GBC-type cranes are distinguished by the extremely smooth rotation of the arm, achieved through the use of a special cold-formed steel profile, inside which the hoist trolley runs, equipped with nylon wheels mounted on permanently lubricated ball bearings, ensuring high smoothness of movement. Arm rotation is controlled by an adjustable braking device.
Le gru a colonna devono essere ancorate al suolo con un plinto di fondazione, in alternativa si possono utilizzare per piccole portate anche viti ad espansione o tasselli chimici di dimensioni opportune; si consiglia comunque in tal caso di interpellare il nostro ufficio tecnico.
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