KR970046035A - Manufacturing method of aluminum base composite brake rotor for automobile - Google Patents

Manufacturing method of aluminum base composite brake rotor for automobile Download PDF

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Publication number
KR970046035A
KR970046035A KR1019950064932A KR19950064932A KR970046035A KR 970046035 A KR970046035 A KR 970046035A KR 1019950064932 A KR1019950064932 A KR 1019950064932A KR 19950064932 A KR19950064932 A KR 19950064932A KR 970046035 A KR970046035 A KR 970046035A
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KR
South Korea
Prior art keywords
brake rotor
matrix composite
aluminum matrix
composite material
aluminum
Prior art date
Application number
KR1019950064932A
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Korean (ko)
Inventor
김대기
Original Assignee
한승준
기아자동차 주식회사
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 한승준, 기아자동차 주식회사 filed Critical 한승준
Priority to KR1019950064932A priority Critical patent/KR970046035A/en
Publication of KR970046035A publication Critical patent/KR970046035A/en

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Abstract

본 발명은 상기의 문제점을 해결하기 위하여, 세라믹 강화제와 알루미늄 기지간의 젖음성이 우수하고, 세라믹 입자간의 편석이 발생하기 않으며, 가공성이 우수한 알루미늄 기지복합 재료의 브레이크 로터의 제조 방법을 제공하는 것을 목적으로 한다. 알루미늄을 기지 금속으로 하고, 세라믹 강화제를 18~22 중량%로 포함하는 알루미늄 기지 복합 재료의 브레이크 로터 중간체를 제조하는 단계; 세라믹 섬유의 체적분율이 20~50%인 알루미늄 기지 복합 재료의 예비 성형체를 제조하는 단계, 상기 20~50 중량%의 세라믹 섬유를 포함하는 예비성 형체를 알루미늄 기지 복합 재료의 브레이크 로터 중간체의 마찰면 홈에 삽입하고, 알루미늄 기지 복합 재료의 용탕을 금형의 캐비티에 붓고 난후, 펀치로 가입하는 단계, 및 용탕이 응고하고 나서, 상형금형의 펀치를 들어 올리고 하형금형을 관통하는 인젝터 핀을 위로 밀어 브레이크 로터를 토출하는 단계를 포함하는 것을 특징으로 한다.In order to solve the above problems, an object of the present invention is to provide a method for producing a brake rotor of an aluminum matrix composite material which is excellent in wettability between a ceramic reinforcing agent and an aluminum matrix, does not generate segregation between ceramic particles, and is excellent in workability. do. Preparing a brake rotor intermediate of an aluminum matrix composite material comprising aluminum as a base metal and containing 18-22 wt% of a ceramic reinforcement; Preparing a preform of an aluminum matrix composite material having a volume fraction of ceramic fiber of 20 to 50%, wherein the friction surface of the brake rotor intermediate of the aluminum matrix composite material After inserting into the groove, pouring the molten aluminum base material into the mold cavity, joining it with a punch, and after the molten metal solidifies, lift the upper mold punch and push the injector pin through the lower mold upwards to brake And discharging the rotor.

Description

자동차용 알루미늄 기지 복합재료 기지 복합재료 브레이크 로터의 제조방법Manufacturing method of aluminum base composite base composite brake rotor for automobile

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

제1도는 종래의 알루미늄 기지 복합재를 이용하여 브레이크 로터를 제조하는 공정단계를 설명하기 위한 공정도,1 is a process chart for explaining a process step of manufacturing a brake rotor using a conventional aluminum matrix composite,

제2도는 브레이크 로터와 캐필러의 마찰재의 상호관계를 보여주는 설명도,2 is an explanatory diagram showing the relationship between the friction material of the brake rotor and the capillary,

제3도는 본 발명의 브레이크 로터의 중간체구조를 나타내는 개략도,3 is a schematic view showing the intermediate structure of the brake rotor of the present invention,

제4도는 본 발명의 일공정단계를 설명하기 위한 금형에 놓인 브레이크 로터를 보여주는 단면도.4 is a cross-sectional view showing a brake rotor placed in a mold for explaining one process step of the present invention.

Claims (3)

알루미늄을 기지 금속으로 하고, 세라믹 강화제를 18~22 중량%로 포함하는 알루미늄 기지 복합 재료의 브레이크 로터 중간체를 제조하는 단계; 세라믹 섬유의 체적분율이 20~50%인 알루미늄 기지 복합 재료의 예비 성형체를 제조하는 단계, 상기 20~50 중량%의 세라믹 섬유를 포함하는 예비성형체를 알루미늄 기지 복합 재료의 브레이크 로터 중간체의 마찰면 홈에 삽입하고, 알루미늄 기지 복합 재료의 용탕을 금형의 캐비티에 붓고 난후, 펀치로 가입하는 단계, 및 용탕이 응고하고 나서, 상형금형의 펀치를 들어 올리고 하형금형을 관통하는 인젝터 핀을 위로 밀어 브레이크 로터를 토출하는 단계를 포함하는 자동차용 알루미늄 기지 복합재료 브레이크 로터의 제조 방법Preparing a brake rotor intermediate of an aluminum matrix composite material comprising aluminum as a base metal and containing 18-22 wt% of a ceramic reinforcement; Manufacturing a preform of an aluminum matrix composite material having a volume fraction of ceramic fiber of 20 to 50%, wherein the preform comprising the ceramic fiber of 20 to 50% by weight is a friction surface groove of a brake rotor intermediate of the aluminum matrix composite material. Inserting into the mold, pouring molten aluminum-based composite material into the cavity of the mold, joining with a punch, and solidifying the molten metal, and then lifting the upper mold punch and pushing up the injector pin through the lower mold and pushing the brake rotor up. Method for manufacturing an aluminum matrix composite brake rotor for cars comprising the step of ejecting 제1항에 있어서, 상기 세라믹 섬유는 길이가 평균적으로 150㎛이고 직경이 3㎛인 세라믹 섬유인 것을 특징으로 하는 자동차용 알루미늄 기지 복합재료 브레이크 로터의 제조 방법The method of claim 1, wherein the ceramic fiber is a ceramic fiber having an average length of 150 μm and a diameter of 3 μm. 제2항에 있어서, 상기 브레이크 로터 중간체를 제조하기 위하여 브레이크 로터의 마찰면을 사형 몰드 제조용 금형으로 제조하는 것을 특징으로 하는 자동차용 알루미늄 기지 복합재료 브레이크 로터의 제조 방법The method of manufacturing an aluminum matrix composite brake rotor for an automobile as claimed in claim 2, wherein the friction surface of the brake rotor is manufactured by a die for producing a sand mold in order to manufacture the brake rotor intermediate.
KR1019950064932A 1995-12-29 1995-12-29 Manufacturing method of aluminum base composite brake rotor for automobile KR970046035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950064932A KR970046035A (en) 1995-12-29 1995-12-29 Manufacturing method of aluminum base composite brake rotor for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950064932A KR970046035A (en) 1995-12-29 1995-12-29 Manufacturing method of aluminum base composite brake rotor for automobile

Publications (1)

Publication Number Publication Date
KR970046035A true KR970046035A (en) 1997-07-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950064932A KR970046035A (en) 1995-12-29 1995-12-29 Manufacturing method of aluminum base composite brake rotor for automobile

Country Status (1)

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KR (1) KR970046035A (en)

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