Abstract: For each of different resins R, a zero shear viscosity ?o of each resin R is obtained by using a conversion function expression whose parameters are a melt flow rate (MFR) and a set temperature of a heating cylinder and is registered. Also, a purge resin required amount Wu corresponding to a viscosity difference ?d between the zero shear viscosity ?of of a former resin Rf and the zero shear viscosity ?os of a succeeding resin Rs is registered.

Abstract: A molding injection pressure and a molding clamping force are determined in advance to obtain a parting opening amount, which is a predetermined gap, between a movable mold and a fixed mold of a mold during injection filling.

Abstract: Mold clamping conditions, including a predetermined mold gap, a predetermined mold clamping force, a predetermined back pressure for a movable mold, a predetermined mold closing pressure, and a predetermined mold closing pressure adjustment condition associated with the compression state of a molding material, are set beforehand. At the time of molding, an injection filling process for causing the injection device to inject and fill the molding material into a mold of a mold clamping device for which the mold clamping conditions have been set is performed, and, after completion of the injection filling process, a compression process is performed on the basis of the mold clamping conditions including the mold closing pressure adjustment condition.

Abstract: A predetermined mold gap is provided beforehand between a movable mold and a stationary mold of a mold by a mold clamping device. A mold clamping pressure is set to zero, and a predetermined back pressure is set for the movable mold. Subsequently, the injection device is caused to start injection of the molten resin into the mold for which the mold gap, the mold clamping pressure, and the back pressure have been set. When a predetermined injection end condition set beforehand is satisfied as a result of progress of an injection filling process, a filling end process of ending the injection filling process is performed.

Abstract: Provided are a basic data input unit to input basic data including molding conditions data related to molding conditions and screw data related to the form of the screw; a calculation formula data setting unit to set solid phase rate calculation formula data to calculate the solid phase rate of the molten resin in a heating cylinder based on this basic data; a calculation processing function unit having a solid phase rate calculation processing unit to use calculation processing based on the basic data and the solid phase rate calculation formula data to calculate an estimated solid phase rate of the molten resin at the measurement completion; and an output processing function unit that performs display processing to display information related to the estimated solid phase rate on a display.

Abstract: When a pulverized material resin material including a pulverized material as at least a part is plasticized and injection-molded by rotating a screw inserted in a heating tube, before use of the pulverized material, the area of a particle shape of the pulverized material in one direction is measured, a pulverized material shape index indicating the relative size of the area with respect to the depth of a screw groove is determined by computation processing, and when the size of the pulverized material shape index is equal to or greater than a preset setting value, the screw is determined to be inappropriate, and at least the result of the determination is displayed.

Abstract: The bulk densities of a virgin material and a pulverized material are previously measured, based on pulverized material bulk density data related to the bulk density of the pulverized material and virgin material bulk density data related to the bulk density of the virgin material obtained by the measurement, a conversion coefficient for a predetermined molding condition when the virgin material and the pulverized material are mixed in a predetermined ratio is determined and registered. When the pulverized material is used, at least the bulk density of the pulverized material which is used is measured, and based on the pulverized material bulk density data, the virgin material bulk density data obtained by the measurement, and the conversion coefficient, processing for modifying the molding condition is performed.

Abstract: A partial reflux injection function part 5 is provided according to which resin R at the front side of a screw head portion 4s is injected into the metal mold 2 to fill the metal mold 2 with the resin R in synchronization with the refluxing of a predetermined amount of the reflux resin Rm to be used as a part of the resin R to the screw body part 4m side at the rear side of the screw head portion 4s through the inner side of the screw head portion 4s and/or the outer periphery side of the screw head portion 4s.

Abstract: An operation setting device includes a first step of inputting an operation sequence and an operation position of the ejector by touching a desired point in a graph displayed on the setting display screen, a second step of inputting operation parameters including an operation speed, an operation position, an operation time, and an operation pattern of the ejector on the basis of the operation position thus input, and a third step of displaying in the graph and numerically displaying in a numerical value display part of the setting display screen the operation position and the operation parameters thus input. The operation position and operation parameters for each operation set in the first step to the third step are displayed in the graph and numerically displayed in the numerical value display part.

