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أحسن طريقة استخراج specifications
تمرين: End of training exam 2008
A rapid part stripping installation
is equipped with two three-phase cage asynchronous motors: M1 which ensures the raising and lowering of a trolley for the parts in the pickling solution and M2 which drives the fan which dries the exited parts for rapid drying. Both motors have direct start.
The M1 motor starts in the descent direction under control on a push button 《S1》 and stops automatically after 30s. M1 remains stopped for 3 min (the stripping time) and starts in the opposite direction to put the truck back in its original condition. initial position. It stops under the action of a position sensor (limit switch).
In this position, an operator starts motor M2 (one direction of travel) by pressing a push button 《S2》. M2 stops automatically after 1min.
The installation can be stopped at any time using a push button 《S0》.
Each motor is protected by a thermal relay. The triggering of one of the relays causes the shutdown of the entire installation.
Establish for this installation:
1) the control circuit diagram. See video
2) the power circuit diagram
Link videos.
• Démarrage Direct un se...
• Démarrage Direct deux ...
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Specifications variant 2:
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Specifications variant 4:
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أحسن طريقة استخراج specifications
The specifications
Examination end of training June 2008
Correction of Specifications
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تصحيح امتحان 2008
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