The peculiarity of the column models is that they can be positioned with a base on the ground by means of a bottom puller and serve the areas intended for the handling of the components with working radii that vary with the variation of the applied weights. The manipulators can be positioned on a self-stable base that can be trailered with forks that allows the manipulator to be moved to the various positions concerned simply by connecting to the compressed air supply points. What differentiates one machine from another are the variables that come into play for the choice of the model including the maximum capacity, the range of action and the type of tool to be suspended in order to carry out the correct gripping of the component.
OPERATION
A single-acting pneumatic cylinder, fed with compressed air, exerts a linear force on a transmission system with levers which, when linked to pins, performs an arcuate vertical movement. The force of the cylinder is managed through two suitably prepared pneumatic circuits: the first ensures that the weight of the gripping system is always balanced; the second always keeps the weight of the load balanced. The movement of the load takes place by the hand of the operator who, being directly in contact with the machine, through the ergonomic handle, limits the force used to move it.