Siemens PUMA V400/M - C-Axis Clamp;Unclamp Operation; Axis Traverse and Restrictions in C-Axis Clamp Status

36 | Part 2
5.1 C-axis clamp/unclamp operation
The clamping/unclamping operation can be done according to the following procedure.
1
[C-axis selection]
In advance, the lamp in C-axis select switch should be
ON.
2
[Automatic mode selection]
C-axis clamp command is only possible thru automatic
command with M-code. Change the mode into automatic
mode.
3
[M-code command]
M88 ;
C-axis low clamp command. The icon shown in left side
will be displayed in the second line in machine operating
screen. In this case, clamping pressure is 20kgf/cm
2
. (Only
Belt Spindle)
M89 ;
C-axis high clamp command. The icon shown in left side
will be displayed in the second line in machine operating
screen. In this case, clamping pressure is 40kgf/cm
2
.
M90 ;
C-axis unclamp command. The lamps shown in left side
will be OFF.
5.2 Axis traverse and restrictions in C-axis clamp status
Unclamp
Low clamp
High clamp
Jog feeding
C-axis feeding is
possible
C-axis feeding is
possible
C-axis feeding is
impossible
Handle feeding
C-axis feeding is
possible
C-axis feeding is
possible
C-axis feeding is
impossible
Automatic feeding
C-axis feeding is
possible
C-axis feeding is
possible
C-axis feeding is
impossible
(1) Automatic feeding is possible when C-axis is in low clamp. But in case of commanding
axis feeding at low speed which clamping pressure cannot influence on, normal axis
feeding may not be executed.
(2) In case of switching C-axis mode into spindle mode with c-axis being clamped, clamp
status will be released and changed to unclamp status without any additional command.