KR920019447A - Method of forming recesses in inner wall of cylinder hole and core for forming recesses - Google Patents

Method of forming recesses in inner wall of cylinder hole and core for forming recesses Download PDF

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Publication number
KR920019447A
KR920019447A KR1019910014525A KR910014525A KR920019447A KR 920019447 A KR920019447 A KR 920019447A KR 1019910014525 A KR1019910014525 A KR 1019910014525A KR 910014525 A KR910014525 A KR 910014525A KR 920019447 A KR920019447 A KR 920019447A
Authority
KR
South Korea
Prior art keywords
core
wall
cylinder hole
forming recesses
forming
Prior art date
Application number
KR1019910014525A
Other languages
Korean (ko)
Other versions
KR950010606B1 (en
Inventor
츠도무 마쓰자와
후미오 오오츠카
유키오 세키
Original Assignee
미야시다 유끼가즈
닛신고오교오 가부시끼가이샤
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 미야시다 유끼가즈, 닛신고오교오 가부시끼가이샤 filed Critical 미야시다 유끼가즈
Publication of KR920019447A publication Critical patent/KR920019447A/en
Application granted granted Critical
Publication of KR950010606B1 publication Critical patent/KR950010606B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Braking Arrangements (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

내용 없음No content

Description

실린더 구멍 내벽에 오목부를 형성하는 방법 및 오목부 형성용 코어Method of forming recesses in inner wall of cylinder hole and core for forming recesses

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 캐리퍼의 성형상태를 나타낸 단면도,1 is a cross-sectional view showing the molding state of the caliper according to the present invention,

제2도는 캐리퍼의 일부 단면 정면도,2 is a partial cross-sectional front view of the caliper,

제3도는 캐리퍼의 단면 평면도.3 is a cross-sectional plan view of the caliper.

Claims (2)

주조성형에 의하여 실린더 구멍(2)(2)을 형성하는 코어 (3)(3)에 유동이 가능한 돌기 (3d)를 설치하고, 이 돌기(3d)가 돌출한 코어(3)(3)를 내부공간내에 배치하며, 이 내부공간내에 용융액을 주입하여 이것이 굳은후, 상기 돌기(3d)를 코어(3)(3)내에 수납하여 이 코어(3)(3)를 빼내고, 상기 실린더 구멍(2)(2)과 이 실린더 구멍(2)(2) 내벽의 오목부(2a)를 동시에 형성하는 것을 특징으로 하며, 이 오목부(2a)를 형성하는 코어(3)(3)에, 실린더 구멍(2)(2) 내벽에 오목부(2a)를 형성하는 돌기(2d)를 유동이 가능하게 설치한 것을 특징으로 하는 실린더 구멍 내벽에 오목부를 형성하는 방법.The core 3 and 3 which form the cylinder hole 2 and 2 by casting molding are provided with the flowable protrusion 3d, and the core 3 and 3 which the protrusion 3d protrudes from is provided. It arrange | positions in an inner space, inject | pours melt into this inner space, and after this hardens, the said protrusion 3d is accommodated in the core 3 and 3, this core 3 and 3 is removed, and the said cylinder hole 2 (2) and the recessed part 2a of the inner wall of this cylinder hole 2 and (2) are formed simultaneously, and the cylinder hole is formed in the core 3 and 3 which forms this recessed part 2a. (2) (2) A method of forming a recess in an inner wall of a cylinder hole, wherein a projection (2d) forming a recess (2a) is provided on the inner wall so as to allow flow. 실린더 구멍(2)(2)을 주조성형하는 코어(3)(3)에, 실린더 구멍(2)(2)의 내벽에 오목부(2a)를 형성하는 돌기(2d)를 유동이 가능하게 설치한 것을 특징으로 하는 코어.In the cores 3 and 3 for casting the cylinder holes 2 and 2, projections 2d for forming the recesses 2a on the inner wall of the cylinder holes 2 and 2 are installed in a flowable manner. Core characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910014525A 1991-04-30 1991-08-22 Process for making hollow part of cylinder hole and core KR950010606B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP91-098936 1991-04-30
JP91-98936 1991-04-30
JP3098936A JPH0739022B2 (en) 1991-04-30 1991-04-30 Method for forming recess on inner wall of cylinder hole and core for forming recess

Publications (2)

Publication Number Publication Date
KR920019447A true KR920019447A (en) 1992-11-19
KR950010606B1 KR950010606B1 (en) 1995-09-20

Family

ID=14233010

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014525A KR950010606B1 (en) 1991-04-30 1991-08-22 Process for making hollow part of cylinder hole and core

Country Status (2)

Country Link
JP (1) JPH0739022B2 (en)
KR (1) KR950010606B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69621922T2 (en) * 1996-07-18 2003-01-30 Honda Motor Co Ltd Method, device and investment mold for casting cylindrical objects
DE69613363T2 (en) * 1996-07-18 2002-02-28 Honda Motor Co Ltd forming machine
DE19922809A1 (en) * 1999-05-19 2000-11-23 Mahle Gmbh Casting process used in the production of pistons comprises producing recesses by cores that move on deformation
JP5859916B2 (en) * 2012-05-29 2016-02-16 日信工業株式会社 Manufacturing method of caliper body of disc brake for vehicle

Also Published As

Publication number Publication date
JPH04327339A (en) 1992-11-16
KR950010606B1 (en) 1995-09-20
JPH0739022B2 (en) 1995-05-01

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