Patents Assigned to Yamazaki Mazak Corporation
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Publication number: 20220275903Abstract: A table rotation device includes a bearing assembly, a table support member, a support block, and a cooling block. The bearing assembly includes a fixed ring, a movable ring, and rolling elements provided between the fixed ring and the movable. The movable ring is rotatable about the rotation axis. The table support member is connected to the movable ring so as to fix a position of the table support member relative to a position of the movable ring. The support block is connected to the fixed ring so as to fix a position of the support block relative to a position of the fixed ring. The cooling block is connected to at least one of the fixed ring and the support block such that the cooling block is in contact with both the fixed ring and the support block. The cooling block provides a cooling passage.Type: ApplicationFiled: May 18, 2022Publication date: September 1, 2022Applicant: Yamazaki Mazak CorporationInventors: Jojiro KIMURA, Makoto TAHARA, Nobuhiro SAKAI
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Publication number: 20220226928Abstract: A stir pin includes a base end portion configured to be held rotatably about a first axis, a stirring portion provided to project from a shoulder member to be rotatable about the first axis together with the base end portion, and an intermediate portion including a second portion connected to the stirring portion to be rotatable about the first axis together with the stirring portion and having a second diameter passing through the first axis, and a first portion provided between and connected to the base end portion and the second portion to be rotatable about the first axis together with the base end portion and the second portion. The first portion has an end surface to which the second portion is connected and which has a maximum diameter larger than the second diameter. The end surface has a ring-shaped receiving surface configured to receive a material waste.Type: ApplicationFiled: March 31, 2022Publication date: July 21, 2022Applicant: Yamazaki Mazak CorporationInventors: Seigo OUCHI, Eiji MATSUBARA, Masayasu MINATANI, Toru MURAKAMI
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Patent number: 11364576Abstract: A laser machining apparatus includes a chuck configured to hold a workpiece such that the workpiece is rotatable about a rotational axis, a first workpiece support provided on a first side with respect to the chuck in an axial direction along the rotational axis and configured to support a projected workpiece projecting from the chuck on the first side, and a parts catcher configured to receive a product when the projected workpiece is not supported by the first workpiece support and convey the product to a loading dock. The parts catcher includes a first catcher workpiece support configured to support the projected workpiece. In the axial direction, a first distance between the first catcher workpiece support and the chuck is shorter than a second distance between the first workpiece support and the chuck.Type: GrantFiled: June 15, 2021Date of Patent: June 21, 2022Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Keisuke Kageyama, Kazuya Shimamoto, Keita Hachiya
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Publication number: 20220184731Abstract: A sheet metal working system includes a laser machining apparatus for processing a sheet metal in a laser machining region, a camera for photographing the laser machining region, an illuminator for illuminating the sheet metal, and circuitry configured to process an image photographed by the camera. The laser machining apparatus includes a sheet metal support member having a plate shape, the sheet metal support member having a plurality of elongated projections arranged in a first direction in a laser machining region. The sheet metal is disposed on the plurality of elongated projections. The camera is arranged such that the optical axis of the camera is oriented substantially parallel to the first direction when viewed in the height direction of the laser machining apparatus. The circuitry detects a bright region in the image as a machining available area of the sheet metal.Type: ApplicationFiled: March 3, 2022Publication date: June 16, 2022Applicant: Yamazaki Mazak CorporationInventors: Hikaru IRYODA, Yoshihiko SAKAI, Tetsuro NAKAMOTO
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Publication number: 20220176506Abstract: A tool storage includes a tool receiver, a tool magazine, and a tool carriage. The tool receiver is provided on a one side of a machine tool with respect to a workpiece holder of the machine tool along a machine tool direction and is configured to receive a tool from an outside of the machine tool. The tool magazine is provided on another side opposite to the one side with respect to the workpiece holder along the machine tool direction. The tool carriage is configured to carry the tool between the tool receiver and the tool magazine.Type: ApplicationFiled: February 24, 2022Publication date: June 9, 2022Applicant: Yamazaki Mazak CorporationInventors: Tomohiro KINTOKI, Seiya ONO, Reiji MAEKAWA, Mitsumasa IEDA, Keijiro KINOSHITA, Kenji YOSHIMOTO, Masaki TANASE
