GSK GSK928TE, Руководство пользователя

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GSK928TE
Ⅱ
Turning CNC System User Manual
103
Z
X
W
U/2
(3)U>0,W<0,R>0
X
R W
U/2
Z
Z
X X
W R
U/2
(4)U>0,W<0,R<0
X
R W
U/
2
Z
X from B to C is negative, so U <0;
X from A to B is negative, so W <0;
X from C to B is positive, so R >0.
F ig. 19 G 94 cycle, relationshiop betw w en signs of U ,W ,R and tool path
C utting feed
R apid traverse
X from B to C is positive, so U >0;
X from A to B is negative, so W <0;
X from C to B is positive, so R >0.
X from B to C is positive, so U >0;
X from A to B is negative, so W <0;
X from C to B is negative, so R <0.
X from B to C is negative, so U <0;
X from A to B is negative, so W <0;
X from C to B is negative, so R <0.
3.1.13.4 G74 — Deep Hole Machining Cycle on End Face
Command format ： G74 X (U) Z (W) I K R E F ；
X
（
U
）
Z
（
W
）
—coordinates of hole bottom. It is the deep hole drilling cycle when X coordinate is
omitted.
I—Z cuts feed once
（
Z axis
）
K—Z executes the tool retraction once （ Z axis ）
R—pecking cycle or deep hole cycle. When R is omitted or R=0, the distance of retraction is only
K, i.e. pecking cycle. When R ≠ 0, retract to the starting point of the first drilling hole once, i.e.
deep hole drilling cycle
E—X offset value once （ diameter value ）
F—feedrate
X/2
K
I
E
A
C
B
Fig. 20 G74 deep hole machining cycle on end face
G74 deep hole machining cycle on the end process (without R or R=0):