KR100397999B1 - Support for durability tester of rear axle housing - Google Patents

Support for durability tester of rear axle housing Download PDF

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Publication number
KR100397999B1
KR100397999B1 KR10-2001-0039805A KR20010039805A KR100397999B1 KR 100397999 B1 KR100397999 B1 KR 100397999B1 KR 20010039805 A KR20010039805 A KR 20010039805A KR 100397999 B1 KR100397999 B1 KR 100397999B1
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KR
South Korea
Prior art keywords
support
rear axle
axle housing
endurance test
rotating shaft
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KR10-2001-0039805A
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Korean (ko)
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KR20030003937A (en
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박동석
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현대자동차주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12—Torque-transmitting axles
    • B60B35/16—Axle housings
    • B60B35/163—Axle housings characterised by specific shape of the housing, e.g. adaptations to give space for other vehicle elements like chassis or exhaust system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0078—Testing material properties on manufactured objects
    • G01N33/0083—Vehicle parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

실차 상태에서와 같이, 리어액슬 하우징의 거동이 재현될 수 있도록 하여 보다 신뢰성 있는 내구시험 결과를 얻을 수 있도록 하는 리어액슬 하우징 내구시험용 지지대를 제공할 목적으로,As in the actual vehicle state, for the purpose of providing a support for the rear axle housing endurance test that allows the behavior of the rear axle housing to be reproduced to obtain more reliable endurance test results.

리어액슬 하우징의 양측 스프링 시트 상에, 상부 고정체에 고정된 작동실린더의 로드 선단과 연결되는 작동 프레임을 설치하여 상기 작동실린더가 시험 하중을 반복하여 전달함으로서, 상기 리어액슬 하우징의 내구수명을 시험할 수 있도록 상기 리어액슬 하우징의 양단 스핀들부를 작업실 바닥면 상에서 지지하여 주는 리어액슬 하우징 내구시험용 지지대에서,On both spring seats of the rear axle housing, an operating frame connected to the rod end of the operating cylinder fixed to the upper fixture is installed, and the operating cylinder repeatedly delivers the test load, thereby testing the endurance life of the rear axle housing. In the rear axle housing endurance test support for supporting the spindle portion of the rear axle housing on the floor of the work room so that,

상기 스핀들부와 구름접촉 되도록 중앙부가 오목하게 형성되며, 양단은 소정간격 직경이 일정한 회전축으로 형성되는 롤링 지지대와; 상기 롤링 지지대의 양단 회전축을 각각 작업실 바닥면에 대하여 회전 가능하게 지지하도록 고정 플레이트 상에 세워지는 지지블럭 내부에 상기 회전축과 결합하는 베어링를 구성한 고정 서포트로 이루어지는 것을 특징으로 하는 리어액슬 하우징 내구시험용 지지대를 제공한다.A rolling support having a central portion concave so as to be in contact with the spindle portion, the both ends being formed with a rotating shaft having a predetermined interval diameter; The support for the rear axle housing endurance test, characterized in that the support for supporting the rotating shaft in the support block erected on the fixed plate to support the rotary shaft of both ends of the rolling support, respectively, to form a bearing coupled to the rotating shaft. to provide.

Description

리어액슬 하우징 내구시험용 지지대 {SUPPORT FOR DURABILITY TESTER OF REAR AXLE HOUSING}Rear Axle Housing Durability Test Support {SUPPORT FOR DURABILITY TESTER OF REAR AXLE HOUSING}

본 발명은 리어액슬 하우징 내구시험용 지지대에 관한 것으로, 보다 상세하게는 실차 상태에서와 같이, 리어액슬 하우징의 거동이 재현될 수 있도록 하여 보다 신뢰성 있는 내구시험 결과를 얻을 수 있도록 하는 리어액슬 하우징 내구시험용 지지대에 관한 것이다.The present invention relates to a support for the rear axle housing endurance test, and more specifically, for the rear axle housing endurance test to enable the behavior of the rear axle housing to be reproduced as in the actual vehicle state, thereby obtaining more reliable endurance test results. It's about support.

