KR20180079516A - Steel insert type aluminium suspension parts - Google Patents

Steel insert type aluminium suspension parts Download PDF

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Publication number
KR20180079516A
KR20180079516A KR1020160183450A KR20160183450A KR20180079516A KR 20180079516 A KR20180079516 A KR 20180079516A KR 1020160183450 A KR1020160183450 A KR 1020160183450A KR 20160183450 A KR20160183450 A KR 20160183450A KR 20180079516 A KR20180079516 A KR 20180079516A
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KR
South Korea
Prior art keywords
aluminum
base material
aluminum base
suspension
steel reinforcement
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KR1020160183450A
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Korean (ko)
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이기호
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명화공업주식회사
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Priority to KR1020160183450A priority Critical patent/KR20180079516A/en
Publication of KR20180079516A publication Critical patent/KR20180079516A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7102—Aluminium alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/72—Steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8101—Shaping by casting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Provided is an automotive steel reinforcement inserted aluminum suspension part. Particularly, an object of the present invention is to reduce the volume of an aluminum base material unit and reduce a cost compared to the same strength of the existing aluminum suspension part by using a steel reinforcement material as an insert member and molding the aluminum base material unit by a casting method.

Description

스틸 보강재 삽입형 알루미늄재 서스펜션 부품 {Steel insert type aluminium suspension parts}Steel insert type aluminum suspension parts [0002]

본 발명은 차량의 스틸 보강재 삽입형 알루미늄재 서스펜션 부품에 관한 것으로, 더욱 상세하게는 기존 알루미늄재 서스펜션 부품의 동일 강도 대비 알루미늄 모재부의 체적을 축소하고 원가 절감을 도모할 수 있는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품에 관한 것이다.The present invention relates to a steel reinforcement-inserted aluminum resh suspension component of a vehicle, and more particularly, to a steel reinforcement-inserted aluminum resh suspension component which is capable of reducing the volume of an aluminum base material portion of a conventional aluminum resh suspension component, .

일반적으로 자동차의 서스펜션은 주행중 노면으로부터 발생하는 충격을 흡수하여 차체나 탑승자에게 전달되는 충격을 완화하기 위한 것으로서, 쇼크업소버와 스프링 및 서스펜션암 등으로 구성되어 차량의 승차감과 안정성을 개선하는 역할을 한다.Generally, a suspension of an automobile absorbs shocks generated from a road surface while driving to mitigate impact transmitted to a vehicle body or an occupant, and is composed of a shock absorber, a spring, and a suspension arm, thereby improving the ride comfort and stability of the vehicle .

이러한 서스펜션을 구성하는 구성요소 중 하나인 컨트롤 암은 한쪽이 볼 조인트를 매개로 너클에 연결되고 다른 한쪽이 부시와 함께 차체 프레임에 연결되며 상기 너클이 차륜측에 연결되는데, 이에 따라 상기 컨트롤 암과 너클은 차량 주행시 차륜으로부터 여러 방향으로 하중을 받게 되므로 일정 수준 이상의 강도가 요구된다.One of the components constituting the suspension is connected to the knuckle via a ball joint and the other is connected to the body frame together with the bush and the knuckle is connected to the wheel side, The knuckle is subjected to loads in various directions from the wheel when driving a vehicle, so a certain level of strength is required.

이에 종래의 서스펜션용 컨트롤 암과 너클은 강도 확보를 위해 스틸(steel) 재질로 이루어진 것이 사용되었는데, 재질 특성상 중량이 커서 차량 중량을 상승시키는 요인이 되고 내식성 확보를 위해 피막처리를 해야 하는 단점이 존재함으로 인해 알루미늄 재질을 사용하여 제조한 컨트롤 암과 너클이 사용되고 있다.Conventional suspension control arms and knuckles are made of steel material in order to secure strength. Due to their material properties, they are heavy in weight, which increases the weight of the vehicle. Control arms and knuckles made of aluminum materials are used.

