Patents by Inventor Nobuyuki Sumi
Nobuyuki Sumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210248834Abstract: A display system displays the progress of processing in an additive manufacturing device. The additive manufacturing device manufactures an object with a three-dimensional shape by processing of adding material on the basis of CAD data that is design data. The display system includes an obtaining unit to obtain position data that indicates the present position of a processing point where the processing is performed. The display system includes a display unit to display a trace of the processing point superimposed over the three-dimensional shape based on the design data.Type: ApplicationFiled: October 18, 2018Publication date: August 12, 2021Applicant: Mitsubishi Electric CorporationInventors: Nobuyuki SUMI, Shun KAYASHIMA, Kenji IRIGUCHI, Seiji UOZUMI
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Publication number: 20210245252Abstract: A numerical control device controls an additive manufacturing apparatus that manufactures a modeled object by irradiating a wire, which is a material fed by a driving force of a rotary motor, which is a driving unit, with a beam, and applying the molten material to a workpiece. The numerical control device includes an error detecting unit that detects an error in the height of the workpiece in the height direction in which the material is deposited. The numerical control device includes a condition adjusting unit, which is an adjustment unit that adjusts the supply amount of the material on the basis of the error.Type: ApplicationFiled: October 22, 2018Publication date: August 12, 2021Applicant: Mitsubishi Electric CorporationInventors: Shun KAYASHIMA, Nobuyuki SUMI, Kenji IRIGUCHI, Seiji UOZUMI
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Publication number: 20210240171Abstract: A process decision support device includes: a machining performance data storage unit that stores machining performance data indicating machining performance of each of a plurality of machining devices including a machining device that adds material and a machining device that removes material; a process pattern generation unit that refers to the machining performance data and sequences and allocates machining steps performed by a combination of any of the plurality of machining devices to generate a process pattern as a combination of the machining steps with which a product is manufacturable; and an output unit that outputs content of the process pattern generated by the process pattern generation unit.Type: ApplicationFiled: June 7, 2018Publication date: August 5, 2021Applicant: Mitsubishi Electric CorporationInventors: Nobuyuki SUMI, Shun KAYASHIMA, Kenji IRIGUCHI, Seiji UOZUMI
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Patent number: 10744599Abstract: A deposition condition control device includes: a machining program analyzing unit that obtains a scan rate of a laser beam; a data acquiring unit that acquires an output value of the laser beam, a supply amount of the metal material, and a temperature of the portion to be machined in a molten state; a welding state determination unit that determines whether or not a welding state of the metal material is a stable welding amount state on the basis of the scan rate, the output value, the supply amount, and the temperature; a deposition condition adjusting unit that adjusts the output value and the supply amount so that a result of the determination will be the stable welding amount state; and a deposition condition outputting unit that outputs a command value of the adjusted output value and a command value of the adjusted supply amount to the machine tool.Type: GrantFiled: July 30, 2018Date of Patent: August 18, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Seiji Uozumi, Shun Kayashima, Nobuyuki Sumi
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Patent number: 10702919Abstract: Obtaining a powder for metallurgy capable of improving a filling rate in a mold or on a table in powder metallurgy. The powder for metallurgy includes a plurality of secondary particles obtained by combining a plurality of primary particles with a binder. The characteristics of the powder for metallurgy is any one of that the plurality of primary particles includes first primary particles and second primary particles having different shapes from each other, that the second primary particle enters a gap between the first primary particles, that the plurality of primary particles includes first primary particles and second primary particles having different peaks of particle sizes from each other in a particle size distribution, or that the plurality of secondary particles includes first secondary particles and second secondary particles having different peaks of particle sizes from each other in a particle size distribution.Type: GrantFiled: December 28, 2016Date of Patent: July 7, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Nobuyuki Sumi, Hidetaka Katogi
