OIL-HYDRAULIC PRESSES WITH TWO UPRIGHTS
OPERATION AND MAINTENANCE MANUAL
17
6.
OPERATION CONDITIONS
The "OPI" oil-hydraulic presses with two uprights are prepared for normal functioning by using the following
three separate control units:
?
Electric controls.
?
Oil-hydraulic controls.
?
Cycle cams.
6.1
ELECTRIC CONTROLS
The machines are equipped with a hanging push-button board and a control console located in the manual
loading and unloading area.
6.1.1
MACHINE SETTING CONTROLS
The hanging push-button board contains the warning lights indicating anomalous conditions, the cycle set
switches and the main emergency mushroom button.
The functions of the various buttons and switches are given below:
"AUXILIARY CIRCUITS" (51SA1) key switch: in position <1> this switches on the auxiliary circuits of the
machine.
"START AUXILIARY CIRCUITS" (51SB2) luminous white button: if pressed, this switches on the auxiliary
circuits of the machine. The light "51SB2" indicates that the auxiliary circuits supplied with 24V DC are
switched on (power supply to power relays and auxiliaries).
"STOP AUXILIARY CIRCUITS " (51SB1) red button: when pressed this stops the main pump and de-activates
the auxiliary circuits of the machine.
"START AUXILIARY MOTOR " (51SB3) luminous green button: when pressed this starts the auxiliary pump
motor.
"STOP AUXILIARY MOTOR " (51SB4) red button: when pressed this stops the rotation of the auxiliary pump
motor.
"START MAIN MOTOR " (51SB6) luminous green button: when pressed this starts the main pump motor.
"STOP MAIN MOTOR " (51SB5) red button: when pressed this stops the rotation of the main pump motor.
"FUNCTIONING MODE" (52SA3) key switch: this allows the different press functioning modes which are
adjustment cycle, single or automatic cycle to be selected. When in position <0> the slide and the cushion of
the machine cannot be activated.
"RESET" (51SA2) key switch: this allows to re-activate the operation of the press after a slide overstroke alarm
has been given.
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Страница 43: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 43 7 15 WIRING DIAGRAM...
Страница 44: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 44 7 16 OIL HYDRAULIC DIAGRAM...
Страница 45: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 45 7 17 PNEUMATIC DIAGRAM...
Страница 46: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 46 7 18 LUBRICATION SYSTEM DIAGRAM...
Страница 47: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 47 7 19 TABLE DRAWING...
Страница 48: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 48 7 20 SLIDE DRAWING...
Страница 49: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 49 7 21 KNOCKOUT DRAWING...
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