B29C2945/7604

TEMPERATURE CONTROL DEVICE FOR INJECTION MOLDING MACHINE
20210001529 · 2021-01-07 · ·

A detector attachment unit is provided that has at least two or more mounting hole sections for which the temperature detector is detachably attached to the outer surface of the heating cylinder and the temperature detector can be attached at different selected positions in at least the axial direction of the heating cylinder. The temperature control system includes an inner wall face temperature conversion function unit to perform conversion processing to convert the heating temperature detected by the temperature detector to the inner wall face temperature of the heating cylinder, and an inner wall face temperature display function unit to perform at least display processing on the inner wall face temperature obtained by this inner wall face temperature conversion function unit.

INJECTION MOLDING MACHINE

An injection molding machine includes: a first driving device rotating a screw provided inside a heating cylinder; a second driving device moving the screw forward and backward; a metering control section configured to, by controlling the first driving device and the second driving device, to meter resin while melting the resin, and thereafter rotate the screw in reverse to thereby reduce the pressure of the resin; a first sensor unit for detecting the pressure; a second sensor unit for detecting one or more kinds of physical quantities that affect the change of the pressure; and a prediction section predicting decompressing rotation information based on the pressure detected by the first sensor unit and the one or more kinds of physical quantities detected by the second sensor unit. The metering control section controls the first driving device based on the decompressing rotation information predicted by the prediction section.

Melt temperature measurement system

A melt temperature sensing kit includes a housing and a cup. The housing defines a cavity and has an outer periphery configured to be received by a platen of an injection molding machine. The cup has a proximate end and a distal end and is configured to be received within at least a portion of the cavity. The cup includes a base enclosing the distal end of the cup and a sidewall extending from the base, the sidewall defining a first aperture at the proximate end of the cup, a second aperture disposed between the proximate end and the distal end of the cup, and an internal volume. The first aperture, the second aperture, and the internal volume cooperate to define a flow path. At least one of the housing and the cup facilitate measurement of a shot flow temperature as part of a melt temperature measurement process.

MOLD CARRIER FOR INJECTION MOLDING
20200368954 · 2020-11-26 ·

Provided is a mold carrier. The mold carrier comprises a mold bearing chassis, a pressure bearing plate, and a tie bar. The mold bearing chassis includes a plurality of molds disposed therein. Each mold has one or more mold cavities. The pressure bearing plate is configured to physically couple to the mold bearing chassis during an injection molding process. The tie bar runs through the center of the mold bearing chassis and the pressure bearing plate. The mold bearing chassis is configured to allow components to be removed from their molds without separating the mold bearing chassis from the pressure bearing plate.

METHOD AND APPARATUS FOR REAL TIME CONTROL OF INJECTION OF STRUCTURAL FOAMING AGENTS, COLORANTS, AND OTHER ADDITIVES

An additive injection system for use in injection molding machines to inject additive materials, such as fluids or powders, downstream of a nozzle of the injection molding machine. The additive injection unit has an additive tank to store or contain additive material and additive injectors that inject an additive material into an injection molding machine. A pump pumps the additive material from the tank through a common manifold connected to the additive injectors to be injected into the injection molding machine. A controller controls operation of the additive injection device and one or more sensors coupled to the additive injection device can provide feedback to the controller.

MOULD TOOL, METHOD OF ASSEMBLING A MOULD TOOL AND METHOD OF MANUFACTURE USING A MOULD TOOL
20200361130 · 2020-11-19 · ·

A mould tool (100) is provided which has a multipart mould layer assembly (200; 300; 400; 500; 600) which may either be formed from a carrier (202; 302; 402; 502) and an insert (206; 306; 406; 506) defining a mould profile, or a mould face component (602; 702) having a plurality of stackable blocks (630, 632, 634) which can be assembled to form a mould layer.

Method for reproducing injection molded parts of quality and injection molding unit for performing the method
10836088 · 2020-11-17 · ·

A time variation of an internal pressure of the molding cavity of a multi-phase injection molding machine is detected and represented as an internal pressure graph. An internal pressure graph recorded during a production cycle that produced an injection molded part satisfying a predefined quality characteristic is used as a reference graph. If the internal pressure graph of the current production cycle exceeds a predefined threshold value, then a current machine parameter is changed so as to adapt an internal pressure graph of a subsequent production cycle to the reference graph. Each phase of the production cycle is assigned its own machine parameter determined to have a significant impact on the quality of the parts produced. The assigned machine parameters are changed in a predefined order in a plurality of production cycles wherein exactly one assigned machine parameter is changed per production cycle.

PET PROCESSING SYSTEM AND METHOD
20200353661 · 2020-11-12 ·

Disclosed are a system and method tuning PET raw material processing process by employing real time process management and machine learning steps and reactive addition of dosing of homogenizing composition for impregnating chain extenders and compatibilizing agents in thermoplastic resin using the liquid additive as a carrier into the process for modifying material performance. The properties of PET blend are no longer fixed once dry-blending and melting is complete.

Glue injection apparatus

Provided is a glue injection device, comprising: a glue melting unit (400), the glue melting unit (400) comprising a rotatable turntable (402) and a fixing member (403), wherein a feeding groove is provided on the surface of the turntable (402) facing the fixing member (403) and the turntable (402) melts the raw material in the feeding groove into glue when rotating with respect to the fixing member (403); and a glue injection unit (500) connected with the glue melting unit (400). The glue is injected into the glue injection unit (500) when the turntable (402) is rotated, and the glue injection unit (500) is capable of injecting the glue therein into a mold.

Nozzle Heater
20200316837 · 2020-10-08 ·

A heating apparatus (5) in an injection molding apparatus (1000) comprising: a heatable sleeve or jacket (10) comprised of a sheet (14) of highly heat conductive metal material, formable into a heating cylinder (14c) having a central channel (16) receiving a selected nozzle (40), a stabilization ring or cylinder (20) adapted to receive a selected longitudinal portion (DL) of the downstream or distal end (14de) of the heating cylinder (14c) and to engage or mate an inner circumferential surface (20is) with an outer surface (14os) of the heating cylinder.