그러나, 종래 알루미늄 재질의 컨트롤 암과 너클은 스틸 재질 대비 낮은 기계적 성질 즉, 인장강도를 가짐에 따라 강도가 부족하여 내구성을 확보하기 어려운 문제점이 있으며, 이러한 내구성 문제를 보완하기 위해 단면적을 증대하여 보강하는 경우 중량 및 원가 상승을 초래하게 되고, 또한 열간단조(hot forging) 공법을 적용하여 제작됨에 따른 원가 상승이 발생하는 문제점도 존재한다.However, conventional control arms and knuckles made of aluminum have a problem in that it is difficult to ensure durability because of low mechanical strength, that is, tensile strength, compared with steel materials. In order to overcome such durability problems, There is a problem in that the weight and cost are increased and the cost is increased due to the hot forging method.

본 발명은 상기와 같은 문제점을 감안하여 안출한 것으로서, 스틸 보강재를 인서트 부재로서 사용하고 주조 공법으로 알루미늄 모재부를 성형하여, 기존 알루미늄재 서스펜션 부품의 동일 강도 대비 알루미늄 모재부의 부피를 축소하고 원가 절감을 도모할 수 있는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품을 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to reduce the volume of aluminum base material portion compared to the same strength of existing aluminum material suspension parts by using a steel reinforcement material as an insert member, And an object of the present invention is to provide a steel reinforcement-inserted aluminum resh suspension component that can be applied.

이에 본 발명에서는, 알루미늄 모재부와 이 알루미늄 모재부내에 삽입된 스틸 보강재를 포함하여 구성되며, 알루미늄 모재를 금형에 주입하여 상기 알루미늄 모재부를 성형하기 전에, 상기 스틸 보강재를 상기 금형내에 삽입 배치한 뒤 알루미늄 모재를 주입하여서, 상기 알루미늄 모재부가 스틸 보강재를 내장된 형태로 주조 성형된 것을 특징으로 하는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품을 제공한다.Therefore, in the present invention, the steel reinforcement material is inserted into the metal mold before the aluminum base material is injected into the metal mold to form the aluminum base material portion, the metal reinforcement material including an aluminum base material portion and a steel reinforcement inserted into the aluminum base material portion Wherein the aluminum base material is molded by casting a steel reinforcement into the aluminum base material by injecting an aluminum base material.

본 발명의 실시예에 의하면, 상기 스틸 보강재는 알루미늄 모재부내에 내장된 복수의 보강재 멤버로 구성되고, 상기 복수의 보강재 멤버가 폐루프 구조로 연결되어서 알루미늄 모재부의 골조 기능을 하게 된다.According to an embodiment of the present invention, the steel reinforcement is constituted by a plurality of reinforcement members embedded in the aluminum base member, and the plurality of reinforcement members are connected in a closed loop structure to function as a framework of the aluminum base member.

본 발명에 따른 스틸 보강재 삽입형 알루미늄재 서스펜션 부품은 다음과 같은 이점이 있다.The steel reinforcement-inserted aluminum resh suspension component according to the present invention has the following advantages.

1. 스틸 보강재를 알루미늄 모재부내에 삽입한 형태로 내장시킴으로써 기존 알루미늄재 서스펜션 부품의 동일 강도 대비 알루미늄 모재부의 체적을 축소할 수 있고 이에 따른 원가 절감이 가능한 이점이 있다.1. It is advantageous to reduce the volume of the aluminum base material part compared to the same strength of the existing aluminum suspension parts by inserting the steel reinforcement into the aluminum base material part, thereby reducing the cost.

2. 주조(casting) 공법으로 제조됨에 따라, 기존에 열간단조 공법으로 제작된 알루미늄 재질의 서스펜션용 컨트롤 암이나 단조와 주조를 혼합한 방식의 코바프레스(cobapress) 공법으로 제작된 알루미늄 재질의 서스펜션용 너클 대비 제조 비용이 절감되며, 또한 서스펜션용 컨트롤 암과 너클을 동일 공법으로 제조 가능함에 따라 제조 비용이 절감되는 이점도 있다.2. Manufactured by casting method, it can be used as aluminum control suspension arm manufactured by hot forging method or suspension made of aluminum material by cobapress method mixed with forging and casting The manufacturing cost is reduced compared to the knuckle, and the control arm and knuckle for suspension can be manufactured by the same method, thereby reducing the manufacturing cost.

