WO2021156991A1 - 分析装置、提供装置、判定方法、提供方法、判定プログラムおよび提供プログラム - Google Patents

分析装置、提供装置、判定方法、提供方法、判定プログラムおよび提供プログラム Download PDF

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Publication number
WO2021156991A1
WO2021156991A1 PCT/JP2020/004461 JP2020004461W WO2021156991A1 WO 2021156991 A1 WO2021156991 A1 WO 2021156991A1 JP 2020004461 W JP2020004461 W JP 2020004461W WO 2021156991 A1 WO2021156991 A1 WO 2021156991A1
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WIPO (PCT)
Prior art keywords
information
cutting
unit
acquisition unit
analyzer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/004461
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English (en)
French (fr)
Japanese (ja)
Inventor
栗山浩充
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Sumitomo Electric Industries Ltd
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Sumitomo Electric Industries Ltd
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Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to PCT/JP2020/004461 priority Critical patent/WO2021156991A1/ja
Priority to JP2020532059A priority patent/JPWO2021156991A1/ja
Priority to PCT/JP2021/003511 priority patent/WO2021157518A1/ja
Priority to JP2021536703A priority patent/JP7276673B2/ja
Publication of WO2021156991A1 publication Critical patent/WO2021156991A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • 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—Program-control systems
    • G05B19/02—Program-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 program data in numerical form
    • 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
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00—Economic sectors
    • G16Y10/25—Manufacturing
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00—IoT characterised by the purpose of the information processing
    • G16Y40/20—Analytics; Diagnosis

Definitions

  • the present disclosure relates to an analyzer, a providing device, a judgment method, a providing method, a judgment program, and a providing program.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2018-43339 discloses the following cutting head with an energizing path. That is, the cutting head with an energizing path is a cutting tool for cutting an object or a holder for holding the cutting tool, and changes of the member are applied to all or a part of the cutting tool or the member of the holder. An energizing path for measurement is formed directly or indirectly.
  • Patent Document 2 Japanese Patent Laid-Open No. 2018-534680 discloses the following method. That is, the method is a relative movement between a programmable logic control unit (111) configured to control the operation of the machine (200) and a tool (210) and a workpiece (220) of the machine. A method (300) performed in a control system (110) including a numerical control unit (112) configured to control the first condition, received by the programmable logical control unit. Evaluating the input signal (190), which comprises information about the state of the tool or the state of the subtraction process performed by the interaction of the tool with the workpiece. (310) and providing the information to the numerical control unit (320) in response to the input signal satisfying the first condition.
  • the analyzer of the present disclosure is an analyzer that determines the state of a cutting edge in a cutting tool, and includes a measurement information acquisition unit that acquires measurement information that is information related to measurement results of a sensor provided in the cutting tool, and the above-mentioned analyzer.
  • a cutting information acquisition unit that acquires cutting information including at least one of information about a work material to be machined using a cutting tool and information about the cutting edge, and the measurement information acquired by the measurement information acquisition unit.
  • a determination unit for determining the state of the cutting edge based on the cutting information acquired by the cutting information acquisition unit.
  • the providing device of the present disclosure is a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool, and provides information on a work material to be cut and information on a cutting edge used for cutting.
  • At least one of a storage unit that stores at least one of the databases, information for identifying a work material to be machined using the cutting tool, and information for identifying the cutting edge in the cutting tool. It includes an acquisition unit that acquires specific information including one, and a provision unit that provides cutting information including information in the database and corresponding to the specific information acquired by the acquisition unit to the analyzer. ..
  • the determination method of the present disclosure is a determination method in an analyzer that determines the state of a cutting edge in a cutting tool, and includes a step of acquiring measurement information which is information on a measurement result of a sensor provided in the cutting tool, and the above-mentioned.
  • the cutting is based on a step of acquiring cutting information including at least one of information on a work material to be machined using a cutting tool and information on the cutting edge, and the acquired measurement information and cutting information. It includes a step of determining the state of the blade.
  • the providing method of the present disclosure is a providing method in a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool, and the providing device provides information on a work material to be cut and cutting.
  • a storage unit for storing at least one database of information on the cutting edge used in the cutting tool, information for identifying a work material to be machined using the cutting tool, and the cutting edge in the cutting tool.
  • the step of acquiring specific information which is at least one of the information for identification and the step of providing the information in the database and the information corresponding to the acquired specific information to the analyzer as cutting information. include.
  • the determination program of the present disclosure is a determination program used in an analyzer that determines the state of a cutting edge in a cutting tool, and allows a computer to acquire measurement information that is information on measurement results of a sensor provided in the cutting tool.
  • a cutting information acquisition unit that acquires cutting information including at least one of information about a work material to be machined using the cutting tool and information about the cutting edge, and the measurement information acquisition unit.
  • This is a program for functioning as a determination unit for determining the state of the cutting edge based on the measurement information acquired by the unit and the cutting information acquired by the cutting information acquisition unit.
  • the providing program of the present disclosure is a providing program used in a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool, and the providing device includes information on a work material to be cut and a work material to be cut.
  • a storage unit for storing a database of at least one of information about a cutting edge used for cutting is provided, and a computer can be used with information for identifying a work material to be machined using the cutting tool and the cutting tool.
  • the acquisition unit that acquires specific information that is at least one of the information for specifying the cutting edge in the above, and the information in the database that corresponds to the specific information acquired by the acquisition unit are cut. It is a program for functioning as a providing unit that provides information to the analyzer.
  • One aspect of the present disclosure can be realized not only as an analyzer provided with such a characteristic processing unit, but also as a semiconductor integrated circuit that realizes a part or all of the analyzer.
  • One aspect of the present disclosure can be realized not only as a providing device provided with such a characteristic processing unit, but also as a semiconductor integrated circuit that realizes a part or all of the providing device.
  • one aspect of the present disclosure can be realized not only as a tool system provided with such a characteristic processing unit, but also as a method of taking such a characteristic processing as a step, or a part of the tool system.
  • it can be realized as a semiconductor integrated circuit that realizes all of them.
  • FIG. 1 is a diagram showing a configuration of a tool system according to an embodiment of the present disclosure.
  • FIG. 2 is a diagram showing an example of a sensor packet transmitted by the cutting tool according to the embodiment of the present disclosure.
  • FIG. 3 is a diagram showing a state in which the cutting tool according to the embodiment of the present disclosure is attached to the machine tool.
  • FIG. 4 is a diagram showing a configuration of a sensor module according to the embodiment of the present disclosure.
  • FIG. 5 is a diagram showing a configuration of a providing device according to an embodiment of the present disclosure.
  • FIG. 6 is a diagram showing an example of a database stored by a storage unit in the providing device according to the embodiment of the present disclosure.
  • FIG. 1 is a diagram showing a configuration of a tool system according to an embodiment of the present disclosure.
  • FIG. 2 is a diagram showing an example of a sensor packet transmitted by the cutting tool according to the embodiment of the present disclosure.
  • FIG. 3 is a diagram showing a state in which the cutting tool
  • FIG. 7 is a diagram showing an example of a database stored by the storage unit in the providing device according to the embodiment of the present disclosure.
  • FIG. 8 is a diagram showing a configuration of an analyzer according to an embodiment of the present disclosure.
  • FIG. 9 is a flowchart defining an example of an operation procedure when the analyzer in the tool system according to the embodiment of the present disclosure determines the state of the cutting edge.
  • FIG. 10 is a diagram showing an example of a sequence of determination processing in the tool system according to the embodiment of the present disclosure.
  • the present disclosure has been made to solve the above-mentioned problems, and an object thereof is an analyzer, a providing device, a determining method, a providing method, which can more accurately determine the state of a cutting edge in a cutting tool. It is to provide a judgment program and a providing program.
  • the analyzer is an analyzer that determines the state of a cutting edge in a cutting tool, and acquires measurement information that is information on the measurement result of a sensor provided in the cutting tool.
  • a cutting information acquisition unit that acquires cutting information including at least one of information about a work material to be machined using the cutting tool and information about the cutting edge, and the measurement information acquisition unit.
  • a determination unit for determining the state of the cutting edge is provided based on the measurement information acquired by the unit and the cutting information acquired by the cutting information acquisition unit.
  • the state of the cutting edge is determined based on the cutting information including at least one of the information about the work material and the information about the cutting edge and the measurement information, for example, the characteristics of the work material and the characteristics of the cutting edge.
