JP2008126557A - Operation screen of injection molding machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operation screen of an injection molding machine excellent in usability, enabling foam molding and capable of setting an optimum compression condition also to a molded article having a variety of shapes. <P>SOLUTION: In the injection molding machine including a toggle type mold clamping device, the operation screen comprises at least an injection compression setting screen (C), enables selection of a compression mode 1 from a plurality of compression modes in combination with conditions of injection start and first stage compression start, and enables input of a compression retention time of each step and a target set value (kN) of mold clamping force in compression of the each stage or a target set value (mm) of a mold platen position respectively by an injection compression detail setting screen (D). <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  In the present invention, a movable mold plate is clamped by a toggle type mold clamping device with respect to a fixed mold plate, and a screw is driven in an axial direction into a cavity formed by the fixed mold plate and the movable mold plate to melt. The present invention relates to an operation screen of an injection molding machine for injecting resin and driving and compressing the movable mold platen in the mold clamping direction to obtain a molded product after waiting for holding pressure.

  The injection molding machine generally includes an injection unit and a mold apparatus. As is well known, the injection unit includes a cylinder barrel and a screw provided in the cylinder barrel so as to be able to be driven in the rotational direction and the axial direction. On the other hand, the mold apparatus is also well known in the art and is generally a fixed mold plate and a movable mold plate, that is, a fixed mold and a movable mold, and a toggle mold clamping device for opening and closing the movable mold with respect to the fixed mold. It is made up of. Therefore, while rotating the screw and supplying a predetermined amount of resin material to the cylinder barrel, the resin material is melted by heat generated by friction / shearing action due to rotation of the screw, heat applied from the outer periphery of the cylinder barrel, etc. And it is sent to the measuring chamber of the front-end | tip part of a cylinder barrel, and predetermined amount is stored. The molten resin weighed in this way is injected and filled into the mold cavity which is clamped by driving the screw in the axial direction, and when the movable mold is opened after cooling and solidification, molding of a predetermined shape is performed. Goods are obtained.

  By the way, a low pressure injection molding method or an injection compression molding method is known as a kind of the above injection molding method. In this injection compression molding method, as is well known in the art, the mold is clamped and injected with a relatively small clamping force, or is injected so that an unfilled portion remains. This is an increased injection molding method, and this molding method can improve the transferability of the molded product and prevent flow marks.

  An injection molding machine that can obtain an injection molded product as described above generally has an operation screen. For example, an operation screen including a monitor unit, an injection compression detail setting unit, an injection & pressure holding setting unit, and the like is provided. Accordingly, the injection compression detailed setting section is called to set the initial mold clamping force, the mold clamping force at each stage, the screw position at which compression is started, and the like. Then, a predetermined injection compression molding can be performed.

JP-A-8-164549

  In Patent Document 1, during the injection process, the mold is opened by a predetermined set value, the mold opening amount is maintained for a predetermined time, the set values such as the distance between the platens and the mold clamping force. It is described that a setting device for inputting is provided.

  As described above, the conventional operation screen is also provided with an injection compression detailed setting unit, and the initial mold clamping force and the mold clamping force at each stage can be set while looking at the operation screen. It is possible to obtain an injection molded product excellent in the above. However, since the setting of the compression operation is only the clamping force, it is difficult to cope with the thickness and thickness of the molded product, and there is a disadvantage that it is inconvenient for foam molding. On the other hand, in the invention described in Patent Document 1, since the distance between the platens can be controlled to be constant during injection in order to effectively extract the gas from the cavity, it can cope with foam molding and the like. Since control to make the force constant is not included, there is a possibility that optimal injection compression molding cannot be performed depending on the shape of the molded product.

  Therefore, the present invention can perform foam molding and the like, and can set optimum compression conditions for molded products of various shapes. The purpose is to provide a screen.

  In order to achieve the above object, in other words, in order to obtain high-quality injection-molded products even for molded products of various shapes, it is possible to set the conditions for starting injection and A stage or multiple stages of compression is possible, and for each stage of compression, the mold clamping force can be set as the target set value, or the mold platen position can be set as the target set value. A high injection molding machine can be obtained. However, in an injection molding machine with a high degree of freedom of setting as described above, since there are many setting items and the operation screen for inputting each setting becomes complicated, there is a possibility that another problem that the operability is bad and the user is confused may occur. is there.