일반적으로 자동차 메이커에서 최초, 신차 개발시에는 개발된 완성 차량의 여러 부분에서의 내구성을 체크하기 위하여 다양한 시험을 하게되는데, 이는 일정한 기준을 마련하고 이 기준에 합당한지 여부에 따라 완성도를 체크하게 된다.In general, when a car manufacturer first develops a new car, various tests are performed to check durability of various parts of the developed vehicle. This is to establish a certain standard and check the completeness according to whether the standard is met.

특히, 리어액슬 하우징은 구동부로서 운전자의 안전과 직결되는 바, 이의 내구시험은 차체의 하중에 대한 충분한 내구력을 판단하는 근거가 되는 것이다.In particular, the rear axle housing is directly connected to the driver's safety as a driving part, and its endurance test is the basis for judging sufficient durability against the load of the vehicle body.

도 5는 종래 기술에 의한 리어액슬 하우징 내구시험장치의 전체 구성도로서, 종래 리어액슬 하우징 내구시험장치의 구성은 리어액슬 하우징(51)의 양단 스핀들부(53,55)를 지지대(57)를 통하여 작업실 바닥면(59) 상에 지지시켜 설치하고, 상기 리어액슬 하우징(51)의 양측 스프링 시트(61,63) 상에는 상부 고정체(65)에 고정된 작동실린더(67)의 로드(69) 선단과 연결되는 작동 프레임(71)을 설치하여 상기 작동실린더(67)가 차체의 3배에 해당하는 SIN파형의 시험 하중(F)을 반복하여 전달함으로서, 상기 스핀들부(53,55)와 리어액슬 하우징(51)의 연결부분에 크랙이 발생되는 시점까지의 수명을 평가함으로서 실험이 이루어진다.FIG. 5 is an overall configuration diagram of a rear axle housing endurance test apparatus according to the related art, and a configuration of a conventional rear axle housing endurance test apparatus includes the spindles 53 and 55 at both ends of the rear axle housing 51. Rod 69 of the working cylinder 67 supported and installed on the work room bottom surface 59 and fixed to the upper fixture 65 on both spring seats 61 and 63 of the rear axle housing 51. By installing the operation frame 71 connected to the front end, the operation cylinder 67 repeatedly transmits the test load (F) of the SIN waveform corresponding to three times the body of the vehicle, thereby the spindle (53, 55) and the rear Experiments are conducted by evaluating the lifespan up to the point where a crack occurs in the connection portion of the axle housing 51.

이때, 상기 리어액슬 하우징 내구시험용 지지대(57)는, 도 6에서와 같이, 양측으로 가이드판(73)과, 이 가이드판(73) 사이에 상기 스핀들부(53,55)가 접촉되어 지지되는 고정식 서포트 블록(75)이 개재되어 이루어진다.At this time, the support shaft 57 for the rear axle housing endurance test, as shown in Figure 6, the guide plate 73 and the spindle portion (53, 55) is supported in contact between the guide plate 73 on both sides. The fixed support block 75 is interposed.

그러나 상기한 바와 같은 종래의 리어액슬 하우징 내구시험용 지지대에 의하면, 도 7에서와 같이, 서포트 블록이 고정되어 있어 시험 하중(F) 작용시, 상기 스핀들부 지지점(P)에서의 반력이 수직방향으로만 작용하는 실차 상태와 달리 수직 반력(F1)과 함께, 인장력(F2)에 의한 수평방향으로의 수평 반력(F3)이 작용하여 실차 상태를 그대로 재현할 수 없었으며, 이로 인하여 리어액슬 하우징의 신뢰성 있는 내구시험 결과를 확보할 수 없다는 문제점을 내포하고 있다.However, according to the conventional support for the rear axle housing endurance test as described above, as shown in Fig. 7, the support block is fixed so that when the test load F is applied, the reaction force at the spindle point support point P in the vertical direction is applied. Unlike the actual vehicle state that acts only, the vertical reaction force (F1) and the horizontal reaction force (F3) in the horizontal direction due to the tension force (F2) acts to reproduce the actual vehicle state as it is, and therefore the reliability of the rear axle housing There is a problem that can not obtain the endurance test results.