도 1은 본 발명에 따른 스틸 보강재 삽입형 알루미늄재 서스펜션 부품으로서 서스펜션용 너클을 나타낸 도면
도 2는 본 발명에 따른 스틸 보강재 삽입형 알루미늄재 서스펜션 부품으로서 서스펜션용 컨트롤 암을 나타낸 도면
도 3은 종래기술에 따른 알루미늄재 서스펜션 부품을 나타낸 도면BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a suspension knuckle as a steel reinforcement-inserted aluminum resh suspension component according to the present invention; FIG.
2 is a view showing a control arm for suspension as a steel reinforcement-inserted aluminum resh suspension component according to the present invention
3 is a view of an aluminum resh suspension component according to the prior art;

이하, 첨부된 도면을 참조로 하여 본 발명의 바람직한 실시예를 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1에 나타낸 바와 같이, 본 발명에 따른 스틸 보강재 삽입형 알루미늄재 서스펜션 부품(10)은 알루미늄 재질을 모재로 하여 성형되는 것으로서, 알루미늄 재질로 성형된 알루미늄 모재부(12)와 이 알루미늄 모재부(12)에 삽입된 형태로 내장된 스틸 보강재(14)를 포함하여 구성된다.As shown in FIG. 1, a steel reinforcement-inserted aluminum suspension part 10 according to the present invention is formed of an aluminum material as a base material and includes an aluminum base material part 12 formed of an aluminum material, And a steel reinforcement 14 embedded in a shape inserted into the steel reinforcing member 14.

상기 알루미늄재 서스펜션 부품(10)은 주조(casting) 공법으로 제조되며, 기존에 열간단조 공법으로 제작된 알루미늄 재질의 서스펜션용 컨트롤 암이나 단조와 주조를 혼합한 방식의 코바프레스(cobapress) 공법으로 제작된 알루미늄 재질의 서스펜션용 너클(도 3 참조) 대비 제조 비용이 절감되는 이점이 있다.The aluminum resh suspension component 10 is manufactured by a casting method and is manufactured by a cobapress method in which a control arm for suspension made of aluminum is manufactured by a conventional hot forging method or a mixture of forging and casting There is an advantage that the manufacturing cost is reduced compared to the aluminum knuckle for suspension (see FIG. 3).

또한, 상기 서스펜션용 컨트롤 암과 너클을 동일 공법으로 제조 가능함에 따라 제조 비용이 절감되는 이점도 있다.Further, since the suspension control arm and the knuckle can be manufactured by the same method, the manufacturing cost can be reduced.

상기 알루미늄 모재부(12)는 용해된 알루미늄 모재를 성형하고자 하는 부품에 따른 금형(혹은 주형)에 주입하여 컨트롤 암과 너클 등의 소정 모양을 갖는 주물로서 성형되는데, 용해된 알루미늄 모재를 금형에 주입하여 알루미늄 모재부(12)를 성형하기 전에 스틸 보강재(14)를 금형내 성형공간(알루미늄재 서스펜션 부품의 외관에 상응하는 공간으로 이루어짐)의 소정 위치에 삽입 배치한다.The aluminum base material part 12 is injected into a mold (or a mold) corresponding to the part to be molded, so that the molten aluminum base material is molded as a casting having a predetermined shape such as a control arm and a knuckle. The steel reinforcement member 14 is inserted and disposed at a predetermined position of the molding space in the mold (made up of a space corresponding to the appearance of the aluminum suspension member) before the aluminum base member 12 is molded.

다시 말해, 상기 금형내 성형공간에 스틸 보강재(14)를 삽입 배치한 뒤 용해된 알루미늄 모재를 상기 성형공간에 주입하여 스틸 보강재(14)를 둘러싼 형태의 알루미늄 모재부(12)를 성형한다.In other words, after the steel reinforcement 14 is inserted into the molding space in the mold, the molten aluminum base material is injected into the molding space to form the aluminum base material portion 12 surrounding the steel reinforcement 14. [

이렇게 스틸 보강재(14)를 인서트 부재로서 사용하여 알루미늄 모재부(12)를 주조 공법을 통해 성형함으로써 알루미늄 모재부(12)와 스틸 보강재(14)가 별도의 체결 과정 없이 일체로 부착되며, 이에 알루미늄 모재부(12)와 스틸 보강재(14) 간에 결합강도가 증대되는 이점이 있다.The aluminum base material part 12 and the steel reinforcement material 14 are integrally attached to each other without a separate fastening process by molding the aluminum base material part 12 using the steel reinforcement material 14 as an insert member, There is an advantage that the bonding strength between the base material portion 12 and the steel reinforcing material 14 is increased.

