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WO2024075659A1 - Dispositif et procédé d'aide au fonctionnement d'une machine-outil - Google Patents

Dispositif et procédé d'aide au fonctionnement d'une machine-outil Download PDF

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Publication number
WO2024075659A1
WO2024075659A1 PCT/JP2023/035754 JP2023035754W WO2024075659A1 WO 2024075659 A1 WO2024075659 A1 WO 2024075659A1 JP 2023035754 W JP2023035754 W JP 2023035754W WO 2024075659 A1 WO2024075659 A1 WO 2024075659A1
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WIPO (PCT)
Prior art keywords
information
machine tool
worker
unit
support information
Prior art date
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Ceased
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PCT/JP2023/035754
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English (en)
Japanese (ja)
Inventor
秀樹 釼持
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Amada Co Ltd
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Amada Co Ltd
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Publication date
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Publication of WO2024075659A1 publication Critical patent/WO2024075659A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition

Definitions

  • This disclosure relates to a machine tool operation support device and a machine tool operation support method.
  • the time required for a worker to speak about the work he or she is doing is often longer than the time required for the button operation.
  • the time required to recognize the content of the worker's speech, identify the corresponding provided information, and output the identified provided information as audio is often longer than the time it takes for the worker to move to the display unit and visually check the provided information displayed on the display unit.
  • the machine tool operation support device includes a support information storage unit that stores support information for supporting the work of a worker who operates the machine tool, the support information being preset for each operation instruction for the machine tool to be controlled and for each work process executed by the machine tool, a speech content recognition unit that recognizes speech from the worker, a process information acquisition unit that acquires information on a work process that is currently being executed among multiple work processes executed by the machine tool, a support information acquisition unit that, when the speech content recognition unit recognizes an operation instruction for the machine tool as the speech content from the worker, acquires support information corresponding to the recognized operation instruction and the work process information acquired by the process information acquisition unit from the support information storage unit, and an operation control unit that operates the machine tool or a device used by the worker to operate the machine tool based on the support information acquired by the support information acquisition unit.
  • the machine tool operation support method includes a machine tool operation support device that stores support information for supporting the work of a worker who operates the machine tool, the support information being preset for each operation instruction for the machine tool to be controlled and for each work process executed by the machine tool, acquires information on a work process that is currently being executed among a plurality of work processes executed by the machine tool, and, upon recognizing an operation instruction for the machine tool as a speech from the worker, acquires support information corresponding to the recognized operation instruction and the acquired information on the work process from the storage, and operates the machine tool or a device used by the worker to operate the machine tool based on the acquired support information.
  • the above-mentioned machine tool operation assistance device and machine tool operation assistance method can assist an operator in easily and efficiently performing work performed on a machine tool.
  • the machine tool operation assistance device and machine tool operation assistance method of one or more embodiments can provide assistance to enable an operator to easily and efficiently perform work using a machine tool.
  • 1 is an overall view showing the configuration of a sheet metal processing system using an NC device as an operation support device for a machine tool in one or more embodiments.
  • 1 is a block diagram showing a configuration of a sheet metal processing system using an NC device as an operation support device for a machine tool according to one or more embodiments. This is a table showing an example of support information for each operation content related to bending processing work of a specified sheet metal W and for each bending process currently being performed, which is pre-stored in an NC device as an operation support device for a machine tool in one or more embodiments.
  • 2 is a flowchart showing a process executed by an NC device serving as an operation support device for a machine tool in one or more embodiments when bending a metal sheet W.
  • 10 is a flowchart showing an example of an assistance process executed by an NC device as an operation assistance device for a machine tool in one or more embodiments in bending processing of an operation example (2).
  • 11 is a flowchart showing another example of the support processing executed in bending processing of operation example (2) by the NC device as an operation support device of the machine tool in one or more embodiments.
  • Fig. 1 is an overall view showing the configuration of a sheet metal processing system 1 using an NC device as an operation support device for a machine tool according to one or more embodiments.