  • the state of the cutting edge can be determined in consideration of the influence of such factors on the measurement result of the sensor. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • the analyzer further includes a type information acquisition unit that acquires type information including at least one of information indicating the type of the work material and information indicating the type of the cutting edge.
  • the cutting information acquisition unit acquires the cutting information corresponding to the type indicated by the type information acquired by the type information acquisition unit.
  • the state of the cutting edge can be determined in consideration of the influence of the characteristics of each type of work material and the characteristics of each type of cutting edge on the measurement result of the sensor.
  • the analyzer further includes a control information acquisition unit that acquires control information used for controlling a cutting operation using the cutting tool, and the determination unit is acquired by the control information acquisition unit. The state of the cutting edge is determined based on the control information obtained.
  • the state of the cutting edge can be determined more accurately in consideration of the influence of the cutting operation such as the rotation speed of the work material or the rotation speed of the cutting tool on the measurement result of the sensor.
  • the cutting information acquisition unit is from a providing device having a storage unit that stores a database of at least one of information on a work material to be cut and information on a cutting edge used for cutting.
  • the analyzer acquires the cutting information, and the analyzer further obtains the result information acquisition unit which acquires the processing result information which is the information regarding the result of the cutting process using the cutting tool, and the result information acquisition unit acquired by the result information acquisition unit. It is provided with an update unit that updates the contents of the database in the storage unit based on the processing result information.
  • the database can be updated based on the machining result information, so that the accuracy of determining the state of the cutting edge can be improved.
  • the update unit updates the contents of the database in the storage unit based on the determination result in the determination unit.
  • the cutting information acquisition unit acquires information on a threshold value used for determining an abnormality of the cutting edge as the cutting information.
  • the providing device is a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool, and provides information on a work material to be cut and cutting.
  • a storage unit that stores at least one database of information on the cutting edge used in the cutting tool, information for specifying a work material to be machined using the cutting tool, and specifying the cutting edge in the cutting tool.
  • the analyzer obtains cutting information including an acquisition unit that acquires specific information including at least one of the information to be obtained, and information in the database that corresponds to the specific information acquired by the acquisition unit. It has a providing unit to provide to.
  • the state of the cutting edge is determined in the analyzer in consideration of the influence of, for example, the characteristics of the work material and the characteristics of the cutting edge on the measurement result of the sensor. be able to. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • the determination method is a determination method in an analyzer that determines the state of a cutting edge in a cutting tool, and is information on the measurement result of a sensor provided in the cutting tool.
  • a step of acquiring information a step of acquiring cutting information including at least one of information on a work material to be machined using the cutting tool and information on the cutting edge, the acquired measurement information, and the above. It includes a step of determining the state of the cutting edge based on the cutting information.
  • the state of the cutting edge based on the cutting information including at least one of the information about the work material and the information about the cutting edge and the measurement information, for example, the characteristics of the work material and the characteristics of the cutting edge.
  • the state of the cutting edge can be determined in consideration of the influence of such factors on the measurement result of the sensor. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • the providing method is a providing method in a providing device that provides information to an analyzer that determines a state of a cutting edge in a cutting tool, and the providing device is cut.
  • a storage unit for storing at least one database of information on a work material and information on a cutting edge used for cutting, and information for identifying a work material to be cut using the cutting tool and
  • the step of acquiring specific information which is at least one of the information for specifying the cutting edge in the cutting tool and the information in the database corresponding to the acquired specific information are used as cutting information. Includes steps to provide to the analyzer.
  • the state of the cutting edge is determined in the analyzer in consideration of the influence of, for example, the characteristics of the work material and the characteristics of the cutting edge on the measurement result of the sensor. be able to. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • the determination program is a determination program used in an analyzer that determines the state of a cutting edge in a cutting tool, and a computer is used as a measurement result of a sensor provided in the cutting tool.
  • Cutting information that includes at least one of a measurement information acquisition unit that acquires measurement information that is information about a cutting tool, information about a work material that is cut using the cutting tool, and information about a cutting edge.
  • the state of the cutting edge is determined based on the cutting information including at least one of the information about the work material and the information about the cutting edge and the measurement information, for example, the characteristics of the work material and the characteristics of the cutting edge.
  • the state of the cutting edge can be determined in consideration of the influence of such factors on the measurement result of the sensor. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • the providing program according to the embodiment of the present disclosure is a providing program used in a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool, and the providing device is a cutting process.
  • a storage unit for storing at least one database of information on the work material to be cut and information on the cutting edge used for cutting is provided, and a computer identifies the work material to be cut using the cutting tool.
  • An acquisition unit that acquires specific information that is at least one of the information for specifying the cutting edge and the information for specifying the cutting edge in the cutting tool, and the identification that is information in the database and is acquired by the acquisition unit.
  • This is a program for functioning as a providing unit that provides information corresponding to the information as cutting information to the analyzer.
  • the state of the cutting edge is determined in the analyzer in consideration of the influence of, for example, the characteristics of the work material and the characteristics of the cutting edge on the measurement result of the sensor. be able to. Therefore, the state of the cutting edge in the cutting tool can be determined more accurately.
  • FIG. 1 is a diagram showing a configuration of a tool system according to an embodiment of the present disclosure.
  • the tool system 400 includes a cutting tool 100, an analyzer 200, a wireless master unit 201, and a providing device 300.
  • the cutting tool 100 is attached to a machine tool (not shown).
  • the cutting tool 100 includes a cutting portion 10 and a sensor module 20 provided in the cutting portion 10.
  • the sensor module 20 includes a sensor.
  • the cutting portion 10 can attach a cutting insert 1 having a cutting edge.
  • the analyzer 200 can communicate with the machine tool via a wireless transmission line or a wired transmission line.
  • the analyzer 200 may be a part of a machine tool.
  • the analyzer 200 and the provider 300 can communicate with each other via the network 301. More specifically, the analyzer 200 and the providing device 300 transmit and receive IP packets including various information via the network 301 by wire communication or wireless communication.
  • the analyzer 200 acquires cutting information including information on the material of the work piece to be cut using the cutting tool 100 and information on the cutting edge used for the cutting.
  • the material of the work material is also simply referred to as "work material”.
  • the providing device 300 provides information to the analyzer 200. More specifically, the providing device 300 stores a database of information about the work material to be machined and information about the cutting edge used for the cutting. The providing device 300 transmits a part or all of the information in the database as cutting information to the analyzer 200 via the network 301.
  • the analyzer 200 acquires measurement information which is information regarding the measurement result of the sensor in the sensor module 20.
  • the cutting tool 100 transmits a wireless signal including a sensor packet storing measurement information to the wireless master unit 201.
  • the wireless master unit 201 is connected to the analyzer 200, for example, by wire.
  • the wireless master unit 201 is, for example, an access point.
  • the wireless master unit 201 acquires a sensor packet included in the wireless signal received from the cutting tool 100 and relays it to the analyzer 200.
  • the analyzer 200 When the analyzer 200 receives a sensor packet from the cutting tool 100 via the wireless master unit 201, the analyzer 200 acquires measurement information from the received sensor packet.
  • the cutting tool 100 and the wireless master unit 201 are, for example, ZigBee compliant with IEEE 802.15.4, Bluetooth® compliant with IEEE 802.15.1, and UWB (Ultra Wide) compliant with IEEE 802.15.3a.
  • Wireless communication is performed using a communication protocol such as Band).
  • a communication protocol other than the above may be used between the cutting tool 100 and the wireless master unit 201.
  • FIG. 2 is a diagram showing an example of a sensor packet transmitted by the cutting tool according to the embodiment of the present disclosure.
  • the sensor module 20 in the cutting tool 100 creates a sensor packet 401 in which the measurement information is stored in the “sensor data” field.
  • a predetermined preamble is stored in the field of the "synchronization header" in the sensor packet 401.
  • the field of "MAC (Media Access Control) header for example, the MAC address of the sensor module 20 and the like are stored.
  • the data length of the "sensor data” field is 20 octets in FIG. 2, but can be changed according to the type of physical quantity included in the measurement information, the number of the physical quantity, and the like.
  • the analyzer 200 determines the state of the cutting edge in the cutting tool 100 based on the measurement information received from the cutting tool 100 and the cutting information received from the providing device 300. More specifically, for example, the analyzer 200 determines the abnormality of the cutting edge in the cutting tool 100 based on the threshold value set based on the cutting information and the measurement result of the sensor indicated by the measurement information.
