KR950017012A - 소결 연마 그레인을 제조하는 방법 및 연마 그레인 소결 장치 - Google Patents

소결 연마 그레인을 제조하는 방법 및 연마 그레인 소결 장치 Download PDF

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KR950017012A
KR950017012A KR1019940035296A KR19940035296A KR950017012A KR 950017012 A KR950017012 A KR 950017012A KR 1019940035296 A KR1019940035296 A KR 1019940035296A KR 19940035296 A KR19940035296 A KR 19940035296A KR 950017012 A KR950017012 A KR 950017012A
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South Korea
Prior art keywords
abrasive grain
propulsion plate
propulsion
sintering chamber
precursor material
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KR1019940035296A
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English (en)
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루이스 컨웰 스탠리
패이턴 우드 윌리엄
Original Assignee
워렌 리챠드 보비
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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Application filed by 워렌 리챠드 보비, 미네소타 마이닝 앤드 매뉴팩츄어링 컴패니 filed Critical 워렌 리챠드 보비
Publication of KR950017012A publication Critical patent/KR950017012A/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/12—Arrangement of devices for charging
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
    • F27B21/04—Sintering pots or sintering pans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

본 발명은 소결되지 않은 연마 그레인 선구 물질을 소결하여 소결된 연마 레인을 제공하는 장치와 연마 그레인을 제조하는 방법에 관한 것이다. 본 발명의 방법에 따라 제조된 연마 그레인은 결합된 연마재(예컨대, 연마 휠), 코팅된 연마재, 및 부직포 연마재와 같은 연마재 제품내로 합체될 수 있다.

Description

소결 연마 그레인을 제조하는 방법 및 연마 그레인 소결 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 양호한 소결 장치의 측면도,
제2도 및 제3도는 본 발명에 따른 소결 장치의 개략 단면도,
제4도는 본 발명의 장치를 이용하여 본 발명의 방법에 따라 제조한 연마그레인(grain)의 소결된 외측 표면을 10,000배 확대한 주사 전자 광현미경 사진.

Claims (5)