Therefore, in order to achieve the above object, the present invention prepares the conditions from the start of injection to the first stage of compression and the behavior of the platen position in advance as a plurality of patterns and selects them as a compression mode for the user. Let In each stage of compression, the holding time for holding the compression and the target set value of the mold clamping force or the target set value of the mold platen position are selected.
Specifically, the operation screen according to the present invention includes at least an injection compression setting unit and an injection compression detailed setting unit. Alternatively, these setting units can be called up. In the injection compression setting unit, the compression mode prepared in advance is selected, and in the injection compression detailed setting unit, a holding time in each stage of compression can be input, and a mold clamping force is set in the compression in each stage. A target setting value for the mold clamping force or a target set value for the mold platen position can be input by selecting whether to set the value or the mold platen position as the target set value.

That is, in order to achieve the above-mentioned object, the invention according to claim 1 clamps a movable mold plate with respect to a fixed mold plate by a toggle type mold clamping device, and uses the fixed mold plate and the movable mold plate. The screw is driven in the axial direction into the formed cavity to inject molten resin, and the movable mold platen is driven in the mold clamping direction over one stage or two or more stages to compress and wait for holding pressure. An operation screen for obtaining a molded product, wherein the operation screen is an arbitrary compression mode from a plurality of compression modes composed of a combination of information for determining an injection start condition and a first stage compression start timing. A first input unit that selects the first input unit, a second input unit that inputs a holding time for holding the compression for each compression of each stage, and a first that uses the mold clamping force as a target set value for each compression of each stage. Control method and second control method in which the position of the platen is set as a target set value When the first control method is selected, the target setting value of the mold clamping force is input, and when the second control method is selected, the target setting value of the mold platen position is input. And a third input unit. According to a second aspect of the present invention, in the screen according to the first aspect, the information is any one of a screw arrival position, a detected injection pressure value, a platen position, a pressure holding switching position, or an external signal. The According to a third aspect of the present invention, in the screen according to the second aspect, a necessary condition is input according to the type of information, so that the fourth input unit is displayed according to the selected compression mode. Composed. In the screen according to any one of claims 1 to 3, the invention according to claim 4 includes, in the compression mode, in addition to information for determining the injection start condition and the first stage compression start timing, The condition of the mold opening operation from the start of injection to the start of compression of the first stage is also included.
According to a fifth aspect of the present invention, a movable mold plate is clamped by a toggle mold clamping device with respect to a fixed mold plate, and molten resin is injected into a cavity formed by the fixed mold plate and the movable mold plate. And an operation screen for obtaining a molded product by driving and compressing the movable platen in the clamping direction over one stage or a plurality of stages, wherein the operation screen is a monitor value relating to injection compression molding. Etc., a monitor section for switching the interlock, waveform, measurement value, etc., an injection compression setting section for setting the compression mode, an injection compression detailed setting section for setting the compression operation, and an injection And a pressure holding setting unit, and the injection compression setting unit selects any one compression mode from a plurality of compression modes including a combination of information for determining an injection start condition and a first stage compression start timing. Select and said A first control method that sets a holding time for each stage of compression by the reduction detail setting section and sets the mold clamping force as a target set value for each compression of each stage, and sets the mold platen position as the target set value When any one of the second control methods is selected, and the first control method is selected in the compression of each stage, the target set value of the mold clamping force is selected, and when the second control method is selected. It is comprised so that the target setting value of a platen position may be input, respectively.

As described above, according to the present invention, the first input unit for selecting any one compression mode from a plurality of compression modes composed of a combination of information for determining the injection start condition and the first stage compression start timing. Therefore, the conditions from the start of injection to the first stage of compression and the behavior of the platen position can be selected from a plurality of compression modes prepared in advance. Therefore, according to the present invention, the setting of the first process having a high importance in the injection compression molding can be easily set without the user performing an operation error.
Furthermore, the holding time in each stage of compression can be set by the second input unit, and the first control method and the mold in which the mold clamping force is set as a target set value for each stage of compression in the third input unit. Select one of the second control methods with the panel position as the target set value, and when the first control method is selected, enter the target set value of the mold clamping force and select the second control method When you do this, you can enter the target setting value for the platen position, so you can make fine compression molding settings.

