KR960021402A - 취성 및/또는 연성 대상물의 절제 가공용 수작업 장치 - Google Patents

취성 및/또는 연성 대상물의 절제 가공용 수작업 장치 Download PDF

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KR960021402A
KR960021402A KR1019950046360A KR19950046360A KR960021402A KR 960021402 A KR960021402 A KR 960021402A KR 1019950046360 A KR1019950046360 A KR 1019950046360A KR 19950046360 A KR19950046360 A KR 19950046360A KR 960021402 A KR960021402 A KR 960021402A
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tool
machining tool
vibration
ultrasonic
diameter
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KR100354368B1 (ko
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슈택 막시밀리안
오버마이어 요제프
마기야리 오이겐
오프너 페터
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레인홀트 찰라츠·롤란트 빌티
힐티 악티엔게젤샤프트
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B37/00—Boring by making use of ultrasonic energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/006—Vibration damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/50—Drilling tools comprising cutting inserts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/23—Cutting by use of rotating axially moving tool including means to cause Tool to progressively vibrate toward work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/65—Means to drive tool
    • Y10T408/675—Means to drive tool including means to move Tool along tool-axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/81—Tool having crystalline cutting edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/89—Tool or Tool with support
    • Y10T408/895—Having axial, core-receiving central portion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Portable Power Tools In General (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Turning (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

본 발명은 작업시 축방향으로 회전하면서 이동되는 가공 공구(3)를 구동시키기 위한 구동 유니트(2)가 하우징(1) 내에 배치된 취성 및/또는 연성대상물의 절제 가공용 수작업 장치에 관한 것이다. 부가적으로, 하우징(1) 내에는 초음파 진동 생성용 전기 음향 변환기(4) 및 진동 증폭기(5)가 배치되며, 이들에 의해 장치의 작업시 가공 공구(3)의 회전이 초음파 진동과 중첩될 수 있다.

Description

취성 및/또는 연성 대상물의 절제 가공용 수작업 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 공구가 끼워져 고정된 상태의 본 발명에 따른 초음파 종진동용 수작업 장치의 실시예를 나타낸 도면,
제2도 내지 제4도는 초음파 종진동용 수작업 장치와 함께 사용되는 가공 공구의 부분 상세도 및 부분 단면도.

Claims (25)

