KR20100116081A - Control arm of vehicle and manufacturing method thereof - Google Patents

Control arm of vehicle and manufacturing method thereof Download PDF

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Publication number
KR20100116081A
KR20100116081A KR1020090034820A KR20090034820A KR20100116081A KR 20100116081 A KR20100116081 A KR 20100116081A KR 1020090034820 A KR1020090034820 A KR 1020090034820A KR 20090034820 A KR20090034820 A KR 20090034820A KR 20100116081 A KR20100116081 A KR 20100116081A
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KR
South Korea
Prior art keywords
reinforcing material
ball
housing
control arm
vehicle
Prior art date
Application number
KR1020090034820A
Other languages
Korean (ko)
Inventor
권태성
Original Assignee
주식회사 일진
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 주식회사 일진 filed Critical 주식회사 일진
Priority to KR1020090034820A priority Critical patent/KR20100116081A/en
Publication of KR20100116081A publication Critical patent/KR20100116081A/en

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Classifications

    • 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
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/005—Ball joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • 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
    • B60G2204/41—Elastic mounts, e.g. bushings
    • 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
    • B60G2204/416—Ball or spherical joints
    • 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
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • 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
    • B60G2206/81012—Shaping by casting by injection moulding
    • 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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Landscapes

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

Abstract

PURPOSE: A control arm of vehicle and a manufacturing method thereof are provided to make coupling structure securely by knurling processing the outer circumference of the metallic reinforcing material. CONSTITUTION: A control arm of vehicle(100) comprises a first and second reinforcing material(130), a bush housing(110), a ball housing(140), a bush(120) and a ball-joint. The first and second reinforcing material is made of metal material in a cylinder structure where concavo-convex is knurling processed in the outer circumference. The bush housing covers around the outer side surface of the first reinforcing material. The housing covers around the outer surface of the second reinforcing material. The bush is inserted in order to adhere closely to the inner side of the first reinforcing material. The ball-joint is inserted in order to adhere closely to the inner side of the second reinforcing material.

Description

CONTROL ARM OF VEHICLE AND MANUFACTURING METHOD THEREOF

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control arm of a vehicle and a method of manufacturing the same, and more particularly, to a control arm of a vehicle coupled to a vehicle body and connected to a wheel on one side thereof and a method of manufacturing the same.

In general, the suspension of a vehicle includes a chassis spring that connects the axle and the body and mitigates the shock from the road while driving, a shock absorber that absorbs the free vibration of the spring, and a stabilizer that prevents the vehicle from swinging left and right. And the like.

Suspension is divided into front suspension and rear suspension according to the installation position. The front suspension supports the weight of the car by connecting the frame and the axle, absorbs the vibration of the wheel, and installs a part of the steering mechanism. .

In addition, the front suspension system can be laid down according to the shape of the front axle and the suspension suspension type.In general, the independent suspension type is frequently used in passenger cars that emphasizes the comfort and maneuverability, and the axle suspension type is frequently used in buses and trucks. use.

In particular, the independent suspension type divides the axle to allow both wheels to move independently of each other to improve ride comfort and stability, and is divided into a wishbone type and a McPherson type.

Here, the wishbone type is composed of upper and low control arms, steering knuckles, coil springs, and the like, so that the wheel is cushioned by a spring to move up and down. In the wishbone type, the braking force and the turning force generated on the wheel are all supported by the control arm, and the spring supports only the vertical direction.

On the other hand, the rigidity against vibration and at the same time the control arm should be light in order to increase the ride comfort, for this purpose, the material is being changed to steel, aluminum, plastic. In particular, when manufacturing the control arm made of plastic, the durability of the part connected to the ball joint and the bush should be good.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a control arm having a small weight and improved durability of the bush and ball joint connection parts.

Control arm of the vehicle according to an embodiment of the present invention for achieving this object, the first and second reinforcing material of the cylindrical structure of the concave-convex irregularities on the outer peripheral surface; And the bushing housing surrounding the outer surface of the first reinforcing material and the ball housing surrounding the outer surface of the second reinforcing material is characterized in that it comprises a plastic arm which is integrally formed on both sides by insert injection.

A bush inserted into close contact with an inner surface of the first reinforcing material; And it may further include a ball joint inserted to be in close contact with the inner surface of the second reinforcing material.

An exposure part may be formed at a lower end of the second reinforcing material from a lower end of the housing when the insert is injected into the housing.