또한, 스틸 보강재(14)를 알루미늄 모재부(12)내에 삽입한 형태로 내장시킴으로써 기존 알루미늄재 서스펜션 부품의 동일 강도 대비 알루미늄 모재부(12)의 체적을 축소할 수 있고 이에 따른 원가 절감이 가능한 이점이 있다.In addition, since the steel reinforcement 14 is embedded in the aluminum base material part 12, the volume of the aluminum base material part 12 can be reduced compared to the same strength of the existing aluminum material suspension part, .

한편, 상기 스틸 보강재(14)는 알루미늄 모재부(12)내에 내장된 형태로 구성되어 알루미늄 모재부(12) 및 알루미늄재 서스펜션 부품(10)의 골조 역할을 하게 된다.The steel reinforcement 14 is built in the aluminum base material part 12 and functions as a framework of the aluminum base material part 12 and the aluminum suspension part 10. [

도 1에 보듯이, 스틸 보강재(14)는 스틸 재질로 이루어진 복수의 보강재 멤버(14a,14b)로 형성되고, 상기 복수의 보강재 멤버(14a,14b)가 상호 일체로 연결되어서 알루미늄 모재부(12)의 주요 지지 구조체로서 골조 기능을 한다.1, the steel reinforcing member 14 is formed of a plurality of reinforcing member members 14a and 14b made of a steel material, and the plurality of reinforcing member members 14a and 14b are integrally connected to each other to form an aluminum base member 12 ) As a main supporting structure.

구체적으로, 상기 스틸 보강재(14)는 복수의 보강재 멤버(14a,14b) 중 일부 보강재 멤버(메인 멤버)(14a)가 알루미늄 모재부(12)내에서 가장자리부에 배치되고 나머지 보강재 멤버(서브 멤버)(14b)가 상기 메인 멤버(14a) 사이에 일체로 연결되어 끊김없이 이어진 형태의 폐루프 구조로 이루어지며, 이러한 구조를 가지고 알루미늄 모재부(12)내에 배치됨으로써 알루미늄재 서스펜션 부품(10)의 강도를 효과적으로 보강하여 기존 스틸 재질의 서스펜션 부품 및 기존 알루미늄 재질의 서스펜션 부품(컨트롤 암 또는 너클)과 동등 수준의 내구 강성을 확보할 수 있도록 하는 동시에 경량화를 가능하게 한다.Specifically, the steel reinforcement 14 is formed such that a portion of the reinforcement member (main member) 14a of the plurality of reinforcement members 14a and 14b is disposed in the edge portion within the aluminum base material portion 12 and the other reinforcement member (14b) is integrally connected between the main members (14a) to form a closed loop structure. The aluminum member (12) is arranged in the aluminum base material part (12) It reinforces the strength effectively, making it possible to achieve the same durability as the suspension parts of conventional steel materials and suspension parts (control arms or knuckles) of conventional aluminum materials while at the same time enabling the weight reduction.

본 발명에 따른 알루미늄재 서스펜션 부품(10)으로서, 차량 주행시 차륜으로부터 여러 방향으로 하중을 받게 됨에 따라 일정 수준 이상의 강도가 요구되는 자동차 서스펜션용 너클 및 컨트롤 암 등을, 상기와 같이 스틸 보강재(14)를 인서트 부재로서 사용하여 주조 공법으로 제조할 수 있으며, 상기 컨트롤 암의 경우 구체적으로 전륜 로워암, 후륜 로워암, 전륜 텐션암 등이 있다.As the aluminum resh suspension part 10 according to the present invention, the automobile suspension knuckle and the control arm, which require a certain level of strength or more as a load is received from the wheel in various directions when the vehicle is traveling, As the insert member. The control arm may be a front wheel lower arm, a rear wheel lower arm, a front wheel tension arm, or the like.

