CHUCKING C-19
3-5
I.D. Chucking
This section describes the procedure used for shaping the soft jaws which are used for chucking a
workpiece by gripping it internally.
1)
Place the DOOR INTERLOCK key-switch in the
NORMAL
position.
2)
With the manual door type machine, press the
DOOR UNLOCK switch
to unlock the front
door. Then open the front door.
With the automatic door type machine, open the
front door by pressing the AUTOMATIC DOOR
OPEN switch.
3)
Press the HEAD CHANGE switch
(head 1) or
(head 2) to select the spindle to be rotated. (S
type)
4)
Mount the soft jaws to the chuck.
5)
Mount the O.D. cutting tool used to cut the soft jaws.
6)
Adjust the chucking pressure to the same pressure
as used in actual cutting.
7)
Prepare the ring for shaping the soft jaws.
a)
The ring I.D. surface accuracy must be 6S or
better.
b)
The ring must be sufficiently thick that it will
not be distorted.
Measure and record the plug I.D. with vernier
calipers or a cylinder gage.
8)
Carry out chuck clamp and unclamp operation to
close the chuck.
DOOR INTERLOCK
NORMAL
RELEASE
DOOR
UNLOCK
NOTE
1
2
1
2