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Publication number: 20220179391Abstract: A controller includes data collect circuitry configured to collect machining data including a date and a time when at least one machined portion of a workpiece has been machined by a machine tool, temperature circuitry configured to obtain, at predetermined time intervals, temperature data at positions on the machine tool, dimension data input circuitry configured to receive dimension measurement data which includes a dimension of the machined portion after the machined portion has been machined, learning data generate circuitry configured to generate learning data based on the machining data and the dimension measurement data, and machine learning circuitry configured to execute a machine learning based on the temperature data and the learning data to obtain a correction coefficient based on which a displacement caused by a change in a temperature of the machine tool is corrected according to a thermal displacement correction equation.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Applicant: Yamazaki Mazak CorporationInventors: Toshihito OKUDA, Ryo YOSHIDA, Akira ISEKI, Yasuhiko SUZUKI
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Publication number: 20220178257Abstract: A method for producing an integrally bladed rotor includes providing imaginary front and rear lattice points on the ridges of the front and rear edges; providing a first imaginary line on positive-pressure and negative-pressure surfaces to connect a first imaginary front lattice point and a first imaginary rear lattice point; providing a second imaginary line on the positive-pressure and negative-pressure surfaces to connect a second imaginary front lattice point next to the first imaginary front lattice point and a second imaginary rear lattice point next to the first imaginary rear lattice point; providing a spiral path on the positive-pressure and negative-pressure surfaces by connecting the first and second imaginary lines with a spiral curve; and cutting the positive-pressure and negative-pressure surfaces by moving a cutting point corresponding to a cutting edge of a turning tool along the spiral path. point around the blade.Type: ApplicationFiled: February 24, 2022Publication date: June 9, 2022Applicant: Yamazaki Mazak CorporationInventors: Yukihide HARADA, Tetsuji FUJITA
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Publication number: 20220155750Abstract: A tool load displaying method for a machine tool includes inputting a machining program that specifies a plurality of tools used during machining work and that specifies machining processes which constitute the machining work and each of which is performed by using each of the plurality of tools. At least one piece of load information corresponding to each of the plurality of tools during each of the at least one machining process is calculated. Selected load information is selected from the at least one piece of load information. The plurality of tools are displayed.Type: ApplicationFiled: February 1, 2022Publication date: May 19, 2022Applicant: Yamazaki Mazak CorporationInventors: Jun MATSUI, Yuuki YAMAMOTO, Takuro KATAYAMA, Morikuni KIMURA
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Publication number: 20220155751Abstract: A tool load displaying method includes displaying tools specified by a machining program and selectively displaying at least one of machining processes which are specified by the machining program and each of which is performed by using each of the tools. Load information and values of machining parameters in a selected machining process selected among the at least one of machining processes displayed are displayed. A selected tool is selected among the tools. A first selection window showing at least one replacement tool replaceable with the selected tool is displayed so as to select a selected replacement tool among the at least one replacement tool. A second selection window showing at least one machining process performed by using the selected tool is displayed so as to select among the at least one machining process, at least one selected replacement-tool machining process to be performed by using the selected replacement tool.Type: ApplicationFiled: February 1, 2022Publication date: May 19, 2022Applicant: Yamazaki Mazak CorporationInventors: Jun MATSUI, Yuuki YAMAMOTO, Takuro KATAYAMA, Morikuni KIMURA
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Publication number: 20220134482Abstract: A laser working machine includes a first slot provided at another end portion of a first body. In the first slot, either one of a first shielding plate and a first light transmissive plate is selectively insertable in a sealed manner. The first shielding plate is configured to block a first optical path. The first light transmissive plate has a first optical path hole through which the first optical path and a second optical path are connectable. The laser working machine includes a second slot provided at a second body end portion of a second body. In the second slot, either one of a second shielding plate and a second light transmissive plate is selectively insertable in a sealed manner. The second shielding plate is configured to block the second optical path. The second light transmissive plate has a second optical path hole.Type: ApplicationFiled: January 17, 2022Publication date: May 5, 2022Applicant: Yamazaki Mazak CorporationInventors: Tomohisa NAKAYAMA, Satoshi SASAKI, Tetsuichi KITAMOTO
