A method is described for processing moulding parameters (P.sub.i+1) for an injection moulding machine (10) obtained by CAE.

The CAE simulation generates simulation results (A.sub.i), first machine parameters (P.sub.i) are generated by electronically processing the simulation results (A.sub.i), second machine parameters (P.sub.i+1) are obtained, different from the first ones, from the execution of another moulding process for the same object; and in an electronic database (M) accessible by a user the first and second machine parameters are saved associating them in a common collection.

The present disclosure provides a molding system for preparing an injection-molded article. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate an extension rate distribution and a shear rate distribution of the molding resin in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module. The processing module is configured to generate the extension rate distribution and the shear rate distribution of the molding resin based in part on consideration of a geometry variation of the mold cavity. The controller is configured to control the molding machine with the molding condition using the generated extension rate distribution and the generated shear rate distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

The present disclosure provides a molding system for preparing injection-molded articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate a mixed anisotropic viscosity distribution of the molding resin in the mold cavity based on a molding condition for the molding machine; and a controller coupled to the processing module. The mixed anisotropic viscosity distribution of the molding resin is generated by taking into consideration an extension rate distribution and a shear rate distribution of the molding resin. The controller is configured to control the molding machine with the molding condition using the generated extension rate distribution and the generated shear rate distribution of the molding resin to perform an actual molding process for preparing the injection-molded article.

In a method for determining at least one parameter for the description of the compression behavior of a material processed in a molding machine, at least a part of the processed material is introduced into a mold cavity via a distribution system and a gate, and the processed material solidifies in the mold cavity. A compression test is performed in which a volume storing the material is modified and a measurement of the resulting pressure modification is conducted or a pressure applied onto the material is modified and a measurement of the resulting modification of the volume is conducted. A parameter for the description of the compression behavior is calculated based on the result of the compression test by using a mathematical model. The compression test is conducted when the gate is at least substantially solidified or when the hot runner is closed.

The application belongs to the technical field of automobile plated part, and in particular relates to an automobile, an automobile plated part, an automobile plated part mold and a manufacturing method thereof. The method for manufacturing automobile plated part mold comprises the steps of: establishing a first simulation model of the automobile plated part mold based on a set shape of the substrate of the automobile plated part; using the first simulation model to simulate injection process of the substrate to obtain a first simulation substrate; performing at least one modification processing on the first simulation model, so that a second simulation model thus obtained satisfies the following requirements: using the second simulation model to simulate the injection process of the substrate to obtain a second simulation substrate conforming to the set shape; manufacturing the automobile plated mold according to the second simulation model.

The invention relates to a method for qualitatively and/or quantitatively classifying injection-molding tools in tool categories and determining preferred intervention ranges and/or manipulated variables for adapting injection-molding machine parameters in the case of changing ambient conditions and/or determining the influence of disturbing effects on the injection-molding process, comprising the following steps: a) providing an injection-molding machine having the injection-molding tool which is to be classified and which is intended for the determination, b) performing at least one injection-molding cycle with injection-molding machine settings in order to obtain a qualitatively adequate injection-molding part, c) determining a quotient Q=p/s or Q=sn/se characterizing the tool from c.1) a pressure rise p during the compression phase of the injection-molding cycle and the melt volume V displaced during the compression phase or c.2) a melt volume Vn displaced during the holding-pressure phase and the melt volume Ve displaced during the injection phase, wherein c.3) the corresponding screw travel s, sn, and se is measured in order to determine the displaced volumes V, Vn, and ; Ve, d) providing at least one limit value (G1 . . . Gx . . . Gn), wherein one or more recommendations for preferred intervention ranges or manipulated variables for adapting adjustment parameters of the injection-molding machine are associated with ranges (Q<G1; G1<Q<G2; . . . Gn-1<Q<Gn; Q>Gn) for the values of the quotient Q, e) determining in which of the ranges (Q<G1; G1<Q<G2; . . . Gn-1<Q<Gn; Q>Gn) the value of the quotient Q lies, and f) outputting the preferred intervention ranges and/or manipulated variables for adapting the machine parameters of the injection-molding machine which are associated with the determined range.

Provided are molds for polar anisotropic ring-shaped bonded magnet molded articles which enable the production of bonded magnet molded articles with a high degree of roundness and only slight distortion, without the need for mold modification and preparation of a test mold, and a method of preparing such molds. The present invention relates to a method of preparing a mold for a polar anisotropic ring-shaped bonded magnet molded article, the method including: 1) determining the shrinkage length (Tc) of a desired polar anisotropic ring-shaped bonded magnet molded article using the following equation: Tc=Tx(1/1002/100); 2) determining the radius (Dm) of a magnetic pole portion of a mold cavity using the following equation: Dm=D/(12/100); and 3) defining the outer peripheral shape of the mold cavity from the Tc, the Dm, and the number (P) of magnetic poles of the molded article.

In a method for determining at least one parameter for the description of the compression behavior of a material processed in a molding machine, at least a part of the processed material is introduced into a mold cavity via a distribution system and a gate, and the processed material solidifies in the mold cavity. A compression test is performed in which a volume storing the material is modified and a measurement of the resulting pressure modification is conducted or a pressure applied onto the material is modified and a measurement of the resulting modification of the volume is conducted. A parameter for the description of the compression behavior is calculated based on the result of the compression test by using a mathematical model. The compression test is conducted when the gate is at least substantially solidified or when the hot runner is closed.

A device, a system and a method for modeling fiber orientation distribution related to an injection molding object are provided. The device of the system obtains an aspect ratio of a non-cylindrical fiber, and inputs the aspect ratio and fiber data of the non-cylindrical fiber into an orientation distribution generation model for outputting a non-cylindrical fiber orientation distribution. The device determines whether the non-cylindrical fiber orientation distribution corresponds to a predetermined orientation distribution.

The present disclosure provides a method for operating a molding system. The molding system includes a molding machine and a mold disposed on the molding machine, wherein the mold has a mold cavity for being filled with a molding material from the molding machine. The method comprises a step of obtaining a predetermined state waveform expressing a predetermined volumetric variation of the molding material. Next, the method further comprises obtaining a measured pressure and a measured temperature of the molding material in the mold cavity while performing a molding process for filling the molding material into the mold cavity. Next, the method includes obtaining a detected volumetric property of the molding material corresponding to the measured pressure and the measured temperature. Subsequently, the method comprises displaying the detected volumetric property of the molding material with the predetermined state waveform.