  • the tool system 400 is not limited to the configuration including one cutting tool 100, and may be configured to include a plurality of cutting tools 100. Further, the tool system 400 is not limited to the configuration including one analyzer 200, and may be configured to include a plurality of analyzers 200.
  • FIG. 3 is a diagram showing a state in which the cutting tool according to the embodiment of the present disclosure is attached to the machine tool.
  • the cutting tool 100 is sandwiched and fixed from above and below by the tool post 50 in the machine tool.
  • the cutting tool 100 is, for example, a turning tool used for machining a rotating work piece, and is attached to a machine tool such as a lathe.
  • a two-dimensional bar code Bs indicating the model number of the cutting portion 10 is attached to the cutting portion 10.
  • the cutting portion 10 can be attached with a cutting insert 1 having a cutting edge.
  • the cutting portion 10 is a shank that holds the cutting insert 1. That is, the cutting tool 100 is a so-called throw-away tool.
  • the cutting portion 10 includes fixing members 3A and 3B.
  • the fixing members 3A and 3B hold the cutting insert 1.
  • the cutting insert 1 has a polygonal shape such as a triangle, a square, a rhombus, and a pentagon when viewed from above.
  • the cutting insert 1 has a through hole formed in the center of the upper surface, and is fixed to the cutting portion 10 by the fixing members 3A and 3B.
  • a two-dimensional bar code Bc (not shown) indicating the model number of the cutting insert 1 is attached to the cutting insert 1.
  • the cutting portion 10 may have a structure in which it has a cutting edge instead of not including the fixing members 3A and 3B. That is, the cutting tool 100 may be a peeling tool or a brazing tool.
  • the cutting tool 100 is, for example, a tool for rolling machining used for machining a fixed work piece, and may be attached to a machine tool such as a milling machine. More specifically, the cutting tool 100 may have a configuration in which the cutting insert 1 can be attached to the cutting portion 10 such as a milling cutter, or a configuration in which the cutting portion 10 has a cutting edge such as an end mill. It may be.
  • FIG. 4 is a diagram showing a configuration of a sensor module according to the embodiment of the present disclosure.
  • the sensor module 20 includes an acceleration sensor 21, a strain sensor 22, a processing unit 23, a communication unit 24, a storage unit 25, a detection unit 26, and a battery 29.
  • the sensor module 20 is activated by, for example, a user operation.
  • the processing unit 23 is realized by a processor such as a CPU (Central Processing Unit) and a DSP (Digital Signal Processor), for example.
  • the communication unit 24 is realized by, for example, a communication circuit such as a communication IC (Integrated Circuit).
  • the storage unit 25 is, for example, a non-volatile memory.
  • the storage unit 25 stores model number information Ms indicating the model number of the cutting unit 10 in its own cutting tool 100.
  • the model number information Ms is stored in the storage unit 25 by the user when the sensor module 20 is incorporated into the cutting unit 10.
  • the model number information Ms is set by user operation on the switch component mounted on the sensor module 20.
  • the battery 29 is, for example, a power storage device including a primary battery, a secondary battery, a solar cell, a capacitor, and the like.
  • the battery 29 supplies electric power to the acceleration sensor 21, the strain sensor 22, and the circuits of the processing unit 23 and the communication unit 24.
  • the acceleration sensor 21 and the strain sensor 22 are provided, for example, in the vicinity of the cutting edge of the cutting tool 100.
  • the detection unit 26 reads the two-dimensional bar code Bc of the cutting insert 1 when the cutting insert 1 is attached to the cutting unit 10.
  • the detection unit 26 reads the two-dimensional bar code Bc of the cutting insert 1, it outputs the reading information Rc indicating the reading result to the processing unit 23.
  • the processing unit 23 stores the read information Rc received from the detection unit 26 in the storage unit 25.
  • the sensor module 20 is not limited to the configuration including one acceleration sensor 21, but may be configured to include a plurality of acceleration sensors 21. Further, the sensor module 20 is not limited to the configuration including one strain sensor 22, and may be configured to include a plurality of strain sensors 22. Further, the sensor module 20 includes other sensors such as a pressure sensor, a sound sensor and a temperature sensor in place of at least one of the acceleration sensor 21 and the strain sensor 22, or in addition to the acceleration sensor 21 and the strain sensor 22. It may be a configuration.
  • the analyzer 200 broadcasts an advertisement packet including its own MAC address via the wireless master unit 201 periodically or irregularly as a connection process.
  • the communication unit 24 acquires an advertisement packet included in the wireless signal received from the wireless master unit 201, and outputs the acquired advertisement packet to the processing unit 23.
  • the processing unit 23 When the processing unit 23 receives the advertisement packet from the communication unit 24, the processing unit 23 sets the analyzer 200 having the source MAC address included in the received advertisement packet as the communication target as the connection process. Specifically, the processing unit 23 registers the source MAC address in the storage unit 25 as the MAC address of the analyzer 200 to be communicated.
  • the processing unit 23 generates a response packet including the MAC address of its own sensor module 20 as a connection process and outputs it to the communication unit 24.
  • the communication unit 24 transmits a wireless signal including the response packet received from the processing unit 23 to the analyzer 200 via the wireless master unit 201.
  • the analyzer 200 When the analyzer 200 receives the response packet from the sensor module 20 of the cutting tool 100 via the wireless master unit 201, as a connection process, the sensor module 20 having the source MAC address included in the received response packet is targeted for communication. Set. Specifically, the analyzer 200 registers the source MAC address as the MAC address of the sensor module 20 to be communicated in its own storage unit.
  • the processing unit 23 When the processing unit 23 generates a response packet and outputs it to the communication unit 24, the processing unit 23 acquires the model number information Ms and the read information Rc from the storage unit 25, and identifies the packet in which the acquired model number information Ms and the read information Rc are stored. Generate a packet. The processing unit 23 outputs the generated identification packet to the communication unit 24.
  • the communication unit 24 transmits a radio signal including the identification packet received from the processing unit 23 to the analyzer 200 via the wireless master unit 201.
  • the acceleration sensor 21 measures the acceleration and outputs an analog signal indicating the measured acceleration to the processing unit 23.
  • the strain sensor 22 measures the strain and outputs an analog signal indicating the measured strain to the processing unit 23.
  • the processing unit 23 generates measurement information, which is information related to the measurement result of the sensor.
  • the processing unit 23 generates measurement information indicating the measured value of the acceleration sensor 21 and the measured value of the strain sensor 22.
  • the processing unit 23 AD Analog Digital converts the analog signals received from the acceleration sensor 21 and the strain sensor 22 at the sampling timing according to the generation cycle Ta, which is a predetermined cycle, and the sensor is a digital value after the conversion. Generate measured values.
  • the processing unit 23 generates a sensor packet in which the measurement information including the sensor measurement value is stored, and outputs the generated sensor packet to the communication unit 24.
  • the communication unit 24 transmits the sensor packet in which the measurement information is stored received from the processing unit 23 to the analyzer 200 via the wireless master unit 201.
  • the processing unit 23 generates a sensor packet in which measurement information including one corresponding sensor measurement value is stored for each sampling timing, and outputs the generated sensor packet to the communication unit 24.
  • the processing unit 23 when the processing unit 23 generates the sensor measurement value at the sampling timing, the generated sensor measurement value is stored in the storage unit 25. For example, the processing unit 23 acquires one or a plurality of sensor measurement values among the plurality of sensor measurement values accumulated in the storage unit 25 at the transmission timing according to a cycle that is an integral multiple of the generation cycle Ta, and each of them is obtained from the storage unit 25. Erase the sensor measurement value. Then, the processing unit 23 generates a sensor packet in which the measurement information including the acquired one or a plurality of sensor measurement values is stored, and outputs the generated sensor packet to the communication unit 24.
  • the communication unit 24 receives a sensor packet from the processing unit 23 at each sampling timing or transmission timing, and transmits the received sensor packet to the analyzer 200 via the wireless master unit 201.
  • the processing unit 23 generates measurement information indicating the calculation result obtained by performing a calculation using one or a plurality of sensor measurement values instead of the sensor measurement value itself, and stores the generated measurement information.
  • the sensor packet may be output to the communication unit 24.
