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1. 发明授权

US11491610B2 Wafer grinding method 有权
公开(公告)号：US11491610B2
公开(公告)日：2022-11-08
申请号：US16359059
申请日：2019-03-20
申请人： DENSO CORPORATION , DISCO CORPORATION
发明人： Hiroshi Shibata , Souichi Matsubara , Jun Koide
IPC分类号： B24B51/00 , B24B7/16 , B24B1/00
摘要： A wafer grinding method includes grinding a central portion of a wafer by using a plurality of abrasive members annularly arranged so as to form a circular ring, thereby forming a circular recess at the central portion of the wafer and simultaneously forming an annular projection around the circular recess, recognizing a height of a grinding unit after grinding the center by using a height recognizing unit and next storing the height recognized above, and grinding an upper surface of the annular projection to a predetermined value for a height of the annular projection previously set by a setting section as a grinding end height where the grinding of the annular projection by the grinding unit is ended.

2. 发明申请

US20220297253A1 GRINDING APPARATUS 有权
公开(公告)号：US20220297253A1
公开(公告)日：2022-09-22
申请号：US17679425
申请日：2022-02-24
申请人： ASAHI-SEIKI MANUFACTURING CO., LTD.
发明人： Eiji OBAYASHI , Junichi TAKAMATSU
IPC分类号： B24B7/16 , B24B41/00 , B23Q1/54
摘要： A grinding apparatus includes: a pair of rotary grindstones, a rotary base rotationally driven around a first rotation axis, a rotary table included in the rotary base, a fixed base rotatably supporting the rotary base, a fixed table included in the fixed base, a plurality of workpiece supporting tables supported on the rotary base and rotationally driven around a second rotation axis, a plurality of workpiece receiving holes vertically passing through an outer edge part of the workpiece supporting tables, a first motor fixed to the fixed base to rotationally drive the rotary table, a plurality of second motors fixed to the rotary base to rotationally drive the workpiece supporting tables, a controller driving the first motor and the plurality of second motors, and a slip ring disposed below the plurality of second motors and conductively connecting between the controller and the plurality of second motors.

3. 发明授权

US11273502B2 Apparatus for metal-cutting machining of wear-affected bit holders of road milling machines, and use of an apparatus for overhauling such wear-affected bit holders 有权
公开(公告)号：US11273502B2
公开(公告)日：2022-03-15
申请号：US15826794
申请日：2017-11-30
申请人： Wirtgen GmbH
发明人： Stefan Abresch , Thomas Lehnert , Markus Reindorf , Cyrus Barimani
IPC分类号： B23C3/36 , B24B23/08 , B24B7/16 , B23Q9/00 , B23C3/00 , B24B27/00
摘要： An apparatus for metal-cutting machining of wear-affected bit-head-proximal end regions of bit holders of road milling machines encompasses: a rotary actuator having an output member rotating around an actuator rotation axis; at least one material-removing tool, rotatable around a tool rotation axis, which is coupled or couplable to the output member so as to rotate together; a positioning arbor, extending along an arbor axis, which is embodied for introduction into a bit receptacle opening of a bit holder and which comprises an abutment segment, located radially remotely from the arbor axis and facing away from the arbor axis in a direction having a radial component, which is embodied for abutment against an inner wall of the bit receptacle opening. A material-removing region, populated with cutting edges, of the material-removing tool is arranged between the positioning arbor and the output member.

4. 发明授权

US11203095B2 Flexible sanding device for cylinder rock specimen 有权
公开(公告)号：US11203095B2
公开(公告)日：2021-12-21
申请号：US16208592
申请日：2018-12-04
申请人： Taiyuan University of Technology
发明人： Zhixin Jin , Chunwang Zhang , Guorui Feng , Xuanmin Song , Shengyong Hu , Yujiang Zhang , Tingye Qi , Zhen Li
IPC分类号： B24B7/16 , B24B7/17 , B24B7/22 , B24B23/02 , B24B23/08 , B24B41/06 , B24B7/08 , B24B27/00
摘要： A rock sanding device includes a base, a bottom sanding plate, an adjustable connecting rod, an elastic loader, a connector, a side sanding brush, a top sanding plate, an inner rod, a prong and a drill rod. The top of the drill rod is fixedly connected with the rotating shaft of the external water drilling rig and the external water drilling rig has a water inlet joint to introduce water into the drill rod. The inner rod and drill rod are connected and fixed coaxially, and the bottom of the drill rod is symmetrically welded with four prongs. The rock specimen is placed in the center of the side sanding brush. The top sanding plate and the bottom sanding plate are provided in the top side and bottom side of the rock specimen, respectively.