  • the sheet metal processing system 1 includes a press brake 10, an NC device 20, and a headset device 30 used by an operator.
  • the press brake 10 comprises an upper table 11 and a lower table 12.
  • An upper die holder 13 is attached to the upper table 11, and a lower die holder 14 is attached to the lower table 12.
  • the upper table 11 is configured to move up and down by hydraulic cylinders 15L and 15R provided on the left and right.
  • Three punches Tp consisting of punches Tp1 to Tp3, which are upper dies, are attached to the upper die holder 13, and two dies Td consisting of dies Td1 and Td2, which are lower dies, are attached to the lower die holder 14.
  • the types and numbers of punches Tp and dies Td shown in FIG. 1, and the attachment positions of punches Tp and dies Td relative to the upper die holder 13 and lower die holder 14 are merely examples.
  • a back gauge 16 is provided behind the upper table 11 and the lower table 12.
  • the back gauge 16 has abutment members 17L and 17R that move left and right along the stretch 18.
  • the abutment members 17L and 17R are also configured to move in the height direction and the front-rear direction.
  • the abutment members 17L and 17R move to a position corresponding to the die Td.
  • the worker places the back end of the metal sheet W on the die Td so that it abuts against the abutment members 17L and 17R.
  • the abutment members 17L and 17R act to determine the front-to-rear position of the metal sheet W when it is placed on the die Td.
  • An operation pendant 50 having a first display unit 51, a first touch panel 52 attached to the front side of the first display unit 51, and an operation unit 53 including multiple operation buttons is connected to the NC unit 20.
  • the first touch panel 52 also functions as an operation unit. Operation input from the first touch panel 52 or the operation unit 53 is supplied to the NC unit 20.
  • a handle operator 60 is connected to the operation pendant 50 to adjust the amount of movement of the upper table 11 and the positions of the abutment members 17L and 17R, etc.
  • the NC device 20 is also connected to a foot switch 70 having a close foot switch 71 that lowers the upper table 11 and an open foot switch 72 that raises the upper table 11.
  • the worker places the metal sheet W to be processed on the die Td, as shown in FIG. 1.
  • the worker then steps on the close foot switch 71 to lower the upper table 11, the metal sheet W is sandwiched between the punch Tp and the die Td and bent.
  • the worker steps on the open foot switch 72 the upper table 11 can be raised.
  • FIG. 2 is a block diagram showing the configuration of the sheet metal processing system 1 according to one or more embodiments. Using FIG. 2, an example of the functional configuration of the NC device 20 and the headset device 30 will be described.
  • the NC device 20 has a support information storage unit 21, a first communication unit 22, a second communication unit 23, and a first CPU 24.
  • the support information storage unit 21 stores support information for supporting the work of the worker operating the press brake 10, which is preset for each operation instruction content for the press brake 10 to be controlled and for each work process performed by the press brake 10.
  • the first communication unit 22 communicates with the headset device 30 wirelessly.
  • the second communication unit 23 communicates with the press brake 10 wiredly.
  • the first communication unit 22 and the headset device 30 may communicate wired.
  • the second communication unit 23 and the press brake 10 may communicate wirelessly.
  • the first CPU 24 includes a speech content recognition unit 241, a process information acquisition unit 242, a support information acquisition unit 243, and an operation control unit 244.
  • the speech content recognition unit 241 recognizes the contents of the speech from the worker.
  • the process information acquisition unit 242 acquires information on the work process currently being executed among the multiple work processes executed by the press brake 10.
  • the support information acquisition unit 243 acquires support information corresponding to the contents of the recognized operation instruction and the information on the work process acquired by the process information acquisition unit 242 from the support information storage unit 21.
  • the operation control unit 244 operates the press brake 10 or a device used by the worker to operate the press brake 10 based on the support information acquired by the support information acquisition unit 243.
  • the operation control unit 244 also supplies the support information acquired by the support information acquisition unit 243 to the first communication unit 22 to support the work of the worker.