  • the processing unit 23 determines the identification information of the cutting tool 100, the voltage information indicating the voltage of the battery 29, the type information indicating the type of the sensor, the identification information of the sensor, the generation time of the sensor measurement value, and the sequence number of the sensor measurement value.
  • a sensor packet including at least one of them may be output to the communication unit 24.
  • FIG. 5 is a diagram showing a configuration of a providing device according to an embodiment of the present disclosure.
  • the providing device 300 includes a communication unit 310, an acquisition unit 320, a providing unit 330, an updating unit 340, and a storage unit 350.
  • the communication unit 310 is realized by a communication circuit such as a communication IC.
  • the acquisition unit 320 and the provision unit 330 are realized by a processor such as a CPU and a DSP, for example.
  • the storage unit 350 is, for example, a non-volatile memory.
  • the storage unit 350 stores at least one database of information on the work material to be machined and information on the cutting edge used in the cutting.
  • FIG. 6 and 7 are diagrams showing an example of a database stored by the storage unit in the providing device according to the embodiment of the present disclosure.
  • FIG. 6 shows a database DB1 of information about the cutting edge
  • FIG. 7 shows a database DB2 of information about the work material.
  • the storage unit 350 has a database DB1 showing a correspondence relationship between the model number of the cutting insert 1 and the threshold coefficient Ck, and a correspondence between the model number of the work piece and the threshold coefficient Wk.
  • the database DB2 showing the relationship is stored.
  • the threshold coefficients Ck and Wk are used to set the threshold value used for determining the abnormality of the cutting edge in the analyzer 200.
  • the threshold coefficient Ck is set, for example, when performing cutting using the cutting insert 1 having the model number "AAA" and when performing cutting using each cutting insert 1 in the database DB1.
  • the ratio to the power threshold is set, for example, when performing cutting using the cutting insert 1 having the model number "AAA" and when performing cutting using each cutting insert 1 in the database DB1.
  • the threshold coefficient Wk is, for example, a threshold value to be set when cutting a work portion whose model number is "XXX" and a threshold value to be set when cutting each work portion in the database DB2.
  • the ratio is, for example, a threshold value to be set when cutting a work portion whose model number is "XXX" and a threshold value to be set when cutting each work portion in the database DB2.
  • the databases DB1 and DB2 are created by the administrator of the providing device 300.
  • the administrator uses, for example, the cutting insert 1 having the model number "AAA" as the reference measurement, the sensor measurement value generated in the sensor module 20 of the cutting portion 10, and the state of the cutting edge of the cutting insert 1. While confirming, the work piece whose model number is "XXX" is cut. Then, the administrator stores the sensor measurement value S1 at the timing when an abnormality occurs in the cutting edge of the cutting insert 1 as the reference threshold value Th in the storage unit 350.
  • the administrator uses the cutting insert 1 having the model number "BBB” to check the sensor measurement value generated in the sensor module 20 of the cutting portion 10 and the state of the cutting edge of the cutting insert 1.
  • the work piece whose model number is "XXX” is cut.
  • the manager records the sensor measurement value Sc2 at the timing when the cutting edge of the cutting insert 1 has an abnormality.
  • the administrator registers Sc2 / S1, which is the ratio of the sensor measurement value Sc2 and the sensor measurement value S1, as the threshold coefficient Ck corresponding to the cutting insert 1 whose model number is “BBB”.
  • the administrator uses the cutting insert 1 of each model number to perform cutting of the work piece whose model number is "XXX" as in the above reference measurement. Then, the manager records the sensor measurement value Scx at the timing when the cutting edge of the cutting insert 1 has an abnormality. The administrator registers Scx / S1 as the threshold coefficient Ck corresponding to the corresponding cutting insert 1.
  • the administrator uses the cutting insert 1 having the model number "AAA" as in the above reference measurement to check the sensor measurement value generated in the sensor module 20 of the cutting portion 10 and the state of the cutting edge of the cutting insert 1. While checking, the work piece whose model number is "YYY” is cut. Then, the manager records the sensor measurement value Sw2 at the timing when the cutting edge of the cutting insert 1 has an abnormality.
  • the administrator registers Sw2 / S1, which is the ratio of the sensor measurement value Sw2 and the sensor measurement value S1, as the threshold coefficient Wk corresponding to the work piece whose model number is “YYY”.
  • the administrator cuts the work piece of each model number using the cutting insert 1 having the model number "AAA" as in the above standard measurement. Then, the manager records the sensor measurement value Swx at the timing when the cutting edge of the cutting insert 1 has an abnormality. The administrator registers Swx / S1 as the threshold coefficient Wk corresponding to the corresponding cutting insert 1.
  • the acquisition unit 320 receives at least one of the information for identifying the work material to be machined using the cutting tool 100 and the information for identifying the cutting edge in the cutting tool 100. Acquire specific information including.
  • the acquisition unit 320 acquires specific information including model number information Mc indicating the model number of the cutting insert 1, model number information Mw indicating the model number of the work piece, and model number information Ms indicating the model number of the cutting unit 10.
  • the communication unit 310 when the communication unit 310 receives the specific information including the model number information Mc, Mw, and Ms from the analyzer 200 via the network 301, the communication unit 310 outputs the received specific information to the acquisition unit 320.
  • the acquisition unit 320 When the acquisition unit 320 receives the specific information from the communication unit 310, the acquisition unit 320 outputs the received specific information to the provision unit 330.
  • the providing unit 330 provides the analyzer 200 with cutting information including information in the databases DB1 and DB2 of the storage unit 350 and corresponding to the specific information acquired by the acquiring unit 320.
  • the providing unit 330 determines a threshold value used for determining the abnormality of the cutting edge based on the received specific information, and the determined threshold value is passed through the communication unit 310 and the network 301. Is transmitted to the analyzer 200.
  • the providing unit 330 acquires the model number information Mc, Mw, and Ms from the received specific information.
  • the providing unit 330 acquires the threshold coefficient Ck corresponding to the model number information Mc from the database DB1 in the storage unit 350, and obtains the threshold coefficient Wk corresponding to the model number information Mw in the storage unit 350. Obtained from database DB2. Further, the providing unit 330 acquires the reference threshold Th from the storage unit 350.
  • the providing unit 330 determines the threshold value based on the reference threshold value Th and the threshold value coefficients Ck and Wk. More specifically, the providing unit 330 determines the product of the reference threshold value Th, the threshold value coefficient Ck, and the threshold value coefficient Wk as a threshold value. Then, the providing unit 330 generates cutting information including the determined threshold value, and outputs the generated cutting information to the communication unit 310.
  • the communication unit 310 When the communication unit 310 receives the cutting information from the providing unit 330, the communication unit 310 transmits the received cutting information to the analyzer 200 via the network 301.
  • the providing unit 330 may be configured to determine the threshold value based on the model number information Ms. More specifically, for example, the storage unit 350 further stores the database DB3 showing the correspondence between the model number of the cutting unit 10 and the threshold coefficient Sk. The providing unit 330 acquires the threshold value Sk corresponding to the model number information Ms from the database DB3 in the storage unit 350, and determines the threshold value based on the reference threshold value Th and the threshold value Ck, Wk, Sk.
  • the update unit 340 updates the databases DB1 and DB2 in the storage unit 350. For example, the update unit 340 updates the contents of the databases DB1 and DB2 based on the determination result of the state of the cutting edge in the analyzer 200.
  • the communication unit 310 when the communication unit 310 receives a change instruction indicating that the threshold coefficients Ck and Wk should be changed from the analyzer 200 via the network 301, the communication unit 310 sends the received change instruction to the update unit 340. Output.
  • the update unit 340 updates the threshold coefficient Ck in the database DB1 and the threshold coefficient Wk in the database DB2 according to the change instruction received from the communication unit 310.
  • FIG. 8 is a diagram showing a configuration of an analyzer according to an embodiment of the present disclosure.
  • the analyzer 200 includes a communication unit 210, a determination unit 220, a measurement information acquisition unit 231, a cutting information acquisition unit 232, a type information acquisition unit 233, and a result information acquisition unit 234. It includes a machine-side information acquisition unit 235, an input reception unit 240, a processing control unit 250, a notification unit 260, an update unit 270, and a storage unit 280.
  • the communication unit 210 is realized by a communication circuit such as a communication IC.
  • the unit 270 is realized by a processor such as a CPU and a DSP, for example.
  • the storage unit 280 is, for example, a non-volatile memory.
