后处理修改求助

xiaowenyan

FANUC五轴双转台后处理里已经设置了A轴旋转范围0-90º，但处理出来的程序仍然出现A-90º,该怎样正确设置后处理才对？请高手赐教。程序如下：
$ r) @" [! O# E2 \8 `%
N0010 G40 G17 G49 G90 G71
( OPERATION :FACE_MILLING_AREA)
N0020 G91 G28 Z0.0
  C/ b4 R  Y( H2 MN0030 G90 G53 A0.0 C0.0
:0040 T01 M06
3 D- q2 w6 K6 @' L6 fN0050 G00 A-90. C0.0
N0060 G43.4 X-41.932 Y208.559 S0 H01 M03
$ @6 L% M: L# UN0070 Z-100.
8 V4 o1 h( k6 T4 |( E# O2 RN0080 Z-195.
' I- ^( J2 e1 T9 c2 gN0090 G01 Z-198. F250. M08
N0100 X-31.632
* t1 Q2 b5 q- o1 b7 ~/ `1 CN0110 X31.632
8 {8 t! _( @4 i9 U: R* sN0120 X41.932
, ^1 R- C" K9 q. n6 s! sN0130 Z-195.
/ e2 t  l2 O4 w, Z8 q; |N0140 G00
/ W2 }% ?0 t3 |N0150 Z-100.
N0160 G91 G28 Z0.0
N0170 G40 G49 G90 G71
( OPERATION :FACE_MILLING_AREA_COPY)
N0180 G53
* Y' A  g2 A# d: ~N0190 G00 A90. C0.0
$ o) [7 @6 P; f6 n6 d( YN0200 G43.4 X41.932 Y-208.559 S0 H01 M03
N0210 Z-195.
" G, \: p! a6 m' t; ?, d$ G: |N0220 G41 G01 Z-198. F250. D01
N0230 X31.632
  C: D4 Y+ B- M1 ~2 x, J4 `4 q. ~; ^N0240 X-31.632
N0250 G40
N0260 X-41.932
N0270 Z-195.
N0280 G00
' M1 y3 V* {7 y4 o: Z( QN0290 Z-100.
- \% c6 y7 ~2 K6 A; P5 kN0300 G91 G28 Z0.0
N0310 G40 G49 G90 G71
N0320 M05 M09
N0330 M30
. ?$ r0 W$ Z9 K9 {8 W5 t%
" J0 I# O  J7 p) H1 U

chen-15243261

有个事向您请教一下：
这个G43能直接替换成G43.4的吗？在实际加工中你有试验过的吧。 在3+2的定位加工中。这个问题我一直不理解。求解。谢谢