
31. SAFETY FUNCTIONS
B–63002EN/01
NC FUNCTION
342
It is used for checking the interference between the chuck and tail stocks
and preventing the damage of machines.
Set the area of entry prohibition from the exclusive setting screen
according to the shapes of chuck and tail stocks.
When a tool enters the area of entry prohibition during cutting, the
travelling of tool is stopped and an alarm message is displayed. The tool
can be escaped from the prohibition area by moving in the opposite
direction to that on entry. The Yes/No of this function is selected by the
G22 (Stored stroke limit on). G23 (Stored stroke limit off), and signal of
machine side.
G code Tail stock barrier select
signal
Chuck barrier Tail stock barrier
G22 0 Yes Yes
G22 1 Yes No
G23 Irrelevant No No
The shape of chuck or tail stock is defined on the setting screen.
L1
W1
L
W
CX
CZ
X
Z
Outer diameter
L1
W1
L
W
CX
CZ
X
Z
Inner diameter
: Workpiece coordinate system origin
Symbol
Description
L Length of chucking claw
W Size of chucking (radius input)
L1 Holding length of chucking claw
W1 Holding difference of chucking claw (radius input)
CX Position of chuck (X axis)
CZ Position of chuck (Z axis)
31.2.8
Chuck/Tail Stock
Barrier (T series)
T series
Explanations
Dimension definition of
chuck