  • the storage unit 280 stores the correspondence information Ts indicating the correspondence relationship between the two-dimensional bar code Bs attached to the cutting portion 10 and the model number of the cutting portion 10. Further, the storage unit 280 stores the correspondence information Tc indicating the correspondence relationship between the two-dimensional bar code Bc attached to the cutting insert 1 and the model number of the cutting insert 1. Further, the storage unit 280 stores the correspondence information Tw indicating the correspondence relationship between the two-dimensional bar code Bw attached to the work piece and the model number of the work piece.
  • the model number of the work piece is set for each type of work material, for example.
  • the measurement information acquisition unit 231 acquires measurement information which is information related to the measurement result of the sensor provided in the cutting tool 100.
  • the communication unit 210 when the communication unit 210 receives the sensor packet from the cutting tool 100 via the wireless master unit 201, the communication unit 210 acquires measurement information from the received sensor packet and outputs the acquired measurement information to the measurement information acquisition unit 231. ..
  • the measurement information acquisition unit 231 When the measurement information acquisition unit 231 receives the measurement information from the communication unit 210, the measurement information acquisition unit 231 outputs the received measurement information to the determination unit 220.
  • the determination unit 220 When the determination unit 220 receives the measurement information from the measurement information acquisition unit 231, the determination unit 220 stores the received measurement information in the storage unit 280 for each cutting tool 100.
  • the machine side information acquisition unit 235 acquires various information from the machine tool.
  • Control information For example, the machine side information acquisition unit 235 acquires control information used for controlling a cutting operation using the cutting tool 100.
  • the machine side information acquisition unit 235 is an example of a control information acquisition unit.
  • the machine side information acquisition unit 235 has an NC (Numerical Control) program, a spindle current value, information on rotation and stop of a work piece, information on rotation and stop of a cutting tool 100, information on movement of a cutting tool 100, and a coolant.
  • NC Genetic Control
  • Information indicating the presence or absence of the tool, information indicating the cutting tool used among the plurality of cutting tools attached to the turret, and the like are acquired as control information.
  • the machine-side information acquisition unit 235 acquires, for example, the above-mentioned control information from a control unit (not shown) in the machine tool via a wired transmission line (not shown), and outputs the acquired control information to the determination unit 220.
  • the machine-side information acquisition unit 235 acquires the reading information Rw indicating the reading result of the two-dimensional bar code Bw of the work piece from the machine tool.
  • a machine tool is equipped with a barcode reader (not shown).
  • the bar code reader in the machine tool reads the two-dimensional bar code Bw of the work piece attached to the machine tool before the start of cutting.
  • the machine side information acquisition unit 235 acquires the reading information Rw indicating the reading result of the two-dimensional bar code Bw from a control unit (not shown) in the machine tool, and outputs the acquired reading information Rw to the type information acquisition unit 233.
  • the machine side information acquisition unit 235 acquires machining result information indicating the result of cutting from the machine tool.
  • a machine tool is equipped with a surface roughness sensor and a camera (not shown).
  • the surface roughness sensor in the machine tool measures the surface roughness of the machined surface of the cutting edge and the work piece of the cutting tool 100 after the cutting process is completed.
  • the camera in the machine tool generates image information showing an image of the cutting edge and the work piece by photographing the cutting edge and the work piece in the cutting tool 100 after the cutting process is completed.
  • the control unit (not shown) in the machine tool analyzes the image information generated by the camera to determine whether or not the cutting edge is missing and the amount of wear of the cutting edge.
  • the machine side information acquisition unit 235 acquires processing result information indicating the presence or absence of a cutting edge defect in the cutting tool 100, the amount of wear of the cutting edge, and the surface roughness of the machined surface in the work piece from the control unit in the machine tool. , The acquired processing result information is output to the result information acquisition unit 234.
  • the result information acquisition unit 234 acquires machining result information which is information on the result of cutting using the cutting tool 100.
  • the result information acquisition unit 234 receives the processing result information from the machine side information acquisition unit 235.
  • the result information acquisition unit 234 outputs the received processing result information to the determination unit 220.
  • the type information acquisition unit 233 acquires type information including at least one of information indicating the type of the work material and information indicating the type of the cutting edge.
  • model number information Mc indicating the model number of the cutting insert 1
  • model number information Mw indicating the model number of the work piece
  • model number information Ms indicating the model number of the cutting portion 10
  • the communication unit 210 when the communication unit 210 receives the identification packet from the cutting tool 100 via the wireless master unit 201, the communication unit 210 acquires the read information Rc and the model number information Ms from the received identification packet, and types the acquired read information Rc and the model number information Ms. Output to the information acquisition unit 233.
  • the type information acquisition unit 233 When the type information acquisition unit 233 receives the read information Rc from the communication unit 210, the type information acquisition unit 233 specifies the model number of the cutting insert 1 indicated by the received read information Rc based on the corresponding information Tc in the storage unit 280, and the specified cutting insert 1 Generates model number information Mc indicating the model number of.
  • the type information acquisition unit 233 receives the read information Rw from the machine side information acquisition unit 235, the type information acquisition unit 233 identifies the model number of the work piece indicated by the received read information Rw based on the correspondence information Tw in the storage unit 280. Generate model number information Mw indicating the model number of the specified work piece.
  • the type information acquisition unit 233 generates type information including model number information Mc, Mw, and Ms, and outputs the generated type information to the cutting information acquisition unit 232.
  • the cutting information acquisition unit 232 acquires cutting information including at least one of information on a work material to be machined using the cutting tool 100 and information on a cutting edge. More specifically, the cutting information acquisition unit 232 acquires cutting information from the providing device 300.
  • the cutting information acquisition unit 232 acquires the cutting information corresponding to the type indicated by the type information acquired by the type information acquisition unit 233.
  • the cutting information acquisition unit 232 acquires information on a threshold value used for determining an abnormality of the cutting edge as cutting information.
  • the cutting information acquisition unit 232 when the cutting information acquisition unit 232 receives the type information from the type information acquisition unit 233, the cutting information acquisition unit 232 generates specific information including the model number information Mc, Mw, and Ms indicated by the received type information, and generates the generated specific information. Output to the communication unit 210.
  • the communication unit 210 transmits the specific information received from the cutting information acquisition unit 232 to the providing device 300 via the network 301.
  • the providing apparatus 300 has a threshold coefficient Wk which is information about the work material and a threshold coefficient Ck which is information about the cutting edge based on the model number information Mc and Mw indicated by the specific information.
  • the cutting information including the threshold value determined by using the above is transmitted to the analyzer 200 via the network 301.
  • the cutting information acquisition unit 232 When the cutting information acquisition unit 232 receives the cutting information from the providing device 300 via the network 301 and the communication unit 210, the cutting information acquisition unit 232 outputs the received cutting information to the determination unit 220.
  • the input receiving unit 240 receives various information from the user via an operation unit such as a keyboard and a mouse (not shown) in the analyzer 200.
  • the input receiving unit 240 receives from the user the protrusion information indicating the protrusion amount L, which is the distance from the end on the cutting insert 1 side of the tool post 50 to the tip of the cutting insert 1.
  • the protrusion amount L is measured.
  • the user inputs the protrusion information indicating the measurement result of the protrusion amount L to the input reception unit 240 of the analyzer 200 via the operation unit.
  • the input reception unit 240 outputs the protrusion information received from the user to the determination unit 220.
  • the determination unit 220 determines the state of the cutting edge based on the measurement information acquired by the measurement information acquisition unit 231 and the cutting information acquired by the cutting information acquisition unit 232.
  • the state of the cutting edge is, for example, a state related to the life of the cutting edge.
  • the determination unit 220 acquires the threshold value from the received cutting information.
  • the determination unit 220 determines the state of the cutting edge of the cutting insert 1 in the cutting tool 100 based on the acquired threshold value and the sensor measurement value indicated by the measurement information in the storage unit 280. Specifically, when the sensor measurement value indicated by the measurement information in the storage unit 280 exceeds the threshold value, it is determined that an abnormality such as a defect or abnormal wear has occurred in the cutting edge.
  • the determination unit 220 determines the state of the cutting edge based on the control information acquired by the machine side information acquisition unit 235. More specifically, the determination unit 220 adjusts and adjusts the acquired threshold value based on the rotation speed of the work piece, the moving speed of the cutting tool 100, and the like indicated by the control information received from the machine side information acquisition unit 235. The state of the cutting edge is determined using the later threshold value.