  • the operation control unit 244 causes the press brake 10 to perform a predetermined operation via the second communication unit 23 based on operation information input from the first touch panel 52, the operation unit 53, the handle operation device 60, the close foot switch 71, or the open foot switch 72.
  • the process information acquisition unit 242 acquires information on the work process currently being executed from the operation control unit 244.
  • the headset device 30 is a device worn on the head by a worker to operate the press brake 10, and has a sound pickup unit 31, a speaker unit 32, and a third communication unit 33.
  • the sound pickup unit 31 picks up the voice spoken by the worker.
  • the sound pickup unit 31 is composed of a microphone.
  • the speaker unit 32 outputs voice information obtained from the NC unit 20.
  • the third communication unit 33 communicates with the NC unit 20 wirelessly or via a wired connection.
  • Example of operation (1) when an operator speaks an instruction regarding a specific operation of the press brake 10, the NC device 20 receives the corresponding instruction and supports the operator in his/her work by providing the operator with information that is useful when the operator performs work related to the corresponding operation or information on matters that the operator should take note of.
  • FIG. 3 is a table showing an example of support information for operation example (1) for each operation content related to the bending work of the metal sheet W and for each bending process currently being performed, which is stored in advance in the support information storage unit 21.
  • the operation instruction content, the bending process currently being performed, and the sound V1 are associated with each other.
  • the information in voice V1 which is support information for the instruction to start processing in process [1] is stored as information indicating that the instruction has been accepted, "(i) Starting operation,” and additional information to be provided to the worker, "(ii) Bending the short side.”
  • the voice V1 information for the machining start instruction for process [2] is stored as "(i) Starting operation.” and "(ii) The butting position is the second stage.”
  • the voice V1 information for the machining start instruction for process [3] is stored as "(i) Starting operation.” and "(ii) Reverse follow-up bending.”
  • the voice V1 information for the machining start instruction for process [4] is stored as "(i) Starting operation.” and "(ii) The target angle is 135°.”
  • the voice V1 information for the correction instruction for process [1] is stored as "(i) Correction.” and "(ii) The target angle is 90° with a tolerance of 0.5°.”
  • the voice V1 information for the correction instruction for process [2] is stored as "(i) Correction.” and "(ii) The target dimension is 30 mm with a tolerance of 0.2 mm.”
  • FIG. 4 is a flowchart showing the process that the NC device executes when bending the metal sheet W.
  • the worker puts on the headset device 30 and speaks the words "Start processing" to start the bending process [1].
  • the sound pickup unit 31 picks up the spoken voice
  • the third communication unit 33 transmits audio information based on the voice picked up by the sound pickup unit 31 to the NC device 20.
  • the speech content recognition unit 241 of the NC device 20 acquires the voice information transmitted from the headset device 30 via the first communication unit 22 ("YES" in S1).
  • the speech content recognition unit 241 analyzes the acquired voice information and recognizes the speech content "Start processing" from the worker (S2).
  • the support information acquisition unit 243 determines whether the recognized utterance content is an instruction regarding the processing work of the metal sheet W (S3). If the recognized utterance content corresponds to any of the "operation instruction content" stored in the support information storage unit 21, the support information acquisition unit 243 determines that the utterance content is an instruction regarding the processing work of the metal sheet W.
  • the support information acquisition unit 243 determines that the recognized utterance content "Start processing” corresponds to the action instruction content "Start processing" stored in the support information storage unit 21, and that the utterance content is an instruction regarding processing work on the metal sheet W ("YES" in S3).
  • the support information acquisition unit 243 acquires the work process information "Process [1]” from the process information acquisition unit 242 as the work content currently being processed by the NC device 20 (S4).
  • the support information acquisition unit 243 acquires the information of voice V1 "(i) Starting operation” and "(ii) Bending the short side” from the support information storage unit 21 as support information corresponding to the recognized operation instruction content "Start processing” and the work process information "Process [1]” acquired from the process information acquisition unit 242.