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Patent number: 11311977Abstract: A machine tool includes a tool spindle, a tool intermediate device, and a tool storage which includes first tool magazines, a first tool magazine support mechanism, an additional first tool magazine support mechanism, and a tool carrier. The first tool magazine support mechanism includes a first shaft to support at least one of the first tool magazines to be rotatable about a first rotation axis. The additional first tool magazine support mechanism includes an additional first shaft to support at least one of the first tool magazines to be rotatable about an additional first rotation axis. The tool carrier includes a first guide extending along the first and additional first rotation axes, a second guide extending along a line connecting the first and additional first rotation axes, and a lift configured to move along the first guide. The first guide is movable along the second guide.Type: GrantFiled: February 10, 2020Date of Patent: April 26, 2022Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Kiyoshi Nishida, Takahiro Kugimoto, Masanori Shimaoka, Mikio Wakida, Takuya Mizuno
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Patent number: 11314233Abstract: A controller includes a determination circuit, a setting circuit, and a control circuit. The determination circuit is configured to determine whether a chatter vibration is occurring while a spindle is rotating and a workpiece is being cut. The setting circuit is configured to set an upper limit and a lower limit on a change amount of a rotational speed of the spindle. The control circuit is configured to determine the change amount randomly from a range between the upper limit and the lower limit and configured to rotate the spindle at a second rotational speed obtained by changing a first rotational speed by the change amount that has been determined if the chatter vibration is determined as occurring while the control circuit controls the rotational speed of the spindle at the first rotational speed.Type: GrantFiled: October 20, 2020Date of Patent: April 26, 2022Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Hiromasa Yamamoto, Tatsuya Matsuda, Jumpei Kitayama, Kento Yoshida, Masatoshi Itoh
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Publication number: 20220105597Abstract: A workpiece support device includes a shaft rotatable about a shaft rotation axis of the shaft, a first support, a first reciprocating mechanism, and a first connecting rod having one end and another end. The shaft extends along a longitudinal direction of a workpiece. The first support includes a first support roller that is rotatable about a first roller rotation axis orthogonal to the shaft rotation axis and that is configured to contact the workpiece to support the workpiece. The first reciprocating mechanism has one end connected to the first support and is configured to reciprocate in a first expansion-contraction axis direction. The one end of the first connecting rod is rotatably connected to the first support. The another end of the first connecting rod is connected to the shaft such that the another end of the first connecting rod is rotatable together with the shaft.Type: ApplicationFiled: December 14, 2021Publication date: April 7, 2022Applicant: Yamazaki Mazak CorporationInventors: Keisuke KAGEYAMA, Kazuya SHIMAMOTO, Keita HACHIYA
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Publication number: 20220004158Abstract: A method for editing a machining program includes obtaining tool information specifying a tool mountable on a machine tool. A program editing window and at least one assistance window are displayed. The program editing window shows a program code of the machining program to control the machine tool. Each of the assistance window selectively shows the tool information and a control method. The tool is to be controlled according to the control method. In the program code, an insertion position at which a new code is to be inserted into the program code is specified. Selected information is selected from the tool information when the tool information is shown in the at least one assistance window. A command corresponding to the selected information is inserted into the program code at the insertion position.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Applicant: Yamazaki Mazak CorporationInventors: Hiroaki MATSUZAWA, Yuuki YAMAMOTO, Takuro KATAYAMA, Morikuni KIMURA
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Publication number: 20210365005Abstract: An input assistance method includes: a plurality of steps in which setting-information based on which the machine tool is configured to be controlled to machine a workpiece so as to make a product is input. A setting step in which a selected information is to be input is selected among the plurality of steps. The selected information of the plurality of steps constitutes the setting-information. A setting interface via which the selected information is input is displayed. Whether inputting the selected information has been completed is determined. Information indicating that inputting the selected information has been completed is displayed, when inputting the selected information is determined to have been completed. The plurality of steps includes a first step in which a shape of the product is input and a second step in which a shape of the workpiece and a material of the workpiece are input.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Applicant: Yamazaki Mazak CorporationInventors: Takuya KUMASAKA, Yuuki YAMAMOTO, Takuro KATAYAMA, Morikuni KIMURA