따라서 본 발명은 상기한 바와 같은 문제점을 해경하기 위하여 창출된 것으로써, 본 발명의 목적은 실차 상태에서와 같이, 리어액슬 하우징의 거동이 재현될 수 있도록 하여 보다 신뢰성 있는 내구시험 결과를 얻을 수 있도록 하는 리어액슬 하우징 내구시험용 지지대를 제공하는 것이다.Therefore, the present invention was created to solve the problems as described above, the object of the present invention, as in the actual vehicle state, so that the behavior of the rear axle housing can be reproduced to obtain more reliable endurance test results It is to provide a support for the rear axle housing endurance test.

도 1은 본 발명이 적용되는 리어액슬 하우징 내구시험장치의 전체 구성을 도시한 사시도이다.1 is a perspective view showing the entire configuration of a rear axle housing endurance test apparatus to which the present invention is applied.

도 2는 본 발명에 따른 리어액슬 하우징 내구시험용 지지대의 사시도이다.Figure 2 is a perspective view of the support for the rear axle housing endurance test according to the present invention.

도 3은 도 2의 A-A선에 따른 부분 단면도이다.3 is a partial cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명에 따른 리어액슬 하우징 내구시험용 지지대의 작동 상태도이다.4 is an operational state diagram of the support for the rear axle housing durability test according to the present invention.

도 5는 종래 기술에 의한 리어액슬 하우징 내구시험장치의 전체 구성도이다.5 is an overall configuration diagram of a rear axle housing durability test apparatus according to the prior art.

도 6은 종래 기술에 따른 리어액슬 하우징 내구시험용 지지대의 사시도이다.Figure 6 is a perspective view of the support for the rear axle housing endurance test according to the prior art.

도 7은 종래 기술에 따른 리어액슬 하우징 내구시험용 지지대의 작동 상태도이다.Figure 7 is a state diagram of the operation of the support for the rear axle housing endurance test according to the prior art.

상기한 바와 같은 목적을 달성하기 위하여 본 발명에 따른 리어액슬 하우징 내구시험용 지지대는 리어액슬 하우징의 양측 스프링 시트 상에, 상부 고정체에 고정된 작동실린더의 로드 선단과 연결되는 작동 프레임을 설치하여 상기 작동실린더가 시험 하중을 반복하여 전달함으로서, 상기 리어액슬 하우징의 내구수명을 시험할 수 있도록 상기 리어액슬 하우징의 양단 스핀들부를 작업실 바닥면 상에서 지지하여 주는 리어액슬 하우징 내구시험용 지지대에서,In order to achieve the above object, the support for the rear axle housing endurance test according to the present invention is installed on both spring seats of the rear axle housing by installing an operation frame connected to the rod end of the operation cylinder fixed to the upper fixture. In the rear axle housing endurance test support which supports the spindle part of both ends of the rear axle housing on the floor of the work room so that the working cylinder repeatedly transmits the test load so that the endurance life of the rear axle housing can be tested.

상기 스핀들부와 구름접촉 되도록 중앙부가 오목하게 형성되며, 양단은 소정간격 직경이 일정한 회전축으로 형성되는 롤링 지지대와;A rolling support having a central portion concave so as to be in contact with the spindle portion, the both ends being formed with a rotating shaft having a predetermined interval diameter;

상기 롤링 지지대의 양단 회전축을 각각 작업실 바닥면에 대하여 회전 가능하게 지지하도록 고정 플레이트 상에 세워지는 지지블럭 내부에 상기 회전축과 결합하는 베어링를 구성한 고정 서포트로 이루어지는 것을 특징으로 한다.It characterized in that it consists of a fixed support consisting of a bearing coupled to the rotating shaft in the support block which is built on the fixed plate so as to rotatably support the rotating shaft of both ends of the rolling support with respect to the floor of the work room, respectively.