  1. 소결된 연마 그레인을 제조하는 제조 방법에 있어서, (a)소결되지 않은 연마 그레인 선구 물질을 제공하는 단계와; (b)다음과 같은 구성을 포함하는 비회전로, 즉, 소결 챔버를 형성하며 대체로 평탄한 지지면을 포함하는 내측면을 구비하며, (i)상기 소결 챔버내의 상기 지지면상으로 소결되지 않은 연마 그레인 선구 물질을 안내하는 상기 내측면과 벽 수단을 관통하는 공급구와, (ii)소결 챔버로부터 소결된 연마 그레인을 배출하는 상기 벽 수단을 관통하는 배출구를 각각 구비하는 상기 벽수단과, 추진면을 구비하는 추진판과, 상기 추진판이 상기 지지면으로부터 이격된 제1위치와 상기 추진면이 상기 배출구에 인접하는 제2위치 사이에서 상대적인 이동을 하여, 그 추진판이 상기 제1위치로부터 상기 베2위치로이동하는 동안, 상기 추진면이 상기 지지면을 따라 이동하도록 상기 노상에 상기 추진판을 장착하는 수단과, 상기 제1위치로부터 제2위치로 상기 추진판을 이동시키는 수단을 포함하는 비회전식 노를 구비하는 소결 장치를 제공하는 단계와; (c)약 1000℃내지 약 1600℃범위내의 온도로 상기 소결 챔버를 가열하는 단계와; (d)상기 공급구를 통해 상기 소결 챔버내의 상기 지지면 상에 상기 소결되지 않은 다량의 연마 그레인 선구 물질을 공급하는 단계와; (e)소결된 연마 그레인을 제공할 만큼 충분한 온도와 시간으로 상기 소결 챔버내에서 상기 소결되지 않은 연마 그레인 선구 물질을 가열하는 단계와; (f)상기 제1위치로부터 상기 제2위치까지 상기 추진판을 이동시켜서 상기 소결된 연마 그레인을 상기 배출구까지 이동시킴으로써 상기 소결챔버로부터 상기 소결된 연마 그레인을 배출하는 단계를 포함하는 것을 특징으로 하는 소결된 연마 그레인을 제조하는 제조 방법.
  2. 제1항에 있어서, 상기 소결되지 않은 연마 그레인 선구 물질을 연마 그레인 선구 물질로 하소하는 것을 특징으로 하는 제조 방법.
  3. 제2항에 있어서, 상기 소결된 연마 그레인은 30마이크로미터 보다 작은 평균 입자 크기를 가지는 것을 특징으로 하는 제조 방법.
  4. 제2항에 있어서, 상기 제1위치로부터 상기 제2위치로 상기 추진판을 이동시키기 전에, 상기 이동 단계는, (a)상기 제1위치로부터 상기 제1위치와 상기 제2위치 사이의 제1중간 위치로 상기 추진판을 이동시키는 단계와; (b)상기 제1중간 위치로부터 상기 제1위치 또는 그 위치에 인접한 제1귀환 위치로 상기 추진판을 귀환시키는 단계와; (c)상기 제1귀환 위치로부터 상기 제1중간 위치와 상기 제1위치 사이의 제2중간 위치로 상기 추진판을 이동시키는 단계와; (d)상기 제2중간 위치로부터 상기 제1위치 또는 그 위치에 인접한 제2귀환 위치로 귀환시키는 단계를 포함하는 것을 특징으로 하는 제조 방법.
  5. 소결 챔버를 형성하며 대체로 평탄한 지지면을 포함하는 내측면을 구비하며, (ⅰ)상기 소결 챔버내의 상기 지지면상으로 소결되지 않은 연마 그레인 선구 물질을 안내하는 상기 내측면과 벽 수단을 관통하는 공급구와, (ⅱ)소결 챔버로부터 소결된 연마 그레인을 배출하는 상기 벽 수단을 관통하는 배출구를 각각 구비하는 상기 벽수단과; 추진면을 구비하는 추진판과; 상기 추진판이 상기 지지면으로부터 이격된 제1위치와 상기 추진면이 상기 배출구에 인접하는 제2위치 사이에서 이동하여, 그 추진판이 상기 제1위치로부터 상기 제2위치로 이동하는 동안에 상기 추진면이 상기 지지면을 따라 이동하도록 상기 노상에 상기 추진판을 장착하는 수단과; 상기 제1위치로부터 제2위치로 상기 추진판을 이동시키는 수단과; 1000℃ 내지 약 1600℃범위의 온도로 상기 소결 챔보를 가열하는 수단을 포함하는 비회전식 노를 구비하며, 상기 공급구와 상기 소결 챔버가 25℃의 초기 온도에서 소결되지 않은 입자 선구 물질 재료를 상기 소결 챔버내로 이동시키고, 25℃의 초기 온도에서 상기 공급구를 통과하여 상기 소결 챔버내로 들어가는 상기 소결되지 않은 입자 선구 물질의 표면을 상기 소결 챔버의 상기 온도에 약 3초간 노출시키도록 배열되는 것을 특징으로 하는 소결 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940035296A 1993-12-28 1994-12-20 소결 연마 그레인을 제조하는 방법 및 연마 그레인 소결 장치 KR950017012A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/173,992 US5489204A (en) 1993-12-28 1993-12-28 Apparatus for sintering abrasive grain
US08/173,992 1993-12-28

Publications (1)

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KR950017012A true KR950017012A (ko) 1995-07-20

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US (2) US5489204A (ko)
EP (1) EP0666460B1 (ko)
JP (1) JPH07309668A (ko)
KR (1) KR950017012A (ko)
AT (1) ATE177525T1 (ko)
AU (1) AU676399B2 (ko)
BR (1) BR9405231A (ko)
CA (1) CA2137414A1 (ko)
DE (1) DE69417006T2 (ko)

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ATE177525T1 (de) 1999-03-15
EP0666460B1 (en) 1999-03-10
DE69417006T2 (de) 1999-07-15
DE69417006D1 (de) 1999-04-15
JPH07309668A (ja) 1995-11-28
BR9405231A (pt) 1995-09-12
US5489204A (en) 1996-02-06
AU8040994A (en) 1995-07-06

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