L&P 130 retrofit

Moderators: TomKerekes, dynomotion

Post Reply
mmeyer
Posts: 3
Joined: Mon Feb 10, 2020 8:46 pm

L&P 130 retrofit

Post by mmeyer » Wed Feb 12, 2020 7:21 pm

Hi All,
Thought I'd ask the experts to see how feasible/crazy my idea is...
I have a hunk of old iron (Laschet Partner 130 CNC lathe circa 1995) the drives and servos are in excellent condition (indramat DDS 2.1 drives with MDD servos )
It has Master/Slave spindles with X and Z ways
It was previously operated with a Sinumerik 805d NC and PLC into the Indramat analog interface module (using a DAE 1.1 card with incremental encoder emulator on the DDS drive)
I'm looking at keeping the Servos and drives and replacing the 805 with the kflop/kanalog and a PC based HMI - Would it be possible/cost effective, or should we look at something more industrial?
Regards
Matt
BTW Is there any modbus TCP communication available?

mmeyer
Posts: 3
Joined: Mon Feb 10, 2020 8:46 pm

Re: L&P 130 retrofit

Post by mmeyer » Wed Feb 12, 2020 8:45 pm

Here is the drive manual for anyone interested, appendix C page 4 has the DAE card we currently use

https://s3.amazonaws(DOT)com/Icarus/DOCUMENTS/INDRAMAT_Manuals_2065.pdf (forum won't let me post links, replace the DOT)

User avatar
TomKerekes
Posts: 789
Joined: Mon Dec 04, 2017 1:49 am

Re: L&P 130 retrofit

Post by TomKerekes » Thu Feb 13, 2020 12:27 am

Hi Matt,

It seems reasonable to me.

It has Master/Slave spindles with X and Z ways
Not sure what you mean by this.

Indramat analog interface module (using a DAE 1.1 card with incremental encoder emulator on the DDS drive)
As it seems to accept +/-10V Analog Velocity Commands and outputs Differential Encoder Positions it should be compatible with KFLOP + Kanalog. We often suggest you perform this simple test.

Would it be possible/cost effective
Of course :)

https://s3.amazonaws(DOT)com/Icarus/DOCUMENTS/INDRAMAT_Manuals_2065.pdf (forum won't let me post links, replace the DOT)
There should be no restriction on links once you are registered.
https://s3.amazonaws.com/Icarus/DOCUMEN ... s_2065.pdf
Regards,

Tom Kerekes
Dynomotion, Inc.

mmeyer
Posts: 3
Joined: Mon Feb 10, 2020 8:46 pm

Re: L&P 130 retrofit

Post by mmeyer » Thu Feb 13, 2020 5:09 pm

Thanks Tom,
To clarify, we have 4 DDS drives. 2 are set up as master and slave spindles. The other 2 control X and Z axis -the slave is positioned with the x and z axis. The industry term is profilator machine for polygon turning. -The hardest part is synchronizing the opposing spindles. Does the Kanalog/kmotion.exe have a built in slave feature or digital gearbox ? here is a clip of what we are trying to accomplish https://drive.google.com/open?id=1rMwz2 ... qx5P-F_6WD
YT has some videos on profilators and gear hobbing as well.
Thanks again,
Matt

User avatar
TomKerekes
Posts: 789
Joined: Mon Dec 04, 2017 1:49 am

Re: L&P 130 retrofit

Post by TomKerekes » Thu Feb 13, 2020 6:18 pm

Hi Matt,
Does the Kanalog/kmotion.exe have a built in slave feature or digital gearbox ?
I'm not sure what would be the best approach:

#1 - To Slave the axes. See here. This approach is probably simplest but assumes each axis works accurately as a servo and can follow a commanded position well.

#2 - To use a technique like single point Threading. This approach assumes the main Spindle can't be so accurately controlled and the other axes attempt to sync and follow how it is measured to be moving. G32 is supported for Single Threading.



HTH
Regards,

Tom Kerekes
Dynomotion, Inc.

Post Reply