CA2259340A1 - Method for making high permeability grinding wheels - Google Patents

Method for making high permeability grinding wheels

Info

Publication number
CA2259340A1
CA2259340A1 CA002259340A CA2259340A CA2259340A1 CA 2259340 A1 CA2259340 A1 CA 2259340A1 CA 002259340 A CA002259340 A CA 002259340A CA 2259340 A CA2259340 A CA 2259340A CA 2259340 A1 CA2259340 A1 CA 2259340A1
Authority
CA
Canada
Prior art keywords
abrasive articles
abrasive
passage
high permeability
grinding wheels
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002259340A
Other languages
French (fr)
Other versions
CA2259340C (en
Inventor
Mianxue Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Abrasives Technology Co
Original Assignee
Norton Company
Mianxue Wu
Saint-Gobain Abrasives Technology Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Norton Company, Mianxue Wu, Saint-Gobain Abrasives Technology Company filed Critical Norton Company
Publication of CA2259340A1 publication Critical patent/CA2259340A1/en
Application granted granted Critical
Publication of CA2259340C publication Critical patent/CA2259340C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • B24D3/18—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings for porous or cellular structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

An efficient method for manufacturing bonded abrasive articles comprises the use of elongated abrasive grain having a length to cross-sectional width aspect ratio of at least 5:1 to yield abrasive articles which are highly permeable to the passage of fluids. A method for measuring permeability is provided. The abrasive articles are used to carry out soft grinding and deep cut grinding operations. The permeable abrasive articles provide an open structure of pores and channels permitting the passage of fluid through the abrasive article and the removal of swarf from the workpiece during grinding operations.
CA002259340A 1996-07-26 1997-05-19 Method for making high permeability grinding wheels Expired - Lifetime CA2259340C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/687,816 US5738696A (en) 1996-07-26 1996-07-26 Method for making high permeability grinding wheels
US08/687,816 1996-07-26
PCT/US1997/008304 WO1998004385A1 (en) 1996-07-26 1997-05-19 Method for making high permeability grinding wheels

Publications (2)

Publication Number Publication Date
CA2259340A1 true CA2259340A1 (en) 1998-02-05
CA2259340C CA2259340C (en) 2002-07-23

Family

ID=24761976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002259340A Expired - Lifetime CA2259340C (en) 1996-07-26 1997-05-19 Method for making high permeability grinding wheels

Country Status (17)

Country Link
US (1) US5738696A (en)
EP (1) EP0921908B1 (en)
JP (1) JP3336015B2 (en)
KR (1) KR100323789B1 (en)
CN (1) CN1066995C (en)
AR (1) AR007703A1 (en)
AT (1) ATE274399T1 (en)
AU (1) AU705026B2 (en)
BR (1) BR9710595A (en)
CA (1) CA2259340C (en)
CO (1) CO4980905A1 (en)
DE (1) DE69730438T2 (en)
ES (1) ES2227695T3 (en)
RU (1) RU2151045C1 (en)
TW (1) TW380085B (en)
WO (1) WO1998004385A1 (en)
ZA (1) ZA974807B (en)

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US5738696A (en) 1998-04-14
BR9710595A (en) 1999-08-17
CN1224379A (en) 1999-07-28
EP0921908A1 (en) 1999-06-16
EP0921908B1 (en) 2004-08-25
ES2227695T3 (en) 2005-04-01
KR100323789B1 (en) 2002-02-19
AU3008097A (en) 1998-02-20
KR20000029592A (en) 2000-05-25
ZA974807B (en) 1997-12-30
AR007703A1 (en) 1999-11-10
RU2151045C1 (en) 2000-06-20
JP2000505004A (en) 2000-04-25
JP3336015B2 (en) 2002-10-21
CA2259340C (en) 2002-07-23
ATE274399T1 (en) 2004-09-15
DE69730438D1 (en) 2004-09-30
CN1066995C (en) 2001-06-13
DE69730438T2 (en) 2005-09-15
WO1998004385A1 (en) 1998-02-05
TW380085B (en) 2000-01-21
CO4980905A1 (en) 2000-11-27
AU705026B2 (en) 1999-05-13

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