A mold cooling structure according to the present disclosure includes a first refrigerant flow channel through which a first refrigerant for cooling a mold flows; and a second refrigerant flow channel through which a second refrigerant for cooling the first refrigerant flowing through the first refrigerant flow channel flows. Further, the second refrigerant flow channel extends along the first refrigerant flow channel. Furthermore, mutual heat exchange between the first refrigerant and the second refrigerant is performable.

Provided is a method for manufacturing a mold used in an injection molding device. The manufacturing method includes: a first step of shaping a stacked body as a part of the mold by discharging a shaping material to stack layers on a base plate; and a second step of manufacturing the mold including a mold base, the base plate, and the stacked body by incorporating the base plate on which the stacked body is shaped inside an opening provided in the mold base.

An enclosure and a method of making the enclosure is provided that includes mixing stainless steel, rubber, and polycarbonate to produce a material mixture that is electrically conductive. Carbon black powder and polyethylene are blended to produce an electrically resistive additive for dissipating static electricity. At least one injection mold for the enclosure is positioned in fluid communication with an exit end of a heating barrel. The weatherproof material mixture is injected into an entry end of the heating barrel to produce a melted weatherproof material mixture. The electrically resistive additive is introduced through a lateral port of the heating barrel proximate to the exit end to partially mix with the melted weatherproof material mixture to produce an injection mixture. The injection mixture into the at least one injection mold to produce the enclosure that is weatherproof, electrically conductive, and electrically resistive.

A male mould element includes a cooling circuit having first passage elements obtained in a first component of the male mould element and second passage elements obtained in a second component of the male mould element, the first passage elements and the second passage elements being distributed around a longitudinal axis of the male mould element so that there exist a plurality of angular positions of the first component relative to the second component in which the first passage elements are in fluid communication with the second passage elements.

An injection molding device (1) includes a center part (3) and a rotating device (2) for rotating the center part (3) in the injection molding device (1). The rotating device (2) includes a base (4) supported with respect to an injection molding machine. A thereto attached column (5) extends in an axial direction (z) above the base (4). A sleeve (6) coaxially surrounds the column (5) and is at least partially arranged in the center part (3). The sleeve (6) rotates with the center part (3) around the column (5). The column (5) is arranged removable with respect to the center part (3).

A problem exists of prohibitively high costs associated with molds for small run, legacy, or prototype injection molded parts. Further, the lead time on molds is currently on the order of about two weeks. A mold is provided that is formed from three-dimensional printing. The mold includes a series of air and/or water cooling channels to limit thermal stresses to the mold. Additionally, a series of coatings is added to the surface of a 3D printed mold to extend the lifetime of the mold and increase the performance of the mold. The coatings perform a function other than to define a shape of an injection cavity, such as improving thermal conductivity, providing a thermal barrier between the injection material and the mold body, or improving the detachment of the final mold product from the mold body.

An enclosure and a method of making the enclosure is provided that includes mixing stainless steel, rubber, and polycarbonate to produce a material mixture that is electrically conductive. Carbon black powder and polyethylene are blended to produce an electrically resistive additive for dissipating static electricity. At least one injection mold for the enclosure is positioned in fluid communication with an exit end of a heating barrel. The weatherproof material mixture is injected into an entry end of the heating barrel to produce a melted weatherproof material mixture. The electrically resistive additive is introduced through a lateral port of the heating barrel proximate to the exit end to partially mix with the melted weatherproof material mixture to produce an injection mixture. The injection mixture into the at least one injection mold to produce the enclosure that is weatherproof, electrically conductive, and electrically resistive.

There is provided a mold including a movable side mold, a fixed side mold and a sprue bush, the sprue bush including a flow path for a cooling fluid of the fixed side mold, wherein inlet and outlet ports of the flow path for the cooling fluid are in a direct connection with a cooling tube, respectively, the cooling tube being located along a space portion provided in the fixed side mold, and wherein the space portion is in a form of an opening provided in at least one of opposed surfaces of the fixed side mold.

A mold for injection molding includes: three or more cavity rows, each cavity row having a plurality of cavities; and a cooling flow path configured to allow a cooling medium to flow through the cooling flow path, the cooling medium cooling the cavities, the cooling flow path including: at least one supply port; a distribution conduit communicated with the supply port; a supply conduit communicated with the distribution conduit; a cavity cooling portion communicated with the supply conduit and provided to an outer periphery of the cavities; a discharge conduit communicated with the cavity cooling portion; a collecting conduit communicated with the discharge conduit; and at least one discharge port communicated with the collecting conduit, and the supply conduit and the discharge conduit are parallel to the cavity rows, and at least one supply conduit and at least one discharge conduit are provided for each cavity row.

A method for moulding an optical component by a mould, at least one moulding station, and at least one cooling station including a cooling space, the method including: a step of moulding a moulded component in a moulding station, a step of transferring this component from this moulding station into the cooling space, keeping the moulded component facing at least one of the mould parts, a step of cooling the moulded component by sending a cooling fluid between the moulded component and the walls of the cooling space, the moulded component being kept some distance from these walls.