Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

jochen91
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1 year 5 months ago - 1 year 5 months ago #327741 by jochen91

Replied by jochen91 on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

I did model up a test piece in Fusion:

The machine type selected in the PP was PUMA MX.

Warning: Spoiler!

Code:

%
O1001
G0 G18 G21 G40 G54 G80 G99

N1(TURNING)
G0 G28 U0. V0.
G53 Z0.
M90
G54
G99 G18 M34
G50 S5000
T0200
M6 T0200
T0100 (NEXT TOOL)
T0202
M8
G97 S374 M3 P11
G400 B0. J1. R3.
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X170. Y0.
G96 S200 M3 P11
Z2.5
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G28 U0. V0.
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N2(POCKET45)
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G54
G98 G19 M35
G0 G28 H0.
M89
M6 T0100
T0300 (NEXT TOOL)
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M8
G97 S5000 M3 P12
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M90
M9
G28 U0. V0.
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G369

N3(DRILLING 2D POCKET45)
G28 U0. V0.
G53 Z0.
G54
G98 G19
G0 G28 H0.
M89
M6 T0300
T0100 (NEXT TOOL)
T0303
M8
G97 S5000 M3 P12
M90
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M5 P12
M90
M9
G28 U0. V0.
G53 Z0.
G369

N4(HEX_MILLING IN XY)
G28 U0. V0.
G53 Z0.
G54
G98 G17
G0 G28 H0.
M89
M6 T0100
T0200 (NEXT TOOL)
T0101
M8
G97 S5000 M3 P12
M90
G400 B-90. J0.
M101
G0 C0.
M89
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Z5.
G1 Z1. F333.33
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(HEX_MILLING_C_AXIS)
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(HEX_MILLING_C_AXIS)
M90
G400 B0. J0.
M101
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M89
G1 X180. Y-21.2 Z-27. F12000.
G0 X160.
G1 X152. F333.33
X70.482
G2 X69.282 Y-20.6 I0. J0.6 F1000.
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Y20.
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(HEX_MILLING_C_AXIS)
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G400 B0. J0.
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G1 X180. Y-21.2 Z-27. F12000.
G0 X160.
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(HEX_MILLING_C_AXIS)
M90
G400 B0. J0.
M101
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M89
G1 X180. Y-21.2 Z-27. F12000.
G0 X160.
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Y20.
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(HEX_MILLING_C_AXIS)
M90
G400 B0. J0.
M101
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M89
G1 X180. Y-21.2 Z-27. F12000.
G0 X160.
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G1 Y-20.
Y20.
Y20.6
G2 X70.482 Y21.2 I0.6 J0.
G0 X180.

(POCKET AROUND C)
M90
M272 (Y-AXIS INTERLOCK RELEASE)
G400 B0. J0.
G0 C-3.148
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G700 D001 (ENABLE TCP)
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G49
G701 (DISABLE TCP)
M273 (Y-AXIS INTERLOCK RELEASE OFF)
M5 P12
M9

G0 G28 U0. V0.
G53 Z0.
G0 G28 H0.
M89
M34
G54

M30
%

It look like only G400/G368/G17 and G18 is used.You said that G17,G18 and G368 can be replaced with G68.3 and G53.1 which i understand, but what about G400 ? (Functionality is documented in the .pdf). I think if those GCodes changes are implemented into the PP. The Doosan PP is sorta ready for LCNC (besides various M-codes).I can't test the TCP behavior of the PP since i don't have the manufacturing extension for Fusion.

Kind regards,
Jochen

Last edit: 1 year 5 months ago by jochen91.

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Aciera
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1 year 5 months ago - 1 year 5 months ago #327744 by Aciera

Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Looks like G368/G369 can be handled by the TWP functionality.
G400 is different as it transforms the tool offset rather than the tool position.
I'm not very familiar with cnc turning so I have little idea how linuxcnc handles the tool orientation as set in 'R' and 'K' words. There is this document which also refers to tool orientation but I have really no idea if this is actually used in motion planning or only in the GUI.
linuxcnc.org/docs/html/lathe/lathe-user.html
I'd say it's certainly possible to recreate this using a python remap.
Note though that even Doosan suggest that it is more accurate to touch off the tool at the b-axis angle used in the operation.

Last edit: 1 year 5 months ago by Aciera.

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jochen91
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1 year 5 months ago #327756 by jochen91

Replied by jochen91 on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Hello,
so after some digging around i found the Doosan G Code explanation sheet. I uploaded it into my GitHub so everybody can access it. It was a pain in the **** to get it.

github.com/jochenr91/Integrex

It explains every G-code the machine accepts. Including G400 starting on Page 155 (Page 157 with example pictures).

Also interessting: The Doosan Machine exepts G68:

Three-dimensional coordinate conversion without B-axis rotating (G68.1/G69.1)
Three-dimensional coordinate conversion with B-axis rotating (G368/G369)

The question is how to implement it into the PP or replace G400 in the PP. I get the benefits of using G400. But i don't need this functionality, at least to get things running. On the long run of course it would be quite nice, cause this is one of the huge benefits of a mill turn. Since this G code works with the tool offsets automatically it should be used by the motion planner?!

But yes the touch off should be at B0.

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jochen91
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1 year 5 months ago #327840 by jochen91

Replied by jochen91 on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

I thought a little bit about it and came to the conclusion, that most of the functionality of the Millturn would be covered with the following G-codes:

G68.1/G69.1
G368/G369
G400
G490 (I think, I could do that myself by replacing the G code with a custom M code in the PP)

Do you think you could support me on more time image missing /media/kunena/emoticons/smile.png?

Kind regards,
Jochen

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Aciera
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1 year 5 months ago #327846 by Aciera

Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

I'm still working on it.
Having the tool pointing in the x direction instead of the z direction in the home position has turned out to be a bit more of a headache as Linuxcnc applies the tool offsets internally.
TCP with xyz tool offset and tool spindle orientation is done. The kinematic for Tilted work plane also works but the transformation of the work offset still needs some work.

Let me figure this out first and I'll post a new sim config so you can have a look at it. Then we can have a look at customizing the gcodes for your specific needs.

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Aciera
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1 year 5 months ago #327927 by Aciera

Replied by Aciera on topic Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine

Could you export the example part from your post here as an stl file and post it here?
forum.linuxcnc.org/10-advanced-configura...hine?start=40#327741

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Planning to Retrofit a Mazak Integrex200Y Mill-Turn Machine