Hi Karsten!

The CNC machine has 5 axes, x y z v w, manufacturer is Pade at home in Cabiate near Milano/Italy.
The control (NC) is a TPA self-construction and equipped with Eproms from TPA, as well as the software package for operating the machine, called "CAVA1000"
Name "CAVA" is from the manufacturer, I don't know the origin auf the name.
The machine can be programmed directly by means of a teach-in hand-held device by moving the spreading tool in slow motion,
but also by means of the Cad software "CAVACAM" from TPA. Macros exist for some machining operations such as drilling, slotted holes and tenons (in 3D).
The drawings are calculated as a tool run and built into the teached-in machining program.
The machining function includes a slow motion for the teach-in, as well as an automatic mode in serial working speed.
Control motors, frequency converters etc. are from YASKAWA. The concept of the machine is particularly well suited for chair production.

The structure of the machine is still very good after 20 years.
2 motors arranged crosswise provide space for 4 tools. A tool change during machining is therefore only effected by the 5-axis movement of the tool head and is very fast for serial production. The question remains whether it is economically feasible to replace the control unit. The many existing programs also represent a high value. In this respect, you are always very dependent on the manufacturer of the machine. Lack of support from the controller and software manufacturer is a major uncertainty.
In the attachment is a photo, as well as the parameter list of the machine.
We have 2 from this machines with TPA control.

Equipping something like this with new controls and software is a big task.
What's your opinion, Karsten?

Have a good day!

(Also we have 2 other CNC machines, but with NUM control.)