Solving screw extraction molds with AC servo motor rotational drive technology #molds

basic information

The screw removal machine consists of a fixed side mold that forms the outer shape of the cap, a core mold that forms the inner screw part on the movable side, and an AC servo motor that drives the rotation of this core. (Omitted) The AC servo motor is installed in the unit that attaches the movable side mold and drives the core mold via a sprocket and chain. The gear-type mechanism integrates a rotational drive mechanism into the mold, allowing the gears to rotate as the mold opens, thus enabling the core's rotational drive. While the uniform operation provided by the gears ensures reliable performance, it also necessitates a separate rotational drive mechanism for each mold, making the molds themselves more complex and increasing costs. On the other hand, systems that use motors benefit from the separation of the screw removal mold and the rotational drive unit. The rotational drive unit is installed as part of the molding machine's mechanism and functions, resulting in a simpler structure for the mold compared to gear-type systems. In environments where multiple types of molds are exchanged to produce a variety of caps, we believe this offers a highly flexible system.

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