operations, but when I tired to do a few simple...

Fair enough. I think I am going to have to wait our dollar is better, it's starting to tank thanks to this virus.

OK thanks. Only $5 more so might be worth getting it anyway. There are no better options on the market at the moment are there? Assuming this is still the best option for the UC300ETH.

Can someone please tell me what this $5 option does? Is it so the BOB can work off 12v? or does it provide 12v outputs?
I have only 36v PSUs and 12v PSUs but the UB-1 seems to want 24v.

Thanks guys I'll just stick to the XHC-HB04 then since it has a few more macro options.

Hi All,

I know UCCNC supports the XHC-HB04 pendant, but has anyone tried the WHB04B-4 with UCCNC?
Same manufacturer just a few more options. Now I understand that the new options may not...

Just ordered two 967-RSEN-2030L

I think I may have a EMI power filter already on the system. I needed a IEC socket so I am pretty sure I bought one of these https://www.jaycar.com.au/iec-emi-power-line-filter-6-amp/p/MS4003
Jaycar...

Can you do me a drawing of what your talking about? I thought by having all the drivers and the PSUs on the same aluminum plate they automatically connected to the same point where the VFD comes off....

Been back to the drawing board. I have a sheet of 5mm aluminum here I was planning to use for another project but it never happened (CNC bed). I can mount all the drivers and PSUs on it and run a...

Designing is nearly done. I plan to section the PSUs and the drivers from each other with a divider wall. The wall will go between the 200mm fan and the 120mm fans.
At the moment I am leaning...

Currently the VFD isn't incorporated into the system, it has to this point been separate to the system. At this very moment I am drawing up a brand new controller stand. It will incorporate the VFD...

Quite possible, wiring looks like a dogs breakfast at the moment. I am about to build a new control box, so I will fix up all the leads when I do that.

Yes, that was what I meant (was late) that something else appears to be the root cause not the UC100 or UC300ETH.

Well I know they handle at least 50kHz because they have been running like that for probably the last 5 years.

For ****s and giggles I tested ger21's theory that the PC will have no bearing on the...

Smoother instructions. UC100 is supposed to do up to 100kHz the newer UC300ETH is supposed to do up to 400kHz.

But I was running 50kHz or 100kHz with the UC100, although... I am now using a ribbon cable I wasn't once using. I wonder if that is a problem?

I am still waiting on confirmation that the UB-1 is...

The PC I am using is an old Point Of Sale machine running Win XP. I am going to try my laptop (virtual Windows 7) to see if the limitation is in the PC.
When I try 50kHz it make the smallest little...