Pilous 20875-0204, Instruction Manual

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13
5.4. Setting of Band Saw Head Stroke Height
The system enables the setting of the head stroke height close above the
workpiece. It is particularly important when the material is being cut in
series. It substantially reduces the cutting cycle time in comparison with
the situation when the head returns to the upper maximal position.
Setting procedure:
The head is in the lower end position. Release the arresting lever of the
band saw head stroke cam, set the required stroke on the scale (approx. 5 -
10 mm above the workpiece section) and tighten the arresting lever.
The band saw head is elevated above the lower end position. Switch
over the end stroke switch of the band saw head to position 0. Press the
Vice el. magnet EV 3
Oil level gauge
Filling opening
with filter
Band saw head
el. magnet EV1
Pressure setting for whole system.
Adjustment by unqualified persons
is prohibited
Band saw head
el. magnet EV2
Vice pressure switch T.S.
Vice pressure indicator
Pressure controller for vice
Vice el. magnet EV4
only ARG 380, 500 Plus S.A.F.
Band saw head stroke limit switch
Band saw head stroke cam
Arresting lever
Setting scale
Band saw head stroke
START button and open the control valve; the band saw head descends to
the lower end position. Release the arresting lever of the head stroke cam,
setting the required stroke on the scale (approx. 5 - 10 mm above the work-
piece section) and tighten the arresting lever.
Setting of lower end position (Only ARG 380 PLUS S.A.F., ARG 500
PLUS S.A.F.)
Descending slowly, set the band saw blade to the desired cutting width X
(see figure) and closing the control valve, lock the band saw blade.
Unscrew the setting screw gradually, until the green lamp on the control
panel goes off. Lock the setting screw position with the lock nut.
The setting of the lower end position is used in following events:
• In case of repeated cuts of small cross-sections when the cycle accelera-
tes during an earlier finishing of the cut.
• In cutting extreme diameters (between 360 and 380 mm with ARG 380
and between 450 and 500 mm with ARG 500), when the limit switch has
to be set in such a manner so as to prevent the collision of the band saw
blade with the upper part of such an extreme material.
When 1 piece or 2 pieces of pipes of extreme diameters are to be cut, it is
not necessary to set the lower limit switch. It is necessary to monitor the
cutting process of the material and to switch off both the band saw blade
and the descent via the BAND SAW BLADE STOP push-button immedi-
ately after the cut has been finished. A failure to do so would mean danger
of collision with the upper part of such an extreme material because the
band saw blade descent will not switch off automatically in the lower posi-
tion.
ATTENTION: In case of resetting the limit switch, set it to the original X
value before switching off the machine (ARG 380 = 510 mm, ARG 500 =
620 mm) and leave the band saw blade in the lower position at the mecha-
nical stop. Otherwise, there is a risk of destruction of the limit switch.
Setting screw
Lock nut
ARG 380 PLUS S.A.F