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公开(公告)号：US20250065466A1
公开(公告)日：2025-02-27
申请号：US18568522
申请日：2022-06-10
Applicant: Zeeko Innovations Limited
Inventor： Anthony Beaucamp , Richard Freeman , Christopher William King , Samyak Jain , Oliver Pakenham-Walsh , Harry John Knighton , Filip Antoni Jaskot
Abstract: The invention relates to a sub-aperture polishing tool, comprising a support member including an attachment feature for attachment to a sub-aperture polishing machine. At an end of the support member is a polishing head comprising: a base structure attached to or integral with the support member, the base structure being arranged to provide a non-flat surface. The polishing head also comprises an outer shell, at least part of the outer surface of which defines the working surface of the polishing tool, the outer shell being affixed to the base structure so as to enclose a cavity between the outer shell and the non-flat surface. A viscoelastic material filling the cavity, located between the outer shell and the base structure.
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公开(公告)号：US11958165B2
公开(公告)日：2024-04-16
申请号：US16469108
申请日：2017-12-15
Applicant: Zeeko Innovations Limited
Inventor： Anthony Beaucamp
IPC: B24B53/017 , B24B49/12 , B24B51/00 , B24D3/28 , B24D18/00
CPC classification number: B24B53/017 , B24B49/12 , B24B51/00 , B24D3/28 , B24D18/0009 , B24D2203/00
Abstract: Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine the size and form required for a tool to apply shaping treatment to all parts of the workpiece surface. Measurements of the actual workpiece are then compared with data relating to the required workpiece form, to determine the amount and distribution of material to be removed from the workpiece. A tool path for moving the tool over the workpiece to achieve the required shaping operation is then determined, and the tool and tool path data are provided to a shaping machine to carry out the shaping operation. The shaping tool may comprise an elastomeric body covered in a flexible cloth on which rigid pellets containing abrasive material are fixed. The specification discloses methods of manufacturing such tools, and also discloses methods for conditioning the pelleted cloth. There is also described a method of determining permissible amounts of tool offset to ensure smooth cutting of the workpiece.
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公开(公告)号：US20200094374A1
公开(公告)日：2020-03-26
申请号：US16469108
申请日：2017-12-15
Applicant: Zeeko Innovations Limited
Inventor： Anthony Beaucamp
IPC: B24B53/017 , B24B49/12
Abstract: Methods and apparatus for shaping workpieces are described in which data representing the surface form of the workpiece is analysed to determine characteristics of curvature of the surface, and these characteristics are used to determine the size and form required for a tool to apply shaping treatment to all parts of the workpiece surface. Measurements of the actual workpiece are then compared with data relating to the required workpiece form, to determine the amount and distribution of material to be removed from the workpiece. A tool path for moving the tool over the workpiece to achieve the required shaping operation is then determined, and the tool and tool path data are provided to a shaping machine to carry out the shaping operation. The shaping tool may comprise an elastomeric body covered in a flexible cloth on which rigid pellets containing abrasive material are fixed. The specification discloses methods of manufacturing such tools, and also discloses methods for conditioning the pelleted cloth. There is also described a method of determining permissible amounts of tool offset to ensure smooth cutting of the workpiece.
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