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Patent number: 10705510Abstract: An additive manufacturing support device includes reading circuitry that reads shaped article data that is data indicating the three-dimensional shape of a shaped article, first generating circuitry that generates primary data that is data indicating the three-dimensional shape of a primary separated portion provided in a region where a cutting part of a cutting apparatus passes between the plate and the shaped article, and second generating circuitry that generates, based on a machining allowance between the cutting part and an object to be cut in a process in which the cutting part passes between the plate and the shaped article, secondary data for reducing change in the machining allowance.Type: GrantFiled: December 28, 2016Date of Patent: July 7, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hidetaka Katogi, Nobuyuki Sumi
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Patent number: 10577695Abstract: A method for manufacturing a discharge surface treatment electrode includes: a first laying of laying powder particles to form a first powder layer; and a first binding of binding some of the powder particles in the first powder layer to each other. The method further includes: a second laying of further laying the powder particles on the first powder layer in which some of the powder particles are bound to each other to form a second powder layer; and a second binding of binding some of the powder particles in the second powder layer to each other to form a stacked body of granulated particles. A region having a different porosity from another region is formed inside the stacked body.Type: GrantFiled: December 28, 2016Date of Patent: March 3, 2020Assignee: Mitsubishi Electric CorporationInventors: Hidetaka Katogi, Nobuyuki Sumi, Yoshikazu Nakano
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Publication number: 20200030915Abstract: A deposition condition control device includes: a machining program analyzing unit that obtains a scan rate of a laser beam; a data acquiring unit that acquires an output value of the laser beam, a supply amount of the metal material, and a temperature of the portion to be machined in a molten state; a welding state determination unit that determines whether or not a welding state of the metal material is a stable welding amount state on the basis of the scan rate, the output value, the supply amount, and the temperature; a deposition condition adjusting unit that adjusts the output value and the supply amount so that a result of the determination will be the stable welding amount state; and a deposition condition outputting unit that outputs a command value of the adjusted output value and a command value of the adjusted supply amount to the machine tool.Type: ApplicationFiled: July 30, 2018Publication date: January 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Seiji UOZUMI, Shun KAYASHIMA, Nobuyuki SUMI
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Publication number: 20190351509Abstract: An additive manufacturing apparatus performs additive machining by controlling a machining head that includes a wire nozzle to feed a wire to a machining region on a surface of a base material, a beam source capable of emitting a beam to an end of the wire, and a gas nozzle placed such that the beam source is interposed between the gas nozzle and the wire nozzle, the gas nozzle directing a gas toward the machining region, and the additive manufacturing apparatus includes a machining-condition selection unit to obtain an angle that is formed between a direction in which the wire is fed and a travel direction of the machining head, when viewed in a direction in which the beam is emitted, and to select a machining condition for the additive machining on the basis of the angle.Type: ApplicationFiled: April 12, 2018Publication date: November 21, 2019Applicant: Mitsubishi Electric CorporationInventors: Shun KAYASHIMA, Nobuyuki SUMI, Kenji IRIGUCHI, Seiji UOZUMI
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Publication number: 20190344339Abstract: Obtaining a powder for metallurgy capable of improving a filling rate in a mold or on a table in powder metallurgy. The powder for metallurgy includes a plurality of secondary particles obtained by combining a plurality of primary particles with a binder. The characteristics of the powder for metallurgy is any one of that the plurality of primary particles includes first primary particles and second primary particles having different shapes from each other, that the second primary particle enters a gap between the first primary particles, that the plurality of primary particles includes first primary particles and second primary particles having different peaks of particle sizes from each other in a particle size distribution, or that the plurality of secondary particles includes first secondary particles and second secondary particles having different peaks of particle sizes from each other in a particle size distribution.Type: ApplicationFiled: December 28, 2016Publication date: November 14, 2019Applicant: Mitsubishi Electric CorporationInventors: Nobuyuki SUMI, Hidetaka KATOGI
