EXAMPLE :
N1 GO1 G41 X.. . Z,.. F.. . ;
N2 X.. . z.. . ;
N5 2.. . ;
N6 1.. . K.. . ;
—
Dummy block
N7 fvfxx
1
/
Three
N8 G04 U.”” ;
blocks
or more
N9 MM
N1O X“”. z.. . ;
Nll Z“. . ;
Ii
11
%0 5
‘x ~
THREE BLOCKS OR
MORE INCLUDING
NO MOVE COMMAND
Namely, specify incremental commands I and
K, which are equivalent
to N 10 block com-
mand,
in N6 for the dummy block.
Remarks:
If the purpose of the dummy block
is a circular interpolation, generate the
linear dummy block that specifies the direc-
tion of the tangent line
at the start point of
the circular command.
EXAMPLE :
N1O GO1 Z“. . F.. . ;
IN1l GO1 1(-a) K(-b) ; I
N12
kfxx ;
N13 MOO ;
I
Dummy block
N14 MM ;
rN15 G02 X... Z... 1...” K... ;I
N164. .
CENTER
-b
I and K should be signed according to the
type of the circular arc.
,M96 CIRCULAR PATH MODE)
By dummy block N 11, the linear command
block of N 10 stops at point A for the follow-
ing circular movement.
f. Switching between T + and T - in compensation
mode
This coml?ensation provides the switching
between T + and T - without canceling the
compensation by G40
or T 3P 00 command.
EXAMPLE:
IN5 GOO -T+O1O1 ; ~
Designates right-
hand side
compen-
sation facing {he
N6 G41 X.. . Z.. . ;
proceeding direction
N7 GO1 X.. . Z.. . F.. . ;
N8 x.. . ;
r: 7::::~:eft-
N9 T-O1O1 Z.. . F600 ;
N1O X.. > F.. . ; compensation
x
/ (M96 MODE)
g . Modification of tool offset volume in compen-
sation mode
It is invalid to newly specify a tool offset
number by T
code in compensation mode.
The originally specified tool offset number
remains valid until the compensation mode
is cancelled by G40 or T G3 00 command.
Nil DUMMY BLOCK
(LOQEAR LINE)
51
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