  As described above, it is possible to set compression molding with a high degree of freedom and fineness while avoiding confusion for the user, and an effect unique to the present invention can be obtained in which a user-friendly operation screen can be provided. In addition, according to the present invention, since the first to third input portions are provided, it is possible to cope with foam molding and the like, and it is possible to mold an injection molded product excellent in transferability for molded products of various shapes. An effect is also obtained.

  Embodiments of the present invention will be described below. The injection molding machine generally includes an injection unit and a mold device as is well known. The injection unit includes a cylinder barrel and a screw provided in the cylinder barrel so as to be able to be driven in a rotational direction in the plasticizing direction and in an axial direction in the injection direction. On the other hand, the mold apparatus is generally a fixed mold attached to a fixed mold board, a movable mold attached to the movable mold board, and a toggle type for opening and closing the movable mold with respect to the fixed mold. It consists of a mold clamping device. Since such an injection molding machine itself is well known in the art, it is not shown in the figure, but is provided with a display together with a computer. Therefore, for example, when the compressed screen is called by a keyboard screen call function key (not shown), an operation screen as shown in FIG. 1 is called on the display. The operation screen according to the present embodiment includes a monitor unit A, a convenience store unit B, an injection compression setting unit C, an injection compression detail setting unit D, and an injection & pressure holding setting unit E.

  The monitor unit A mainly displays monitor values related to injection compression molding, for example, cycle time, mold platen position, crosshead position, mold platen position details, etc., and is composed of a screen as shown in FIG. Yes.

  Convenience store B consists of seven screens: an interlock screen, a waveform display screen, a measured value display screen, a motor load status display screen, a setting value history screen, an auxiliary setting screen, and a compression operation mode screen. The display screen is appropriately switched by the function keys (F1 to F7) of the keyboard. Examples of the interlock screen (B-f1) and the auxiliary setting screen (B-f6) are respectively shown in (a) and (b) of FIG. The auxiliary setting screen in FIG. 3B will be described again in paragraph 0021. An example of the compression operation mode screen (B-f7) is shown in FIG. FIG. 4A is a compression operation mode screen when the injection mode A described in detail in the next paragraph is selected. When the injection mode B is selected, a screen (not shown) appears.

  According to the present embodiment, as shown in Table 1 of FIG. 5, the compression mode is a combination of an injection mode of either A or B and an operation mode that is a one-digit number. On the other hand, 1 to 7 operation modes are provided, and for the injection mode B, 1 and 3 operation modes are provided. Injection mode A is a mode in which injection is started when the mold platen position becomes zero by mold clamping and the mold clamping force set as the initial mold clamping force is obtained, and injection mode B is set as the initial mold closed position. In this mode, injection is started when the movable platen stops at the platen position. In Table 1, for example, the combination of the injection mode A and the operation mode 1 (compression mode A-1) is that after the predetermined initial clamping force is generated, the injection is started and the first compression is performed when the screw position reaches the set position. In the start mode, the compression mode A-4 starts injection after a predetermined initial mold clamping force is generated, and when the screw position reaches the set position, the mold plate is opened to the set position and the first stage compression is started. Mode. Further, the combination of the injection mode B and the operation mode 1 (compression mode B-1) is the first stage when the injection is started after the mold platen position is stopped at the predetermined initial mold closed position and the screw position reaches the set position. The compression mode B-3 is a mode in which compression is started. After the mold platen position is stopped at a predetermined initial mold closed position, injection is started, and when the screw position reaches the holding pressure switching position, the first stage compression is started. It is.

  According to the present embodiment, as described above, there are two injection modes A and B and seven operation modes 1 to 7, but not all combinations are possible as compression modes. When B-2 and B-4 to B-7 are selected as the compression mode, the warning message is displayed in a hop-up display, assuming that the automatic condition is not satisfied, as an impossible combination. Examples thereof are shown in FIGS. 4B and 4C.