5. 发明授权

US10821569B2 Continuous compression wire spring polishing apparatus configured to easily replace two parallel and opposite grindstones 有权
公开(公告)号：US10821569B2
公开(公告)日：2020-11-03
申请号：US15899012
申请日：2018-02-19
申请人： DAEWON APPLIED ENG. CO
发明人： Chan-Ki Chung
IPC分类号： B24B7/16 , B24B7/06 , B24B47/12
摘要： The present disclosure relates to a contiguous compression wire sprang polishing apparatus that continuously polishes end surfaces of compression wise springs (10) by upper and lower chain conveyers 100 and 200 and grinding units 300. The apparatus includes: two gaming units (300) each having a grindstone (350) to which rotational force of a motor (240) is transmitted through a gear box (260), the motor (240) having a rotary shaft being located above a central axis of the grindstone (350), and the two grinding units (300) being installed to be parallel and opposite to each other at opposite sides of a compression wire spring (10) fixed to the continuous compression wire spring polishing apparatus so as to polish opposite end surfaces of the compression wire spring (10); two hinge shafts (140), which are fixed at positions, which are spaced apart from grindstones in the lowest surface of the grinding units (300) by a predetermined distance, and which are inserted into and coupled to bearings, which are fixed to a body of the polishing apparatus; an upper guide (225) configured to prevent the compression wire spring (10) from springing out and a rod end fixing shaft (150) fixed to an end of the cylinder rod (170) of the pneumatic cylinder (180) inserted into and coupled to a bearing fixed at a position between the grindstone rotation shaft and the hinge shaft (140) in each of the grinding units (300). The grindstone rotation shaft of each of the grinding units (300) is turned into the vertical state or the horizontal state according to the forward and backward movements of the pneumatic cylinder (180), so that the two grindstones (350) of the grinding units (300), which are mounted to be parallel and opposite to each other, can be easily replaced.

6. 发明申请

US20190011188A1 Method of Manufacturing Actively Cooled Accelerator Grid with Full Penetration Weld Configuration 审中-公开
公开(公告)号：US20190011188A1
公开(公告)日：2019-01-10
申请号：US15709706
申请日：2017-09-20
申请人： Institute for Plasma Research
发明人： Jaydeep Joshi , Chandramouli Rotti , Arunkumar Chakraborty
IPC分类号： F28D7/00 , B24B7/16 , B23K15/00 , B23K9/028
CPC分类号： F28D7/0075 , B21D53/08 , B23K9/0282 , B23K9/0288 , B23K15/0006 , B23K15/0046 , B23K15/0053 , B23K15/0093 , B23K2101/14 , B23K2103/05 , B23K2103/12 , B23P15/26 , B24B7/16 , F28D7/0066 , F28D7/06 , F28D7/16 , F28D7/163 , F28D7/1669 , H01J27/024 , H05H3/00 , Y10T29/49364 , Y10T29/49368 , Y10T29/49373 , Y10T29/49393
摘要： Disclosed is an improved method of manufacturing cooled accelerator grid with full penetration weld configuration. In a preferred form, the method includes the steps of: machining a plurality of stubs, a first and a second end of a plurality of inconel pipes; welding the stubs with the first end of the inconel pipes forming a water connector assembly; machining of a base plate; welding the base plate with the water connector assembly; machining the base plate welded with the water connector assembly, wherein machining further comprises milling of plurality of cooling channels across angled plane of the base plate welded with the water connector assembly; closing of plurality of cooling channels located on the base plate welded with the water connector assembly; and welding each of plurality of external hydraulic circuits with the second end of each of the plurality of inconel pipes.

7. 发明授权

US10046430B2 End face grinding method and end face grinding device 有权
公开(公告)号：US10046430B2
公开(公告)日：2018-08-14
申请号：US14989103
申请日：2016-01-06
申请人： NGK INSULATORS, LTD.
发明人： Toshihiro Fukui , Nobuyuki Umetsu , Nobuchika Noguchi
IPC分类号： B24B5/01 , B24B55/06 , B24B7/04 , B24B7/16 , B24B5/04
摘要： The end face grinding method includes a structure rotating step of rotating a honeycomb structure based on a rotation axis in a direction orthogonal to the end face of the honeycomb structure, a grinding wheel reverse rotating step of using a grinding wheel disposed so that a grinding surface faces the end face and rotating the grinding wheel in a reverse rotating direction to a rotating direction of the honeycomb structure based on a rotation axis in the direction orthogonal to the end face; and a dry type grinding step of bringing the grinding wheel rotating in the reverse direction close to the rotating honeycomb structure to perform the dry type grinding of the end face.

