102 patents
Utility
Press brake and management system
16 Jan 24
A press brake is provided with a hydraulic cylinder configured to move an upper table and a lower table relative to each other in a vertical direction, and a control unit configured to control a hydraulic circuit of the hydraulic cylinder, in which the control unit manages a predictor of an occurrence of an abnormality in the hydraulic circuit including a first pressure control valve configured to control a back pressure of hydraulic oil on a first port side of the hydraulic cylinder.
Koichi Yanagawa, Tetsuaki Kato, Hidehiko Yoshida
Filed: 22 Aug 19
Utility
Side Nozzle, Laser Welding Machine, and Laser Welding Method
11 Jan 24
A head attachment is attached to a welding head of a laser welding machine.
Toshihide KATO, Junichi SAITO, Daisuke KANZAKI, Tatsuya AMANO
Filed: 12 Nov 21
Utility
Laser Processing Method, Laser Processing Machine, and Processing Program Creation Device
21 Dec 23
A first cutting line is formed in a sheet metal by continuously cutting a first cutting path.
Eri NAKAMURA, Taisuke HARAGUCHI
Filed: 12 Nov 21
Utility
Laser Processing Method, Laser Processing Machine, and Processing Program Creation Device
14 Dec 23
At least one dividing line formed of a straight line is set in a hole forming region surrounded by a hole processing line.
Noboru KIKKAWA, Takuya MURAKAMI
Filed: 16 Nov 21
Utility
Band Saw Machine, Method of Cooling Band Saw Blade, and Method of Cutting Workpiece by Band Saw Machine
14 Dec 23
A band saw machine includes a first wheel and a second wheel arranged lower than the first wheel, the first wheel and the second wheel being configured to apply a tension to a band saw blade for tracking, a first supply unit arranged between a lowermost end of the second wheel and a workpiece cutting position along a travelling direction from the second wheel toward the first wheel in a rotary travel path of the band saw blade and configured to spray a cutting fluid in a mist or to drop the cutting fluid onto a tooth part of the band saw blade, and a second supply unit arranged between the workpiece cutting position to the second wheel and configured to pour or spray the cutting fluid or a fluid for cooling over the band saw blade.
Norihisa SAKAI
Filed: 4 Nov 21
Utility
Workpiece Transport System and Workpiece Transport Method
7 Dec 23
A height error of a workpiece holding portion is detected based on a height from a mounting pedestal side floor surface, on which a mounting pedestal is mounted, to a connection point between the workpiece holding portion and an arm unit at a point in time at which contact with a detection target is detected by a surface detection sensor, a height from the mounting pedestal side floor surface to a surface of the detection target, and a theoretical value of a height of the workpiece holding portion, and an actual loading height of a workpiece mounted on the mounting pedestal is detected in consideration of the height error of the workpiece holding portion.
Satoshi TAKATSU, Naofumi MIURA, Shuhei TERASAKI, Teruyuki KUBOTA
Filed: 8 Oct 21
Utility
Tool for press brake
21 Nov 23
A tool for a press brake includes a tool main body, an attachment portion formed on a base end side of the tool main body and configured to be detachably attached to a tool installation portion of the press brake by using a tool changer, and a bending portion formed on a distal end side of the tool main body and used to bend a plate-shaped workpiece.
Masaaki Sato, Shiro Hayashi, Shingo Kamada, Hideto Yamada, Yohei Yamaguchi
Filed: 17 Jul 19
Utility
Laser cutting method and machine, and automatic programing apparatus
14 Nov 23
In a laser cutting method, a cut slit of a welding protruding-tab configured to be bent by laser cutting along an outline of a processed part and press a peripheral surface of the processed part is laser-cut in advance in a periphery of the processed part that is cut from a workpiece, and an outline slit is formed by performing laser cutting along the outline of the processed part and a free end of the welding protruding-tab is welded to the peripheral surface of the processed part.
Hideo Hara, Masato Kunihiro
Filed: 6 Sep 19
Utility
Punch tool with expanded portion and method of operating the same
7 Nov 23
A punch tool with an expanded portion, a movable punch provided on a fixed punch so as to be able to move up and down in a direction along an inclined portion, and an interlocking member configured to interlock with a relative ascending and descending motion of the movable punch with respect to the fixed punch.