이하 본 발명의 바람직한 구성 및 작용을 첨부한 도면에 의거하여 보다 상세하게 설명하면 다음과 같다.Hereinafter, the preferred configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명이 적용되는 리어액슬 하우징 내구시험장치의 전체 구성을 도시한 사시도로서, 도 2는 본 발명에 따른 리어액슬 하우징 내구시험용 지지대의 사시도로서, 먼저, 본 발명에 따른 리어액슬 하우징 내구시험용 지지대가 적용되는 리어액슬 하우징 내구시험장치의 구성을 살펴보면, 리어액슬 하우징(1)의 양단 스핀들부(3,5)를 본 발명에 의한 지지대(7)를 통하여 작업실 바닥면(9) 상에 지지시켜 설치하고, 상기 리어액슬 하우징(1)의 양측 스프링 시트(11,13) 상에는 상부 고정체(15)에 고정된 작동실린더(17)의 로드(19) 선단과 연결되는 작동 프레임(21)을 설치하여 상기 작동실린더(17)가 차체의 3배에 해당하는 SIN파형의 시험 하중(F)을 반복하여 전달함으로서, 상기 스핀들부(3,5)와 리어액슬 하우징(1)의 연결부분에 크랙이 발생되는 시점까지의 수명을 평가함으로서 시험이 이루어진다.Figure 1 is a perspective view showing the overall configuration of the rear axle housing endurance test apparatus to which the present invention is applied, Figure 2 is a perspective view of the support for the rear axle housing endurance test according to the present invention, first, the rear axle housing endurance according to the present invention Referring to the configuration of the rear axle housing endurance test apparatus to which the test support is applied, the spindle portions 3 and 5 of the rear axle housing 1 are placed on the work room bottom surface 9 through the support 7 according to the present invention. An operating frame 21 connected to the front end of the rod 19 of the operating cylinder 17 fixed to the upper fixing body 15 on both spring seats 11 and 13 of the rear axle housing 1. By repeatedly installing and transmitting the test load (F) of the SIN waveform corresponding to three times the vehicle body, the operating cylinder (17) to the connecting portion of the spindle (3, 5) and the rear axle housing (1) Lifespan to the point of cracking This assessment is made by the test.

이때, 본 발명에 따른 상기 지지대(7)는, 도 2와 도 3에서 도시한 바와 같이, 상기 스핀들부(3,5)와 구름접촉 되도록 중앙부(31)가 오목하게 형성되는 롤링 지지대(33)가 구비되며, 이 롤링 지지대(33)는 그 양단에 소정간격만큼 직경이 일정하게 형성되는 회전축(35)이 구성된다.At this time, the support 7 according to the present invention, as shown in Figures 2 and 3, the rolling support 33, the central portion 31 is formed concave so as to make a rolling contact with the spindle (3, 5). Is provided, the rolling support 33 has a rotating shaft 35 is formed at both ends thereof with a constant diameter by a predetermined interval.

그리고 상기 롤링 지지대(33)의 양단 회전축(35)을 각각 상기 작업실 바닥면 (9)에 대하여 회전 가능하게 지지하도록 고정 서포트(37)가 구성된다.And the fixed support 37 is configured to rotatably support the rotary shaft 35 at both ends of the rolling support 33 with respect to the work room bottom surface 9, respectively.

이때, 상기 고정 서포트(37)는 상기 작업실 바닥면(9)에 고정 체결되는 고정플레이트(39) 상에 지지블럭(41)이 세워지며, 이 지지블럭(41)의 내부에는 상기 롤링 지지대(33)의 회전축(35)과 결합하는 베어링(43)으로 구성된다.At this time, the fixing support 37 is a support block 41 is erected on the fixing plate 39 fixed to the bottom surface 9 of the workshop, the rolling support 33 inside the support block 41 It is composed of a bearing 43 is coupled to the rotating shaft 35 of the).