  • the operation control unit 244 then executes the support process by transmitting the voice V1 information acquired by the support information acquisition unit 243 to the headset device 30 via the first communication unit 22 to provide it to the worker (S5).
  • the headset device 30 acquires the voice V1 information transmitted from the NC unit 20 via the third communication unit 33, and outputs the voice "Starting operation. Short side bending.” from the speaker unit 32.
  • the worker can determine which side of the rectangular metal sheet W needs to be bent without having to perform confirmation tasks such as watching a simulation video of the processing at the start of the corresponding process [1], thereby improving work efficiency.
  • the NC unit 20 recognizes the speech from the worker, "Start machining,” and acquires the information on the work process currently being processed, "Process [2],” the speaker unit 32 of the headset unit 30 outputs a voice message, "Starting operation.
  • the stop position is the second step,” based on the information sent from the NC unit 20.
  • the worker can recognize at which positions on the abutment members 17L and 17R the metal sheet W should be abutted, without having to perform confirmation tasks such as watching a simulation video of the processing at the start of the processing of the corresponding process [2], thereby improving work efficiency.
  • the NC unit 20 recognizes the speech content from the worker, "Start processing,” and acquires the information on the work process currently being processed, "Process [3],” the speaker unit 32 of the headset unit 30 outputs a voice message, "Starting operation. Reverse tracking bending,” based on the information sent from the NC unit 20.
  • the worker can recognize that the bending direction is the reverse direction, which is different from the normal direction, at the start of the corresponding process [3], and can work safely by paying attention to the support position of the metal sheet W during bending.
  • the NC unit 20 recognizes the speech content "Start machining” from the worker and acquires the information on the work process currently being processed, "Process [4]," the speaker unit 32 of the headset unit 30 outputs a voice message, "Starting operation. Target angle is 135°,” based on the information sent from the NC unit 20.
  • the worker can recognize that the bending angle is different from normal at the start of the corresponding process [4], and can work safely by paying attention to the support position of the metal sheet W during bending.
  • the speaker unit 32 of the headset unit 30 outputs a voice message "Making corrections.
  • the target angle is 90° and the intersection is 0.5°" based on the information sent from the NC unit 20.
  • the speaker unit 32 of the headset unit 30 outputs a voice message based on the information sent from the NC unit 20 saying, "Correction will be made.
  • the target dimension is 30 mm and the tolerance is 0.2 mm.”
  • Example of operation (2) when the worker speaks an instruction regarding a predetermined operation of the press brake 10, the NC device 20 accepts the corresponding instruction, identifies pre-processing information for making it easier for the worker to perform the work related to the corresponding operation as support information, and executes the identified pre-processing.
  • a dialogue process with the worker is used.
  • the support information storage unit 21 of the NC device 20 pre-stores pre-processing information related to pre-processing of a specified operation of the press brake 10, which is preset for each operation instruction content for the press brake 10 and for each work process executed by the press brake 10, as support information.
  • Figures 5 and 6 are tables showing an example of support information for operation example (2) for each operation content related to bending work of a specified metal sheet W and for each bending process currently being executed, stored in the support information storage unit 21.
  • the tables shown in Figures 5 and 6 correspond to the operation instruction content, the bending process currently being executed, the judgment result of the specified item, the execution order, the voice V2, the response content, the voice V3, and the pre-processing content to be executed.
  • the table shown in Figure 5 stores information that the target angle for the corresponding bending process is 90° and the tolerance is 0.5° as support information for the angle correction instruction for process [1].
  • the table also stores voice V2 information "It is within the tolerance. Would you like to proceed with the next process?", which is output when the measured value is within the tolerance in order to confirm the intention for the next work through dialogue with the worker, voice V3 information "Start the next process” which is output when the worker responds to the output of voice V2 with "Yes", and information on the pre-processing content to be executed, "Process switching”.
