IEMCA SIR52 MS52 P, Руководство по эксплуатации и техническому обслуживанию

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6 - USE AND OPERATION SIR 52 MS52 P/F
EN
6 - Pag. 25 / 30
6.8.3 Changing the machining diameter without the stock guide tube diameter
change - Quick procedure
DANGER - WARNING:
the following procedure has to be carried out by the responsible skilled
technician, who also owns the key of the selector switch allowing this operation
to be done.
1 When all bars in the drum are over, stop the lathe with its collet open (zero point).
2 Disable the truck feed in automatic mode.
3 Press key and press key to make the bar pusher move backwards up to the
backward limit stop (S 1011 active).
4 Give the lathe the order to make one spindle station rotate and repeat the operations until
all spindles are released from residual bars and until all bar pushers are brought to the
backward limit stop.
5 Stop the bar feeder.
6 Open the rear door.
7 Remove the coupling screws between the bell of the lathe and the bell of the bar feeder.
Release the drum locking lever pressing it downwards and manually pull the drum up to
the limit stop.
8 Extract sleeves (paragraph 5.9.).
9 Disassemble the spindle collets and reassemble the new collets adequate to the new bar
profile.
10 Assemble the sleeves with the possible reducers having the diameter adequate to the
guide stock tube.
11 Bring the drum to the working position again, pushing carefully and checking that no
obstacle occurs.
12 Lock the drum with the proper lever and close the rear door. Reassemble the coupling
screws between the bell of the lathe and the bell of the bar feeder.
13 Bring magazine control selector switch S 106 to position "0".
14 Start the bar feeder and press key
.
15 Bring selector switch to position and open the guard.
16 Hold the bar pusher with your hand, press key and remove the bar pusher.
17 Adjust the guide stock tube with the desired diameter (paragraph 5.3.).
18 Prepare the bar pusher adequate to the stock guide tube and equipped with the bar
remnant.
19 Position the bar pusher in the stock guide tube taking care to introduce the flag into the
feeding truck and press key .
20 Press key to bring the remnant into the lathe collet.
21 Close guard and bring selector switch to position .