Centroid Community CNC Support Forum

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Centroid CNC12 Mill, Router, Lathe and Plasma Software Download:
https://www.centroidcnc.com/centroid_diy ... operator_manuals/centroid-cnc12-lathe-operator-manual.pdf

Acorn Probe Setup Guide
https://www.centroidcnc.com/centroid_diy/downloads/acorn ...

... CNC12 variant now installs in it own dedicated directory. Mill =c:\cncm, Lathe = c:\cnct, Router = c:\cncr, Plasma = c:\cncp, Fiber Laser = c:\cncl

4 ... Lathe, G17 and G19. Requires an Ultimate License.

12. Wireless Touch Probe Support, requires an Ultimate License.

13. MPG/Scale/Encoder real ...

... set up center as a compensation point, but you can't touch it with a probe, so it will be 1/2 width of the grooving tool off in Z.

Just make sure the setup in CAM is the same as your tool setup on the lathe.

Uwe

... is good to set to 1.

P155 - why are you setting this to 1? Is it a DSP probe (i.e. DP-4D)? If the probe is outputting a simple contact closure then ... why this is necessary considering the most common use for a probe on a lathe is as a tool touchoff device. I wouldn't worry about this too much ...

I replaced this one on my lathe with the new KP1, because the repeatability is way better.

But this Chinese probe is better than most other very cheap ones.

Uwe

Update on the Probe Arm.

Craped the china probe and replaced with Centroid KP1

Uwe

Now a video with using the Probe Arm:



Uwe

So now I got my solid carbide square for the TTO and just made the construction to mount it on the probe...

The square is a 3 buck replacement part for turning tool holders

If this works, easy peasy to measure lathe tools in all four (six) directions with high precision

Uwe

The Probe Arm is ready.

Now I have to make a square tip for the Probe.

Parts are milled with blue tape/CA mounting, threads are milled.

A big advantage of a probe arm is that you can measure tools with the workpiece clamped, or with a collet chuck, no need to change the collet for measuring.

I ...

Well, I wired it up on AUX Probe 772 and it seems to work.

I got a deal on an old Renishaw HPA probe arm and installed it. I had to make a bracket that tied into the headstock to make it stiff enough and it appears to be adequate. The bonus is no axis movement is allowed with the probe arm removed ...