  • the table also stores voice V3 information "Stop” which is output when the worker responds to the output of voice V2 with "No", and information on the processing content to be executed, "Stop”.
  • the table stores the pre-processing content to be executed as the first process if the measured value is outside the tolerance: "Correct the bending program based on the measured value”, the voice V2 information to be output as the second process: “Corrected. Do you want to re-strike?", and the voice V3 information to be output if the operator responds to the output of voice V2 with "Yes", “Restarting to re-strike”.
  • the table stores the pre-processing content to be executed to start the press brake 10 in a state suitable for re-strike: “Temporarily move the striking part aside, change the settings to slow down the bending speed, and set it to a state where re-strike is possible”.
  • the table also stores the voice V3 information to be output if the operator responds to the output of voice V2 with "No", "Stop”, and the process content to be executed: "Stop”.
  • the table shown in Figure 6 stores information regarding the production result confirmation instruction for product P, which indicates that the planned production quantity of the relevant product P is y sheets.
  • the table stores voice V2 information "Do you want to reprocess the defective parts?", which is output when the production quantity does not reach the planned production quantity, and voice V3 information "We will reprocess the defective parts” which is output when the worker responds to the output of voice V2 by saying "Yes,” and the pre-processing content to be executed “Set the number of sheets that is short of the number of sheets to make it possible to restart.”
  • the table stores voice V3 information "Stop” which is output when the worker responds to the output of voice V2 by saying "No,” and the processing content to be executed “Stop.”
  • the table stores voice V2 information "Do you want to process the next product?", which is output when the production volume has reached the planned production volume, and voice V3 information "Prepare to process the next product,” which is output when the worker responds to the output of voice V2 with a "Yes,” as well as the pre-processing content to be executed, "Call up the processing data for the next product, replace the mold, and prepare to start.”
  • the table stores voice V3 information "Stop,” which is output when the worker responds to the output of voice V2 with a "No,” as well as the processing content to be executed, "Stop.”
  • the NC unit 20 processes the first bending process [1].
  • the worker measures the bending angle and speaks "angle correction, x°" from the headset unit 30 he is wearing along with the angle measurement value x° to correct the bending angle.
  • the sound pickup unit 31 picks up the spoken voice, and the third communication unit 33 transmits audio information based on the voice picked up by the sound pickup unit 31 to the NC unit 20.
  • the speech content recognition unit 241 of the NC device 20 acquires the voice information sent from the headset device 30 via the first communication unit 22 ("YES" in S1), analyzes the acquired voice information, and recognizes the speech content from the worker, "Angle correction, x°” (S2).
  • the support information acquisition unit 243 determines whether the recognized utterance content is an instruction regarding the processing work of the metal sheet W (S3). If the recognized utterance content corresponds to any of the "operation instruction content" stored in the support information storage unit 21, the support information acquisition unit 243 determines that the utterance content is an instruction regarding the processing work of the metal sheet W.
  • the support information acquisition unit 243 determines that the "angle correction" in the recognized utterance content corresponds to the "angle correction" operation instruction content stored in the support information storage unit 21, and that the utterance content is an instruction regarding the processing work of the metal sheet W ("YES" in S3).
  • the support information acquisition unit 243 acquires the work process information "Process [1]” from the process information acquisition unit 242 as the work content currently being processed by the NC device 20 (S4).
  • the support information acquisition unit 243 acquires support information corresponding to the recognized operation instruction content "Angle correction” and the work process information "Process [1]” acquired from the process information acquisition unit 242 from the support information storage unit 21.
  • the operation control unit 244 executes the support process based on the information acquired by the support information acquisition unit 243 (S5).
  • Figure 7 is a flowchart showing the support process executed by the operation control unit 244.
  • the support information acquisition unit 243 recognizes an angle correction instruction and an angle measurement value of x° from the worker's speech based on the acquired information ("YES" in S11), it determines whether the difference between the acquired measurement value x° and the target angle of 90° exceeds the set tolerance of 0.5°, i.e., is outside the tolerance (S12).