Shiro Hayashi, Nobuo Oyamada, Yousuke Onagi
Filed: 29 Sep 20
Utility
Press brake control device, press brake control method, tool, and data structure of tool information
31 Oct 23
When a sheet metal is sandwiched between a punch held by a punch holder and a die held by a die holder to bend the sheet metal at a set bending angle by moving the punch toward the die, a stroke calculation unit calculates a stroke of the punch for bending the sheet metal at the bending angle in consideration of a spring back amount of the bent sheet metal.
Yingjun Jin, Yohei Fuchinoue, Hitoshi Omata
Filed: 5 Apr 19
Utility
Divided tool attachment method and press brake
24 Oct 23
Different divided tools are attached to tool attachment portions using automatic tool changers in proximity to slit tools that have already been attached to tool attachment portions.
Katsumi Watanabe, Yousuke Onagi, Yuto Nishihata
Filed: 28 May 19
Utility
Laser machining apparatus and laser machining method
10 Oct 23
A control device controls a beam vibrating mechanism to vibrate a laser beam in a C-shaped vibration pattern in which a beam spot is moved from a first irradiation position at a front end in a cutting advancing direction to a second irradiation position at a rear side and displaced in an orthogonal direction to the cutting advancing direction, and is moved from the second irradiation position to a third irradiation position at a front end and displaced in the orthogonal direction to the cutting advancing direction, and movement from the first irradiation position to the third irradiation position via the second irradiation position, and movement from the third irradiation position to the first irradiation position via the second irradiation position are repeated.
Takaaki Yamanashi, Koji Funaki, Akihiko Sugiyama, Takehiko Shigefuji
Filed: 5 Jul 19
Utility
Press Brake, Image Output Device, and Image Output Method
5 Oct 23
A camera captures an image of a work region in which an upper table and a lower table carry out a bending process in a press brake main body, and outputs a captured image.
Hideki KENMOTSU
Filed: 9 Sep 21
Utility
Method for Manufacturing Joined Body, Joined Body, and Battery Module
21 Sep 23
A laminate is formed by overlapping at least a part of a first member and at least a part of a second member.
Akio Sato, Yasuo Sawai, Kazuki Igarashi, Haruhiko Yamamoto
Filed: 26 Jan 23
Utility
Single-sheet Lifter
14 Sep 23
A single-sheet lifter includes a base frame arranged in a vicinity of a loading area and extending vertically, a separation unit configured to separate an uppermost workpiece from a plurality of the workpieces loaded in the loading area by means of at least one of an injection pressure of air and a suction force, and a counter balancer configured to reduce a weight acting on the separation unit.
Hiroshi IWANAGA
Filed: 6 Sep 21
Utility
Workpiece Conveying Wheeled Platform and Working System
14 Sep 23
A slider configured to move in a predetermined direction between a setup area and a pickup area is provided in a vicinity of a loading machine that supplies a workpiece W to a working machine.
Hiroki TSURUTA
Filed: 12 Aug 21
Utility
Laser Oscillator, Laser Processing Machine, and Method of Suppressing Stimulated Raman Scattering
7 Sep 23
A pulse generation unit generates a driving voltage signal including a pulse signal.
Tetsuya KOBAYASHI, Yosuke ARIMOTO, Kazuya MAKIGUCHI, Hiroki KISHIMOTO, Shinnosuke MUKAI
Filed: 30 Jul 21
Utility
Laser Processing Device and Nozzle Inspection Method
7 Sep 23
A laser processing device includes a nozzle attached to a laser processing head and including an emission hole through which a laser beam is emitted, an optical element configured to directly face the emission hole when the laser processing head is at a predetermined position, a nozzle inspection device including an image pickup device for picking up, through the optical element, an image of the emission hole viewed from a direction of an optical axis of the laser beam, a gas blowing unit for blowing a gas toward the optical element, and an operation control unit configured to cause the gas to be blown from the gas blowing unit toward the optical element before the image pickup device picks up the image after the laser processing head is moved to the predetermined position.
Kazuhiro IWATA
Filed: 13 Oct 21
Utility
Bending System and Greasing Unit
31 Aug 23
A bending system includes a greasing unit configured to move in a right-left direction by way of a moving operation of an external operation member and to supply grease to a sliding contact part of a tool holder, and a greasing unit holder provided on one side in a right-left direction of a table and configured to support the greasing unit.
Hideto YAMADA
Filed: 7 Oct 20
Utility
Press Brake
3 Aug 23
A press brake includes elevating members each provided to respective one of a pair of support blocks so as to be able to ascend and descend, and extending vertically.
Shogo AKIYAMA
Filed: 7 Jun 21