The injection compression setting unit C is a screen for setting the compression mode, and is configured to be enlarged in FIG. The injection compression setting screen C is set as follows.
(1) Compression mode (column a): The injection mode A or B of Table 1 is input in the left column, and the operation modes 1 to 7 are input numerically in the right column. If “OFF” is input in the left column of the compression mode, it means that the compression mode is not selected, and the operation screen operation in this case is out of the scope of the present invention.
(2) Injection interlocking (column b): Select whether or not to interlock the screw position from the start to the end of the first stage compression. When “OFF”, the first-stage compression is not related to the screw position, and the first-stage compression is started after the “transition time” of “1st” set by the injection compression detailed setting unit D from the start of injection, and the injection compression The first-stage compression is held for the “holding time” of “1st” set in the detail setting unit D. When “ON” is selected, the first-stage compression is linked to the screw position, the compression starts at the timing when the screw reaches the “compression start screw position”, and the screw is set to “pressure holding switching position” + “complete offset” (column c). ), The first-stage compression is finished.
(3) Completion offset (column c): A setting item required when “ON” is set in the injection interlocking (column b). Enter the final position.
(4) Position switching (d column): When the button is pressed, the input section of the injection compression detailed setting section D is switched to position selection (platen position / clamping force). (A) and (b) in FIG. 7 are alternately switched and displayed.

The injection compression detail setting unit D is a screen for setting a compression operation, and is configured as shown in FIG. (A) and (b) in FIG. 7 are alternately displayed each time the position switching button on the injection compression setting screen C is pressed. On this screen, various values are set in the columns (a) to (m) as follows. Or the function or operation | movement like (g)-(m) is performed.
(1) Initial value (kN or mm): When the injection mode is A, an initial mold clamping force which is a condition for starting injection is set in the column (a), for example, 440 kN. Further, when the injection mode is B, an initial mold closing position (template position) that is a condition for starting injection is set in the lower (b) column.
(2) Holding time (s): Set the clamping time of each stage of compression or the holding time of the platen position in the (c) column. In the example of FIG. 7 (a), the compression at the first and second stages is held for 2.00 s, and the holding time is not set at the third stage, so it is set on another screen not shown. Compression is maintained for the set cooling time.
(3) Clamping force (kN) or platen position (mm) at each stage: When compressing with the mold clamping force as the target set value, set the clamping force at each stage in the column (d) Is set as a target set value, the platen position of each stage is set in the (e) column. In the example of FIG. 7A, the second stage compression is performed using the mold platen position of 4.00 mm as the target set value, and the third stage compression is performed using the mold clamping force of 885 kN as the target set value. In this screen example, neither the mold clamping force nor the mold platen position is input for the first stage compression. However, in the compression mode A-4, the first stage compression is exceptionally the first stage open position ( Compression is performed with the platen position 2.00 mm set in the i) column as a target set value.
(4) Transition time (s): A switching time (transition time) from the previous stage to the next stage is set. For example, 0.50, 0.50, and 0.50 are set in the column (f), and the transition from the first stage to the second stage compression is 0.50 s until the first stage compression starts. , And the transition from the 2nd stage to the 3rd stage compression is 0.50 s, meaning that each is completed.
(5) Compression start position (mm) (column g): When the compression mode is A-1, A-4, or A-7, after the initial mold clamping force is generated, the mold is opened to the initial mold opening amount and then injection is started. To do. Thereafter, when the screw position reaches the set compression start position, the first-stage compression is started. When the compression mode is B-1 or B-3, injection is started when the initial mold closed position is reached, and when the screw position reaches the set compression start position, the first-stage compression is started. Other than the above compression mode, it is blank and cannot be set.
(6) Compression start pressure (MPa) (column h): When the compression mode is A-6, injection starts when the initial mold clamping force is generated, and when the injection pressure reaches the set compression start pressure, one stage Start eye compression.
(7) 1st mold open position (i column): When the compression mode is A-2, the name of “1st mold open position” is changed to “start mold board position”. When the initial mold clamping force is generated, the injection is started, the mold platen position is opened by the injection pressure, and when the set start mold platen position is reached, the first-stage compression is started. When the compression mode is A-4, the name is changed to the 1st type open position. When the initial mold clamping force is generated, injection starts, and when the screw position reaches the set compression start position (column g), the mold platen is opened to the set 1st mold open position and the first stage compression is started. . Other than the compression mode, it is blank and cannot be set.
(8) Initial transition time (s) (column j): When the compression mode is A-7, an initial mold clamping force is generated, and the mold platen position is the “initial opening amount” with the mold platen position at this time as the origin. Set the transition time until opening. Other than the compression mode, it is blank and cannot be set.
(9) Initial opening amount (mm) (k column): When the compression mode is A-7, when the initial clamping force is generated, the mold is opened to the set initial opening amount and injection is started simultaneously. When the position reaches the set compression start position (column g), the first-stage compression is started. Other than the compression mode, it is blank and cannot be set.
(10) Position selection (m column): In each stage of the compression operation, either the first control method using the mold clamping force as the target set value or the second control method using the mold platen position as the target set value You can choose. Thereby, it is possible to freely perform compression / expansion operation of the platen as necessary in compression molding.
Clamping: The compression operation is performed by the first control method using the clamping force as a target set value.
Mold opening: The compression operation is performed by the second control method in which the mold platen position is a target set value.

