JPS646516A - Ceramics part - Google Patents

Ceramics part

Info

Publication number
JPS646516A
JPS646516A JP62161044A JP16104487A JPS646516A JP S646516 A JPS646516 A JP S646516A JP 62161044 A JP62161044 A JP 62161044A JP 16104487 A JP16104487 A JP 16104487A JP S646516 A JPS646516 A JP S646516A
Authority
JP
Japan
Prior art keywords
hot press
friction
bearing
parallel
extending
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.)
Pending
Application number
JP62161044A
Other languages
Japanese (ja)
Inventor
Koichi Inoue
Takeo Morijiri
Hiroyoshi Tonai
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP62161044A priority Critical patent/JPS646516A/en
Publication of JPS646516A publication Critical patent/JPS646516A/en
Pending legal-status Critical Current

Links

Landscapes

  • Sliding-Contact Bearings (AREA)
  • Ceramic Products (AREA)

Abstract

PURPOSE:To improve resistance to wear, by a method wherein a ceramic sintered substance produced by a hot press is used for the inner and the outer ring of a bearing, and a surface extending in parallel to the direction of the pressurizing axis of a hot press forms a friction surface. CONSTITUTION:Block sintered substances 1-3 are formed by means of a hot press formed such that silicon nitride powder is pressurized in the direction of an arrow mark. When ratio friction amount of friction surfaces being 1a-3a are compared with each other, a ratio friction amount of each of the surfaces 2a and 3a extending in parallel to the pressurizing direction of the hot press is low. In which case, inner and outer rings 12 and 13 of a bearing are formed by a ceramic sintered substance, and by using a surface, extending in parallel to the direction of the pressurizing axis of a hot press, as a friction surface, a bearing having high resistance to wear is provided.
JP62161044A 1987-06-30 1987-06-30 Ceramics part Pending JPS646516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62161044A JPS646516A (en) 1987-06-30 1987-06-30 Ceramics part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62161044A JPS646516A (en) 1987-06-30 1987-06-30 Ceramics part

Publications (1)

Publication Number Publication Date
JPS646516A true JPS646516A (en) 1989-01-11

Family

ID=15727533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62161044A Pending JPS646516A (en) 1987-06-30 1987-06-30 Ceramics part

Country Status (1)

Country Link
JP (1) JPS646516A (en)

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