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Publication number: 20190243339Abstract: An additive manufacturing support device includes reading circuitry that reads shaped article data that is data indicating the three-dimensional shape of a shaped article, first generating circuitry that generates primary data that is data indicating the three-dimensional shape of a primary separated portion provided in a region where a cutting part of a cutting apparatus passes between the plate and the shaped article, and second generating circuitry that generates, based on a machining allowance between the cutting part and an object to be cut in a process in which the cutting part passes between the plate and the shaped article, secondary data for reducing change in the machining allowance.Type: ApplicationFiled: December 28, 2016Publication date: August 8, 2019Applicant: Mitsubishi Electric CorporationInventors: Hidetaka KATOGI, Nobuyuki SUMI
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Publication number: 20190134728Abstract: A guide unit that stretches a wire electrode and guides the wire electrode to a machinable range section where a workpiece is placed includes: a first wire guide and a second wire guide; a first support element disposed spaced apart between the first and second wire guides and disposed spaced apart from the first wire guide, which determines a passage location of the wire electrode; and a second support element disposed spaced apart from the second wire guide, which determines a passage location of the wire electrode. The first support element has a variable direction relative to the first wire guide, the machinable range section of the wire electrode is formed of a portion stretched between the first and second support elements, and the wire electrode can tilt with respect to the wire electrode supplied from the supply unit.Type: ApplicationFiled: July 7, 2016Publication date: May 9, 2019Applicant: Mitsubishi Electric CorporationInventors: Hidetaka KATOGI, Nobuyuki SUMI
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Publication number: 20180291511Abstract: A method for manufacturing a discharge surface treatment electrode includes: a first laying of laying powder particles to form a first powder layer; and a first binding of binding some of the powder particles in the first powder layer to each other. The method further includes: a second laying of further laying the powder particles on the first powder layer in which some of the powder particles are bound to each other to form a second powder layer; and a second binding of binding some of the powder particles in the second powder layer to each other to form a stacked body of granulated particles. A region having a different porosity from another region is formed inside the stacked body.Type: ApplicationFiled: December 28, 2016Publication date: October 11, 2018Applicant: Mitsubishi Electric CorporationInventors: Hidetaka KATOGI, Nobuyuki SUMI, Yoshikazu NAKANO
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Patent number: 9359682Abstract: A method for forming a surface layer, the purpose thereof is to form a high erosion resistant film. The method for forming a surface layer includes: arranging a member (2) in a machining fluid (3); and forming the surface layer including silicon by spacing a silicon electrode (1) from the member (2) at a predetermined distance, and by supplying silicon component from the silicon electrode (1) to the member side by applying a predetermined voltage and generating electric discharge, and an iron-based metal texture including silicon of 3 to 11 wt % is formed at a thickness of 5 to 10 ?m at a portion to be treated by repetitively generating a electric discharge pulse in which a time integration value of a current value of the electric discharge pulse is in a range of 30 A·?s to 80 A·?s.Type: GrantFiled: April 6, 2015Date of Patent: June 7, 2016Assignee: Mitsubishi Electric CorporationInventors: Akihiro Goto, Nobuyuki Sumi, Yoshikazu Nakano, Hiroyuki Teramoto
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Patent number: 9308546Abstract: A discharge surface treatment apparatus generates a pulsed discharge between poles, that is, between a discharge electrode and a workpiece, and the discharge electrode is obtained by compression-molding of any one of a metal powder, a powder of a metal compound, and a powder of ceramics or a mixture thereof. The apparatus forms a film made of an electrode material or the like on a workpiece surface by thermal energy due to the discharge. The apparatus includes: a capacitor that is connected to any one of the discharge electrode and the workpiece at one end; and a parallel circuit of a resistor and a diode, which is provided between another one of the discharge electrode and the workpiece and another end of the capacitor via a connection line.Type: GrantFiled: June 5, 2012Date of Patent: April 12, 2016Assignee: Mitsubishi Electric CorporationInventors: Yusuke Yasunaga, Akihiro Goto, Hiroyuki Teramoto, Nobuyuki Sumi