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Patent number: 11130178Abstract: A machining tool includes a light irradiator, a cover, and a light blocking filter. The light irradiator is to irradiate a workpiece to process the workpiece. The cover covers the light irradiator and the workpiece in the cover. The light blocking filter is configured to change light transmissivity of the light blocking filter in accordance with light from an inside of the cover, which the light blocking filter receives.Type: GrantFiled: July 20, 2018Date of Patent: September 28, 2021Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Kazuki Uemura, Naokazu Okabe, Eiji Matsubara, Shoya Kai
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Patent number: 11130193Abstract: A friction stir welding tool includes a housing and a stir pin. The housing includes a first surface, a housing hole formed in the housing and having a housing hole opening on the first surface, and a discharge hole through which the housing hole is in communication with an outside of the housing. The stir pin includes a pin holder and a pin body. The pin holder has a first end portion and a second end portion. The first end portion is configured to be connected to a rotation spindle. The pin body is provided in the housing hole, is detachably attached to the second end portion, and is rotatable together with the pin holder around the rotation axis. The pin body includes a stir portion that protrudes from the first surface via the housing hole opening.Type: GrantFiled: July 14, 2020Date of Patent: September 28, 2021Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Masayasu Hachiya, Eiji Matsubara, Toru Murakami, Seigo Ouchi
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Patent number: 11014159Abstract: A composite machining machine includes a first machining head, a second machining head, a workpiece holder, a cover, and a frame. The first machining head is movable in a first region to perform additive manufacturing on the workpiece in a second region. The second machining head is movable in the second region to perform cutting on the workpiece. The workpiece holder holds the workpiece in the second region. The cover covers the first region. The frame includes two columns and a beam member coupling the columns. The cover includes a region definition member openable at least partially. The region definition member defines the second region. The first machining head is movable in a guided manner in a range between the columns. The beam member is disposed so that the predetermined range lies inside the first region, and outside and above the second region.Type: GrantFiled: July 13, 2018Date of Patent: May 25, 2021Assignee: YAMAZAKI MAZAK CORPORATIONInventors: Kazuya Horibe, Kazuki Uemura, Seiichi Yoshida
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Publication number: 20210138555Abstract: A rotational force transmission mechanism includes a shaft and an engagement member. The shaft is rotatable about a first axis. The shaft includes a leading end portion having a second groove and a first groove which is configured to receive a rotatable portion of a tool holder so that the shaft rotates the rotatable portion about the first axis. The engagement member is movable along the first axis between a first position and a second position and rotatable about the first axis together with the shaft. The engagement member includes an engagement portion configured to be received in the second groove. At least one of the shaft and the engagement member has an inclined surface that moves the engagement portion in a direction toward the first axis when the engagement member moves from the first position to the second position.Type: ApplicationFiled: January 26, 2021Publication date: May 13, 2021Applicant: Yamazaki Mazak CorporationInventors: Tetsuya KIJIMA, Yasuhiro FUJII, Yukimasa TASHIRO
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Publication number: 20210138598Abstract: A tool storage includes a tool magazine, a magazine mover, and a storage device cover. The tool magazine includes a plurality of tool holding members which are provided in the tool magazine and which are configured to hold a tool. The magazine mover is provided outside the tool magazine and is configured to move the tool magazine in a moving direction between an exchange position at which the tool is exchanged and a storage position at which the tool is stored. The storage device cover is provided to arrange the tool magazine and the magazine mover in the tool storage. The plurality of tool holding members are arranged in the moving direction.Type: ApplicationFiled: January 21, 2021Publication date: May 13, 2021Applicant: Yamazaki Mazak CorporationInventors: Kazuya HORIBE, Seiichi YOSHIDA, Keigo MURAKAMI