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公开(公告)号：US12204324B2
公开(公告)日：2025-01-21
申请号：US17293352
申请日：2019-12-17
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Kouji Funabashi , Yusuke Masato , Taketoshi Fukumura , Eiji Doba
Abstract: A predictive maintenance device for an industrial machine includes a determination model and a processor. The determination model has been trained by machine learning to output a possibility of an abnormality for each of a plurality of components by inputting state data. The state data indicates a state of a drive system of the industrial machine. The plurality of components are included in the drive system. The plurality of components are connected to each other so as to operate in conjunction with each other. The processor acquires the state data. The processor acquires the possibility of the abnormality in each of the plurality of components from the state data by using the determination model. The processor determines the component to be maintained from the plurality of components based on the possibility of the abnormality.
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公开(公告)号：US20240351145A1
公开(公告)日：2024-10-24
申请号：US18685381
申请日：2022-08-03
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Yoshihiro YAMAGUCHI , Nobuhiro TAKATA , Shigeru NOZAKI
IPC: B23K26/70
CPC classification number: B23K26/702
Abstract: A laser head emits a laser beam. A liquid tank includes containers separated from each other so as to be capable of individually storing a transmission inhibition liquid. Each of the containers is capable of supporting workpieces to be processed by the laser head. Each of the containers individually includes a liquid level adjustment mechanism, and the liquid level of the transmission inhibition liquid in each of the containers is independently adjusted.
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公开(公告)号：US20240238906A1
公开(公告)日：2024-07-18
申请号：US18559186
申请日：2022-07-08
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Yoshihiro YAMAGUCHI , Hikaru NISHIKAWA , Koji MASAUJI
IPC: B23K26/38 , B23K26/142 , B23K26/16
CPC classification number: B23K26/38 , B23K26/142 , B23K26/16
Abstract: A laser blanking device includes a machining room, a laser head movable in first and second orthogonal directions, a trap part movable with the laser head in the first direction, a trap hopper disposed on a side of a first lateral surface of the machining room to trap dust produced by cutting, and a suction part connected to the trap hopper to suck the dust moved from the trap part to the trap hopper. The trap part includes a box part with a first opening and an opening end, and a first air stream generating part that generates streams of air inside the box part such that the streams of air flow toward the opening end. The first opening is opposed to the laser head and arranged along the second direction. The opening end is provided with a second opening opened toward the trap hopper.
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公开(公告)号：US11766751B2
公开(公告)日：2023-09-26
申请号：US16603365
申请日：2018-04-18
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Youichirou Shimizu , Takayuki Saisu
CPC classification number: B23Q1/44 , B23K26/127 , B23K26/706 , B23K37/04 , B65G47/80 , B23K26/36
Abstract: Provided is a laser machine which achieves an enhanced durability against laser beam irradiation. A workpiece transfer device for carrying a workpiece into and out of a workpiece machining chamber, has a turntable device and a partition wall. The partition wall is secured to the top surface of the turntable device, partitioning the top surface of the turntable device into a plurality of workpiece mounting tables on which workpieces can be mounted. The partition wall has: a first plate forming one surface of the partition wall and formed of aluminum alloy; a second plate forming the other surface of the partition wall and formed of aluminum alloy; and a frame for securing the first plate and the second plate in a spaced apart relationship.
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公开(公告)号：US20220124902A1
公开(公告)日：2022-04-21
申请号：US17396002
申请日：2021-08-06
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Yoshihiro YAMAGUCHI , Nobuhiro TAKATA
Abstract: A plasma torch includes an electrode, a center pipe, and a coolant passage. The electrode includes an internal passage, a tip portion, a convex portion, and an electrode insert. The center pipe is at least partially arranged in the internal passage of the electrode. The center pipe includes first and second pipe ends. The coolant passage first, second, third, and fourth passages. A coolant flows from the first passage through the second passage and the third passage to the fourth passage. At least a part of the convex portion is arranged in the center pipe. The inner surface of the center pipe includes a first inclined surface having a diameter that decreases toward a distal direction. The distal direction is a direction extending from the second pipe end to the first pipe end. The first inclined surface extends toward the root portion of the convex portion.
