A method of influencing a backpressure length and/or a screw return speed in an axially extending plasticizing cylinder of a plasticizing unit for an injection moulding machine including a plasticizing screw arranged displaceably and rotatably in a cylinder bore of the plasticizing cylinder. Metering of plastic granulate fed to the plasticizing unit is carried out in dependence on the desired backpressure length in the plasticizing unit, and the plasticizing unit is operated in underfed mode.

A method for inspecting a molded article, the method enabling non-destructive inspection of an internal condition of a molded article containing fluorine, and a method for producing a molded article including the inspection method. The method for inspecting a molded article includes a step (A1) of inspecting an internal condition of a molded article having a fluorine content of 30% by mass or more based on image data obtained by imaging the molded article by optical coherence tomography.

The invention relates to a method and system wherein an analysis system (6) measures derivative process parameters (7) from the derivative physical production process, wherein the precursor charge (3) is produced at a precursor production facility (8) at least 50 km distant from the physical production facility (2) through a precursor production process based on applied precursor production settings (9), wherein the precursor charge (3) is transported to the physical production facility (2), wherein the analysis system (6) measures precursor process parameters (11) from the precursor production process and precursor product parameters (12) from the precursor charge (3), wherein the analysis system (6) enters the applied derivative process settings (4), the measured derivative process parameters (7), the applied precursor production settings (9), the measured precursor process parameters (11), the measured precursor product parameters (12) as input to a process model (13), which process model (13) describes a computational relationship between derivative process settings, derivative process parameters, precursor production settings, precursor process parameters and precursor product parameters, to obtain updated derivative process settings (15).

A method for producing a component, and an injection-molding device. In the method. the following steps are carried out, in particular in succession: closing an injection mold, injection molding a base body by introducing a first plastic material into a first injection-molding cavity, opening the injection mold, stamping one or more first film elements and removing the component from the mold.

A method for improving the production of a cased device (1), wherein a casing component (2) of the cased device (1) is produced, which production of the casing component (2) comprises injecting a polymer mixture (4) for creating a solid foam interior into a cavity, which cavity is formed by the casing component (2), which injecting is done by an injection apparatus (3) and which injecting is based on injection control data (5) input to the injection apparatus (3), wherein during the injection of the polymer mixture (4) into the cavity forming data (6) for describing the injection process is recorded, wherein after injecting the polymer mixture (4) into the cavity at least one image of the casing component (2) is recorded and wherein based on the forming data (6), the at least one image and the injection control data (5) a prediction model (8) for generating new injection control data (10) for inputting to the injection apparatus (3) is updated.

A plasticizing device includes a flat screw including a groove forming surface in which a groove is formed, a barrel having a facing surface and a communication hole formed in the facing surface, the communication hole allowing a plasticized material to flow out, a heating unit, a flow path through which the plasticized material flows, a nozzle communicating with the flow path, a plurality of measurement units configured to measure pressures or temperatures in the flow path, an aspiration delivery unit, including a cylinder, having a branch flow path and a plunger configured to move in the cylinder so as to aspirate the plasticized material into the branch flow path or deliver the aspirated plasticized material to the nozzle, and a control unit configured to identify a state of the plasticized material in the flow path based on measurement values of the measurement units.

A mold apparatus including a mold, a bearing structure, and a sensing module is provided. The mold has a cavity. The sensing module includes a temperature sensor and a pressure sensor. The temperature sensor has a sensing portion and an abutting portion. The sensing portion is located in the mold and corresponds to a position in the cavity, and the abutting portion is located in the bearing structure. The pressure sensor is disposed in the bearing structure and corresponds to the abutting portion. The abutting portion is adapted to abut against the pressure sensor by a pressure of the position in the cavity.

An injection molded component has a functional portion and a quality control portion. The quality control portion comprises a set of protrusions which are adapted to distort visibly in response to injection molding shrinkage, thereby to enable visual quality control inspection.

A method to design the kits and layup the reinforcement layers and core using projection system, comprising a mold having a contoured surface; a layup projection generator which: defines a plurality of mold sections; identifies the dimensions and location for a plurality of layup segments. A model-based calibration method for alignment of laser projection system is provided in which mold features are drawn digitally, incorporated into the plug(s) which form the wind turbine blade mold, and transferred into the mold. The mold also includes reflective targets which are keyed to the molded geometry wherein their position is calculated from the 3D model. This method ensures the precision level required from projection system to effectively assist with fabrication of wind turbine blades. In this method, digital location of reflectors is utilized to compensate for the mold deformations.

A resin molding has a first surface and a second surface, wherein the second surface includes a rib, and wherein the first surface includes a glossy portion and a non-glossy portion.