Mill Turn Y offset

[DavidB]

Can MC do this?

 

If I use a 50mm dia X R5.0 cutter to mill turn how can I get the tool to have a 20mm offset in the Y?

I want the centre of the insert on the centre line of the part not the centre of the spindle.

 

Now I could put a Y offset in the machine for that tool. But if I want to work from each end of the part to the centre I would need two Y offsets one + and one -.

 

Can I set the amount of Y offset in MC for Mill turning?

 

Thanks in advance

[gcode]

I used to do this all the time in V9 mill/ turn

It been years since I programmed a mill/turn that had a Y axis, but I'm sure MC can still do it.

You probably need to add a Y axis to your X4 mill/turn machine def

[gcode]

quote:

---

Can I set the amount of Y offset in MC for Mill turning

---

I just re-read your post..

All the Mastercam mill toolpaths can be used

in lathe as long as the toolplanes are correct.

[DavidB]

Machine def has Y axis.

 

The spindle centre is always on the centre line of the rotary axis (chuck)

I want the spindle centre to be Y-20mm as it cuts with the C axis rotating.

 

code:

---

 Y0. C-107.057 F531.1

C-105.938

C-104.819

C-103.7

C-102.581

C-101.462

C-100.344

C-99.225

C-98.107

C-96.989

---

I want the Y to be Y-20.

[gcode]

you should be able to set that cut to compter comp, left or right as required

[DavidB]

G-code I'm using 5-axis multi surface toolpath, on a multi tasking machine.

 

Please look at the pic below it might explain what I'm trying to do better.

See the the view from the right side see the spinlde is on the centreline of rotation as the C-axis rotates. I want the tool off the centre line. So the line perpendicular to the centre of rotation is not through the centre of spindle but 20mm offset.

 

 

[gcode]

Have you tried using an offset line instead of

comp to surface to control the tool axis?

The advanced 5x toolpaths (morph between 2 curves) could probably do this also

[DavidB]

I want the tool normal to the surafce but just offset in Y.

I dont want the toll tilted just not on Y zero.

 

Make sence?

[gcode]

try drawing a vertical line, offset 20mm from C/L

and using it to control the tool axis..

my mill/turn skills are very rusty.. maybe Ron will check in soon..

[DavidB]

Thats excactly what I tried.

Email sent

 

Cheers Dave

 

Yes hopfully Ron will chime in

 

Thanks G

[Greg Williams]

Like this?

 

[gcode]

so what's the secret ??

[DavidB]

Yes Greg like that.

Are you going to share?

[DavidB]

I found it G

 

 

[Greg Williams]

There are 2 options

 

1 - As above in the Advanced 5 axis

2 - Use lead in lead/lag for Advanced 5 axis and Mastercam 5 axis