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Patent Agency Ranking
公开(公告)号：US11235545B2
公开(公告)日：2022-02-01
申请号：US16343824
申请日：2017-12-04
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Takahiko Kurokawa
Abstract: A press system includes: a press device configured to perform press working on a workpiece; a detection device configured to detect a press load applied for the press working by the press device; a number acquisition device configured to acquire a number of cycles of press loading, for each section of a plurality of sections into which a press loading region over a total length of a slide stroke is divided; a stress calculation device configured to calculate a stress applied to the press device, the stress corresponding to the press load for each section of the press loading region; and a degree-of-fatigue calculation device configured to calculate a degree of fatigue of the press device, based on respective stresses applied to the press device and respective numbers of cycles of press loading, for the plurality of sections of the press loading region.
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公开(公告)号：US11077479B2
公开(公告)日：2021-08-03
申请号：US16348693
申请日：2017-11-01
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Takashi Moriyasu , Masaaki Kashiwa
Abstract: A pressing device is capable of selectively pressing either a coiled material or a sheet material. The pressing device includes a pair of bars and a first retracting mechanism. Each bar includes a holding section capable of holding the sheet material, a first end section separably linked to the holding section on an upstream side of the holding section along a conveyance direction of a material, and a second end section separably linked to the holding section on a downstream side of the holding section along the conveyance direction. The first retracting mechanism is configured to move the first end sections to an upper first retracted position during the pressing of the coiled material.
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公开(公告)号：US20210086318A1
公开(公告)日：2021-03-25
申请号：US16603365
申请日：2018-04-18
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Youichirou SHIMIZU , Takayuki SAISU
Abstract: Provided is a laser machine which achieves an enhanced durability against laser beam irradiation. A workpiece transfer device for carrying a workpiece into and out of a workpiece machining chamber, has a turntable device and a partition wall. The partition wall is secured to the top surface of the turntable device, partitioning the top surface of the turntable device into a plurality of workpiece mounting tables on which workpieces can be mounted. The partition wall has: a first plate forming one surface of the partition wall and formed of aluminum alloy; a second plate forming the other surface of the partition wall and formed of aluminum alloy; and a frame for securing the first plate and the second plate in a spaced apart relationship.
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公开(公告)号：US10702909B2
公开(公告)日：2020-07-07
申请号：US16337947
申请日：2017-12-01
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Hidetoshi Akashi , Shigenori Sano
Abstract: A workpiece conveyance device is used for a press device. The workpiece conveyance device includes a support component, first and second moving members, a driver, and a transmission mechanism. The support component supports a holder that detachably holds a workpiece. The first moving member pivotably supports the support component. The first and second moving members are movable in the up and down direction. The driver moves the second moving member in the up and down direction. The transmission mechanism transmits an up and down movement of the second moving member to the first moving member so as to move the first moving member in the up and down direction in conjunction with the up and down movement of the second moving member. The transmission mechanism causes an amount of movement of the first moving member to be greater than an amount of movement of the second moving member.
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10.发明申请公开(公告)号：US20200061949A1
公开(公告)日：2020-02-27
申请号：US16462607
申请日：2018-01-23
Applicant: KOMATSU INDUSTRIES CORPORATION
Inventor： Masayuki OKAMOTO , Kiichiro KAWAMOTO , Hisanori TAKEUCHI , Yuto ECHIGO
Abstract: A motion generation device generates motion of a slide in a press device configured to perform press molding by driving the slide up and down using a servo motor as a drive source. The motion generation device includes an acquisition component and a second motion generator. The acquisition component acquires data related to a change in a load exerted on the slide in press molding using a first motion. The second motion generator generates a second motion from the first motion based on the change in the load.
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