  According to the present embodiment, when the setting switch of the function key F8 is pressed, the injection compression detailed setting section screen D shown in (a) or (b) of FIG. As shown in FIG. 8, the position selection section is enlarged and displayed at the same time as the compression detail setting section.

The following operations can be set on the auxiliary setting screen shown in (b) of FIG. 3 other than the screen of the injection compression detailed setting unit D.
(1) Number of compression stages (a column): Enter a numerical value from 1 to 6, and set the number of compression stages.
(2) Display (column b): Displays the usage status of the sensor used in compression mode A-7 in Table 1 of FIG. Displayed in blue when normal and red when abnormal.
(3) Origin (column c): The sensor state is indicated by a blue circle. Displayed in blue when the origin adjustment of the sensor is completed normally.
(4) Origin setting (column d): When the touch key switch is pressed at the mold opening completion position, the sensor origin is set.
(5) Monitor position (mm) (e column): When A-7 is selected as the compression mode, the position detected by the gap sensor is displayed in real time.
(6) Initial position (mm) (column f): Displays the sensor detection position when the initial mold clamping force is generated (the position of the mold platen is zero).
(7) Crevice distance (mm) (g column): Displays the mold opening amount from the initial position (the amount the mold plate is opened by setting the initial mold opening amount).

Finally, an example of the injection compression operation when the compression mode is A-4 will be described with reference to FIG. That is, when the injection mode “A” and the operation mode “4” in Table 1 of FIG. 4 are selected and the initial mold clamping force is generated, the injection is started and the screw position reaches the set position. An operation example of the mode for opening and starting compression will be described. When the compression mode A-4 is selected and various values are set as described above, the monitor unit A, convenience store unit B, injection compression setting unit C, injection compression as shown in FIG. A screen on which the detailed setting part D and the injection & pressure setting part E are displayed at the same time appears. Then, it operates as shown in FIG.

In FIG. 10, the upper half of the figure is a graph displaying the mold platen position and the mold clamping force. The mold platen position corresponds to the left vertical axis and is indicated by a dotted line, and the mold clamping force corresponds to the right vertical axis. Displayed with a thick solid line. The lower half of the figure is a graph displaying the screw position, which is displayed with a relatively thin solid line, and the time axis is common to each graph on the horizontal axis.
(1) Start mold closing from the mold opening completion position (a).
(2) The mold is clamped until the initial mold closing force of 440 kN is obtained, and the mold clamping is stopped. (Initial mold clamping completed) (b). * 1 The mold clamping speed in the figure is a system setting.
(3) Upon completion of initial mold clamping, injection is started (c).
(4) As soon as the screw position reaches the compression start position of 40.00 mm, the platen position starts to open (d).
(5) Open the mold until the mold platen position reaches the 1st mold open position of 2.00 mm (e). The transition time at this time is 0.5 sec set as the first transition time.
(6) The timing at which the mold platen position reaches the 1st mold open position is set as the first stage compression start, and compression is performed with the mold platen position held for the first hold time of 2.00 sec (f).
(7) When the 1st holding time expires, the mold is opened to the 2nd mold position of 4.00 mm (g). The transition time at this time is 0.5 sec set as the 2nd transition time.
(8) When the platen reaches the 2nd platen position, the platen position is held for 2nd holding time of 2.00 sec and the second stage compression is performed (h).
(9) When the 2nd holding time expires, mold clamping is performed with the 3rd mold clamping force 885 kN as a target set value (i). The transition time at this time is 0.5 sec.
(10) For injection, the process proceeds regardless of the operation of the mold platen, and injection holding pressure and measurement are performed (j).
(11) When the cooling time to start metering expires after completion of the injection holding pressure, the mold opening operation is performed (k).
(12) At this time, when the time set by * 3 is subtracted from the cooling time, the mold loosening operation is performed (m). * 2 The mold opening speed is a system setting.
Note that, during (f) to (h), the first-stage and second-stage compression is performed using the mold platen position as a target set value, so that the mold clamping force does not become zero due to the compression. The tightening force is displayed as zero. Similarly, since the third stage compression is performed using the mold clamping force as a target set value, the mold platen position should change during that time, but in FIG. 9, it is displayed as a mold touch position (the mold platen position is zero) for convenience. is doing.

