LNS Express 220 S2, Инструкция по эксплуатации

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CHAPTER 7: GENERAL DESCRIPTION 55
EXPRESS 220 S2/320 S2
4.3. Replacement of the blades
The clamping blades must be replaced when worn out. To do this:
1.
Cut the main power off (
QS1
).
2. Close the air supply.
3. Unplug the air hose to empty the air circuit.
4. Once there is no air in the cylinder, the blades can be moved by hand in closed position.
5. Unscrew the 2 fastening screws
(D)
and remove the worn out clamping blades
(2x A, 2x B)
.
6. Install the new blade according to drawing below.
7. Secure them with the fastening screws
(D)
.
8. Plug the air hose again.
9. Set the air pressure to 5 bar.
10. Switch the main power on (
QS1
).
Designation Description
A Clamping plate
B Truncated clamping plate
C Platelet attachment screws
D Locating Pins
E Pneumatic cylinder clamping jaws
4.4. Material presence check
Depending on the sequence of the bar feed system
and in order to prevent damages to material, a
control system verifies that there is no material in
the collet.
Bar presence check consists of the optical cell (
A
)
located in front of the vise (
B
).
The check is carried out as follows:
·
the optical switch first determinates if the
remnant has been extracted out of the spindle.
·
the optical switch then determinates if the
remnant has been properly ejected out of the
bar feeder.
A
B
D
E
B
A
C