8. 发明授权

US09962802B2 Workpiece double-disc grinding method 有权
公开(公告)号：US09962802B2
公开(公告)日：2018-05-08
申请号：US15116130
申请日：2015-01-23
申请人： SHIN-ETSU HANDOTAI CO., LTD.
发明人： Yoshihiro Usami
IPC分类号： B24B7/16 , B24B7/17 , H01L21/02
CPC分类号： B24B7/17 , H01L21/02013 , H01L21/02024
摘要： The present invention is a workpiece double-disc grinding method including supporting a sheet workpiece along a circumferential direction from an outer circumference side of the workpiece by a ring holder, and simultaneously grinding both surfaces of the workpiece supported by the ring holder with a pair of grinding wheels while rotating the ring holder, wherein the surfaces of the workpiece are simultaneously ground such that a wear amount of the grinding wheels per 1 μm of a grinding stock removal of the workpiece ranges from 0.10 μm to 0.33 μm. This workpiece double-disc grinding method can reduce nanotopography formed in previous steps such as a slicing step without degrading the flatness in the double-disc grinding step.

9. 发明授权

US09879536B2 Surface treatment of turbomachinery 有权
公开(公告)号：US09879536B2
公开(公告)日：2018-01-30
申请号：US14977365
申请日：2015-12-21
申请人： General Electric Company
发明人： Andrew Joseph Colletti , Bruce John Badding , Bryan Edward Williams
IPC分类号： B23C3/00 , F01D5/02 , B23P15/00 , B24B19/26 , B23D45/00 , B27C1/00 , B24B27/00 , B24B39/06 , B24B41/06 , B24C1/00 , B26D3/00 , B24B7/04 , B24B7/16 , F01D7/00 , F01D25/28 , B27C7/00 , B27C7/04 , B23D45/04
CPC分类号： F01D5/025 , B23C3/00 , B23D45/00 , B23D45/003 , B23D45/046 , B23P15/006 , B24B7/04 , B24B7/16 , B24B19/26 , B24B27/0038 , B24B27/0092 , B24B39/06 , B24B41/061 , B24B41/067 , B24C1/00 , B26D3/00 , B27C1/00 , B27C7/00 , B27C7/04 , F01D5/02 , F01D7/00 , F01D25/285 , F05D2230/10 , F05D2230/90 , F05D2240/20 , F05D2240/24 , F05D2300/13 , F05D2300/131 , F05D2300/132
摘要： Embodiments of the present disclosure provide surface treatment tools, methodologies, and/or treated turbomachine components. A surface treatment tool according to the present disclosure can include a lathe assembly having a lathe chuck for receiving a component thereon, wherein the lathe chuck rotates the component about a first axis of rotation, and wherein the component includes an exposed axial target surface; and a sander or burnishing tool coupled to the lathe assembly and including a sanding or burnishing surface thereon, coupled to a drive system, wherein the sanding or burnishing surface is oriented along a second axis substantially non-parallel with the first axis of rotation, such that the sanding or burnishing surface selectively contacts the target surface of the component to yield a polished target surface.

10. 发明授权

US09821427B2 Grinding method for workpieces 有权
公开(公告)号：US09821427B2
公开(公告)日：2017-11-21
申请号：US14937229
申请日：2015-11-10
申请人： DISCO CORPORATION
发明人： Naruto Fuwa , Hideki Matsui , Shinji Yamashita
IPC分类号： B24B5/00 , B24B7/16 , B24B7/22
CPC分类号： B24B5/00 , B24B7/16 , B24B7/228
摘要： A grinding method for grinding a plurality of platelike workpieces at a time is provided. The workpieces are attached to a support member and held on a chuck table. A grinding wheel is brought into contact with the workpieces to grind the workpieces at a time. The grinding wheel includes a disk-shaped wheel base having a first surface, a plurality of first abrasive members arranged annularly on the first surface of the wheel base, and a plurality of second abrasive members arranged annularly on the first surface of the wheel base radially inside the first abrasive members in a concentric relationship with the first abrasive members. The radial spacing between the first abrasive members and the second abrasive members is set larger than the minimum spacing between any adjacent ones of the workpieces.

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