JPH0313951B2 - - Google Patents

Info

Publication number
JPH0313951B2
JPH0313951B2 JP57061141A JP6114182A JPH0313951B2 JP H0313951 B2 JPH0313951 B2 JP H0313951B2 JP 57061141 A JP57061141 A JP 57061141A JP 6114182 A JP6114182 A JP 6114182A JP H0313951 B2 JPH0313951 B2 JP H0313951B2
Authority
JP
Japan
Prior art keywords
shaft
grooves
intermediate material
laser beam
irradiation
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.)
Expired - Lifetime
Application number
JP57061141A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58179588A (ja
Inventor
Katsuhiko Tanaka
Ikunori Sakatani
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.)
NSK Ltd
Original Assignee
NSK Ltd
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 NSK Ltd filed Critical NSK Ltd
Priority to JP57061141A priority Critical patent/JPS58179588A/ja
Publication of JPS58179588A publication Critical patent/JPS58179588A/ja
Publication of JPH0313951B2 publication Critical patent/JPH0313951B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F16C2220/68—Shaping by removing material, e.g. machining by electrical discharge or electrochemical machining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Fluid Mechanics (AREA)
  • Plasma & Fusion (AREA)
  • Laser Beam Processing (AREA)
JP57061141A 1982-04-14 1982-04-14 動圧流体軸受用軸の溝加工方法 Granted JPS58179588A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57061141A JPS58179588A (ja) 1982-04-14 1982-04-14 動圧流体軸受用軸の溝加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57061141A JPS58179588A (ja) 1982-04-14 1982-04-14 動圧流体軸受用軸の溝加工方法

Publications (2)

Publication Number Publication Date
JPS58179588A JPS58179588A (ja) 1983-10-20
JPH0313951B2 true JPH0313951B2 (OSRAM) 1991-02-25

Family

ID=13162517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57061141A Granted JPS58179588A (ja) 1982-04-14 1982-04-14 動圧流体軸受用軸の溝加工方法

Country Status (1)

Country Link
JP (1) JPS58179588A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61232083A (ja) * 1985-04-06 1986-10-16 Nec Corp レ−ザ加工方式
US4751417A (en) * 1986-10-06 1988-06-14 Sundstrand Corporation Method of increasing operating efficiency of electric machines
DE4316012C2 (de) * 1993-05-13 1998-09-24 Gehring Gmbh & Co Maschf Verfahren zur Feinbearbeitung von Werkstück-Oberflächen
JP3727253B2 (ja) * 2001-05-30 2005-12-14 松下電器産業株式会社 動圧流体軸受装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4427872A (en) * 1978-09-22 1984-01-24 Coherent, Inc. Precision machining apparatus and method utilizing a laser
JPS585755B2 (ja) * 1979-02-19 1983-02-01 日本電気株式会社 光ビ−ム加工装置

Also Published As

Publication number Publication date
JPS58179588A (ja) 1983-10-20

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