Centroid Community CNC Support Forum

see pictures below. Please contact for more information. Machine is located in Atlanta, GA

Precision Matthews PM728 cnc conversion

Asking 6850 OBO, be reasonable and we can work something out. Can help load at my location. I would suggest at the very least a pickup. A trailer is easier.

I bought this machine new in 2020, converted to cnc early 2021. It has made and continues to make ...

I'd say if you are doing acorn just go with clearpath servos. simple, easy and reliable.

My biggest dislike of the centroid control is the lack of a separate rapid override, I have worked with Mazaks for around 10 years and just can't get used to not being able to separately control the rapid speeds for first parts.

Would be awesome to be able to dial down the rapids but leave feeds ...

I have been ignoring this mill for the most part for the last 8 months or so. I got a Sharp 2412 proper mill and have been using it exclusively. I recently moved the Precision Matthews mill to my shop and have begun the process of rebuilding it: new enclosure, new touchscreen, doing a new oiling ...

Hi all! 6 months after getting a bigger cnc machine (Sharp 2412, a real big boy) I am coming to realization that I have not used my converted mill at all.

I need the garage space, so I am listing the PM728 conversion.

You can check out videos and info on the conversion here: https ...

Was just a cheap 56C inverter rated motor I found on eBay used. I didn’t seek out a specific motor model.


I am planning to upgrade to a 2HP 3-phase motor plus a VFD, and would like to know what bearing sizes does one need to replace the stock ones?

The exploded view in the manual on the ...

DesertRider wrote: ↑Thu Feb 03, 2022 9:58 am

jpmsteadi wrote: ↑Thu Jan 20, 2022 8:19 pm [...]

As I had already changed to a bigger motor [...]

Can you link to what motor did you use? Thanks.

Was just a cheap 56C inverter rated motor I found on eBay used. I didn’t seek out a specific motor model.

Thanks!!

makes perfect send. Do you have a model number?