An injection molding machine includes: a fixed side member; and a movable side member fixed to the fixed side member, the movable side member being driven by a motor in order to perform injection molding of a molded product. The injection molding machine further includes a power feeding apparatus, one or more motors, and at least one servo amplifier. The power feeding apparatus converts a three-phase AC voltage into a DC voltage. The one or more of the motors are provided in the movable side member and drive the movable side member. The at least one servo amplifier is provided in the movable side member and drives one of the one or more of the motors by the DC voltage being supplied thereto through a DC power supply line.

A temperature control method includes: a step of obtaining, by means of PID control, a first energization rate based on a first temperature difference between an actually measured temperature and a target temperature; a step of obtaining a second energization rate based on a second temperature difference between the ambient temperature of the environment in which a heating barrel is disposed and the target temperature; a step of obtaining a corrected energization rate on the basis of the result of comparison of the first energization rate and the second energization rate; and a step of controlling the electrical power to be supplied to a heater on the basis of the corrected energization rate. The corrected energization rate is set to any of predetermined first, second, and third conditions on the basis of the comparison result.

There is disclosed a method (400) of operating a molding system (100), the method (400) executable by a controller (140) of the molding system (100). The method comprises appreciating (402) a plurality of operational parameters associated with the molding system (100); based on at least a sub-set of the plurality of operational parameters, generating (404) a machine performance index, the machine performance index being a single value representative of the at least a sub-set of the plurality of operational parameters and being instrumental in enabling an operator of the molding system (100) to appreciate an economic productivity factor associated therewith; causing (406) the machine performance index to be displayed on an interface of the controller (140).

A heating module for heating at least one film element. The heating module has two or more heating segments with in each case one or more heating elements for heating a first area of the film element assigned to the respective heating segment, wherein the heating module and/or at least one of the heating segments includes at least one sensor for measuring the state of the heating of the film element.

An injection molding temperature control device according to an aspect of the present disclosure controls output of a heater that heats a target site, based on a detection value of a temperature sensor which detects temperature of the target site of an injection molding machine that injects resin into a mold using an injection machine, the injection molding temperature control device including: a temperature control unit which controls output of the heater so as to make the detection value of the temperature sensor approach a predetermined set temperature; a supplied heat amount calculation unit which calculates a supplied heat amount to the target site based on at least one of a drive voltage, a duty ratio and an electrical current value of the heater; and an abnormality detection unit which detects abnormality in temperature control of the target site, based on the detection value of the temperature sensor, and a supplied heat amount calculated by the supplied heat amount calculation unit.

A temperature control method includes: a step of obtaining, by means of PID control, a first energization rate based on a first temperature difference between an actually measured temperature and a target temperature; a step of obtaining a second energization rate based on a second temperature difference between the ambient temperature of the environment in which a heating barrel is disposed and the target temperature; a step of obtaining a corrected energization rate on the basis of the result of comparison of the first energization rate and the second energization rate; and a step of controlling the electrical power to be supplied to a heater on the basis of the corrected energization rate. The corrected energization rate is set to any of predetermined first, second, and third conditions on the basis of the comparison result.

An injection molding machine uses a controller to effectively control its operation. The controller may determine and/or receive information regarding the machine's maximum load capacity, and may also determine a current operational load value of the machine. The controller may cause the machine to operate at any number of combinations of settings of operational parameters which result in the machine operating at or below the maximum load value by adjusting any number of machine parameters associated with the injection molding machine based on feedback sensors measuring real-time operating conditions of the machine.

A power supply device for a molding machine with an intermediate circuit, which can be connected with at least one drive of the molding machine and is suitable for supplying the at least one drive with electrical energy; a supply module connected to the intermediate circuit; an energy storage device connected to the intermediate circuit; and a closed loop control device for closed loop controlling an energy content of the energy storage device. The energy storage device can be closed loop controlled by means of the closed loop control device so that the energy content of the energy storage device does not go outside a range, in which a power input and/or a power output of the energy storage device is essentially constant.

An injection molding machine includes: a fixed side member; and a movable side member fixed to the fixed side member, the movable side member being driven by a motor in order to perform injection molding of a molded product. The injection molding machine further includes a power feeding apparatus, one or more motors, and at least one servo amplifier. The power feeding apparatus converts a three-phase AC voltage into a DC voltage. The one or more of the motors are provided in the movable side member and drive the movable side member. The at least one servo amplifier is provided in the movable side member and drives one of the one or more of the motors by the DC voltage being supplied thereto through a DC power supply line.

An injection molding machine uses a controller to effectively control its operation. The controller may determine and/or receive information regarding the machine's maximum load capacity, and may also determine a current operational load value of the machine. The controller may cause the machine to operate at any number of combinations of settings of operational parameters which result in the machine operating at or below the maximum load value by adjusting any number of machine parameters associated with the injection molding machine based on feedback sensors measuring real-time operating conditions of the machine.