  The operation diagrams of the other modes A1 to A3, A5 to A7, B1, and B3 are not shown in the drawings because they are easily understood by those skilled in the art.

It is a front view of the display concerning this Embodiment. It is a figure which shows the monitor part screen concerning this Embodiment. It is a figure which shows the convenience store part screen concerning this Embodiment, The (a) is an interlock screen, The (b) is a figure which respectively shows an auxiliary | assistant setting screen. It is a figure which shows the convenience store part screen concerning this Embodiment, The (b)-(b) is a figure which shows a different screen, respectively. It is a table | surface which shows the kind of compression mode concerning this Embodiment. It is a figure which shows the injection compression setting part screen concerning this Embodiment. It is a figure which shows the injection compression detailed setting part screen concerning this Embodiment. It is a figure which shows the injection & holding | maintenance setting part screen concerning this Embodiment. It is a figure which shows the other screen concerning this Embodiment. It is an operation diagram of compression mode (A-4) concerning this embodiment.

Explanation of symbols

A Monitor unit B Convenience store C Injection compression setting unit D Injection compression detail setting unit E Injection & pressure holding setting unit

Claims (5)

The movable mold plate is clamped to the fixed mold plate by a toggle type mold clamping device, and the screw is driven in the axial direction into the cavity formed by the fixed mold plate and the movable mold plate to inject molten resin. And an operation screen for obtaining a molded product by waiting for pressure holding and driving and compressing the movable mold plate in the mold clamping direction over one stage or two or more stages,
The operation screen includes a first input unit for selecting any one compression mode from a plurality of compression modes composed of a combination of information for determining an injection start condition and a first stage compression start timing; A second input unit for inputting a holding time for holding the compression for each compression, a first control method for setting the mold clamping force as the target set value for each compression of each stage, and the platen position as the target set value. When the first control method is selected, a target set value of the mold clamping force is input, and when the second control method is selected, the mold platen position is selected. An operation screen for an injection molding machine, comprising: a third input unit for inputting a target set value. 2. The operation screen of an injection molding machine according to claim 1, wherein the information is any one of a screw arrival position, a detected injection pressure value, a mold platen position, a holding pressure switching position, or an external signal. In the screen according to claim 2, in order to input necessary conditions according to the type of information, a fourth input unit is displayed according to the selected compression mode. Operation screen. In the screen according to any one of claims 1 to 3, in the compression mode, in addition to information for determining an injection start condition and a first stage compression start timing, the first stage from the start of injection The operation screen of the injection molding machine that includes the conditions for the mold opening operation until the start of compression. The movable mold plate is clamped by a toggle type clamping device with respect to the fixed mold plate, the molten resin is injected into the cavity formed by the fixed mold plate and the movable mold plate, and one or more stages An operation screen for obtaining a molded product by driving and compressing the movable mold plate in a mold clamping direction over a plurality of stages,
The operation screen includes a monitor unit (A) for displaying a monitor value related to injection compression molding, a convenience store unit (B) for switching and displaying an interlock, waveform, measurement value, and the like, and an injection compression setting for setting a compression mode. A part (C), an injection compression detail setting part (D) for setting the compression operation, and an injection & pressure holding setting part (E),
The injection compression setting unit (C) selects any one compression mode from a plurality of compression modes consisting of a combination of information for determining the injection start condition and the first stage compression start timing,
A first control method for setting a holding time for each stage of compression and setting a mold clamping force as a target set value for each stage of compression by the reduction detail setting section (D) When one of the second control methods to be set values is selected, and the first control method is selected by the compression of each stage, the target setting value of the mold clamping force is set, and the second control method is set to An operation screen of an injection molding machine, wherein when selected, a target set value of a mold platen position is inputted.

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