An injection molding apparatus (10) comprising an actuator (940, 941, 942) comprised of a driver (940dr, 941dr, 942dr) receiving electrical energy or power from an electrical drive (940d, 941d, 942d), the electrical drive (940d, 941d, 942d) comprising an interface that receives and controllably distributes electrical energy or power in controllably varied amounts during the course of an injection cycle to the driver (940dr, 941dr, 942dr), the electrical drive (940d, 941d, 942d) being housed within or by an actuator housing (940h, 941h, 942h) or being mounted on or to the housing (940h, 941h, 942h), the housing (940h, 941h, 942h) and the electrical drive (940d, 941d, 942d) being mounted on, to or in close proximity to the heated manifold (40), a cooling device (940mc, 940mc1, 940mc2, 941mc, 942mc) disposed between the heated manifold (40) and the housing (940h, 941h, 942h) adapted to substantially isolate or insulate at least the electrical drive (940d, 941d, 942d) from substantial communication with heat emanating or emitted from the heated manifold (40).

A machine including a mold which delimits an overmolding cavity, for receiving a hollow portion of a bi-material part, cooling means along the overmolding cavity, a core positionable inside the hollow portion and containing heating means for bringing the core to a heating temperature higher than 150° C., and an injector injecting an overmolding material, formed by the core and the hollow portion, for forming an inner portion of the bi-material part. In order to obtain the overmolded inner portion even if the hollow portion has poor heat resistance, the cooling means maintain the overmolding cavity at a cooling temperature lower than 110° C. while the core is brought to the heating temperature, while the overmolding material has been injected by the injector into the overmolding cavity.

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 air activating and air cooling mold device utilized to process a workpiece includes a mold and an intake device. The mold has at least one gas channel disposed therein, and each of the at least one gas channel has an inlet and at least one outlet. The inlet is disposed on an outer surface of the mold. The at least one outlet is disposed on the outer surface of the mold, is spaced apart from the inlet, and communicates with the inlet. The workpiece is disposed on the mold and covers the at least one outlet. The intake device is mounted to the inlet of the at least one gas channel of the mold, such that gas is injected into the mold via the inlet and flows out of the mold via the at least one outlet.

An injection molding system (1000) comprising: an actuator (5) having a housing (20) comprised of radial (20r, 20ri, 20ro, 20roa, 20rob, 20roc, 20rod) and axial walls (20a, 20ai, 20aue, 20ade) that form an enclosed chamber (45) containing a heat conductive chamber fluid (CF), a rotor and driver driven by electrical energy and supported within the chamber by the radial and axial walls, wherein one or more of the radial and axial walls comprise a heat conductive material that has an inner surface disposed in heat conductive contact with the heat conductive fluid (CF) contained within the enclosed chamber, an actuator tube or channel (25) disposed within the one or more of the radial and axial walls, a source (260) of heat absorptive fluid (25f) sealably interconnected to the actuator tube or channel (25).

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).

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 rotor (60) driven by a drive device (174) that consumes electrical energy (187) that generates heat, a thermal conductor (500) comprised of a thermally conductive material, a clamp plate (80) being mounted in thermal communication with the thermal conductor, a conductive surface (500s) of the thermal conductor being urged into contact with the clamp plate (80) under a spring force (SF) exerted between the actuator (10) and the thermal conductor (500), the heat (197) generated by the electrical energy (187) being conducted from the actuator housing (12) to the clamp plate (80).

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).

An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.