
B–63002EN/01
13. FUNCTIONS TO SIMPLIFY
PROGRAMMING
NC FUNCTION
165
The continuous feed plane grinding cycle is possible by the following
command.
G78 I_ (J)_ K_ X_ R_ F_ P_ L_ ;
I : Cutting depth (Cutting direction is by command coding.)
J : Cutting depth (Cutting direction is by command coding.)
K : Total cutting depth
X : Grinding range (Grinding direction is by command coding.)
F : Feed rate
P : Dwell time
L : Grindstone wear compensation number (Note 1)
Note 1) L is specified when performing continuous dressing.
Note 2) X, I, J and K commands are all incremental commands.
I
I(J)
X
P(Dwell)
(F)
P(Dwell)
(F)
X
Z
The continuous feed plane grinding cycle is made up from the following
sequence of 4 operations.
The operations from 1 up to 4 are repeated until the grindstone cutting
depth reaches the total cutting depth specified by address K.
Dwell
Grinding
Dwell
Grinding (return direction)
In case of single block, the operation from to are performed by one
cycle start.
NOTE
When J is not commanded, it is regarded as J=1.
13.14.3
Continuous Feed Plane
Grinding Cycle (G78)
Format