Leadwell VMC760 with Meldas 520amr retrofit posability?

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22 May 2023 08:29 #271904 by Madoxen
Hello all I have recently purchased a Leadwell vmc 760ap mill that has a mitsubishi meldas 520amr control, it was one of those purchases that say it was all in working order when removed from work site but turns into a nightmare to get running. after speaking to some professionals in the repair industry they have said that my best bet is to go the Linuxcnc or mach3 route. I am not sure why but i am not keen on the mach3 way  and have been told I might be able to use linuxcnc with a PCI board (posable from yurtaev.com ) and get away with not needing to buy new drivers and servos/stepper motors etc.

I was really hoping for some help and advice on what is involved for me to do this and what i will need to buy to make it happen
the machine has the following

Spindle drive unit  MDS-A-SP-220
3 x MDS-A-SVJ-20
Control system FCA520AMR
the main spindle is 15hp and other motors are 2hp

I can add some photos if that helps anyone more
any advice or help would be fantastic and very well received

many thanks  

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22 May 2023 08:39 - 22 May 2023 08:41 #271905 by Madoxen
here are a few pics will  get some more tomorrow when i am back in the shop.

Attachments:
Last edit: 22 May 2023 08:41 by Madoxen. Reason: remove duplicate pic

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22 May 2023 09:07 #271909 by andypugh
There are positive reports about the Yurtaev interface cards on this forum, and the creator himself is on this forum as "dm17ry"

The yurtaev.com web site isn't responding to me right now (22/5/23) but I am behind a few layers of firewall so it might be that.

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22 May 2023 09:30 #271915 by Madoxen
it is also down for me so think the problem is on their end

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22 May 2023 09:40 #271918 by dm17ry
hi! yes, a few similar machines have been retrofitted. those servos/spindle are fully supported.

the website is hosted somewhere in uk, seems to be down currently:

www.yurtaev.com (104.161.79.162)
Access to this virtual server has been restricted. The node is currently under maintenance. Please try again later

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22 May 2023 10:35 #271920 by Madoxen
Hi dm17ry that is good to know i will have a look through your web site when it back up and get some more info.
is there a specific card or items that you would recommend?

thanks

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22 May 2023 11:26 #271923 by dm17ry
there's not much to choose from:
YMDS2P PCI card will handle MDS drives. it also has 12 inputs and 8 outputs, but usually those are left unused and all I/O is wired to a number of remote I/O modules YI16/YO16P.
unfortunately currently i'm out of stock with i/o, but hope to have new 32-point modules instead in the near future...
I/O modules connect to the main card via YEX3 daughterboard with isolated RS-485.

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22 May 2023 11:31 #271924 by Madoxen
that sounds good do you know how many i/o modules i might be needing ? sorry for the daft Q's
and when you will likely have the 32-point ones in ?, will you or can you ship to NZ ?

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22 May 2023 12:29 - 22 May 2023 12:51 #271926 by dm17ry
on the photo i see 2 x QX531(?) I/O cards. each provides 64 ins and 48 outs. but on the next photo there're about 60 inputs and 23 relays. not sure where the rest is going, probably to the operator panel keys/lights?
we're working on a similar machine (ARGO A-1) and haven't yet used 32ins/16outs... confused with the TDC 450 from the nearby thread :)
can't promise when i get the i/o available, sorry. a few weeks at least.

hehe, just got an email from the hosting provider:

11:50 22nd May 2023 Despite the best efforts the engineer on site was unable to recover the array, the card has been replaced and we will proceed to provide new virtual servers for customers ...  to self-restore from their backups.

luckily i have a backup, but it may take a while i guess...
Last edit: 22 May 2023 12:51 by dm17ry.

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22 May 2023 20:30 #271968 by Madoxen
thanks for the reply and info i will have a look at machine next time im in shop, but from memory there are 23 relays.

"11:50 22nd May 2023 Despite the best efforts the engineer on site was unable to recover the array, the card has been replaced and we will proceed to provide new virtual servers for customers ... to self-restore from their backups.

luckily i have a backup, but it may take a while i guess..."

sorry to here your provider has not managed to fix the fault leaving you with clean up duty that is never a good use of time but necessary all the same.

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