  • the support information acquisition unit 243 acquires the information of the voice V2 within the tolerance in the support information in FIG. 5, "Within the tolerance. Would you like to proceed to the next process?".
  • the operation control unit 244 transmits the acquired information of the voice V2 to the headset device 30 via the first communication unit 22, and outputs it from the speaker unit 32 (S13).
  • the speech content recognition unit 241 acquires the voice information transmitted from the headset device 30 via the first communication unit 22 and recognizes the speech content "No" ("NO" in S14).
  • the support information acquisition unit 243 acquires the information of voice V3 "Stop,” which corresponds to the speech content "No”
  • the operation control unit 244 transmits the acquired information to the headset device 30 and outputs it from the speaker unit 32 (S15).
  • the operation control unit 244 also transmits an instruction to the press brake 10 to stop the operation of the press brake 10 as a process corresponding to the speech content "No" (S16).
  • the uttered voice is wirelessly transmitted to the NC device 20, and the utterance content recognition unit 241 recognizes the utterance content "Yes” ("YES” in S14).
  • the support information acquisition unit 243 acquires the information of the voice V3 "Start the next process” corresponding to the utterance content "Yes”, and transmits the information acquired by the operation control unit 244 to the headset device 30, which outputs it from the speaker unit 32 (S17).
  • the operation control unit 244 also switches the processing target of the press brake 10 to the next process as a process corresponding to the utterance content "Yes” (S18).
  • the support information acquisition unit 243 acquires information on the first out-of-tolerance processing content in the support information in FIG. 5, "Correct the bending program based on the measurement value x°.”
  • the operation control unit 244 corrects the bending program based on the measurement value x° based on the acquired information (S19).
  • the support information acquisition unit 243 acquires information on the voice V2 "Corrected. Do you want to re-attach?", which corresponds to the second out-of-tolerance process in the support information in FIG. 5.
  • the operation control unit 244 transmits the acquired information on the voice V2 to the headset device 30, and causes it to be output from the speaker unit 32 (S20).
  • the speech content recognition unit 241 acquires the voice information transmitted from the headset device 30 via the first communication unit 22 and recognizes the speech content "No" ("NO" in S21).
  • the support information acquisition unit 243 acquires the information of voice V3 "Stop,” which corresponds to the speech content "No,” and the operation control unit 244 transmits the acquired information to the headset device 30 and outputs it from the speaker unit 32 (S22).
  • the operation control unit 244 also transmits an instruction to the press brake 10 to stop the operation of the press brake 10 as a process corresponding to the speech content "No" (S23).
  • the speech content recognition unit 241 recognizes the spoken content "Yes” ("YES” in S21).
  • the support information acquisition unit 243 acquires the information of the voice V3 "Restarting to re-attack", which corresponds to the spoken content "Yes”, and transmits the information acquired by the operation control unit 244 to the headset device 30, which outputs it from the speaker unit 32 (S24).
  • the operation control unit 244 also responds to the spoken content "Yes” by temporarily retracting the abutment members 17L and 17R, changing the settings to slow down the bending speed, and sending an instruction to the press brake 10 to make it possible to perform rework (S25).
  • the abutment members 17L and 17R get in the way, so by retracting them to a specified position, it becomes easier for the worker to perform the re-strike.
  • the die in the re-strike work, the die must be carefully aligned with the area that has already been bent, so the bending speed is slowed down, specifically, the descent speed of the upper table 11 is slowed down when the worker steps on the close foot switch 71, making it easier for the worker to perform the re-strike work for rework.
  • the worker counts the number of sheets of metal W that he/she has recognized as defective during processing, and when he/she speaks "Production result, number of defective sheets is z sheets" to confirm the production result, the spoken voice is picked up by the sound pickup unit 31 and wirelessly transmitted to the NC device 20 via the third communication unit 33.