  • the determination unit 220 determines the state of the cutting edge based on the protrusion information received from the input reception unit 240. More specifically, the determination unit 220 adjusts the acquired threshold value based on the protrusion amount L indicated by the protrusion information received from the input reception unit 240, and determines the state of the cutting edge using the adjusted threshold value.
  • the determination unit 220 outputs the determination result to the notification unit 260 and the machining control unit 250. For example, when the determination unit 220 determines that an abnormality has occurred in the cutting edge, it outputs a determination result indicating that the abnormality has occurred to the notification unit 260 and the machining control unit 250.
  • the notification unit 260 When the notification unit 260 receives a determination result indicating that an abnormality has occurred from the determination unit 220, the notification unit 260 performs a process of displaying the received determination result or notifying the user by voice.
  • the notification unit 260 may further be configured to acquire measurement information from the storage unit 280 and notify the user of information such as sensor measurement values indicated by the acquired measurement information.
  • the machining control unit 250 When the machining control unit 250 receives a determination result indicating that an abnormality has occurred from the determination unit 220, the machining control unit 250 operates a stop notification indicating that machining should be stopped or a change notification indicating that the content of the cutting operation should be changed. It is transmitted to the control unit in the machine.
  • the determination unit 220 outputs the determination result and the processing result information received from the result information acquisition unit 234 to the update unit 270.
  • the update unit 270 updates the contents of the databases DB1 and DB2 in the storage unit 350 of the providing device 300 based on the processing result information acquired by the result information acquisition unit 234. For example, the update unit 270 updates the contents of the databases DB1 and DB2 in the storage unit 350 of the providing device 300 based on the processing result information and the determination result in the determination unit 220.
  • the update unit 270 determines whether or not the determination result in the determination unit 220 is correct based on the processing result information, and processes for updating the contents of the databases DB1 and DB2 according to the determination result. I do.
  • the update unit 270 determines whether or not an abnormality actually occurs in the cutting edge based on the machining result information.
  • the update unit 270 indicates that the content of the machining result information is that the cutting edge is defective, or that the amount of wear of the cutting edge and the surface roughness of the machined surface in the work piece are equal to or more than a predetermined value. If it is shown, it is judged that an abnormality has actually occurred in the cutting edge. On the other hand, when the content of the machining result information indicates that there is no chipping of the cutting edge and the amount of wear of the cutting edge and the surface roughness of the machined surface in the work piece are less than a predetermined value, the updating unit 270 indicates that the cutting edge is not damaged. It is judged that no abnormality has actually occurred in the cutting edge.
  • the determination unit 220 determines. Judge that the result is correct. Further, when the update unit 270 receives a determination result indicating that no abnormality has occurred from the determination unit 220 and determines that no abnormality has actually occurred in the cutting edge, the update unit 270 determines that no abnormality has occurred. It is determined that the determination result in 220 is correct.
  • the update unit 270 when the update unit 270 receives a determination result indicating that an abnormality has occurred from the determination unit 220 and determines that no abnormality has actually occurred in the cutting edge, the determination unit 220 causes the determination unit 220. It is judged that the judgment result is not correct. In this case, the update unit 270 provides a change instruction via the communication unit 210 and the network 301 to indicate that at least one of the threshold coefficient Ck in the database DB1 and the threshold coefficient Wk in the database DB2 should be changed to a larger value. Send to 300.
  • the update unit 270 when the update unit 270 receives a determination result indicating that no abnormality has occurred from the determination unit 220 and determines that an abnormality has actually occurred in the cutting edge, the determination unit 220 Judge that the judgment result in is not correct. In this case, the update unit 270 provides a change instruction via the communication unit 210 and the network 301 to indicate that at least one of the threshold coefficient Ck in the database DB1 and the threshold coefficient Wk in the database DB2 should be changed to a smaller value. Send to 300.
  • the type information acquisition unit 233 receives the read information Rc from the communication unit 210, and the read information Rc received is based on the corresponding information Tc in the storage unit 280.
  • the model number information Mc is generated by specifying the model number of the cutting insert 1 shown, the present invention is not limited to this.
  • the type information acquisition unit 233 receives the read information Rc from the machine side information acquisition unit 235, and specifies the model number of the cutting insert 1 indicated by the received read information Rc based on the corresponding information Tc, thereby specifying the model number information Mc. May be configured to generate. More specifically, the bar code reader in the machine tool reads the two-dimensional bar code Bc of the cutting insert 1 attached to the cutting tool 100 used for the cutting process before the start of the cutting process. The machine side information acquisition unit 235 acquires the reading information Rc indicating the reading result of the two-dimensional bar code Bc from the control unit in the machine tool, and outputs the acquired reading information Rc to the type information acquisition unit 233.
  • the type information acquisition unit 233 receives the read information Rc from the input reception unit 240 and generates the model number information Mc by specifying the model number of the cutting insert 1 indicated by the received read information Rc based on the corresponding information Tc. It may be configured to be used. More specifically, before the start of cutting, the user reads the two-dimensional bar code Bc of the cutting insert 1 attached to the cutting tool 100 used for cutting by using a bar code reader, and reads the reading result. The information Rc is input to the input receiving unit 240 of the analyzer 200. The input reception unit 240 outputs the read information Rc received from the user to the type information acquisition unit 233.
  • the type information acquisition unit 233 may be configured to receive the model number information Mc from the input reception unit 240. More specifically, before the start of the cutting process, the user inputs model number information Mc indicating the model number of the cutting insert 1 attached to the cutting tool 100 used for the cutting process to the input receiving unit 240 of the analyzer 200. The input reception unit 240 outputs the model number information Mc received from the user to the type information acquisition unit 233.
  • the type information acquisition unit 233 is configured to receive model number information Ms from the communication unit 210, but the present invention is not limited to this.
  • a bar code reader in a machine tool reads a two-dimensional bar code Bs of a cutting portion 10 in a cutting tool 100 used for cutting before starting cutting.
  • the machine side information acquisition unit 235 acquires the reading information Rs indicating the reading result of the two-dimensional bar code Bs from the control unit in the machine tool, and outputs the acquired reading information Rs to the type information acquisition unit 233.
  • the type information acquisition unit 233 receives the read information Rs from the machine side information acquisition unit 235
  • the model number is specified by specifying the model number of the cutting unit 10 indicated by the received read information Rs based on the corresponding information Ts in the storage unit 280. Generate information Ms.
  • the user reads the two-dimensional bar code Bs of the cutting portion 10 in the cutting tool 100 used for cutting using a bar code reader, and reads the reading information Rs indicating the reading result in the analyzer 200.
  • the input reception unit 240 outputs the read information Rs received from the user to the type information acquisition unit 233.
  • the model number information Ms is specified by specifying the model number of the cutting unit 10 indicated by the received read information Rs based on the corresponding information Ts in the storage unit 280. To generate.
  • the type information acquisition unit 233 may be configured to receive model number information Ms from the input reception unit 240. More specifically, before the start of the cutting process, the user inputs model number information Ms indicating the model number of the cutting unit 10 attached to the cutting tool 100 used for the cutting process to the input receiving unit 240 of the analyzer 200. The input reception unit 240 outputs the model number information Ms received from the user to the type information acquisition unit 233.
  • the machine side information acquisition unit 235 is configured to acquire control information from the control unit in the machine tool, but the present invention is not limited to this.
  • the machine-side information acquisition unit 235 may be configured to receive control information from the input reception unit 240. More specifically, the user inputs control information such as an NC program to the input receiving unit 240 of the analyzer 200 before starting the cutting process.
  • the input reception unit 240 outputs the control information received from the user to the machine side information acquisition unit 235.
  • the type information acquisition unit 233 receives the read information Rw from the machine side information acquisition unit 235, and receives the read information Tw based on the corresponding information Tw in the storage unit 280.
  • the model number information Mw is generated by specifying the model number of the work piece indicated by the information Rw, the present invention is not limited to this.
  • the type information acquisition unit 233 receives the read information Rw from the input reception unit 240, and generates the model number information Mw by specifying the model number of the work piece indicated by the received read information Rw based on the corresponding information Tw. It may be configured to be used. More specifically, before the start of the cutting process, the user reads the two-dimensional bar code Bw of the work piece using a bar code reader, and inputs the reading information Rw indicating the reading result to the input receiving unit 240 in the analyzer 200. Enter in. The input reception unit 240 outputs the read information Rw received from the user to the type information acquisition unit 233.
