An injection molding apparatus (5) comprising an electrically driven actuator (200) having a driven rotatable rotor drivably rotatably interconnected to an output shaft (12) or to an output rotation device (16, 430, 500) that is rotatably driven around an output rotation axis (12a, R3a) and a cam device or surface (600) that is eccentrically disposed or mounted off center a selected distance (ED) from the output rotation axis (12a, R3a) in an arrangement such that when the shaft (12) or rotation device (16, 430, 500) is rotatably driven, the cam member or surface (600) is eccentrically rotatably driven around the output rotation axis (12a, R3a).

A method for creating optical articles includes moving first and second mold portions relative to one another. This disclosure includes injection molds for reducing cycle times and related methods. Some molds include first and second mold portions movable relative to one another from open to closed positions in which each recess of the first mold portion cooperates with a respective recess of the second mold portion to define a chamber. Each chambers includes a first cooling body coupled to the first mold portion, a second cooling body coupled to the second mold portion, and first and second inserts removably coupled, respectively, to the first and second cooling bodies. The inserts cooperate to define a mold cavity within the chamber configured to receive a thermoplastic material. Each of the cooling bodies has an inlet, an outlet, and a fluid cavity in fluid communication with the inlet and the outlet.

Apparatus for injection molding of plastic materials having a mold including at least one plate, a hot runner distributor of the fluid plastic material, at least one injector and an electric motor for controlling opening and the closing of the injector, supported by the distributor and whose cooling is carried out by means of thermal exchange contact with the plate. Provided for the cooling of the electric motor is at least one cover made of thermally conductive material at least partly surrounding the electric motor in a slidable manner and it is maintained in thermal exchange contact with the plate by means of a magnetic or an electro-magnetic force.

Apparatus for injection molding of plastic materials comprising a mold including at least one plate, a hot runner distributor of the fluid plastic material, at least one injector and an actuator for controlling the opening and the closing of the injector, supported by the distributor and whose cooling is carried out by means of thermal exchange contact with the plate. Provided for the cooling of the jack actuator provided for is at least one cover made of thermally conductive material at least partly surrounding the actuator in an axially slidable manner and it is maintained in thermal exchange contact with the plate by means of a magnetic or an electro-magnetic force.

A molding system and a method for operation of the molding system are provided. The method includes flowing a molten polymeric material from an upstream device into an in-mold tuning chamber in a filling position where the in-mold tuning chamber is positioned at least partially within a mold cavity. The method also includes adjusting at least one of a temperature of and a pressure applied to the molten polymeric material in the in-mold tuning chamber to create a first tuned molten polymeric material and releasing the tuned molten polymeric material into the mold cavity from the in-mold tuning chamber.

The present disclosure relates to an injection mold, processes for use thereof and products therefrom. The injection mold can include: a transfer mold, which is disposed in front of the injection-molded product and forms a pattern on a front surface of the injection-molded product; and a rear surface mold, which is disposed behind the injection-molded product. A rear surface part of the rear surface mold, which faces a rear surface of the injection-molded product, includes a heat dissipating metal.

A molding system and a method for operation of the molding system are provided. The method includes flowing a molten polymeric material from an upstream device into an in-mold tuning chamber in a filling position where the in-mold tuning chamber is positioned at least partially within a mold cavity. The method also includes adjusting at least one of a temperature of and a pressure applied to the molten polymeric material in the in-mold tuning chamber to create a first tuned molten polymeric material and releasing the tuned molten polymeric material into the mold cavity from the in-mold tuning chamber.

An injection molding apparatus (5) comprising an injection molding machine (IMM), a heated manifold (60) that receives injection fluid (9) and distributes the injection fluid through a fluid distribution channel (120), a mold (70) having a cavity (80) and one or more valves (50) having a valve pin (100) the one or more valves (50) being comprised of: an electrically driven actuator (200), a controller including an algorithm that controllably limits rotation of a shaft (12) or output rotation device (16, 430, 500) during the course of an entire injection cycle to selectable angular positions that create a moment arm that extends between selected a selected minimum moment arm and a selected maximum moment arm, the selectable angular positions being between 70 degrees above and 70 degrees below an angular position that corresponds to the selected maximum moment arm.

An injection molding apparatus (5) comprising: an actuator (10) comprising a thermally conductive housing body (12) mounted in direct heat or thermally conductive contact with one or more mounts (60, 50, 803) that are in turn mounted in direct heat conductive contact or communication with the manifold (20), the cooling device (500, 800) comprising a heat transmitter comprised of an arm, member (502) or leg (800l) that is either: disposed in direct or integral thermal contact with a complementary surface (12ls) of the actuator (10) or, configured to have compressible spring joints (800s).

The disclosed embodiments include a system and method for manufacturing a lens. In one embodiment, the system includes a lens mold. According to the embodiment, the lens mold contains a part cavity and a material flow path fluidly coupled to the part cavity and a lens material inlet. The system also includes a heat transfer insert. According to the embodiment, the heat transfer insert includes an insert surface positioned adjacent to a part surface of the cavity, a sealed fluid inlet, a sealed fluid outlet, and a conformal fluid conduit that extends from the sealed fluid inlet to the sealed fluid outlet.