The ball joint is a bearing that is formed so that the upper opening is formed to be in close contact with the inside of the second reinforcing material, the ball is inserted into the groove at one end is formed and the other end is extended through the opening of the groove The ball stud may further include a cap bent to support the exposed part to close a lower end of the opening of the ball housing.

A bush hole hinged to one side of the frame of the vehicle may be formed at the center of the bush.

The plastic control arm may include a first arm having a bushing housing formed at one end thereof and a ball housing formed at the other end thereof; And a second arm formed at a predetermined angle with the first arm and integrally formed with a portion where the ball housing is formed.

Cylindrical metal first and second reinforcement, the bushing housing surrounding the outer surface of the first reinforcing material and the ball housing surrounding the outer surface of the second reinforcing material plastic arms formed on both sides, the bush mounted to the inside of the first reinforcing material, And a ball joint mounted inside the second reinforcement, the method of manufacturing a control arm of a vehicle comprising: a knurling processing step of knurling an outer circumferential surface of the first and second reinforcement materials, and the first and second reinforcement materials, respectively. It may include an insert injection step of forming a plastic arm by insert injection molding the bushing housing and the ball housing.

A secondary market attachment step of press-fitting the bush inside the first reinforcing material; And it may further comprise a ball joint mounting step of mounting the ball joint inside the second reinforcing material.

In the insert injection step, the lower end of the second reinforcing material is preferably such that the exposed portion is formed from the lower end of the housing of the housing.

The ball joint is a bearing that is formed so that the upper opening is formed to be in close contact with the inside of the second reinforcing material, the ball is inserted into the groove at one end is formed and the other end is extended through the opening of the groove It includes a ball stud and a cap disposed in the opening of the ball housing, the ball joint mounting step, it is preferable to further include a bending step of bending the exposed portion to close the lower end of the opening of the ball housing.

According to the control arm of the vehicle according to the present invention as described above, the first and second reinforcing material by knurling the fine irregularities on the outer circumferential surface of the metallic first and second reinforcing material, and the ball housing and bushing housing of the control arm made of plastic When integrally injection molded, the joining structure is rigid, reducing the overall weight and improving its durability.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The control arm according to the embodiments of the present invention is applied to a suspension system and a steering apparatus that connects the axle and the vehicle body to control the axle from being transmitted from the road surface so that the axle is not directly transmitted to the vehicle body.

Here, the structures of the suspension and the steering system are well known to those skilled in the art, and thus are not specifically illustrated in the drawings, and detailed descriptions thereof will be omitted.

1 is a side view of a control arm of a vehicle according to an embodiment of the present invention.

Referring to FIG. 1, an annular bushing 110 is formed at one end of a control arm 100 of a vehicle, and a first reinforcement 130 is provided at an inner circumferential surface of the bushing 110. A bush is press-fitted into the first reinforcing material 130 and a bush hole 122 is formed at the center of the bush 120 to be coupled to the hinge of the vehicle body.

The right end of the control arm 100 is formed with a ring-shaped ball housing 140, the ball joint is mounted into the ball housing 140. The ball joint includes a ball stud 150 and a dust cover 160, and the ball stud 150 is connected to a wheel of a vehicle and has a structure in which the bush hole 122 moves up and down by a hinge axis.

2 is a cross-sectional view of the ball housing and the ball joint in the control arm of the vehicle according to an embodiment of the present invention.

Referring to FIG. 2, the ball housing 140 has a structure that is vertically open, and the second reinforcing material 210 of metal material is in close contact with the inner surface thereof.

The second reinforcing material 210 is a cylindrical shape penetrated up and down, the upper end is formed to be bent inward, the lower edge is formed with an exposed portion 212 to be exposed to the lower portion of the ball housing 140.

Inside the second reinforcement 210 is mounted a bearing 200 made of a conventional plastic material, the inside of the bearing 200 is formed with a groove having an open top, the top is the second reinforcement 210 Corresponding to), the inner diameter thereof becomes smaller.

In addition, a ball is formed at the end of the ball stud 150, the ball has a structure that is pressed into the bearing 200.

Cap 220 is disposed on the bottom surface of the ball housing 140 to close the open portion, the cap 220 is bent and fixed to the exposed portion 212 of the second reinforcing material 210 Has Here, the exposed portion 212 may be continuously formed along the lower edge of the second reinforcing material 210 or at intervals.

