Retrofit of Precix 5x10 CNC

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02 May 2019 23:13 #132573 by randypetersen
Looking to start a retrofit of a 5x10 Precix CNC machine.

Thinking once I get the LinuxCNC machine up and running I would look at getting a Break Out Board.
Looking at mesa 7i76e board seems to work with linuxCNC, spindle control, ATC(i think) and has plenty of expansion. Little pricey, but I don't want to skimp on it.

I am going to take apart the control box and find out more info about the drives. As it is, I can't really see much about them. Same with the motors for that matter. They appear to be servo motors trying to get some more info on them. They appear to be all different.

Want to ask you guys if the 7176e is good choice for this kind of retrofit, also if it's compatible with a wide range of drives. I was thinking about buying some new drives for the motors as well. Does anyone have any recommendations on those?

I retrofitted a mill with Gecko stuff and it seemed to work fine. I see this "G320X DIGITAL SERVO DRIVE" and thought that might be nice to change out the drives. Not sure if the G320X would be compatible "mesa 7i76e" and the motors I have. Will have to do more research. On my mill retrofit, I had to change the steppers out anyway, so I wasn't too concerned, but would like to keep these motors if possible.

Thanks for any input!

Here is what I know so far:
Pricix 11000 or 10500?
X - Axis Motor Magmotor
Y - Axis Motor T31-22
Z - Axis Motor Magmotor C33-E-300 / C33-E-300FEB
Coolant/Lubricant Trico MD-1200
Spindle RC 90.22 Colombo Spindle with Automatic Tool Changer
Spindle VFD Control Techniques SE23200400 AC Drive 5HP
Vacuum MAT: B70514 2003 TIPO: SCL 90 DH
Vacuum Motor EMG 3 Phase Type 132 / 15HP
Servo Drivers ???
Power Supply ???


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02 May 2019 23:23 #132576 by PCW
Replied by PCW on topic Retrofit of Precix 5x10 CNC
At first glance, those appear to be analog servo drives,
(and brushed DC motors)
so an analog servo interface rather than step/direction interface
would be needed if you are going to keep the drives.

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03 May 2019 04:07 - 03 May 2019 04:09 #132596 by randypetersen
Thanks PCW!

Going to have to do some more reading about that.

Can I ask, what equipment would you recommend?
Would the Mesa 6i25 + 7i77 work with my setup? (I always used parallel, but it kinda sounded like Ethernet was the direction the industry was going)

Would you recommend Mesa? Someone said they were good so I was looking that direction, but I would love to hear your input.

How would I find out if my analog servo drives (and brushed DC motors) would work with the Mesa 6i25 + 7i77?
or would you suggest I look at getting replacement Drives as well? if so which ones?
and I guess I might as well ask if I should keep the motors?

Sorry for all the questions...

Thanks again PCW, this stuff is fascinating and I am in awe with this world as I have been an admirer of CNC machines, I wish I had more time to be really be a PRO at this stuff like you and the folks on this forum are.

Still couldn't find details about the motors, manual only says:


Randy
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Last edit: 03 May 2019 04:09 by randypetersen. Reason: added bit about ethernet vs parallel

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03 May 2019 04:20 #132597 by PCW
Replied by PCW on topic Retrofit of Precix 5x10 CNC

Would you recommend Mesa? Someone said they were good so I was looking that direction, but I would love to hear your input.


Umm that's a bit awkward and I definitely am biased since my wife and I basically are Mesa...

If you want Ethernet, a 7I92M +7I77 (or 7I77D) is one option

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03 May 2019 06:29 - 03 May 2019 06:33 #132604 by pl7i92
Replied by pl7i92 on topic Retrofit of Precix 5x10 CNC
Choking you shoudt live it on trailer and go on Cutting Work tour around your country makershops will pay you for visits

is this on the Front a Rack tool changer
also the Blue Valves is the table a full Vacuum Table with 4 sections
the Spindle is a 4KW Duo so no problem with a standard VFD

are all 3 Axis motors the same
Last edit: 03 May 2019 06:33 by pl7i92.

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03 May 2019 12:58 #132627 by randypetersen
See obviously I don't know what's going on.

Well congrats on having a business where so many people speak highly of you. I read a few forums on linuxCNC BOBs and you seem to be highly recommended.

Thanks for the 7192M+7i77 recommendation. Do you think that would be compatible with my drives/motors?
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03 May 2019 13:22 #132628 by randypetersen
There's an idea, mobile CNC outfit!

Yes, it's a tool changer.


Yep, Vacuum table with 4 sections.
Could use some new composite sections, but otherwise appears to be decent.

I wonder if the 7I92M +7I77 solution would work with the spindle ok?

All the motors are different: X / Z are same brand, Y appears to be different. I am not sure how compatible they are. When I retrofitted a Mill I found out they were 5 wire motors and very hard to work with other drives. Be nice to know if these drives would work or if I should look at getting some new drives.

Thanks for the reply pl7i92
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03 May 2019 13:28 #132630 by PCW
Replied by PCW on topic Retrofit of Precix 5x10 CNC

Thanks for the 7192M+7i77 recommendation. Do you think that would be compatible with my drives/motors?


I am just guessing by looking at the motors/drives. To accurately determine the needed interface hardware
(and how to connect it), you will need to get the drive part numbers ( there appear to be two drive types )

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03 May 2019 14:52 #132637 by pl7i92
Replied by pl7i92 on topic Retrofit of Precix 5x10 CNC
the spindels may be your lowest problem
the Axis drivers may be first to be adviced at working
the 7i92 can do the stuff you need

can you unplug one of the Cards that are connected in the axis area and give us the numbers

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03 May 2019 15:00 #132638 by randypetersen
I can't seem to find detailed info on the motors, I think I will remove them to get a better look at them.




I can kinda see the Z axis:
Magmotor C33-E-300 / C33-E-300FEB
The Y axis info isn't too helpful:
T31-22

I'll pull them and get a better look.
Would this info be helpful:

Encoder is a separate item, correct?
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