stopped doing correct tool length compensation

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20 May 2019 14:19 #134360 by rogerxue
I use fusion for CAM. and recently it stopped doing correct tool compensation for me. The first tool it use uses correct G54, but all subsequent ones are wrong(still use the first tool's compensation.)

but if I issue command manually:
e.g.
T20 M6
G54

it will give me correct compensation.

Please help

And the tool table like this:
=====
T1 P1 D0.250000 Z-0.906187 ;1/4 up cutting
T2 P2 D0.250000 Z-0.869986 ;1/4 compression
T3 P3 D0.250000 Z-1.302397 ;1/4 end mill
T4 P4 D0.250000 ;1/4 ball mill
T5 P5 D0.250000 ;1/4 ball mill
T6 P6 D1.000000 Z-0.990371 ;ball mill
T7 P7 D1.000000 Z-0.419859 ;Added 20171120
T8 P8 D1.000000 ;Added 20171120
T9 P9 D1.000000 Z-1.377625 ;Added 20171120
T10 P10 D1.000000 ;Added 20171120
T11 P11 D1.000000 Z-1.405381 ;chamfer
T14 P14 D0.187500 Z-0.419859 ;3/16 drill
T15 P15 D0.312500 Z+0.421849 ;5/16 drill
T20 P20 D0.125000 Z-1.365376 ;1/8 up cutting
T21 P21 D0.125000 Z-1.023063 ;1/8 drill
T50 P50 D0.250000 Z-1.300682 ;90 degree chamfer tool
T60 P60 D0.125000 Z-0.112870 ;1/8 drill
T99999 P99999 ;big tool number


gcode:
=====
%
(1001)
(T1 D=0.25 CR=0. - ZMIN=0. - FLAT END MILL)
(T20 D=0.125 CR=0. - ZMIN=0. - FLAT END MILL)
N10 G90 G94 G17 G91.1 G61
N15 G20
N20 G53 G0 Z0.
(2D POCKET1)
N25 M9
N30 T1 M6
N35 T20
N40 S17000 M3
N45 G54
N50 G0 X-2.2112 Y1.201
N55 G43 Z1.1 H1
N620 G0 Z1.1
......
N625 M5
N630 G53 Z0.
(2D CONTOUR2)
N635 M1
N640 T20 M6
N645 T1
N650 S18000 M3
N655 G54
N660 G0 X0.0138 Y-1.5459
N665 G43 Z1.1 H1
.....
N950 G53 Z0.
N955 M30
%

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20 May 2019 14:46 #134361 by tecno
N665 G43 Z1.1 H1

You need to have Hx to the tool in use.

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20 May 2019 16:05 #134369 by pl7i92
you may clear all ofsets by G92.1

And the Tooldiameter is not related to the Toolnumber
yu0 can have All the Dx Values in the Table
look here

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20 May 2019 22:10 #134404 by andypugh
G43 with no H number uses the current tool, that is fine.

Is it possible that you have confused G54 and G43?

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