OIL-HYDRAULIC PRESSES WITH TWO UPRIGHTS
OPERATION AND MAINTENANCE MANUAL
27
6.9.6
BLOCK RESET FOR SLIDE AND CUSHION OVERSTROKE
In the event of the over-stroke limit switch of the slide or blank-holder being triggered, the auxiliary circuits of the
machine are de-activated; these can be restored by following procedure given below:
1.
Turn the cycle switch to "ADJUSTMENT" position.
2.
Turn the "RESET" switch to position "1".
3.
Keeping the "RESET" switch in position "1":
?
Start the main pump by pressing the “MAIN MOTOR START” green luminous push button.
?
Press the “ REAR BARRIER RESET ” button on rear up-right.
?
Press “SLIDE UPSTROKE” button located on the control console (if the alarm has been triggered
when the slide is at B.D.C.).
?
Press the “CYCLE START” buttons located on the control console (if the alarm has been triggered
when the slide is at T.D.C.).
?
Press the "CUSHION DOWNSTROKE" buttons located on the control console (if the alarm has been
triggered when the blank-holder is at T.D.C.).
CAUTION:
If the intervention of the safety limit switches is not due to incorrect manoeuvres or machine
applications different from the specified uses (e.g. minimum height of die) the cause of the
malfunction must be identified.
6.9.7
SLIDE UPSTROKE CONTROL AFTER B.D.C. STOP
When the slide stops at B.D.C. during the SINGLE cycle due to malfunctioning of the control devices, to bring
the slide to T.D.C., proceed as follows:
?
Turn the cycle switch to “ADJUSTMENT” position
?
Press the “SLIDE UPSTROKE” button situated on the control console until the slide reaches T.D.C.
If the slide stops within the space between the beginning of one braking cam and the B.D.C., to bring the slide
to T.D.C., proceed as follows:
?
Press the ”CYCLE STOP” button on the control console;
?
press the “SLIDE UPSTROKE” button on the console until the slide reaches T.D.C.
Содержание I003203
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Страница 48: ...OIL HYDRAULIC PRESSES WITH TWO UPRIGHTS OPERATION AND MAINTENANCE MANUAL 48 7 20 SLIDE DRAWING...
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