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Publication number: 20150211137Abstract: A method for forming a surface layer, the purpose thereof is to form a high erosion resistant film. The method for forming a surface layer includes: arranging a member (2) in a machining fluid (3); and forming the surface layer including silicon by spacing a silicon electrode (1) from the member (2) at a predetermined distance, and by supplying silicon component from the silicon electrode (1) to the member side by applying a predetermined voltage and generating electric discharge, and an iron-based metal texture including silicon of 3 to 11 wt % is formed at a thickness of 5 to 10 ?m at a portion to be treated by repetitively generating a electric discharge pulse in which a time integration value of a current value of the electric discharge pulse is in a range of 30 A·?s to 80 A·?s.Type: ApplicationFiled: April 6, 2015Publication date: July 30, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Akihiro GOTO, Nobuyuki SUMI, Yoshikazu NAKANO, Hiroyuki TERAMOTO
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Publication number: 20150165539Abstract: Using electrical discharge surface treatment of moving an electrode material to a work piece by repeatedly generating pulsed electrical discharge between an electrode for electrical discharge surface treatment (1) containing Si as a main component and a work piece (2) surface in order to form a surface layer excellent in an anti-corrosion property and an anti-erosion property which is useful in applications to anti-corrosion and anti-erosion parts, a surface layer formed with an amorphous structure, in which an Si component is contained in a range of 3 to 11 wt % and which has a thickness of 5 to 10 ?m, is formed on the work piece (2) surface.Type: ApplicationFiled: February 23, 2015Publication date: June 18, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Akihiro GOTO, Hiroyuki TERAMOTO, Nobuyuki SUMI, Yusuke YASUNAGA, Yoshikazu NAKANO
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Publication number: 20130319324Abstract: A discharge surface treatment apparatus generates a pulsed discharge between poles, that is, between a discharge electrode and a workpiece, and the discharge electrode is obtained by compression-molding of any one of a metal powder, a powder of a metal compound, and a powder of ceramics or a mixture thereof. The apparatus forms a film made of an electrode material or the like on a workpiece surface by thermal energy due to the discharge. The apparatus includes: a capacitor that is connected to any one of the discharge electrode and the workpiece at one end; and a parallel circuit of a resistor and a diode, which is provided between another one of the discharge electrode and the workpiece and another end of the capacitor via a connection line.Type: ApplicationFiled: June 5, 2012Publication date: December 5, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yusuke Yasunaga, Akihiro Goto, Hiroyuki Teramoto, Nobuyuki Sumi
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Publication number: 20130292612Abstract: An electrode for electric-discharge surface treatment, which is used in the electric-discharge surface treatment in which pulsed electric discharge is generated between the electrode and a base material in a machining fluid or in the air by using a green compact, which is formed by compressing powder of an electrode material, as the electrode, and by using energy of the electric discharge, a coating including the electrode material or a reaction product of the electrode material reacted by the electric discharge energy is formed on a surface of a base material, wherein a mixture of Si powder having an average particle diameter of not less than 0.3 ?m and not more than 10 ?m and hard material powder having an average particle diameter of not less than 0.3 ?m and not more than 10 ?m is used as the electrode material.Type: ApplicationFiled: November 22, 2011Publication date: November 7, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Nobuyuki Sumi, Akihiro Goto, Hiroyuki Teramoto, Yusuke Yasunaga, Yoshikazu Nakano
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Publication number: 20130209705Abstract: There is an electrical discharge surface treatment method of forming a surface layer on a work piece surface by making pulsed electrical discharge repeatedly occur between a work piece (2) and an electrode (1) for electrical discharge surface treatment, for which a compact formed by powder obtained by mixing 20 wt % or more of silicon with powder of a hard material or a solid body of silicon is used, so that the electrode material is moved to the work piece (2), including: a processing time decision step of observing an electrical discharge treatment surface formed on the work piece surface by the electrical discharge and deciding the electrical discharge surface treatment end time in a process where surface roughness formed by the electrical discharge on the electrical discharge treatment surface acquired from the observation result is increased and is then decreased.Type: ApplicationFiled: September 16, 2010Publication date: August 15, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Akihiro Goto, Nobuyuki Sumi, Yusuke Yasunaga, Hiroyuki Teramoto