LNS Express 220 S2, Инструкция по эксплуатации

Страница: 59 / 119

56 CHAPTER 7: GENERAL DESCRIPTION
EXPRESS 220 S2/320 S2
5. AUTOMATIC FRONT REST
Please read the safety instructions provided at the beginning of this manual before
handling the following devices.
For working of other bar stock shapes than round, the guiding elements need to be
adapted.
5.1. Description
Located at the front of the bar feeder, the automatic front rest stabilizes the stock guiding, even when the
gap in the guiding elements is big.
A robust chassis contains 2 V-shaped guiding elements
(B)
made of plastic material.
The automatic front rest is supplied with oil during the whole automatic cycle.
At the front, the oil is collected by centrifugal effect.
An air blast
(A)
located just before the exit pushes away the resting oil.
The rest opening is actuated by an electrical motor
(C)
and controlled by the PLC.
Designation Description
- Cover (not shown)
A Air blast
B
Front rest element for round bar
Front rest element for profiled bar
C Opening/closings counting detector
D Motor
E Pinion drive
F Pinion
G Front rest reference sensor (opened position)
5.2. Setting
The automatic front rest works as follows:
·
Closed position: holding and guiding the bar stock
·
Open position: holding and guiding the pusher
The guiding elements are depending on the bar stock shape; for round bar stock, they don
’t need to be
replaced.
The closed and open positions are automatically set up by entering the pusher and bar stock diameter in
the parameters. Each time the guiding zone is opened, the front rest searches for its referencing position.
A
B
C
D
G
E
F