JPS57110602A - Manufacture of thrust receiving parts such as bush for gear pump - Google Patents

Manufacture of thrust receiving parts such as bush for gear pump

Info

Publication number
JPS57110602A
JPS57110602A JP18875380A JP18875380A JPS57110602A JP S57110602 A JPS57110602 A JP S57110602A JP 18875380 A JP18875380 A JP 18875380A JP 18875380 A JP18875380 A JP 18875380A JP S57110602 A JPS57110602 A JP S57110602A
Authority
JP
Japan
Prior art keywords
powder
packed
bush
manufacture
gear pump
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
JP18875380A
Other languages
Japanese (ja)
Inventor
Takashi Tanaka
Toshio Yurino
Masao Takagi
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.)
KIYOUWA GOUKIN KK
KYOWA GOKIN KK
KYOWA GOUKIN KK
Original Assignee
KIYOUWA GOUKIN KK
KYOWA GOKIN KK
KYOWA GOUKIN KK
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 KIYOUWA GOUKIN KK, KYOWA GOKIN KK, KYOWA GOUKIN KK filed Critical KIYOUWA GOUKIN KK
Priority to JP18875380A priority Critical patent/JPS57110602A/en
Publication of JPS57110602A publication Critical patent/JPS57110602A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/02—Arrangements of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/22—Manufacture essentially without removing material by sintering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To obtain superior mechanical strength, hardness and wear resistance by freely packing powder prepared by mixing high tensile brass powder with powder of dezincification inhibitor or further adding lead powder and sintering the packed powder in a reducing atmosphere with a low point.
CONSTITUTION: High tensile brass powder is mixed with powder of a dezincification inhibitor or further mixed with lead powder and freely packed into a heat resistance container. By heating the container at about 800W900°C in a reducing atmosphere with a low dew point, the packed powder is sintered. This sintered rough body is finished to a prescribed shape by mechanical working. The resulting worked product has superior mechanical strength, high hardness and wear resistance.
COPYRIGHT: (C)1982,JPO&Japio
JP18875380A 1980-12-26 1980-12-26 Manufacture of thrust receiving parts such as bush for gear pump Pending JPS57110602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18875380A JPS57110602A (en) 1980-12-26 1980-12-26 Manufacture of thrust receiving parts such as bush for gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18875380A JPS57110602A (en) 1980-12-26 1980-12-26 Manufacture of thrust receiving parts such as bush for gear pump

Publications (1)

Publication Number Publication Date
JPS57110602A true JPS57110602A (en) 1982-07-09

Family

ID=16229163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18875380A Pending JPS57110602A (en) 1980-12-26 1980-12-26 Manufacture of thrust receiving parts such as bush for gear pump

Country Status (1)

Country Link
JP (1) JPS57110602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1718865A2 (en) * 2004-02-13 2006-11-08 Argo-Tech Corporation Low cost gear fuel pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1718865A2 (en) * 2004-02-13 2006-11-08 Argo-Tech Corporation Low cost gear fuel pump
EP1718865A4 (en) * 2004-02-13 2010-10-20 Argo Tech Corp Low cost gear fuel pump

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