  1. 하우징(1) 내에 배치된 구동 유니트(2) 및 이 구동 유니트(2)에 의해 종축둘레로 회전될 수 있는 가공 공구(3)를 구비한 취성 및/또는 연성 대상물의 절제 가공용 수작업 장치에 있어서, 하우징(1) 내에 초음파 진동 생성용 전기 음향 변환기(4) 및 진동 증폭기(5)가 배치되며, 이들에 의해 가공 공구(3)의 회전이 초음파 진동과 중첩될 수 있는 것을 특징으로 하는 취성 및/또는 연성 대상물의 절제 가공용 수작업 장치.
  2. 제1항에 있어서, 초음파 진동은 다음 조건을 만족하는 주파수 및 진폭을 가지며, 0.5·V<W·2·a<5·V 여기에서, w는 각 주파수를, a는 초음파 진동의 진폭을, V는 절제할 재료 중의 가공 공구(3)의 절단 속도를 m/s로 각각 나타내는 것을 특징으로 하는 장치.
  3. 제1항 또는 제2항에 있어서, 전기 음향 변환기(4)는 약 100W 내지 1000w, 적합하게는 200W 내지 500W의 초음파 출력을 내는 것을 특징으로 하는 장치.
  4. 제1항 또는 제2항에 있어서, 전기 음향 변환기(4)는 자기 왜곡 변환기 또는 압전기 변환기인 것을 특징으로 하는 장치.
  5. 제1항 또는 제2항에 있어서, 가공 공구(3)는 대략 생성된 초음파 진동의 파절의 영역에 배치되는 공구수납부(6)에 지지되는 것을 특징으로 하는 장치.
  6. 제1항 또는 제2항에 있어서, 전기 음향 변환기(4) 및 진동 증폭기(5)의 개별 부품의 정합부는 생성된 초음파 진동의 파절의 영역에 배치되는 것을 특징으로 하는 장치.
  7. 제1항 또는 제2항에 있어서, 가공 공구(3)의 축방향 길이(1)는 가공할 재료와 접촉하는 영역에 생성된 초음파 진동의 파복부(波腹部)가 접하도록 그 크기가 정해지는 것을 특징으로 하는 장치.
  8. 제1항 또는 제2항에 있어서, 가공 공구(3)용 재료는 초음파 진동에 대한 감쇠가 작은 성질을 가지며, 적합하게는 경화된 탄소강 또는 알루미늄 합금 또는 티탄 합금으로 되는 것을 특징으로 하는 장치.
  9. 제1항 또는 제2항에 있어서, 진동 증폭기(5)는 하우징(1) 내에 회전 가능하게 지지되고 구동 유니트(2)에 의해 그 종촉 둘레로 회전될 수 있으며, 공구 수납부(6)는 진동 중폭기(5)에 설치되는 것을 특징으로 하는 장치.
  10. 제1항 또는 제2항에 있어서, 전기 음향 변환기(4)는 가공 공수(3)에 접속될 수 있는 약 10 내지 40cm의 파장 λ의 초음파 종진동(L) 생성용으로 형성되는 것을 특징으로 하는 장치.
  11. 제10항에 있어서, 가공 공구(3)는 그 전방 단부에 절단체(11)를 장착하고 길이가 nλ/2(n=1, 2, 3…)인 관형 또는 막대형 공구인 것을 특징으로 하는 장치.
  12. 제11항에 있어서, 절단 방향(S)으로 보았을 때, 각각의 절단체(11) 앞쪽에 절결부(12)가 설치되는 것을 특징으로 하는 장치.
  13. 제11항에 있어서, 가공 공구(3)는 공구(3)의 전방 단부에서 비대칭적인 돌출 거리로 배치되는 절단체(11)를 구비한 관형 공구인 것을 특징으로 하는 장치.
  14. 제10항에 있어서, 가공 공구(3)는 일정한 외경(d)을 가지고 그 둘레 및 외측 측부 가장자리 영역에 절단체(11)를 구비하고 그 축방향 연장이 nλ/2(n=1, 2, 3…)이고 그 중앙부에 정해진 직경(b)의 축방향 구멍(13)을 구비하는 원판형 공구이며, 이 공구(3)는 공구(3)의 외경(d)과 축방향 구멍(13)의 내경(b)의 합의 절반으로 규정되고 다음의 식에 따라 원판형 공구(3)의 반경 방향의 공진 주파수에 맞춰 조절되는 중앙부 직경을 가지며, fr= CL/DMπ여기에서, fr은 반경 방향이 공진 주파수를, CL은 공구(3) 중의 종방향이 음속을, DM은 원판형 공구(3)의 중앙부 직경을 각각 나타내는 것을 특징으로 하는 장치.
  15. 제10항에 있어서, 가공 공구(3)는 그 둘레 및 외측부 가장자리 영역에 절단체(11)를 구비하고 축방향 연장이 nλ/2(n=1, 2, 3…)이고 그 외경(d)이 초음파 종진동(L)에 의해 공구(3) 상에 유도되는 만곡파의 반파장의 정수배로 되는 원판형 공구인 것을 특징으로 하는 장치.
  16. 제10항에 있어서, 가공 공구(3)는 그 외측 케이싱이 절단체(11)를 구비하고 그 축방향 길이(1)가 초음파 진동(L)의 반 파장의 정수배로 되는 핑거형 연삭 공구(14, 15)인 것을 특징으로 하는 장치.
  17. 제10항에 있어서, 가공 공구(3)는 그 가공할 재료와의 접촉 영역에 절단체(11)가 장착되고 그 축방향 연장이 nλ/2(n=1, 2, 3…)이고 그 직경(d)이 초음파 종진동(L)에 의해 공구(3)에 여기되는 만곡 진동의 반파장의 정수배로 되는 단지형 또는 평판형 원판 형태의 연삭 공구인 것을 특징으로 하는 장치.
  18. 제10항에 있어서, 가공 공구(3)는 그 둘레에 절단체(11)를 가진 축방향 연삭면(19)이 배치되고 그 축방향 연장이 nλ/2(n=1, 2, 3…)이고 그 중앙부에 정해진 직경(b)의 축방향 구멍(13)를 구비하는 롤러형 공구이며, 이 공구는 공구의 외경(d)과 축방향 구멍(13)의 내경(b)의 합의 절반으로 규정되고 다음의 식에 따라 롤러형 공구(3)의 반경 방향의 공진 주파수에 맞춰 조절되는 중앙부 직경을 가지며, fr= CL/DMπ, 여기에서, fr은 반경 방향의 공진 주파수를, CL은 공구 중의 종방향의 음속을, DM은 롤러형 공구(3)의 중앙부 직경을 각각 나타내는 것을 특징으로 하는 장치.
  19. 제1항 또는 제2항에 있어서, 전기 음향 변환기(4)는 가공 공구(3)와 접속될 수 있는 약 10 내지 40cm의 파장 λ의 비틀림 진동(T) 생성용으로 형성되는 것을 특징으로 하는 장치.
  20. 제19항에 있어서, 가공 공구(3)는 전방 단부에 절단체(11)를 장착한 길이 nλ/2(n=1, 2, 3…)의 막대형 또는 관형 공구인 것을 특징으로 하는 장치.
  21. 제20항에 있어서, 절단 방향(S)로 보았을 때, 각각의 절단체(11) 뒤쪽에 절결부(12)가 설치되는 것을 특징으로 하는 장치.
  22. 제19항에 있어서, 가공 공구(3)는 그 둘레 및 외측부 가장자리 영역에 절단체(11)를 구비하고 그 축방향 연장이 nλ/2(n=1, 2, 3…)인 원판형 공구인 것을 특징으로 하는 장치.
  23. 제22항에 있어서, 원판의 직경은 원판을 지지하는 축의 직경의 4배까지 될 수 있는 것을 특징으로 하는 장치.
  24. 제1항 또는 제2항에 있어서, 진동 중폭기(5)는 반경 방향의 진공 흡입 채널(21)과 연통하는 축방향 구멍(20)을 구비하며, 진공 흡입 채널(21)의 입구(22)는 대략 작업시 생성된 초음파 진동의 파절의 영역에 배치되는 것을 특징으로 하는 장치.
  25. 제1항 또는 제2항에 있어서, 길이가 nλ/2(n=1, 2, 3…), 특히 λ/2이고 반경 방향의 진공 흡인 채널과 연통하는 축방향 구멍을 구비하는 진공 흡인 모듈이 진동 중폭기(5) 전방에 설치되며, 진공 흡인 채널의 입구는 대략 작업시 생성된 초음파 진동의 파절의 영역에 배치되는 것을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950046360A 1994-12-16 1995-12-04 취성또는연성재료제거용수동식공구 KR100354368B1 (ko)

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US5733074A (en) 1998-03-31
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DE4444853B4 (de) 2006-09-28
EP0720890B1 (de) 1999-05-06
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ES2132581T3 (es) 1999-08-16
EP0720890A1 (de) 1996-07-10
JPH08243952A (ja) 1996-09-24
DE4444853A1 (de) 1996-06-20
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ATE179645T1 (de) 1999-05-15

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