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Methods and apparatus for an annular core cutter

Active Publication Date: 2008-02-14
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When performing automated machining of certain materials, such as foam and honeycomb-core materials (generally referred to as “core” materials), certain geometries may be encountered that are difficult or impossible to produce using standard circular disk cutters.
That is, the head of such cutters are prone to impacting the core and inadvertently damaging or destroying the workpiece.
Complex geometry cannot be reached in this fashion.

Method used

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  • Methods and apparatus for an annular core cutter
  • Methods and apparatus for an annular core cutter
  • Methods and apparatus for an annular core cutter

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Embodiment Construction

[0010]The following detailed description is merely exemplary in nature and is not intended to limit the invention or the application and uses of the invention. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. For the sake of brevity, conventional techniques related to computer-aided manufacturing (CAM), machining, and other conventional tools and techniques may not be described in detail herein.

[0011]In general, the present invention relates to an improved core cutting apparatus that allows cutting of parts traditionally difficult or impossible to cut due to cutter limitations and / or physical machine head size. The annular cutter of the present invention is capable of machining core in an orientation that is parallel to the cutting surface, rather than perpendicular to the cutting surface as with prior art systems.

[0012]Referring to FIG. 1, a ...

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Abstract

An annular core cutting apparatus includes a cutting head including a generally cylindrical sidewall having a first end and a second end, wherein the first end has a cutting edge, and wherein the sidewall includes a plurality of openings having at least one sharpened edge. A spindle is coaxially and rigidly coupled to the second end of the cylindrical sidewall, and the spindle configured to rotate about a rotational axis. In a further embodiment, a generally conical member is disposed within the cutting apparatus to assist with grinding and removal of waste material.

Description

TECHNICAL FIELD[0001]The present invention generally relates to machining technology and, more particularly, to automated core machining of materials such as foam and honeycomb-core materials.BACKGROUND[0002]When performing automated machining of certain materials, such as foam and honeycomb-core materials (generally referred to as “core” materials), certain geometries may be encountered that are difficult or impossible to produce using standard circular disk cutters. That is, the head of such cutters are prone to impacting the core and inadvertently damaging or destroying the workpiece.[0003]Conventional core machining is done with the cutter positioned at 90 degrees to the workpiece, and this angular relationship is maintained throughout the machining operation. Referring to FIG. 1, for example, a workpiece 102 is machined using a cutting head 104 including a cutting disk 106 attached to a rotating spindle 105, wherein spindle 105 has a rotational axis 110, and wherein the cutting...

Claims

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Application Information

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IPC IPC(8): B23C3/00
CPCB23B51/0413B23C5/10B23C2226/62B23C2228/25Y10T409/303808Y10T29/5176Y10T409/30952Y10T408/34Y10T408/50Y10T29/5147Y10T409/304144Y10T407/11Y10T409/304088
Inventor HEUSCHOBER, MICHAEL S.POLUS, JEFFREY E.
Owner THE BOEING CO
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