A deburring tool includes a shank attached at a first end to a chuck and a working portion at a second end of the shank. The working portion includes a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion furthest from the
A deburring tool includes a shank attached at a first end to a chuck and a working portion at a second end of the shank. The working portion includes a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion furthest from the shank, and an intermediate portion disposed between the first end portion and the second end portion, a first end of the intermediate portion joining a second end of the first end portion and a second end of the intermediate portion joining a first end of the second end portion. The intermediate portion tapers continuously from a largest diameter at the first end of the intermediate portion to a smallest diameter at the second end of the intermediate portion, and deburring cutter members provided on the second end portion adjacent the second end of the intermediate portion.
대표청구항▼
1. A deburring tool comprising: a shank attached at a first end to a chuck; anda working portion disposed at a second end of the shank, the working portion comprising a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion
1. A deburring tool comprising: a shank attached at a first end to a chuck; anda working portion disposed at a second end of the shank, the working portion comprising a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion located furthest from the shank, and an intermediate portion located between the first end portion and the second end portion, a first end of the intermediate portion joining a second end of the first end portion and a second end of the intermediate portion joining a first end of the second end portion,wherein the intermediate portion tapers continuously from a largest diameter at the first end of the intermediate portion to a smallest diameter at the second end of the intermediate portion, at least part of the second end portion having a larger diameter than the second end of the intermediate portion, the second end portion includes a proximal portion proximal to the second end of the intermediate portion and a distal portion distal to the second end of the intermediate portion, the first end portion increases in diameter from the second end of the first end portion to the first end of the first end portion, and deburring cutter members are provided on the proximal portion of the second end portion adjacent the second end of the intermediate portion. 2. The deburring tool as set forth in claim 1, wherein the first end portion also includes deburring cutter members adjacent the first end of the intermediate portion. 3. The deburring tool as set forth in claim 1, wherein the first end portion is smooth. 4. The deburring tool as set forth in claim 1, wherein the intermediate portion comprises a truncated cone. 5. The deburring tool as set forth in claim 1, wherein the intermediate portion comprises a plurality of truncated cones. 6. The deburring tool as set forth in claim 5, wherein a first one of the plurality of truncated cones that is closest to the first end of the intermediate portion has a larger cone angle than a second one of the truncated cones that is closest to the second end of the intermediate portion. 7. The deburring tool as set forth in claim 5, wherein a first one of the plurality of truncated cones that is closest to the first end of the intermediate portion has a smaller cone angle than a second one of the truncated cones that is closest to the second end of the intermediate portion. 8. The deburring tool as set forth in claim 1, wherein the intermediate portion has a curved surface. 9. The deburring tool as set forth in claim 1, wherein the intermediate portion includes deburring cutter members thereon. 10. The deburring tool as set forth in claim 1, wherein the intermediate portion includes a plurality of flutes thereon. 11. The deburring tool as set forth in claim 1, wherein the intermediate portion has a substantially smooth surface. 12. A method of deburring a hole extending from a first surface to a second surface of a workpiece using a deburring tool, comprising: providing the deburring tool, the deburring tool including a shank attached at a first end to a chuck, and a working portion disposed at a second end of the shank, the working portion comprising a first end portion closest to and joining the second end of the shank at a first end of the first end portion, a second end portion located furthest from the shank, and an intermediate portion located between the first end portion and the second end portion, a first end of the intermediate portion joining a second end of the first end portion and a second end of the intermediate portion joining a first end of the second end portion, wherein the intermediate portion tapers continuously from a largest diameter at the first end of the intermediate portion to a smallest diameter at the second end of the intermediate portion, at least part of the second end portion having a larger diameter than the second end of the intermediate portion, the second end portion includes a proximal portion proximal to the second end of the intermediate portion and a distal portion distal to the second end of the intermediate portion, the first end portion increases in diameter from the second end of the first end portion to the first end of the first end portion, and deburring cutter members are provided on the proximal portion of the second end portion adjacent the second end of the intermediate portion;extending the working portion of the deburring tool through the hole so that the first end portion contacts the first surface of the workpiece;rotating the deburring tool about a longitudinal axis thereof and deburring the hole adjacent the second surface of the workpiece with the deburring cutters on the proximal portion of the second end portion; andwhile rotating the deburring tool about the longitudinal axis thereof, pivoting the deburring tool in a circular fashion so that the proximal portion of the second end portion of the deburring tool moves in a circular path and the first end portion of the deburring tool and the first surface of the workpiece define a fulcrum.
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이 특허에 인용된 특허 (9)
Riley A. Douglass (Manitoba) DeFries Rene F. (Manitoba CAX), Bit for forming holes in composite materials.
Aono Masao,JPX ; Yamamoto Kohji,JPX ; Matsutani Kanji,JPX ; Tezuka Satoshi,JPX, Practical cutting bur and method of training using same for the cutting of human teeth.
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