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you can get BT30 spindles for only a tiny bit less than an ATC-800. It's still very expensive, the tooling is even more expensive, and there is no way you're going to fit it to an engraving machine,...

I have an ATC-800, that's what I meant by iso10 just isn't enough, I've tried fly cutters smaller than this. But it would be great for PCB work, and it works fine in aluminum as long as you stay...

It's a facemill, if you rotate the insert around to get a straight shoulder you can't access the face of your workpiece anymore with the shallow corner of the insert, and you have contact with the...

Do you really need 0.8 micron per step? That's the first thing I would change to a more sane value just as a mater of course. Reducing your microstepping can help you get more speed if you're...

NPN sensors follow the same standard, you won't damage the sensor by hooking it up to power, and you should be able to tell with a multimeter on the signal line whether it's really NPN or PNP. I was...

the wiring of pnp sensors is standard
https://automation-insights.blog/2018/02/14/an-easy-way-to-remember-pnp-and-npn-sensor-wiring/

If you've got room for an ISO30 why not BT30? At least in the states the BT30 tool holders seem even more available than ISO. I'm switching from an ISO10 to BT30 on my machine for exactly that...

When it's rammed against the top and you've hit reset if you check the diagnostics page without touching anything else is the LED lit up?

While the Z is actively trying to home and stalling out...

I would think that if the rail position was enough alone to make or break your bed deflection spec that your bed just wasn't thick enough full stop. But my thinking was more that no matter how thick...

you probably want to bring your Y rails in a little closer, you don't want the trucks all the way at the edge of the bed. The stiffness of the table is going to be greatest right where the it is...

Even if it's just punching pilot holes that will massively, massively reduce the amount of work you need to spend drilling

I'm building a slightly smaller machine the same way ( 9.5" separation, 20mm rail, 3/4" 6061 table ) and while I haven't checked it for deflection I certainly haven't run into any binding with it...

ya don't worry about what bits may come with your kit, they'll probably be crap anyway, just figure them as a bonus. In general you want to use the largest bit possible for the cutting, as the...

you cant do any real damage with this machine other than to your tool bit. Your motor couplers shouldn't have any slip at all.

When you run the program is it always skipping in the same place? ...

I do the same. I have a 19mm 6061 fixture plate that I made that is permanently mounted to the tslot. Then I also have slabs of MDF that bolt through to the fixture plate when I need a spoilboard. ...

it isn't related to accuracy at all. You could have no linear encoder at all, and as long as the machine stops in the same place every time you hit the stop button you still have perfect...

Repeatability is just what it says. If you command a 1.0000" move and the machine moves 3.00002" every single time you have easily satisfied your ±0.000039” repeatability spec (and have a horrible...

even dry is manageable in most situations, only deep slotting can get sketchy, but you must have at least a strong airblast (a little fan or gust from an aircooled spindle is not even remotely...

I've been running 6000mm rapids and 600mm accel, and I think I turned the microstepping up on the drivers by one step. The accel is the really important part to me, even if I do all my cutting at...

proper torque is important though on the nut, want to make sure you hit the right target.

I remember seeing some carousel setup where the CNC moves in a circle to spin the carousel (which then...

even 10k is pretty low if you've got the right cutters. I think the slowest I run is around 16k with a 1/8" 2 flute, typically run between 20 and 24k with 1/4" Oflute and 2 flute cutters. Plenty of...

or just deck the whole top flat and spot holes for locating pegs for each letter, then machine the letters out of thin sheet stock and glue them in. You could do the M in 4 parts, the diamonds each...

I would probably try and make a fixture to hold the angled surface flat for your text operation, just cut out all the surfacing issues right there. Once you've knocked the bulk of the material off...

The point of the spring collet is it's undersized. So when you're using the spring collet version you have two nuts. The tool and mini tool holder, which is all set and tightened down, and then the...

the USB 3 may be situational, but it's certainly not a universal problem. My host PC has no USB 2 ports at all, only USB 3 and I never had any problems running the controller.

cycling step...

I don't see why G0 would behave differently at the beginning of a program vs once it's already running. Can you reduce it down to just the gcode that's running up to the problem? maybe your CAM is...

you wouldn't probe with the motor connected. Did you happen to check for resistance between the winding and the case as well?

In my Hitachi drive the motor had to be set to 220 and then voltage...

With the VFD unplugged I guess you could continuity test between the 3 motor terminals to see if any of the output fets are shorted, or try to power it up without the motor connected and see if you...

I'm not sure how the rigidity would be, most spindle load I rough under has been about 30% I'm pretty sure that the guy that designed my spindle is related to some other company that looked like it...

not BT30, not even close. I've got an ISO10 toolchange spindle. It's only barely bigger than a regular 800w spindle, which is really only big enough to hold ER11 toolholders at most. There are...