Method for machining and related machining tool, machining apparatus, and computer code
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23C-003/12
B23C-005/12
B23C-005/14
출원번호
US-0542620
(2012-07-05)
등록번호
US-9138814
(2015-09-22)
발명자
/ 주소
Trzaskos, Piotr S.
Ross, III, Donald Q.
Masek, William S.
Copeland, Brian K.
Ternus, John P.
Gillow, Erik D.
Tan, Napthaneal Y.
출원인 / 주소
Apple Inc.
대리인 / 주소
Downey Brand LLP
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
A method for machining may include providing a workpiece with a major (e.g., top) surface and an edge at a perimeter thereof. The method may also include providing a machining tool including an outer rotary cutter and an inner rotary cutter. The workpiece may be machined in a single pass of the mach
A method for machining may include providing a workpiece with a major (e.g., top) surface and an edge at a perimeter thereof. The method may also include providing a machining tool including an outer rotary cutter and an inner rotary cutter. The workpiece may be machined in a single pass of the machining tool around the perimeter thereof. Machining the workpiece may include simultaneously machining the edge with the inner rotary cutter and machining at least a portion of the major surface with the outer rotary cutter. Accordingly, the edge and at least a portion of the major surface of the workpiece may be simultaneously machined in a single pass. The inner rotary cutter may also simultaneously machine an undercut at the edge of the workpiece. A related machining apparatus including the machining tool is provided. Further, a computer readable medium may include program code for performing the above-described operations.
대표청구항▼
1. A method for machining, comprising: positioning a workpiece having a major surface and one or more edges at a perimeter of the workpiece;machining the workpiece in a single pass of a machining tool around the perimeter of the workpiece, the machining tool including an outer rotary cutter and an i
1. A method for machining, comprising: positioning a workpiece having a major surface and one or more edges at a perimeter of the workpiece;machining the workpiece in a single pass of a machining tool around the perimeter of the workpiece, the machining tool including an outer rotary cutter and an inner rotary cutter, wherein machining the workpiece comprises simultaneously: machining the edge of the workpiece with the inner rotary cutter of the machining tool, andmachining at least a portion of the major surface of the workpiece with the outer rotary cutter of the machining tool; andlifting the machining tool relative to the workpiece and machining a remaining portion of the major surface of the workpiece with the inner rotary cutter. 2. The method of claim 1, wherein machining the workpiece in the single pass further comprises simultaneously machining an undercut at the edge of the workpiece with the inner rotary cutter. 3. The method of claim 1, wherein machining at least the portion of the major surface of the workpiece with the outer rotary cutter of the machining tool comprises machining an entirety of the major surface of the workpiece. 4. The method of claim 3, wherein machining the entirety of the major surface of the workpiece comprises machining the major surface to a distance from the perimeter equal to at least one half of a width of the workpiece. 5. A machining tool assembly, comprising a machining tool comprising: an outer rotary cutter configured to machine at least a portion of a major surface of a workpiece, andan inner rotary cutter configured to machine an edge of the workpiece, wherein the outer rotary cutter and the inner rotary cutter are configured to simultaneously machine the portion of the major surface of the workpiece and the edge of the workpiece in a single pass around a perimeter of the workpiece; andan adjustment mechanism that adjusts a position of the machining tool relative to the workpiece, the adjustment mechanism lifts the machining tool relative to the workpiece and machine a remaining portion of the major surface of the workpiece with the inner rotary cutter. 6. The machining tool assembly of claim 5, wherein the inner rotary cutter defines an extension configured to machine an undercut at the edge of the workpiece. 7. The machining tool assembly of claim 5, wherein a bottom portion of the inner rotary cutter is configured to machine the remaining portion of the major surface of the workpiece. 8. The machining tool assembly of claim 5, wherein the outer rotary cutter is configured to extend from the inner rotary cutter to a distance equal to at least one half of a width of the workpiece. 9. A machining apparatus, comprising: a motor coupled to a rotatable shaft;a machining tool coupled to the rotatable shaft, the machining tool comprising: an outer rotary cutter configured to machine at least a portion of a major surface of a workpiece, andan inner rotary cutter configured to machine an edge of the workpiece, wherein the outer rotary cutter and the inner rotary cutter are configured to simultaneously machine the major surface of the workpiece and the edge of the workpiece in a single pass around a perimeter of the workpiece; andan adjustment mechanism configured to adjust a position of the machining tool relative to the workpiece, the adjustment mechanism lifting the machining tool relative to the workpiece and machine a remaining portion of the major surface of the workpiece with the inner rotary cutter. 10. The machining apparatus of claim 9, wherein the inner rotary cutter defines an extension configured to machine an undercut at the edge of the workpiece. 11. The machining apparatus of claim 9, wherein a bottom portion of the inner rotary cutter is configured to machine a remaining portion of the major surface of the workpiece. 12. The machining apparatus of claim 9, wherein the outer rotary cutter is configured to extend from the inner rotary cutter to a distance equal to at least one half of a width of the workpiece. 13. The machining apparatus of claim 9, further comprising a fixture configured to hold the workpiece. 14. The machining apparatus of claim 13, wherein the fixture comprises a recessed portion configured to define a clearance with respect to the inner rotary cutter. 15. A non-transitory computer readable medium for storing computer instructions executed by a processor in a machining apparatus for controlling a position of a machining tool relative to a workpiece, the workpiece having a major surface and one or more edges at a perimeter of the workpiece, the non-transitory computer readable medium configured to cause the machining apparatus to carry out steps including: machining the workpiece in a single pass of the machining tool around the perimeter of the workpiece, the machining tool including an outer rotary cutter and an inner rotary cutter, wherein machining the workpiece in the single pass comprises simultaneously: machining the edge of the workpiece with the inner rotary cutter of the machining tool, andmachining at least a portion of the major surface of the workpiece with the outer rotary cutter of the machining tool; andlifting the machining tool relative to the workpiece and machining a remaining portion of the major surface of the workpiece with the inner rotary cutter. 16. The non-transitory computer readable medium of claim 15, wherein machining the workpiece in the single pass further comprises simultaneously machining an undercut at the edge of the workpiece with the inner rotary cutter. 17. The non-transitory computer readable medium of claim 15, wherein a bottom portion of the inner rotary cutter is configured to machine the remaining portion of the major surface of the workpiece. 18. The non-transitory computer readable medium of claim 15, wherein machining at least the portion of the major surface of the workpiece with the outer rotary cutter of the machining tool comprises machining an entirety of the major surface of the workpiece. 19. The non-transitory computer readable medium of claim 18, wherein machining the entirety of the major surface of the workpiece comprises machining the major surface to a distance from the perimeter equal to at least one half of a width of the workpiece.
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