[Fräsling]

Hello everyone

My question:
Does anybody know if polygon milling is possible to do on a Hardinge GS 250 turning machine with Fanuc Oi-TD controller?

If yes, how?

[hapo]

with ManualGuide and powered tools

[Fräsling]

with ManualGuide and powered tools

And if I don’t have manual guide?
Can I simply program it on the machine?

[blacksheeo]

And if I don’t have manual guide?

Can’t anticipate that... not even with a ball....

Can I simply program it on the machine?

[hapo]

How well is your machine equipped?
Y-axis?
C-axis?
Powered tools?

How familiar are you with the controller and the machine?
What manual have you got- do you have any manuals to the controller and the machine?

[Fräsling]

The machine doesn’t have a Y axis but a C axis.
Powered tools: yes

I do hexagon milling on the face side but now i also want to mill a hexagon on the side of the jacket. However I can only do that with a polygon milling tool.

Could you give me a sample program?

[InTex]

The machine doesn’t have a Y axis but a C axis.
Powered tools: yes

I do hexagon milling on the face side but now i also want to mill a hexagon on the side of the jacket. However I can only do that with a polygon milling tool.

Could you give me a sample program?

If the multi-edge-profile is not too far away from the work piece zero point then you can also do it with abutting face cycle and T keyway cutter.

[hapo]

Without Y axis a proper hexagon can only be achieved in the way InTex described it.
With the Polygonal turning, a special tool is run in a spindle synchronic way. The function is an option. If you don’t have ManualGuide, then it’s very likely that this option is also not active either.


G51.2 (G251) P_Q_;
P,Q: turning relation between spindle and
Y--axis
Area defined: Number from 1-9 for
P and for Q
With a positive Q, the Y axis turns in a positive direction
With a negative Q, the Y axis turns in a negative direction


G51.2 P1 Q3 (Polygonal turning ON)

G50.2(G250);

When G50.2 is set, the synchronisation of spindle and Y axis is cancelled, and the Y axis stops.

[CNC-art]

Hello

Yes, of course if
- The machine is fitted with a C axis.
- The OPTION G112 (G12.1) is installed
- Kind regards

Daniel Alber