  • the speech content recognition unit 241 acquires the voice information sent from the headset unit 30 via the first communication unit 22 ("YES" in S1), and analyzes the acquired information to recognize the content of the speech from the worker, "Production results, number of defective sheets is z" (S2).
  • the support information acquisition unit 243 determines whether the recognized utterance content is an instruction regarding the processing work of the metal sheet W (S3). If the recognized utterance content corresponds to any of the "operation instruction content" stored in the support information storage unit 21, the support information acquisition unit 243 determines that the utterance content is an instruction regarding the processing work of the metal sheet W.
  • the support information acquisition unit 243 determines that the "production result" in the recognized utterance content corresponds to the operation instruction content "confirm production result" stored in the support information storage unit 21, and that the utterance content is an instruction regarding the processing work of the metal sheet W ("YES" in S3).
  • the support information acquisition unit 243 acquires information on the number of processed sheets of the target product "product P" from the process information acquisition unit 242 as information on the work process currently being processed by the NC device 20 (S4). The support information acquisition unit 243 then acquires "production plan number y sheets" from the support information storage unit 21 as support information corresponding to the target product information "product P”. The support information acquisition unit 243 then acquires the corresponding support information from the support information storage unit 21 based on the recognized operation instruction content "confirm production result" and the information on the target product "product P".
  • the operation control unit 244 executes the support process based on the information acquired by the support information acquisition unit 243 (S5).
  • Figure 8 is a flowchart showing the support process executed by the operation control unit 244.
  • the support information acquisition unit 243 recognizes an instruction to check the production results and z defective sheets from the worker's speech based on the acquired information ("YES" in S31), it determines whether the number of processed products P minus z defective sheets reaches the production plan number y sheets (S32).
  • the support information acquisition unit 243 acquires the information of voice V2 "Would you like to process the next product?" in the support information in FIG. 6.
  • the operation control unit 244 transmits the acquired information of voice V2 to the headset device 30, and outputs it from the speaker unit 32 (S33).
  • the speech content recognition unit 241 acquires the voice information transmitted from the headset device 30 via the first communication unit 22 and recognizes the speech content "No" ("NO" in S34).
  • the support information acquisition unit 243 acquires the information of voice V3 "Stop,” which corresponds to the speech content "No”
  • the operation control unit 244 transmits the acquired information to the headset device 30 and outputs it from the speaker unit 32 (S35).
  • the operation control unit 244 also transmits an instruction to stop the operation of the press brake 10 to the press brake 10 via the second communication unit 23 as a process corresponding to the speech content "No" (S36).
  • the support information acquisition unit 243 acquires the information of the voice V3 "Preparing to process the next product” corresponding to the spoken content "Yes”, and transmits the information acquired by the operation control unit 244 to the headset device 30, which outputs it from the speaker unit 32 (S37). Furthermore, as a process corresponding to the spoken content "Yes”, the operation control unit 244 transmits an instruction to the press brake 10 to call up the processing data for the next product, replace the mold, and make it ready to start (S38).
  • the support information acquisition unit 243 acquires the information of voice V2 "Would you like to reprocess the defective products?" in the support information in FIG. 6.
  • the operation control unit 244 transmits the information of the acquired voice V2 to the headset device 30 and outputs it from the speaker unit 32 (S39).
  • the speech content recognition unit 241 acquires the voice information transmitted from the headset device 30 via the first communication unit 22 and recognizes the speech content "No" ("NO" in S40).
  • the support information acquisition unit 243 acquires the information of voice V3 "Stop,” which corresponds to the speech content "No,” and the operation control unit 244 transmits the acquired information to the headset device 30 and outputs it from the speaker unit 32 (S41).
  • the operation control unit 244 also transmits an instruction to the press brake 10 to stop the operation of the press brake 10 as a process corresponding to the speech content "No" (S42).
  • the support information acquisition unit 243 acquires the information of the voice V3 "We will reprocess the defective parts" which corresponds to the spoken content "Yes”, and the operation control unit 244 transmits the acquired information to the headset device 30, which outputs it from the speaker unit 32 (S43).
