Abstract: This injection molding method uses an injection molding machine for two-material molding, which comprises a first mold part that is provided with a cavity and a second mold part that is provided with a cavity and is arranged in tandem with the first mold part. This injection molding method comprises: a first molding step wherein a material is injected into the cavity of the first mold part and the material in the cavity is compressed; and a second molding step wherein a material is injected into the cavity of the second mold part. A pressure, which is generated in the second mold part by injecting the material into the cavity in the second molding step, acts on the first mold part, and a compressive force is applied to the material in the cavity in the first molding step.

Abstract: Provided is a control device for an injection molding machine, capable of reducing the load on a user when re-displaying a previously displayed screen. The control device (20) for the injection molding machine (1) controls the display of display images on a display unit (29). This control device (20) divides the display unit (29) into a first display area (31) and a second display area (32) and, if an instruction to scroll in the vertical direction is received when a first display image (P1) is displayed in the first display area (31) and a second display image (P2) is displayed in the second display area (32), synchronously scrolls the first display image (P1) and the second display image (P2) whilst maintaining the relative positions of the first display image (P1) and the second display image (P2).

Abstract: The hydraulic source control device includes an operation input device capable of inputting operation conditions regarding the driving force of a fluid pressure control element, a servo motor including a motor section that drives a hydraulic pump and an amplifier that drives the motor section, and a controller that outputs a control command to the servo motor based on an input result to the operation input device. The controller obtains the fluid pressure of a working fluid based on the operation conditions regarding the input driving force, computes the output torque of the motor section based on the relationship between the fluid pressure and the output torque that are stored in advance, and outputs the computed output torque to the amplifier as a control command of the torque limitation value of the servo motor.

Abstract: This injection molding method uses an injection molding machine for two-material molding, which comprises a first mold part that is provided with a cavity and a second mold part that is provided with a cavity and is arranged in tandem with the first mold part. This injection molding method comprises: a first molding step wherein a material is injected into the cavity of the first mold part and the material in the cavity is compressed; and a second molding step wherein a material is injected into the cavity of the second mold part. A pressure, which is generated in the second mold part by injecting the material into the cavity in the second molding step, acts on the first mold part, and a compressive force is applied to the material in the cavity in the first molding step.

Abstract: Provided is a control device for an injection molding machine, capable of reducing the load on a user, in relation to display image selection. The control device for the injection molding machine comprises: a display unit that displays display images including information relating to molding conditions for the injection molding machine; display image selection buttons that directly summon display images and display the display images on the display unit; and a storage unit that stores a plurality of desired display image selection buttons, as customizable menu display items.

Abstract: Provided is a control device for an injection molding machine, capable of reducing the load on a user when re-displaying a previously displayed screen. The control device (20) for the injection molding machine (1) controls the display of display images on a display unit (29). This control device (20) divides the display unit (29) into a first display area (31) and a second display area (32) and, if an instruction to scroll in the vertical direction is received when a first display image (P1) is displayed in the first display area (31) and a second display image (P2) is displayed in the second display area (32), synchronously scrolls the first display image (P1) and the second display image (P2) whilst maintaining the relative positions of the first display image (P1) and the second display image (P2).

Abstract: It is an object to prevent dies from interfering with each other when the dies are closed and effectively prevent overshoot of cavity temperature while efficiently performing heating of the dies. In an injection molding machine for two-material molding including two sets of a first injecting unit and a second injecting unit that respectively plasticize different resin materials and inject and fill the resin materials, prior to performing injection molding on the first injecting unit side on a secondary side, after injection molding on the second injecting unit side on a primary side, heating of the dies is started before 180-degree rotation of a rotary die plate is completed. After the start of heating, until the 180-degree rotation of the rotary die plate is completed, i.e., die closing is performed, die temperatures are maintained within a temperature range set higher than die temperatures during the heating start and lower than die temperatures during injection.

Abstract: In an injection molding machine for two-material molding including two sets of injection units 11, 12 that plasticize different resin materials and injection-fill the materials, a mold clamping unit is a hydraulic mold clamping unit that mold-clamps three sets of die plates 2, 3, 9 simultaneously, a movable die plate opening and closing unit 14 is a movable die plate opening and closing unit driven by an electric motor, a rotational die plate opening and closing unit 15 is a rotational die plate opening and closing unit 14 driven by an electric motor, and a rotating unit for the rotational die plate 9 is a rotation driving unit driven by an electric motor attached to a reversal pedestal 7.

Abstract: It is an object to prevent dies from interfering with each other when the dies are closed and effectively prevent overshoot of cavity temperature while efficiently performing heating of the dies. In an injection molding machine for two-material molding including two sets of a first injecting unit and a second injecting unit that respectively plasticize different resin materials and inject and fill the resin materials, prior to performing injection molding on the first injecting unit side on a secondary side, after injection molding on the second injecting unit side on a primary side, heating of the dies is started before 180-degree rotation of a rotary die plate is completed. After the start of heating, until the 180-degree rotation of the rotary die plate is completed, i.e., die closing is performed, die temperatures are maintained within a temperature range set higher than die temperatures during the heating start and lower than die temperatures during injection.

Abstract: In an injection molding machine for two-material molding including two sets of injection units 11, 12 that plasticize different resin materials and injection-fill the materials, a mold clamping unit is a hydraulic mold clamping unit that mold-clamps three sets of die plates 2, 3, 9 simultaneously, a movable die plate opening and closing unit 14 is a movable die plate opening and closing unit driven by an electric motor, a rotational die plate opening and closing unit 15 is a rotational die plate opening and closing unit 14 driven by an electric motor, and a rotating unit for the rotational die plate 9 is a rotation driving unit driven by an electric motor attached to a reversal pedestal 7.