Hydraulic Tube Bender - Manual to CNC Conversion

Hi Folks,

after this Thread here in the forum, i am beginning a new one for my planned upgrade of my manual machine.
In the moment the machine is equipped with a very old AEG A020 control unit where 32I and 14O are needed. The actual ladder programm i already have on a linuxcnc test machine (equipped with debian 9 64bit rtpreemt), so the basic functions are here.
The hydraulic system works with 2 port valves only.
For the bending axis there is only feedback with a geared pot on the machine. I want to change this to a TTL encoder when using linuxcnc. Problem is: how can i have this axis moving using a incremental encoder and output the signal to the only on or off 2port valve? Next is that i have to switch my outputs, when the axis switches from rapid to creep movement (because the cylinder for the bending movement have a size 10 and a size 6 valve mounted parallel)
If needed i can upload files like hydraulic plans or the ladder program.

the other question is for the bending table. can anyone help me with including the bending table to my qtpyvcp panel, so i can use this like in the thread mentioned before?

thanks in advance!
Conny

Hi BigJohnT,

i will take photos an attach it here. Its a Schwarze Robitec WE 80D (good images are hard to find atm)
I think in this thread i mentioned andypugh did this in his touchy example he attached.
How the gcode is created i am not sure about it at this time. Right now i am trying to get a feeling for the qt designer to test my panel (and there also the existing ladder logic)

Are you using Qtvcp or PyQtvcp?

Chris

Hi Chris,

i am going with pyqtvcp (with the instructions from qtpyvcp.kcjengr.com)

Hi John,

yes, as you can read in my last post i am very happy to have this as a starting point.
But at the moment i still have no clue how i can attach such a bending table to work with gcode (like andy did in the other thread).

i will take some photos of my actual machine asap.
for the moment here are good big pictures of a machine a bit bigger:
unimachines.hu/tüske-bender-schwarze-wir...t870-1975-18896.html
or here you can see a WE80 (already CNC, but also Multi Radius and Triple Stack) one:
www.neve-group.com/wp-content/uploads/20...R-triple-stack-1.jpg