  • the type information acquisition unit 233 may be configured to receive model number information Mw from the input reception unit 240. More specifically, before the start of the cutting process, the user inputs the model number information Mw indicating the model number of the work piece into the input receiving unit 240 of the analyzer 200. The input reception unit 240 outputs the model number information Mw received from the user to the type information acquisition unit 233.
  • the result information acquisition unit 234 is configured to receive the processing result information from the machine side information acquisition unit 235, but the present invention is not limited to this.
  • the result information acquisition unit 234 may be configured to receive processing result information from the input reception unit 240. More specifically, after the cutting process is completed, the user measures the surface roughness of the machined surface in the work piece, the presence or absence of a chipped cutting edge, and the amount of wear by using various sensors such as a surface roughness sensor. .. The user inputs the processing result information indicating the measurement result into the input receiving unit 240 of the analyzer 200. The input reception unit 240 outputs the processing result information received from the user to the result information acquisition unit 234.
  • the determination unit 220 is configured to receive the protrusion information from the input reception unit 240, but the present invention is not limited to this.
  • the determination unit 220 may be configured to receive protrusion information from the machine side information acquisition unit 235. More specifically, a side length sensor (not shown) in a machine tool measures the protrusion amount L before the start of cutting. The machine side information acquisition unit 235 acquires the protrusion information indicating the measurement result of the protrusion amount L by the side length sensor from the control unit of the machine tool, and outputs the acquired protrusion information to the determination unit 220.
  • a side length sensor (not shown) in a machine tool measures the protrusion amount L before the start of cutting.
  • the machine side information acquisition unit 235 acquires the protrusion information indicating the measurement result of the protrusion amount L by the side length sensor from the control unit of the machine tool, and outputs the acquired protrusion information to the determination unit 220.
  • the determination unit 220 may be configured to receive protrusion information from the communication unit 210. More specifically, when the detection unit 26 in the sensor module 20 detects that its own cutting tool 100 has been fixed by the tool post 50 before the start of cutting, for example, based on information from various sensors, the amount of protrusion L is measured, and the protrusion information indicating the measurement result of the protrusion amount L is output to the processing unit 23. When the processing unit 23 receives the protrusion information from the detection unit 26, the processing unit 23 generates a protrusion information packet which is a packet in which the received protrusion information is stored, and analyzes the generated protrusion information packet via the communication unit 24 and the wireless master unit 201. It transmits to the device 200.
  • the communication unit 210 in the analyzer 200 receives the protrusion information packet from the cutting tool 100 via the wireless master unit 201, it acquires the protrusion information from the received protrusion information packet and outputs the acquired protrusion information to the determination unit 220.
  • the cutting information acquisition unit 232 is configured to receive cutting information including a threshold value from the providing device 300 via the network 301 and the communication unit 210. It is not limited to.
  • the cutting information acquisition unit 232 may be configured to receive cutting information from the input reception unit 240. More specifically, the user determines and determines the threshold value corresponding to the model number of the cutting insert 1 and the model number of the work piece by accessing the databases DB1 and DB2 in the providing apparatus 300 before the start of the cutting process. The threshold value is input to the input receiving unit 240. The input receiving unit 240 outputs the cutting information including the threshold value received from the user to the cutting information acquisition unit 232.
  • Each device in the tool system according to the embodiment of the present disclosure includes a computer including a memory, and an arithmetic processing unit such as a CPU in the computer includes a program including a part or all of each step of the following flowchart and sequence. Read from the memory and execute. The programs of these plurality of devices can be installed from the outside. The programs of these plurality of devices are distributed in a state of being stored in a recording medium.
  • FIG. 9 is a flowchart defining an example of an operation procedure when the analyzer in the tool system according to the embodiment of the present disclosure determines the state of the cutting edge.
  • the analyzer 200 establishes a communication connection with the cutting tool 100 (step S102).
  • the analyzer 200 acquires type information including information indicating the type of the work material and information indicating the type of the cutting edge. More specifically, the analyzer 200 acquires type information including model number information Mc indicating the model number of the cutting insert 1, model number information Mw indicating the model number of the work piece, and model number information Ms indicating the model number of the cutting portion 10. (Step S104).
  • the analyzer 200 acquires cutting information including information on the work material and information on the cutting edge corresponding to the type indicated by the acquired type information. More specifically, the analyzer 200 acquires cutting information including the thresholds determined by using the threshold coefficients Ck and Wk corresponding to the model number information Mc and Mw indicated by the type information from the providing device 300 (step S106).
  • the analyzer 200 acquires control information used for controlling the cutting operation using the cutting tool 100 from the control unit in the machine tool (step S108).
  • the analyzer 200 receives the sensor packet via the wireless master unit 201 after the start of the cutting process, and acquires the measurement information from the received sensor packet (step S110).
  • the analyzer 200 determines the state of the cutting edge based on the measurement information, the cutting information, and the control information (step S112).
  • the analyzer 200 notifies the user of the determination result by displaying or by voice. For example, when the analyzer 200 determines that an abnormality has occurred in the cutting edge, the analyzer 200 displays the determination result or notifies the user by voice (step S114).
  • the analyzer 200 acquires the processing result information regarding the result of the cutting process using the cutting tool 100 from the control unit of the machine tool, and the determination result is determined based on the acquired processing result information. It is determined whether or not it is correct (step S116).
  • step S118 when the analyzer 200 determines that the determination result is incorrect (NO in step S118), the analyzer 200 updates the contents of the databases DB1 and DB2 in the providing apparatus 300 (step S120).
  • FIG. 10 is a diagram showing an example of a sequence of determination processing in the tool system according to the embodiment of the present disclosure.
  • the sensor module 20 in the cutting tool 100 is activated, and each circuit in the sensor module 20 such as the acceleration sensor 21, the strain sensor 22, and the processing unit 23 and the communication unit 24 is activated (step S202). ).
  • step S204 the analyzer 200 and the cutting tool 100 establish a communication connection.
  • the cutting tool 100 transmits an identification packet containing the model number information Ms indicating the model number of the cutting unit 10 and the reading information Rc indicating the reading result of the two-dimensional bar code Bc of the cutting insert 1 to the analyzer 200. (Step S206).
  • the analyzer 200 acquires the reading information Rw indicating the reading result of the two-dimensional bar code Bw of the work object from the control unit in the machine tool (step S208).
  • the analyzer 200 includes model number information Mc indicating the model number of the cutting insert 1 specified based on the reading information Rc, and model number information Mw indicating the model number of the work piece specified based on the reading information Rw.
  • the specific information is transmitted to the providing device 300 (step S210).
  • the providing device 300 when the providing device 300 receives the specific information from the analyzer 200, the providing device 300 acquires the threshold value Ck and Wk corresponding to the model number information Mc and Mw indicated by the received specific information from the databases DB1 and DB2, respectively, and the threshold value coefficient Ck. , Wk and the reference threshold Th. Then, the providing device 300 transmits the cutting information including the determined threshold value to the analyzer 200 (step S212).
  • the analyzer 200 acquires control information used for controlling the cutting operation using the cutting tool 100 from the control unit in the machine tool (step S214).
  • the cutting tool 100 transmits a sensor packet containing measurement information regarding the measurement result of the sensor to the analyzer 200 after the start of the cutting process (step S216).
  • the analyzer 200 determines the state of the cutting edge based on the measurement information, the cutting information, and the control information (step S218).
  • the analyzer 200 acquires the processing result information regarding the result of the cutting process using the cutting tool 100 from the control unit in the machine tool (step S220).
  • the analyzer 200 provides a change instruction indicating that the threshold coefficient Ck in the database DB1 and the threshold coefficient Wk in the database DB2 should be changed when the determination result is determined to be incorrect based on the processing result information. It is transmitted to 300 (step S222).
  • the providing device 300 updates the databases DB1 and DB2 according to the change instruction received from the analyzer 200 (step S224).
  • the cutting tool 100 is configured to transmit a sensor packet to the analyzer 200 via the wireless master unit 201, but the present invention is not limited to this.
  • the cutting tool 100 may be configured to transmit a sensor packet to the analyzer 200 via a wired transmission line. That is, the communication unit 24 in the sensor module 20 of the cutting tool 100 may be configured to transmit the sensor packet in which the measurement information is stored to the analyzer 200 via the wired transmission line.
