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X axis gantry, cheap linear rails quick look, new Z axis touch off (again!) and Y axis movement.


https://youtu.be/ZCYr-Syin5E

Wait...what?!?!... McDonald's do wine? Red or White?

For milling, HSS is fine. If you can find a tool with a carbide insert, it can work faster / harder but it is less forgiving, brittle and more expensive.

For turning, HSS is generally a waste of...

OK, I finally found a well priced and well featured plasma cutter. Here we go again on another CNC project!

https://youtu.be/GClBEL8X6mc

Hi,
I'm not fully committed to this, just looking into it for now, but does anyone know of a low cost plasma cutting machine suitable to use with a CNC machine. I think HF start is too risky -...

Have you checked the parameters on the vfd like
PD005 400
PD006 2.5
PD007 0.5
PD008 230
PD072 400
PD073 120

PD141 230
PD142 10

Are you wiring it correctly.? Which terminal are you connecting the spindle to.?

If both vfd's do exactly the same. I'd say the motor is a duffer internally.

Have you tried testing without spindle connected this time.?

Also, did you put heat shrink or tape over the soldered pins, if not they could be touching the connector body, though I'd expect an...

That's not a good sign, it's suggesting the spindle is going to ground. Does it make any buzzing sounds then trips or instantly trips.? Does the spindle twitch at all.?

Silly question but you have...

What happens exactly.? Does it try to start up then give the over-current error or does it just trip straight away.?

PD14 and PD15 are the only ones you are interested in, Set both to 20 just to...

5 months - Wow, that's a tough pill to swallow! I think the situation will only get worse in the future at least in the US with politics and import restrictions effective July 1st. I finally received...

Yes 2.8 and 2.9 has it. It is a bit different than 2.7 But that now is a dead duck

Or you could go down this route https://forum.linuxcnc.org/9-installing-linuxcnc/38857-debian-10-3-buster-linuxcnc-quick-and-easy-install?start=0#164287
.
There are now quite a few iso's floating...

27868

True that it will never do auto-squaring but it's still where you have to start in order to then upgrade to 2.8. My recommendation is to do a clean install of LinuxCNC and use the...

I know you have said all this before but before you go down this route the machine should be made to cut accurately.

You are say it is out by about 1mm at 1M/min or 10M/min. That sounds like...

2.8 IS stable 2.7 is no longer updated also it will not do auto squaring.

Still the Beta v2.8 for auto-squaring. They're still developing v2.7 as the main thread even though the beta version is actually quite stable, though fundamentally different under the bonnet. Might...

This thread will help you with this bit:

http://www.mycncuk.com/threads/12687-Auto-Squaring-with-LinuxCNC-v-2-8

Not starting at 8K plus Vat I wouldn't. Then you are still stuck with a Chinese made machine that's using a DSP controller that is notorious for failing and is probably what he mentions in the...

If you had 1mm of backlash you'd feel it by shaking each axis, it would feel like it's falling off.!

The easier way to find the edge in the settings is to profile say a 50mm circle with each pass say 0.2mm deeper, so soon its starts to get clear what's happening

50mm circle inside a square is the...

A couple of experiments for you to try.

*** CAUTION: Hand coded G-Code and un-tested. Sit next to your E-Stop!!! ***

27730

This should slowly rock the X-axis by 0.5mm (or 18 degrees on a...

Have you measured your backlash? You need to check backlash.

Actually, on reflection, it wouldn't make any difference the size would still be correct it's just your pocket walls would be a parallelllllll gram or what ever they are called..:thumsup: