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公开(公告)号：US20230321783A1
公开(公告)日：2023-10-12
申请号：US17717998
申请日：2022-04-11
申请人： Hantover, Inc.
发明人： Ronald J. Curnett , Craig E. Feeler
IPC分类号： B24B3/46
CPC分类号： B24B3/46 , B26B25/002
摘要： A tool for steeling a knife includes a frame and first and second steeling components. Each of the components is shiftably mounted relative to the frame for movement between a first position and a second position. The steeling components cooperatively define a knife interface configured to engage and thereby steel the knife. The steeling components are resiliently biased into the first position, with the knife interface moving as the steeling components shift between the first and second positions.
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公开(公告)号：US11752591B2
公开(公告)日：2023-09-12
申请号：US16820857
申请日：2020-03-17
发明人： Rudolf P. Vasko , Maxim Mironau
CPC分类号： B24B49/006 , B24B3/46 , B24B49/16
摘要： A controller is provided for use in controlling a blade sharpening system that includes at least one grinding wheel operable to sharpen the blade. The controller includes a memory device, and a processor communicatively coupled to the memory device. The processor is configured to receive signals from at least one sensor, the at least one sensor operable to monitor rotation of the at least one grinding wheel. The processor is further configured to adjust a position of the at least one grinding wheel relative to the blade based on the received signals.
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公开(公告)号：US20230226711A1
公开(公告)日：2023-07-20
申请号：US17991798
申请日：2022-11-21
申请人： LAWRENCE E BAKER
发明人： LAWRENCE E BAKER
CPC分类号： B26D7/12 , B24B3/46 , B24B3/368 , B24D7/14 , B24D13/14 , B24D13/147 , B24B3/363 , B26D1/14 , B26D3/16 , B24B49/16 , Y10T83/303
摘要： Dynamic regulation of contact pressures in a blade sharpening system is provided. An example multiphase grinding wheel has a grinding face with one or more abrasive concentric rings for sharpening the cutting blade of the log saw machine, and one or more padded concentric rings consisting of fiber padding. Sharpening with the multiphase grinding wheel improves cut quality, increases blade life, removes glues and varnishes from the cutting blade, reduces blade deformation, and hones the edge of the cutting blade. A pneumatic tensioning system uses air bladders to apply dynamic cushioning and processor-controlled contact pressure between the grinding wheels and the cutting blade during sharpening. The fiber-padded grinding wheels and the air bladder tensioner provide improved sharpness of the cutting blade and longer life for the mechanical components.
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公开(公告)号：US20230075538A1
公开(公告)日：2023-03-09
申请号：US17800263
申请日：2021-02-01
发明人： Rudolf P. VASKO , Maxim MIRONAU
摘要： A controller is provided for use in controlling a blade sharpening system that includes at least one grinding wheel operable to sharpen the blade. The controller includes a memory device, and a processor communicatively coupled to the memory device. The processor is configured to receive signals from at least one sensor, the at least one sensor operable to monitor rotation of the at least one grinding wheel. The processor is further configured to adjust a position of the at least one grinding wheel relative to the blade based on the received signals.
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公开(公告)号：US20220379394A1
公开(公告)日：2022-12-01
申请号：US17804523
申请日：2022-05-27
发明人： Daniel Ford
摘要： A prior art grinding assembly a gin blade sharpening system for sharpening a blank into a blade disk. The gin blade sharpening system comprises two or more grinding stations, a controller, and one or more upper grinders. The one or more upper grinders comprise at least a first upper grinder. The two or more grinding stations comprise at least a first grinding station and a second grinding station. each among the two or more grinding stations comprise a clamp assembly configured to selectively hold the blade disk in a substantially horizontal position. a portion of the one or more upper grinders can be configured to sharpen an outer perimeter edge of the blade disk using an abrasive pad.
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公开(公告)号：US20220016798A1
公开(公告)日：2022-01-20
申请号：US17441848
申请日：2020-05-22
申请人： FUTURA S.P.A.
