A controller of an injection molding machine includes an acquisition part configured to acquire signals from a detection device that detects an operation of the injection molding machine, a reading part configured to read a file representing a past performance value which is a detection result of operations of the injection molding machine or of another injection molding machine from a storage medium in accordance with a manipulation received by an operating device, and an output part configured to output a screen including first waveform information that represents a change of the past performance value indicated in the file and second waveform information that represents a change of a performance value indicated by the signals acquired by the acquisition part.

To provide an injection molding support device that is capable of providing support in determining whether or not a condition at the time of injection filling is an appropriate value, and/or is capable of presenting an optimum condition at the time of the injection filling.

The above-described problem is solved by an injection molding support device comprising a setting unit that sets basic information such as resin material data, screw data, and heating cylinder data, and sets constraint information such as a constraint condition for obtaining an optimum condition, a computation unit that computes an estimated solid phase rate of the resin material on the basis of the basic information and the constraint information by a high-speed computation method using an optimum mathematical processing system, and a display unit that displays a decision index in accordance with a value of the estimated solid phase rate. The estimated solid phase rate is the estimated solid phase rate of the resin material at the screw tip end, and may further be displayed as a profile composed of two or more estimated solid phase rates including at least a first estimated solid phase rate of the resin material at the screw tip end and a second estimated solid phase rate of the resin material not at the screw tip end.

A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold 2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

A method of temperature control of a shaping tool or components of a shaping working machine is performed by a temperature control medium disposed in at least one temperature control branch of a temperature control system. A previously ascertained relationship between geometrical data of the at least one temperature control branch and through-flow amounts of the temperature control medium is provided, and a reference through-flow amount is set by the previously ascertained relationship for the geometrical data of the at least one temperature control branch.

A software-implemented method is described for processing results of a simulation carried out with finite element analysis software, the software being adapted to simulate a filling process of a molded piece in a mold by a molten material injected into it, wherein: results are taken from a file of simulation results, a computer Database containing technical specifications of injection molding machines is accessed and a search is performed in the Database comparing the results read from the file with technical specifications stored in the Database and associated with each press to determine whether or not one or each press of the Database is able to perform the process.

A production management system includes: an injection molding unit producing a molded product; and a control device. The injection molding unit includes: an injection molding machine molding the molded product by injection molding; a determination unit determining whether a number of the molded products to be produced is equivalent to a predetermined unit of production or not; and an operation information transmitting unit transmitting operation information of the injection molding unit when it is determined that the number of the molded products to be produced is equivalent to the predetermined unit of production. The control device includes an operation information receiving unit receiving the operation information transmitted from the operation information transmitting unit.

A molding machine is provided with a basic information setting function unit for setting basic information including resin data relating to pellet material, screw data relating to screw, and molding condition data relating to molding conditions, computation processing function unit comprising a provisional plastication time computation processing unit for calculating a provisional plastication time from the basic information, a melt film heating amount computation processing unit for calculating a heating amount of a melt film from the provisional plastication time obtained from the provisional plastication time computation processing unit, and a plastication delay time conversion processing unit for converting the heating amount of the melt film obtained from the melt film heating amount computation processing unit into a plastication delay time, and an output function unit for outputting plastication delay time or plastication information obtained based on the plastication delay time.

A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold 2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

A system for setting injection-molding conditions and a method for setting actual molding conditions of an injection-molding machine are disclosed. The system includes a computer and an injection-molding equipment. The computer is configured to simulate, via computer-aided simulation software, a virtual molding using a plurality of design parameters to generate a plurality of provisional molding conditions. The injection-molding equipment is associated with the computer and configured to perform at least one trial molding using the provisional molding conditions to obtain a plurality of intermediate molding conditions. The computer optimizes the provisional molding conditions to obtain actual molding conditions in accordance with the intermediate molding conditions.

A computer implemented method for generating a mold model for production predictive control and computer program products thereof. The method comprises receiving first parameters about molding machine sensors and second parameters about mold cavity; classifying each injection cycle of a plurality of injection cycles of a first injection molding machine considering the first and second parameters and quality or characteristics of injected given parts in the machine; processing the first and second parameters to remove undesired or irregular data values thereof; merging the first and second parameters providing a global group of processed parameters; executing a machine learning algorithm on the global group of processed parameters generating an extended mold model; and using said generated extended mold model for further monitoring and control of the mold in further injection processes in the first injection molding machine and/or for optimizing a production process of the mold in the first molding machine.