A cylindrical dust cover 160 is mounted to prevent dust or foreign matter from entering between the bearing 200 and the ball of the ball stud 150, and an inner surface of the lower end of the dust cover 160 is the ball housing 140. It is in close contact with the outer circumferential surface of the upper end inner surface has a structure in close contact with the outer circumferential surface of the ball stud 150.

In an embodiment of the present invention, the control arm 100 is made of plastic and the first and second reinforcement materials 130 and 210 are formed of a metal material, thereby reducing the overall weight and improving durability of the connection part. The strength of the first and second reinforcing materials (130, 210) and the bushing housing 110 and the ball housing 140 contact the overall durability.

3 is a cross-sectional perspective view of the bushing housing and the bush in the control arm of the vehicle according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the ball housing and the second reinforcement in the control arm of the vehicle according to an embodiment of the present invention.

Referring to FIG. 3, a cylindrical first reinforcement 130 is installed on an inner circumferential surface of the bushing 110 formed at an end of the control arm 100, and the bush 120 is press-fitted therein. A bush hole 122 through which a hinge portion of the vehicle body penetrates is formed at the center of the bush 120.

Referring to FIG. 4, the second reinforcement 210 is formed by insert injection along with the ball housing 140 formed at the end of the control arm 100, and the ball is formed on the inner circumferential surface of the second reinforcement 210. The joint is coupled, and an exposed portion 212 is formed at the lower end of the second reinforcement 210.

5 is a cross-sectional view of the second reinforcement in the control arm of the vehicle according to an embodiment of the present invention, Figure 6 is a perspective view of the first reinforcement in the control arm of the vehicle according to an embodiment of the present invention.

Referring to FIG. 5, the second reinforcement 210 has a cylindrical shape, and an upper opening portion 505 is formed at an upper portion thereof, and a lower opening portion 510 is formed at a lower portion thereof. The upper opening 505 is bent inwardly so that the diameter of the bearing 200 is smaller to prevent the bearing 200 from escaping upward, and is formed to insert the bearing 200 through the lower opening 510. The diameter of the cap 220 may be large so that the cap 220 may be disposed between the exposed portions 212.

Referring to FIG. 6, the first reinforcing material 130 has a ring shape, and an outer circumferential surface of the first reinforcement material is insert-injected integrally with the bushing 110, and has a structure in which the bush 120 is pressed into the inner circumferential surface thereof.

5 and 6, the outer circumferential surface of the first reinforcement 130 is the bushing housing when the metallic first reinforcement material 130 and the bushing housing 110 made of plastic are integrally insert injection molded. It is in close contact with the inner circumferential surface of the 110, in order to increase the bonding strength therebetween, fine irregularities are knurled in the outer circumferential surface of the first reinforcing material (130).

In addition, when the metallic second reinforcement 210 and the ball housing 140 made of plastic are integrally injection molded, the outer circumferential surface of the second reinforcement 210 is in close contact with the inner circumferential surface of the ball housing 140. In order to increase the bonding strength therebetween, fine irregularities are knurled on the outer circumferential surface of the second reinforcement 210.

7 is a manufacturing flowchart of the control arm of the vehicle according to an embodiment of the present invention.

Referring to FIG. 7, the control arm manufacturing method includes a knurling processing step (S70), an insert injection step (S71), a bush pressing step (S72), and a ball joint mounting step (S73).

In the knurling processing step (S70), the fine concavo-convex on the outer circumferential surface of the first, second reinforcing materials (130, 210), knurling processing, in the insert injection step (S71), the first, second reinforcing materials (130, 210) In addition, the bushing housing 110 and the ball housing 140 are integrally insert-molded to form the control arm 100.

In addition, the bush pressing step (S72) press-fits the bush 120 into the first reinforcing material 130, and the ball joint mounting step (S73) is the ball joint into the second reinforcing material (210). Characterized in that the mounting.

The ball joint mounting step may further include a ball joint assembly step of manufacturing the ball joint, and the ball joint assembly step may include pressing the ball of the ball stud 150 into the bearing 200, and Inserting the ball stud 150 and the bearing 200 into the second reinforcing material 210, placing the cap 220 in the opening of the ball housing 140, and the exposed part 212. B) fixing the cap 220 to support the bearing 200.

In the embodiment of the present invention, the detailed description of the dust cover assembly method and its structure will be omitted.

8 is a perspective view of a control arm of a vehicle according to another embodiment of the present invention. 1 is a type I control arm, and FIG. 8 discloses a type A control arm.