  • the operation control unit 244 sets the number of sheets to the number of sheets that is insufficient as the operation number and sends an instruction to the press brake 10 to make it ready for restart (S44).
  • a worker performing bending processing using the press brake 10 can perform processing work simply and efficiently based on the support information provided.
  • the NC device 20 provides the worker with audio information about useful information and points to be aware of when performing the work, allowing the worker to perform the processing work simply and efficiently.
  • the NC device 20 executes pre-processing to make it easier for the worker to perform the work related to the corresponding operation, allowing the worker to perform the processing work simply and efficiently.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Numerical Control (AREA)

Abstract

Un dispositif (20) d'aide au fonctionnement d'une machine-outil comprend : une unité de stockage d'informations d'aide (21) qui stocke des informations d'aide destinées à un ouvrier et prédéfinies pour chaque contenu d'instruction d'actionnement relatif à la machine-outil et pour chaque processus de travail exécuté par la machine-outil ; une unité de reconnaissance de contenu de parole (241) qui reconnaît le contenu de parole provenant de l'ouvrier ; une unité d'acquisition d'informations de processus (242) qui acquiert des informations relatives à un processus de travail en cours d'exécution ; une unité d'acquisition d'informations d'aide (243) qui acquiert, en provenance de l'unité de stockage d'informations d'aide (21), les informations d'aide correspondant à un contenu d'instruction d'actionnement reconnu au titre du contenu de parole provenant de l'ouvrier et les informations acquises relatives au processus de travail ; et une unité de commande d'actionnement (244) qui, sur la base des informations d'aide acquises, actionne la machine-outil ou un dispositif devant être utilisé par l'ouvrier pour manipuler la machine-outil.
PCT/JP2023/035754 2022-10-07 2023-09-29 Dispositif et procédé d'aide au fonctionnement d'une machine-outil Ceased WO2024075659A1 (fr)

Applications Claiming Priority (2)

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JP2022162402A JP7503609B2 (ja) 2022-10-07 2022-10-07 工作機械の運転支援装置および工作機械の運転支援方法
JP2022-162402 2022-10-07

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WO2024075659A1 true WO2024075659A1 (fr) 2024-04-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004181564A (ja) * 2002-12-02 2004-07-02 Fanuc Ltd 産業用ロボット
JP2008030110A (ja) * 2006-07-31 2008-02-14 Icgb Co Ltd プレスブレーキ用操作補助装置
JP2015043203A (ja) * 2013-08-14 2015-03-05 アルティス ゲーエムベーハーＡＲＴＩＳ ＧｍｂＨ 産業用ロボットの監視機能の自動化された構成のための方法及び装置
WO2020050415A1 (fr) * 2018-09-07 2020-03-12 株式会社牧野フライス製作所 Appareil de commande de machine-outil
US20210151050A1 (en) * 2018-07-30 2021-05-20 Chien-Hung Liu Voice Control System for Operating Machinery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021530794A (ja) * 2018-07-17 2021-11-11 アイ・ティー スピークス エル・エル・シーiT SpeeX LLC インテリジェントアシスタントおよび産業機械とのやり取りのための方法、システム、および、コンピュータプログラム製品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004181564A (ja) * 2002-12-02 2004-07-02 Fanuc Ltd 産業用ロボット
JP2008030110A (ja) * 2006-07-31 2008-02-14 Icgb Co Ltd プレスブレーキ用操作補助装置
JP2015043203A (ja) * 2013-08-14 2015-03-05 アルティス ゲーエムベーハーＡＲＴＩＳ ＧｍｂＨ 産業用ロボットの監視機能の自動化された構成のための方法及び装置
US20210151050A1 (en) * 2018-07-30 2021-05-20 Chien-Hung Liu Voice Control System for Operating Machinery
WO2020050415A1 (fr) * 2018-09-07 2020-03-12 株式会社牧野フライス製作所 Appareil de commande de machine-outil

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