摘要： A cutting machine for the transversal cutting of logs of paper material, including a cutting unit, at least one sharpening unit with two grinding wheels and a device for positioning the grinding wheels. The device includes a primary carriage and two secondary carriages. The primary carriage has a surface arranged at a predetermined distance from the plane of the blade and forming a surface for controlling the run of the secondary carriages. In a first step of positioning the grinding wheels, the secondary carriages bring the abrasive side of the grinding wheels into contact with the surface. In a second step, the secondary carriages bring the abrasive side of the grinding wheels to the plane. In a third step, the primary actuators move the primary carriage until the abrasive side of the grinding wheels contacts the blade.
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公开(公告)号：US10919169B2
公开(公告)日：2021-02-16
申请号：US16207954
申请日：2018-12-03
申请人： FABIO PERINI S.P.A.
摘要： The machine includes a feeding path for the logs to be cut and a cutting head arranged along the feeding path. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes at least a grinding unit, including at least one grinding wheel mounted onto a rotation shaft and co-acting with a side of the disc-shaped cutting blade to grind the cutting edge of the same disc-shaped cutting blade. A controlled approach system is also provided to move the grinding wheel towards the disc-shaped cutting blade.
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公开(公告)号：US10827662B2
公开(公告)日：2020-11-10
申请号：US15945837
申请日：2018-04-05
申请人： DEERE & COMPANY
摘要： A method of manufacturing an agricultural tillage disk blade includes providing a substantially circular-shaped disk body with an outer peripheral edge and a central opening that defines a rotation axis, the outer body being disposed within a first plane. A plurality of waves is formed in a predetermined pattern in the outer peripheral edge of the disk body, and the outer peripheral edge is sharpened to form a plurality of teeth such that at least a portion of the sharpened outer peripheral edge is disposed within a second plane that is parallel to the first plane and substantially perpendicular to the rotation axis. The method also includes machining a plurality of relief portions in each of the plurality of waves at a location radially inward of the plurality of teeth, and heat treating the disk body after the sharpening and machining steps.
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公开(公告)号：US10029381B2
公开(公告)日：2018-07-24
申请号：US15038887
申请日：2014-10-30
申请人： FUTURA S.P.A.
发明人： Giovacchino Giurlani
IPC分类号： B24B49/00 , B26D7/12 , B24B49/04 , B24B49/12 , B24B49/10 , B26D3/16 , B24B3/38 , B24B3/46 , B26D5/06 , G01B7/28
摘要： Device for controlling the sharpening state of a blade (2) having a cutting edge (20) delimited by two sides (21, 22) converging towards a plane (X) that contains the cutting edge itself. The device comprises two control surfaces each of which is in contact with a corresponding side (21, 22) of said cutting edge (20) and is connected with at least one transducer (R1, R2, R4), which produces an electrical displacement signal (S1, S2; S4) proportional to a displacement of the control surface with respect to said plane (X). Furthermore, the device comprises a processing unit (E) that receives said displacement signals (S1, S2, S4) and compares them, emitting an error signal if the comparison produces a value that exceeds a predetermined limit. The processing unit is connected to means (101, 102) for supporting and moving sharpening means (100).
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公开(公告)号：US10016869B2
公开(公告)日：2018-07-10
申请号：US15038854
申请日：2014-10-17
申请人： FUTURA S.P.A.
发明人： Giovacchino Giurlani
摘要： Device for sharpening blades of cutting-off machines, comprising two grinding wheels (1) each positioned on a corresponding side of a cutting edge (20) of a blade (2) of a cutting machine. The device comprises means adapted for controlling the symmetry of said cutting edge (20), with a sensor (3) placed at a predetermined distance from a corresponding side of the cutting edge (20. The sensor (3) is adapted to detect possible differences (d) between the lengths (n, p) of the two sides of the cutting edge (20). The sensor (3) is connected to a programmable unit (4) that processes the said difference (d) possibly detected by the sensor (3).
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