Abstract: 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.

Abstract: When an injection molding machine performs molding, the mold clamping force on the mold is adjusted on the basis of a mold displacement of the mold or the injection peak pressure and injection foremost position so that the molding is performed without causing flash and by an appropriate mold clamping force with which energy can be reduced. The amount of mold displacement and also the injection peak pressure and the injection foremost position are monitored during automatic operation. If there occurs no mold displacement change exceeding a threshold or if there occurs no injection peak pressure anomaly or injection foremost position anomaly exceeding thresholds, the automatic operation is continued. If the mold displacement change occurs or if the injection peak pressure anomaly and the injection foremost position anomaly occur, the operation of the injection molding machine is stopped.

Abstract: 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.

Abstract: A database 3 is previously set which is related to oxidation induction times Tg indicating the deteriorations of individual resins R based on the combinations of a plurality of oxidation induction conditions X including at least different types of resins R and different heating temperatures TH, when the molding condition is set, oxidation induction time derivation processing is performed such that an oxidation induction time Tg based on oxidation induction conditions X including at least the resin R which is used and the heating temperature TH which is set is determined from the database 3 and assistance processing is performed in which the determined oxidation induction time Tg is compared with a residence time Ts until the molten resin R is charged into a mold 2 that is calculated from the set molding condition and in which when the oxidation induction time Tg is shorter than the residence time Ts, the molding condition is corrected so as to shorten the residence time Ts or to prolong the oxidation inductio

Abstract: A database 3 is previously set which is related to oxidation induction times Tg indicating the deteriorations of individual resins R based on the combinations of a plurality of oxidation induction conditions X including at least different types of resins R.

Abstract: When an injection molding machine performs molding, the mold clamping force on the mold is adjusted on the basis of a mold displacement of the mold or the injection peak pressure and injection foremost position so that the molding is performed without causing flash and by an appropriate mold clamping force with which energy can be reduced. The amount of mold displacement and also the injection peak pressure and the injection foremost position are monitored during automatic operation. If there occurs no mold displacement change exceeding a threshold or if there occurs no injection peak pressure anomaly or injection foremost position anomaly exceeding thresholds, the automatic operation is continued. If the mold displacement change occurs or if the injection peak pressure anomaly and the injection foremost position anomaly occur, the operation of the injection molding machine is stopped.

Abstract: The molding support device for an injection molding machine is provided with: a temperature control unit which controls the temperature of a material supply unit which supplies a resin material to the inside of a heating cylinder; a basic data input unit which can input resin type; a Controlled temperature data table in which the optimum control temperature by the temperature control unit is set for each resin type; a data processing unit having a temperature setting processing unit which sets the control temperature of the temperature control unit as the control temperature of the temperature control unit by reading the control temperature corresponding to resin type input from the Controlled temperature data table if the resin type is input from the basic data input unit when molding conditions are set, and a molding machine controller having an output processing function unit which displays the control temperature on a display.

Abstract: A molding injection pressure and a molding clamping force are determined in advance to obtain a parting opening amount, which is a predetermined gap, between a movable mold and a fixed mold of a mold during injection filling.

Abstract: 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.

Abstract: 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.

Abstract: Provided are a basic data input unit to input basic data including molding conditions data related to molding conditions and screw data related to the form of the screw; a calculation formula data setting unit to set solid phase rate calculation formula data to calculate the solid phase rate of the molten resin in a heating cylinder based on this basic data; a calculation processing function unit having a solid phase rate calculation processing unit to use calculation processing based on the basic data and the solid phase rate calculation formula data to calculate an estimated solid phase rate of the molten resin at the measurement completion; and an output processing function unit that performs display processing to display information related to the estimated solid phase rate on a display.