Referring to FIG. 8, the control arm 800 forms a first angle with the first arm 800a, the first arm 800a, and one end of which is integrally connected to one end of the first arm 800a. 800b, a ball housing 820 formed at a portion where the first arm 800a and the second arm 800b are integrally connected, and the first arm 800a and the second side opposite to the ball housing 820. Bushings 810 formed at the end of arm 800b.

The bushing housing 810 is formed by insert injection of the first reinforcing material 830 integrally, and the ball housing 820 is formed by insert injection of the second reinforcing material 840 integrally. 800 is produced.

As shown, the first and second reinforcing materials (830, 840) are all formed in a cylindrical shape, the outer peripheral surface of the fine irregularities are all knurled, the first, second reinforcing materials (830, 840) is a metallic material, Since the ball housing 820 and the bushing 810 of the control arm 800 are made of plastic, they are prevented from being separated.

As described above, a bush is pressed into the first reinforcement 830 and the ball joint is installed in the second reinforcement 840.

The detailed structure in which the bush and the ball joint are mounted to the first and second reinforcing materials 830 and 840 will be omitted with reference to the description, drawings, and known structures described so far.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and easily changed and equalized by those skilled in the art from the embodiments of the present invention. It includes all changes to the extent deemed acceptable.

1 is a side view of a control arm of a vehicle according to an embodiment of the present invention.

2 is a cross-sectional view of the ball housing and the ball joint in the control arm of the vehicle according to an embodiment of the present invention.

3 is a cross-sectional perspective view of the bushing housing and the bush in the control arm of the vehicle according to an embodiment of the present invention.

4 is a cross-sectional view of the ball housing and the second reinforcing material in the control arm of the vehicle according to the embodiment of the present invention.

5 is a cross-sectional view of the second reinforcing material in the control arm of the vehicle according to an embodiment of the present invention.

6 is a perspective view of the first reinforcing material in the control arm of the vehicle according to the embodiment of the present invention.

7 is a manufacturing flowchart of the control arm of the vehicle according to an embodiment of the present invention.

8 is a perspective view of a control arm of a vehicle according to another embodiment of the present invention.

Claims (10)

First and second reinforcing materials, which are metal materials having a cylindrical structure in which irregularities are knurled on an outer circumferential surface thereof; And Bushing housing surrounding the outer surface of the first reinforcing material and the ball housing surrounding the outer surface of the second reinforcing material is injection molded plastic arm integrally formed on both sides Control arm of the vehicle comprising a. The method of claim 1, A bush inserted into close contact with an inner surface of the first reinforcing material; And The control arm of the vehicle further comprises a ball joint inserted to be in close contact with the inner surface of the second reinforcing material. The method of claim 1, The control arm of the vehicle has an exposed portion from the lower end of the housing at the lower end of the second reinforcement when the insert injection of the housing. The method of claim 3, wherein The ball joint, A bearing having an upper opening formed therein and inserted into close contact with the inside of the second reinforcing material; A ball stud formed at one end thereof and inserted into the groove, and the other end extending through the opening of the groove; And The control arm of the vehicle further includes a cap bent by the exposed portion to close the lower end of the opening of the ball housing. 3. The method of claim 2, The control arm of the vehicle in the center of the bush is formed in the center of the bush hole hinged to one side of the vehicle frame. The method of claim 1, The plastic control arm, A first arm having a bushing housing formed at one end and a ball housing formed at the other end thereof; And The control arm of the vehicle comprising a second arm formed at a predetermined angle with the first arm and integrally formed with a portion in which the ball housing is formed. Cylindrical metal first and second reinforcement, the bushing housing surrounding the outer surface of the first reinforcing material and the ball housing surrounding the outer surface of the second reinforcing material plastic arms formed on both sides, the bush mounted to the inside of the first reinforcing material, And a ball joint mounted inside the second reinforcing material. A knurling processing step of knurling the outer circumferential surface of the first and second reinforcing materials; And And insert inserting the bushing housing and the ball housing surrounding the first and second reinforcing materials to form a plastic arm. The method of claim 7, wherein A secondary market attachment step of press-fitting the bush inside the first reinforcing material; And And a ball joint mounting step of mounting the ball joint inside the second reinforcing material. The method of claim 7, wherein In the insert injection step, The control arm of the vehicle to form an exposed portion from the bottom of the housing of the housing at the bottom of the second reinforcing material. The method of claim 9, The ball joint, A bearing having an upper groove formed therein and inserted into close contact with the inside of the second reinforcing material, a ball inserted into the groove at one end thereof, and a ball stud having the other end extending through the opening of the groove, and the A cap disposed in the opening of the ball housing, The ball joint mounting step, And a bending step of bending the exposed portion to close the lower end of the opening of the ball housing.
KR1020090034820A 2009-04-21 2009-04-21 Control arm of vehicle and manufacturing method thereof KR20100116081A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104309426A (en) * 2014-10-28 2015-01-28 安徽江淮汽车股份有限公司 Control arm assembly with turned edge sleeve structure and manufacturing technology for control arm assembly
CN107303597A (en) * 2016-11-30 2017-10-31 上海汇众汽车制造有限公司 Back axle aluminum alloy control arm building mortion and manufacturing process
WO2018124609A1 (en) * 2016-12-28 2018-07-05 주식회사 일진 Hybrid suspension arm for vehicle and method for manufacturing same
CN108602405A (en) * 2016-02-04 2018-09-28 日进株式会社 Globe joint and its manufacturing method
CN108602404A (en) * 2016-02-04 2018-09-28 日进株式会社 Globe joint and its manufacturing method
WO2020148054A1 (en) * 2019-01-16 2020-07-23 Zf Friedrichshafen Ag Joint and/or bearing for a chassis part, chassis part having such a joint and/or bearing, and method for producing such a joint, bearing and/or chassis part
WO2020207671A1 (en) * 2019-04-11 2020-10-15 Zf Friedrichshafen Ag Plastic component with a bearing eye and method for producing same
KR20210013446A (en) 2019-07-25 2021-02-04 프로텍코리아 주식회사 Suspension arm for vehicle and its Manufacturing method
US10953577B2 (en) 2015-12-30 2021-03-23 Iljin Co., Ltd. Vehicular hybrid suspension arm and manufacturing method thereof
KR20220111131A (en) 2021-02-01 2022-08-09 프로텍코리아 주식회사 Manufacturing method of control arm using composite materials and control arm made by its method
CN115319403A (en) * 2021-05-10 2022-11-11 江苏金卡汽车部件有限公司 Encircling machining method for automobile control arm

