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SINUMERIK CNC automation systems

NOSE RADIUS COMPENSATION

Thread Starter: jk4421   Started: 7/6/2012 10:07 AM   Replies: 8

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  7/6/2012, 10:07 AM
jk4421
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I am using 840D control in 5 axes horizontal boring machine with facing slide.While OD turning nose radius compensation not taken.I have to compensate only in X & Z axes for radius machining but the Y axis also compensates. Please help on the above issue.sad
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  7/7/2012, 12:00 AM
Pee El Sea
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Hi,

Have you changed the plane selection or geometry axes ?

Pee
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  7/7/2012, 9:51 AM
jk4421
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Hi BELOW IS THE PROGRAM.,.

R22=365
GEOAX(1,U,3,W)
G17
G0 G54 X=R22
Y0
Z150
G01 G90 Z15.88 F60 M4 S200
R23=(R22+25.4)
G02 X=R23 Z3.18 CR=12.7
R24=(R23+38.2)
G01 X=R24
R26=(R24+11)
G02 X=R26 Z0 CR=6.35
R10=(R26+10)
G01 X=R10
M17

IN THE ABOVE PROGRAM UNDERLINED LINE, THE Y AXIS ALSO MOVES.
I HAD ALSO ATTACHED THE DRAWING FOR THE ABOVE OPERATION.
PLEASE HELP ON THE ISSUE.

Attachment: SU2-1058 Model (1).pdf  (8 Downloads)



=== Bearbeitet von jk4421 @ 07.07.2012 09:55 [GMT ] ===


=== Bearbeitet von jk4421 @ 07.07.2012 09:53 [GMT ] ===



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  7/7/2012, 1:13 PM
Pee El Sea
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HI,


G17 will compensate in X and Y (u and y)

Your machine needs to look like a turning machine so G18 will compensate in X and Z (u and w)

Pee
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  7/13/2012, 10:42 AM
jk4421
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Hi pee,
    When i change to G18 the same problem occurs, but the Y axis moves in the previous block

R22=365
GEOAX(1,U,3,W)
G18
G0 G54 Y0 Z150
G0 G54 X=R22(HERE THE Y AXIS MOVES)
Z150
G01 G90 Z15.88 F60 M4 S200
R23=(R22+25.4)
G02 X=R23 Z3.18 CR=12.7
R24=(R23+38.2)
G01 X=R24
R26=(R24+11)
G02 X=R26 Z0 CR=6.35
R10=(R26+10)
G01 X=R10
M17


PLS HELP ON THE ISSUE
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  7/16/2012, 9:56 PM
Pee El Sea
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HI,

Is the TNRC coming on or off in the block.

Are you keeping the TNRC active through a GEOX command. I cannot see any G40/41/42 commands in the program.

If you are I would cancel the TNRC before calling GEAOX

Pee
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  7/25/2012, 6:11 AM
jk4421
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Hi,..
  Still the problem occurs when i give TNRC as like in the below program.

R22=365
GEOAX(1,U,3,W)
G18
G0 G54 Y0 Z150
G0 G54 X=R22(HERE THE Y AXIS MOVES)
Z150
G01 G42 G90 Z15.88 F60 M4 S200
R23=(R22+25.4)
G02 X=R23 Z3.18 CR=12.7
R24=(R23+38.2)
G01 X=R24
R26=(R24+11)
G02 X=R26 Z0 CR=6.35
R10=(R26+10)
G01 G40 X=R10
M17

Pls help on the above..
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  7/25/2012, 6:16 AM
jk4421
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Hi.,
   I am using SINUMERIK 840D for horizontal boring machines. While loading program from HARD DISK to NC MEMORY the below alarm display. No able to load more than 10 subprograms. This problem only occurs in 2 machines, others are ok.
   Please help on the above...

  "TOO MANY SUB PROGRAMS IN NC MEMORY"

JK..
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  7/25/2012, 6:21 AM
jk4421
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Hi.,
   I am using SINUMERIK 840D for horizontal boring machines. In work offset page only 4 settable offsets available (G54, G55, G56, G57). This problem only occurs in 2 machines, others are ok, has more settable work offsets (G54, G55, G56, G57, G508, G509, G510 & more...)


Pls tell how to enable the above...

JK
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