이상으로 본 발명의 실시예에 대해 상세히 설명하였는바, 본 발명의 권리범위는 상술한 실시예에 한정되지 않으며, 다음의 특허청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 또한 본 발명의 권리범위에 포함된다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. Modifications are also included in the scope of the present invention.

10 : 알루미늄재 서스펜션 부품
12 : 알루미늄 모재부
14 : 스틸 보강재
14a,14b : 보강재 멤버10: Aluminum suspension parts
12: Aluminum base material part
14: Steel reinforcement
14a, 14b: Stiffener member

Claims (3)

알루미늄 모재부와 이 알루미늄 모재부내에 삽입된 스틸 보강재를 포함하여 구성되며,
알루미늄 모재를 금형에 주입하여 상기 알루미늄 모재부를 성형하기 전에, 상기 스틸 보강재를 상기 금형내에 삽입 배치한 뒤 알루미늄 모재를 주입하여서, 상기 알루미늄 모재부가 스틸 보강재를 내장된 형태로 주조 성형된 것을 특징으로 하는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품.
Comprising an aluminum base material part and a steel reinforcement material inserted into the aluminum base material part,
Characterized in that before the aluminum base material is injected into the metal mold to form the aluminum base material part, the steel reinforcement material is inserted into the metal mold and then the aluminum base material is injected so that the aluminum base material part is cast- Aluminum suspension parts with steel reinforcement insert.
청구항 1에 있어서,
상기 스틸 보강재는 알루미늄 모재부내에 내장된 복수의 보강재 멤버로 구성되고, 상기 복수의 보강재 멤버가 폐루프 구조로 연결되어서 알루미늄 모재부의 골조 기능을 하게 된 것을 특징으로 하는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품.
The method according to claim 1,
Wherein the steel reinforcement is composed of a plurality of reinforcement members embedded in the aluminum base member and the plurality of reinforcement members are connected in a closed loop structure to function as a framework of the aluminum base member.
청구항 1에 있어서,
상기 알루미늄재 서스펜션 부품은 서스펜션용 너클 또는 서스펜션용 컨트롤 암인 것을 특징으로 하는 스틸 보강재 삽입형 알루미늄재 서스펜션 부품.The method according to claim 1,
Wherein the aluminum resh suspension component is a suspension knuckle or suspension control arm.
KR1020160183450A 2016-12-30 2016-12-30 Steel insert type aluminium suspension parts KR20180079516A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070271793A1 (en) * 2003-10-20 2007-11-29 Magna International Inc. Hybrid Component
KR100846122B1 (en) * 2006-11-01 2008-07-14 장준수 Automotive front suspension lower arm connector and the manufacture method
JP2010120075A (en) * 2008-11-21 2010-06-03 Nippon Light Metal Co Ltd Base shape for suspension component, method for manufacturing the same, and bar-like compound material
JP2013018317A (en) * 2011-07-07 2013-01-31 Yorozu Corp Structure of vehicle parts
KR20130103669A (en) * 2010-06-10 2013-09-24 마그나 인터내셔널 인코포레이티드 Bi-metallic component and method
KR101393849B1 (en) * 2012-12-12 2014-05-12 현대자동차주식회사 Law arm for vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070271793A1 (en) * 2003-10-20 2007-11-29 Magna International Inc. Hybrid Component
KR100846122B1 (en) * 2006-11-01 2008-07-14 장준수 Automotive front suspension lower arm connector and the manufacture method
JP2010120075A (en) * 2008-11-21 2010-06-03 Nippon Light Metal Co Ltd Base shape for suspension component, method for manufacturing the same, and bar-like compound material
KR20130103669A (en) * 2010-06-10 2013-09-24 마그나 인터내셔널 인코포레이티드 Bi-metallic component and method
JP2013018317A (en) * 2011-07-07 2013-01-31 Yorozu Corp Structure of vehicle parts
KR101393849B1 (en) * 2012-12-12 2014-05-12 현대자동차주식회사 Law arm for vehicle

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