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  • type of driving

    ELECTRIC AND HYDRAULIC DRIVES:
    WHAT ARE THEY AND WHAT ARE THE DIFFERENCES?

    Electric drive

    The electric lift is moved by an electric traction winch that allows the upward and downward movement through some ropes that connected the car and the counterweight. This winch is placed inside the lift shaft and it is therefore not necessary to have a room specifically for it.
    This results in a significant space saving, in accordance with the legislation and with the safety of the passengers.

    ADVANTAGES

    – Lower energy consumption

    – Low operating costs

    – Quick lift system

    – Better alignment to the floor

    – Ride comfort

    – Unlimited ride

    – Lack of machine room

    – Functioning even in case of black-out

    DISAVANTAGES

    – Purchase price slightly higher but amortizable in little time thanks to the energetic saving

    Hydraulic drive

    The hydraulic lift is moved by a hydraulic power pack that transmits pressure in the oil inside a cylinder, thus extending a rod on top of which is applied a pulley. Some ropes, that are firmly attached to the bottom of the pit and to the car, are rolling over a pulley.
    Then, the descent of the lift car happens thanks to the gravity and the movement speed is monitored by handling the outflow of the oil from the cylinder.
    This type of drive requires a machine room that needs special security features, such as a minimum height of 2000 mm, a metal door that is outwardly openable, and an adequate ventilation.
    ADVANTAGES

    – Lower purchase price;

    • – Minimal design.

    DISAVANTAGES

    • – Slow lift system
    • – Ride limited to the length of the piston– High power consumption during the upward starting phase (for       the same speed and load, it consumes almost ten times more than     an electric system)

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