A method for digitally designing a support with the shape of a fibrous blank obtained by three-dimensional weaving intended to form a fibrous preform of a turbine engine blade or propeller after shaping and compaction in a mold, includes providing a set of points representative of a face of the fibrous blank, the face being intended to form the root of the blade or the propeller and a portion of an aerodynamic profile of the blade or the propeller, generating a web connecting the points of the set of points, and digitally designing the support including at least an imprint of the fibrous blank having the shape of the generated web.

Provided is a casting simulation method capable of expressing influence of different inelastic strains produced at different temperatures on strain hardenability at room temperature. The following amount of effective equivalent inelastic strain ε.sub.effective inelastic is substituted into a constitutive equation in which an amount of equivalent inelastic strain is used as a degree of work hardening:

an amount of effective equivalent inelastic strain ε.sub.effective inelastic=∫.sub.o.sup.t{h.sub.(T)/h.sub.(RT)}{(Δε.sub.inelastic/Δt)}dt

, where T denotes a temperature with inelastic strain, h.sub.(T) denotes an increment of yield strength at room temperature with respect to an amount of inelastic strain at the temperature with inelastic strain, h.sub.(RT) denotes an increment of yield strength at room temperature with respect to an amount of inelastic strain applied at room temperature, h.sub.(T)/h.sub.(RT) denotes an effective inelastic strain coefficient α(T), Δε.sub.inelastic/Δt denotes an equivalent inelastic strain rate, and t denotes a time from 0 second in analysis.

A mould for injection moulding is provided which has a mould body having a plurality of boundary surfaces, the plurality of boundary surfaces having at least one moulding surface configured to delimit a mould cavity. The mould body is made by additive manufacturing. The mould body has a functional domain portion on which the plurality of boundary surfaces and the moulding surface are formed, the functional domain portion being composed of a solid, continuous material structure covering a fraction of the mould body, and an application domain portion which is the complement of the functional domain portion in the mould body, the application domain portion being composed of a three-dimensional material lattice structure having an ordered repetition of unit cells including a periodic minimal surface. The at least one geometrical parameter of the periodic minimal surface is tuned locally to form unit cells with different densities of material.

A computer-implemented method for calculating a nominal profile for the movement of an injection actuator of a molding machine includes defining a simulation domain comprising at least one cavity of a mold installed on the molding machine. At least one simulation is performed in the simulation domain, and injection of a molding material into the at least one cavity of the mold is simulated by predefining at least one volume flow profile through an inlet face at the edge of the simulation domain and/or by predefining at least one pressure profile at the inlet face as boundary condition. A volume flow profile calculated using the simulation and/or the at least one volume flow profile is converted into a nominal profile for the movement of an injection actuator, in particular a plasticizing screw, and a compressibility of the molding material is taken into account in the conversion.

An inlet screen, arranged at the water inlet of a hydropower plant and comprises a plurality of elongated bars separated by a distance holding means, each elongated bar having in its elongation a proximal portion and a distal portion, and an upstream region and a downstream region, said regions being at an angle in relation to said proximal and distal portions, at least one of said bars defining a space extending along at least a portion of the elongation of said bar, said bar being provided. with an electric heating means. Said elongated bar has an elongated intermediate portion, said space being defined in either of the upstream region and the downstream region, said intermediate portion extending along the elongation of the bar between the upstream region and the downstream region, said electric heating means comprising at least one electric heating member.

The present invention is directed to systems and methods for automatically generating mechanical part designs and manufacturing specifications/instructions that account for geometric distortions that may occur during manufacturing or post-processing.

A casting system design method is disclosed. The casting system design method comprises the steps of: receiving an input of entities associated with the shape of a cast product; generating respective entities for the constituent elements of a casting system on the basis of the inputted shape-related entities and pre-stored knowledge-based basic design information; generating a 3D graphic shape of a casting system designed on the basis of the generated entities; and editing the design of the casting system according to editing commands inputted on a graphics user interface (GUI) on which a 2D graphic shape corresponding to the generated 3D graphic shape is displayed, and dynamically modifying and displaying the 2D graphic shape so as to correspond to the editing.

An inspection method using an automatic inspection system comprises the following: (a) a step of loading a 3D file from which the program has been selected; (b) a step of inputting into the program information on one or more selected components of the mold assembly of the 3D file loaded into the program; (c) a step of checking a setting value of the selected component according to a mode selected from a check list preset in the program; and (d) a step wherein, if the set value of the component selected in step (c) is out of the range of the value set in the selected mode, the color of the component out of the range of the set value among the selected one or more components is changed to a preset color and monitored.

A computer-based method is disclosed for identifying a parting line for molding a real-world part based on computer model of the part. The method includes receiving a computer-based representation of a modeled part and a parting direction for the mold to make a real-world version of the part. Then a computer-based processor characterizes each respective one of a plurality of faces in the computer-based representation of the modeled part as a positive draft face or a negative draft face. The method includes identifying, as at least a segment of the parting line, a boundary edge between a first one of the positive draft faces and a first one of the negative draft faces that neighbors the first one of the positive draft faces.

A casting system design method is disclosed. The casting system design method comprises the steps of: receiving an input of entities associated with the shape of a cast product; generating respective entities for the constituent elements of a casting system on the basis of the inputted shape-related entities and pre-stored knowledge-based basic design information; generating a 3Dgraphic shape of a casting system designed on the basis of the generated entities; and editing the design of the casting system according to editing commands inputted on a graphics user interface (GUI) on which a 2D graphic shape corresponding to the generated 3D graphic shape is displayed, and dynamically modifying and displaying the 2D graphic shape so as to correspond to the editing.