Search found 1984 matches

by suntravel
Mon Feb 19, 2024 8:48 am
Forum: Centroid Acorn CNC Controller
Topic: Tool offsets Lathe
Replies: 4
Views: 263

Re: Tool offsets Lathe

The width of the probe is only for auto measure ZX, so after measuring Z the CNC knows the center of the probes width. Measuring drills in X with the probe is a "bad habit", because if the drill edge is not exactly set in height you get wrong values, set X0 of the toolholder with a dial in...
by suntravel
Sun Feb 18, 2024 12:36 am
Forum: Centroid Acorn CNC Controller
Topic: Safe Spindle Temperature?
Replies: 23
Views: 1152

Re: Safe Spindle Temperature?

Depends on the bearing grease, I use Isoflex NBU 15, thats good from -40 to 130C My spindle is reaching 45-50C fast and stays there even if I run jobs with 6000 rpm 16h a day. If your spindle temp keeps rising and will nor equal out at some point, I would stop at 80C, dismantle, clean and fill with ...
by suntravel
Sun Feb 18, 2024 12:08 am
Forum: Centroid Acorn CNC Controller
Topic: TB270 and TB309(Rev4) Comm error <resolved>
Replies: 12
Views: 853

Re: TB270 and TB309(Rev4) Comm error unresolved

Yeah, I have had a really hard time to keep my printed documentation up to date 😂

One reason my CNCs are now dual monitor...

Uwe
by suntravel
Sat Feb 17, 2024 2:50 pm
Forum: Centroid Acorn CNC Controller
Topic: TB270 and TB309(Rev4) Comm error <resolved>
Replies: 12
Views: 853

Re: TB270 and TB309(Rev4) Comm error unresolved

phazertwo wrote: Sat Feb 17, 2024 2:43 pm Chief_hacker you are a life saver!

I have been fighting com issues since I updated CNC12 last month... so frustrating!

I agree that this should be added to the COM issues tech bulletin.

PZ
Did you read the current version?

Uwe
by suntravel
Fri Feb 16, 2024 12:30 am
Forum: Centroid Acorn CNC Controller
Topic: Input to jog axis
Replies: 3
Views: 168

Re: Input to jog axis

I would wait for the upcoming USB BOB

https://centroidcncforum.com/viewtopic.php?f=67&t=9747

Uwe
by suntravel
Fri Feb 16, 2024 12:28 am
Forum: Centroid Acorn CNC Controller
Topic: stepper online servo
Replies: 2
Views: 154

Re: stepper online servo

These are Leadshine Servos, driver is without 0-10V input.

They work fine with Acorn, 200khz on Headers and up to 500 khz on DB25.

Easy to wire, because all screw terminals no soldering for a custom cable.

Uwe
by suntravel
Thu Feb 15, 2024 7:22 pm
Forum: Centroid Acorn CNC Controller
Topic: JMC 220V Servos with Acorn
Replies: 34
Views: 8086

Re: JMC 220V Servos with Acorn

Glad that it runs now smooth.

Resonance is maybe from the belt, try to get a bit more tension.

Uwe