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：
: j# L8 N) q- T  m8 D" h: J3 U) e%
N0010 G40 G17 G49 G90 G71
( OPERATION :FACE_MILLING_AREA)
0 S% P! Y: u) O4 m! a0 ^" EN0020 G91 G28 Z0.0
N0030 G90 G53 A0.0 C0.0
$ i/ N6 T% U6 _3 X:0040 T01 M06
4 Z( ], w9 s* s4 ON0050 G00 A-90. C0.0
0 d; P4 \& e- _  {N0060 G43.4 X-41.932 Y208.559 S0 H01 M03
N0070 Z-100.
N0080 Z-195.
1 e3 V. R$ I6 H: u: gN0090 G01 Z-198. F250. M08
7 k3 w2 i# N$ y$ g. VN0100 X-31.632
N0110 X31.632
# r$ e( m# K* y5 KN0120 X41.932
N0130 Z-195.
  j' |7 l' O+ k) z& X% cN0140 G00
: }" h& g/ T7 E& G% D# \0 HN0150 Z-100.
N0160 G91 G28 Z0.0
N0170 G40 G49 G90 G71
- j- Z5 ?4 U7 h' ~( OPERATION :FACE_MILLING_AREA_COPY)
N0180 G53
N0190 G00 A90. C0.0
8 L2 n( r- x4 [$ A& G- xN0200 G43.4 X41.932 Y-208.559 S0 H01 M03
N0210 Z-195.
* Q5 z* i; |8 l. L# @N0220 G41 G01 Z-198. F250. D01
" m8 m( j) j( p$ e% D8 cN0230 X31.632
N0240 X-31.632
N0250 G40
N0260 X-41.932
N0270 Z-195.
N0280 G00
& r9 n5 i3 X8 b5 k6 I1 PN0290 Z-100.
N0300 G91 G28 Z0.0
N0310 G40 G49 G90 G71
5 F8 b4 x: O2 g! L, @! }4 RN0320 M05 M09
N0330 M30
%
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chen-15243261

有个事向您请教一下：
7 ]$ H" H/ ^5 y6 ]. S& Q. ~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