  • the cutting information acquisition unit 232 generates and generates specific information including model number information Mc, Mw, Ms indicated by the type information received from the type information acquisition unit 233.
  • the configuration is such that cutting information including a threshold value determined based on the transmitted specific information is acquired by transmitting the specified information to the providing device 300 via the communication unit 210, but the present invention is not limited to this. ..
  • the cutting information acquisition unit 232 may be configured to receive cutting information including a threshold value determined by the user from the input receiving unit 240. In this case, the analyzer 200 may be configured not to include the type information acquisition unit 233.
  • the determination unit 220 is configured to determine the state of the cutting edge based on the measurement information, the cutting information, the control information, and the protrusion information. It is not limited to.
  • the determination unit 220 may be configured to determine the state of the cutting edge based on the measurement information and the cutting information without using at least one of the control information and the protrusion information.
  • the analyzer 200 is configured to include an update unit 270 for updating the contents of the databases DB1 and DB2 in the providing device 300, but the present invention is not limited to this.
  • the analyzer 200 may be configured not to include the update unit 270. In this case, the analyzer 200 may be configured not to include the result information acquisition unit 234.
  • the cutting information acquisition unit 232 is configured to acquire information on the threshold value used for determining the abnormality of the cutting edge as cutting information, but the present invention is limited to this. It's not a thing.
  • the cutting information acquisition unit 232 may be configured to acquire, for example, information on characteristics such as the hardness of the work material and characteristics such as the hardness of the cutting edge as cutting information.
  • the determination unit 220 receives information on the characteristics such as the hardness of the work material and the characteristics such as the hardness of the cutting edge from the cutting information acquisition unit 232, and the measurement information is based on the received information.
  • the indicated sensor measurement value is corrected, and the state of the cutting edge is determined based on the corrected sensor measurement value.
  • the measurement result of the sensor provided on the cutting tool 100 is affected by the characteristics of the work material, the characteristics of the cutting edge, and the like. Therefore, it is difficult to make an accurate determination with a configuration in which the state of the cutting edge is determined based only on the measurement result of the sensor provided on the cutting tool 100.
  • the measurement information acquisition unit 231 acquires measurement information which is information related to the measurement result of the sensor provided in the cutting tool 100.
  • the cutting information acquisition unit 232 acquires cutting information including at least one of information on a work material to be machined using the cutting tool 100 and information on a cutting edge.
  • the determination unit 220 determines the state of the cutting edge based on the measurement information acquired by the measurement information acquisition unit 231 and the cutting information acquired by the cutting information acquisition unit 232.
  • the analysis method according to the embodiment of the present disclosure is a determination method in the analyzer 200 for determining the state of the cutting edge in the cutting tool 100.
  • the analyzer 200 acquires measurement information which is information regarding the measurement result of the sensor provided in the cutting tool 100.
  • the analyzer 200 acquires cutting information including at least one of information on the work material to be machined using the cutting tool 100 and information on the cutting edge.
  • the analyzer 200 determines the state of the cutting edge based on the acquired measurement information and cutting information.
  • the characteristics of the work material and the cutting edge can be determined by a configuration and a method for determining the state of the cutting edge based on the cutting information including at least one of the information about the work material and the information about the cutting edge and the measurement information.
  • the state of the cutting edge can be determined in consideration of the influence of the characteristics of the above on the measurement result of the sensor.
  • the state of the cutting edge in the cutting tool can be determined more accurately.
  • the storage unit 350 stores at least one of the databases DB1 and DB2 of the information about the work material to be cut and the information about the cutting edge used for the cutting. ..
  • the acquisition unit 320 acquires specific information including at least one of information for specifying a work material to be machined using the cutting tool 100 and information for specifying a cutting edge in the cutting tool 100.
  • the providing unit 330 provides the analyzer 200 with cutting information including information in the databases DB1 and DB2 and corresponding to the specific information acquired by the acquiring unit 320.
  • the providing method is the providing method in the providing device 300 that provides information to the analyzer 200 that determines the state of the cutting edge in the cutting tool 100.
  • the providing device 300 includes a storage unit 350 that stores at least one of the databases DB1 and DB2 of the information about the work material to be cut and the information about the cutting edge used for the cutting.
  • the providing device 300 uses at least one of information for identifying a work material to be machined using the cutting tool 100 and information for identifying a cutting edge in the cutting tool 100. Get certain specific information.
  • the providing device 300 provides the information in the databases DB1 and DB2, which corresponds to the acquired specific information, to the analyzer 200 as cutting information.
  • At least one of the information about the work material and the information about the cutting edge is obtained from the database.
  • the influence of the characteristics of the work material and the characteristics of the cutting edge on the measurement result of the sensor is taken into consideration. The state can be determined.
  • the state of the cutting edge in the cutting tool can be determined more accurately.
  • An analyzer that determines the state of the cutting edge of a cutting tool.
  • a measurement information acquisition unit that acquires measurement information that is information related to the measurement results of the sensor provided on the cutting tool, and a measurement information acquisition unit.
  • a cutting information acquisition unit that acquires cutting information including at least one of information on a work material to be machined using the cutting tool and information on the cutting edge.
  • a determination unit for determining the state of the cutting edge based on the measurement information acquired by the measurement information acquisition unit and the cutting information acquired by the cutting information acquisition unit is provided.
  • the measurement information acquisition unit, the cutting information acquisition unit, and the determination unit are analyzers realized by a processor.
  • An analyzer that determines the state of the cutting edge of a cutting tool.
  • a measurement information acquisition unit that acquires measurement information that is information related to the measurement results of the sensor provided on the cutting tool, and a measurement information acquisition unit.
  • a cutting information acquisition unit that acquires cutting information including at least one of information on a work material to be machined using the cutting tool and information on the cutting edge.
  • a determination unit for determining the state of the cutting edge based on the measurement information acquired by the measurement information acquisition unit and the cutting information acquired by the cutting information acquisition unit is provided.
  • the analyzer further A type information acquisition unit for acquiring type information including at least one of information indicating the type of the work material and information indicating the type of the cutting edge is provided.
  • the cutting information acquisition unit acquires the cutting information corresponding to the type indicated by the type information acquired by the type information acquisition unit.
  • the type information acquisition unit includes reading information including at least one of a two-dimensional bar code reading result indicating the model number of the cutting insert having the cutting edge and a two-dimensional bar code reading result indicating the model number of the work material.
  • An analyzer that acquires the type information and generates the type information based on the acquired read information.
  • a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool.
  • a storage unit that stores a database of at least one of information about the work material to be machined and information about the cutting edge used for cutting.
  • An acquisition unit that acquires specific information including at least one of information for specifying a work material to be machined using the cutting tool and information for specifying the cutting edge in the cutting tool. It is provided with a providing unit that provides cutting information including information in the database and corresponding to the specific information acquired by the acquiring unit to the analyzer.
  • the storage unit is a non-volatile memory.
  • the acquisition unit and the providing unit are providing devices realized by a processor.
  • a providing device that provides information to an analyzer that determines the state of a cutting edge in a cutting tool.
  • a storage unit that stores a database of at least one of information about the work material to be machined and information about the cutting edge used for cutting.
  • An acquisition unit that acquires specific information including at least one of information for specifying a work material to be machined using the cutting tool and information for specifying the cutting edge in the cutting tool. It is provided with a providing unit that provides cutting information including information in the database and corresponding to the specific information acquired by the acquiring unit to the analyzer.
  • the providing device further includes an updating unit that updates the contents of the database based on the determination result of the state of the cutting edge in the analyzing device.
  • Cutting insert 3A Fixing member 3B Fixing member 10
  • Sensor module 21 Acceleration sensor 22 Strain sensor 23 Processing part 24 Communication part 25 Storage part 26
  • Detection part 29 Battery 50
  • Cutting tool stand 100
  • Cutting tool 200 Analyzer 201
  • Communication unit 220 Judgment unit 231 Measurement information acquisition unit 232
  • Type information acquisition unit 234 Result information acquisition unit 235
  • Machine side information acquisition unit 240
  • Processing control unit 260 Notification unit
  • Notification unit 270 Update unit 280
  • Storage unit 300
  • Providing device 301
  • Communication unit 320 Acquisition unit 330
  • Providing unit 340 Update unit 350
  • Tool system 401
  • Sensor packet Bs Two-dimensional bar code L Overhang amount

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