·250·
Programming manual
CNC 8055
CNC 8055i
11.
IRREGULAR POCKET CANNED CYCLE
·M· & ·EN· MODELS
SOFT: V02.2X
3D pockets
11.2.1 Roughing operation
This is the main operation in the machining of an irregular pocket, and its programming is optional.
It will be programmed in a block which will need to bear a label number in order to indicate to the
canned cycle the block where the roughing operation is defined.
The function for the roughing operation is G67 and it cannot be executed independently from the
G66.
Their programming formats are:
G67 A B C I R V F S T D M
[ A±5.5 ] Angle of the path with respect to the abscissa axis
It defines the angle of the machining path with respect to the abscissa axis.
If parameter "A" is not programmed, the roughing operation is carried out following concentric paths.
It will be machined as fast as possible since it does not have to go over the islands.
[ B±5.5 ] Pass depth
Defines the machining pass along the longitudinal axis (depth of the roughing pass). It must be
defined and it must have a value other than 0; otherwise, the roughing operation will be canceled.
• If programmed with a positive sign, all the roughing will be performed with the same machining
pass, and the canned cycle calculates a pass equal to or smaller than the programmed pass.
; Definition of irregular pocket canned cycle.
G66 R100 C200 F300 S400 E500
; Definition of the roughing operation.
N100 G67...
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