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104309426A (en) * 2014-10-28 2015-01-28 安徽江淮汽车股份有限公司 Control arm assembly with turned edge sleeve structure and manufacturing technology for control arm assembly
US10953577B2 (en) 2015-12-30 2021-03-23 Iljin Co., Ltd. Vehicular hybrid suspension arm and manufacturing method thereof
EP3412480A4 (en) * 2016-02-04 2019-09-11 Iljin Co., Ltd. Ball joint and manufacturing method therefor
CN108602405A (en) * 2016-02-04 2018-09-28 日进株式会社 Globe joint and its manufacturing method
CN108602404A (en) * 2016-02-04 2018-09-28 日进株式会社 Globe joint and its manufacturing method
EP3412479A4 (en) * 2016-02-04 2019-09-11 Iljin Co., Ltd. Ball joint and manufacturing method therefor
CN107303597B (en) * 2016-11-30 2019-05-10 上海汇众汽车制造有限公司 Rear axle aluminum alloy control arm forming device and manufacturing process
CN107303597A (en) * 2016-11-30 2017-10-31 上海汇众汽车制造有限公司 Back axle aluminum alloy control arm building mortion and manufacturing process
WO2018124609A1 (en) * 2016-12-28 2018-07-05 주식회사 일진 Hybrid suspension arm for vehicle and method for manufacturing same
WO2020148054A1 (en) * 2019-01-16 2020-07-23 Zf Friedrichshafen Ag Joint and/or bearing for a chassis part, chassis part having such a joint and/or bearing, and method for producing such a joint, bearing and/or chassis part
WO2020207671A1 (en) * 2019-04-11 2020-10-15 Zf Friedrichshafen Ag Plastic component with a bearing eye and method for producing same
KR20210013446A (en) 2019-07-25 2021-02-04 프로텍코리아 주식회사 Suspension arm for vehicle and its Manufacturing method
KR20220111131A (en) 2021-02-01 2022-08-09 프로텍코리아 주식회사 Manufacturing method of control arm using composite materials and control arm made by its method
CN115319403A (en) * 2021-05-10 2022-11-11 江苏金卡汽车部件有限公司 Encircling machining method for automobile control arm
CN115319403B (en) * 2021-05-10 2024-02-20 江苏金卡汽车部件有限公司 Encircling type machining method for automobile control arm

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