따라서, 상기한 바와 같은 구성을 갖는 리어액슬 하우징 내구시험용 지지대에 의하면, 상기 구동실린더(17)에 의한 시험 하중(F)이 상기 리어액슬 하우징(1)의 양측 스프링 시트(11,13) 상에 작동 프레임(21)을 통하여 작용하면, 상기 스핀들부 지지점(P)에는 수직 반력(t1)이 작용하며, 인장력(f2)에 의한 수평방향으로의 수평 반력(f3)은 상기 고정 서포트(37)에 의해 지지되는 롤링 지지대(33)가 회전하여 상기 스핀들부 지지점(P')을 옮기면서 상쇄시키게 된다.Therefore, according to the support for the rear axle housing endurance test having the configuration as described above, the test load F by the drive cylinder 17 is placed on both spring seats 11 and 13 of the rear axle housing 1. When acting through the operation frame 21, a vertical reaction force t1 acts on the spindle support point P, and a horizontal reaction force f3 in the horizontal direction due to the tension force f2 is applied to the fixed support 37. Rolling support 33 is supported by the rotation is offset by moving the spindle support point (P ').

이에 따라 본 발명에 따른 상기 리어액슬 하우징 내구시험용 지지대는 실차 상태에서와 같이, 리어액슬 하우징(1)의 거동을 재현하면서 보다 신뢰성 있는 리어액슬 하우징 내구시험 결과를 얻을 수 있게 되는 것이다.Accordingly, the support for the rear axle housing endurance test according to the present invention can obtain a more reliable rear axle housing endurance test result while reproducing the behavior of the rear axle housing 1 as in the actual vehicle state.

상술한 바와 같이 본 발명에 따른 리어액슬 하우징 내구시험용 지지대에 의하면, 실차 상태에서와 같이, 리어액슬 하우징의 거동을 재현하여 스핀들부에 걸리는 수평방향의 반력을 상쇄시킴으로 보다 신뢰성 있는 내구시험 결과를 확보할 수 있으며, 이를 통하여 품질을 향상시킬 수 있는 근거를 마련할 수 있는 효과가 있는 것이다.As described above, according to the support for the rear axle housing endurance test according to the present invention, as in the actual vehicle state, by reproducing the behavior of the rear axle housing to cancel the horizontal reaction force applied to the spindle portion to ensure more reliable endurance test results It can be, through this effect is to provide a basis for improving the quality.

Claims (1)

리어액슬 하우징의 양측 스프링 시트 상에, 상부 고정체에 고정된 작동실린더의 로드 선단과 연결되는 작동 프레임을 설치하여 상기 작동실린더가 시험 하중을 반복하여 전달함으로서, 상기 리어액슬 하우징의 내구수명을 시험할 수 있도록 상기 리어액슬 하우징의 양단 스핀들부를 작업실 바닥면 상에서 지지하여 주는 리어액슬 하우징 내구시험용 지지대에 있어서,On both spring seats of the rear axle housing, an operating frame connected to the rod end of the operating cylinder fixed to the upper fixture is installed, and the operating cylinder repeatedly delivers the test load, thereby testing the endurance life of the rear axle housing. In the rear axle housing endurance test support for supporting the spindle portion of the rear axle housing on the floor of the work room so that, 상기 스핀들부와 구름접촉 되도록 중앙부가 오목하게 형성되며, 양단은 소정간격 직경이 일정한 회전축으로 형성되는 롤링 지지대와;A rolling support having a central portion concave so as to be in contact with the spindle portion, the both ends being formed with a rotating shaft having a predetermined interval diameter; 상기 롤링 지지대의 양단 회전축을 각각 작업실 바닥면에 대하여 회전 가능하게 지지하도록 고정 플레이트 상에 세워지는 지지블럭 내부에 상기 회전축과 결합하는 베어링를 구성한 고정 서포트로 이루어지는 것을 특징으로 하는 리어액슬 하우징 내구시험용 지지대.The support for the rear axle housing endurance test, characterized in that the support consists of a bearing for engaging with the rotating shaft in the support block which is erected on the fixed plate to rotatably support the rotary shaft of both ends of the rolling support with respect to the floor of the work room.
KR10-2001-0039805A 2001-07-04 2001-07-04 Support for durability tester of rear axle housing KR100397999B1 (en)

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CN104236884B (en) * 2014-09-03 2017-05-24 广西柳工机械股份有限公司 Engineering machinery axle housing vertical bending fatigue test system
CN106168472B (en) * 2016-08-26 2020-02-14 中国科学院武汉岩土力学研究所 Cuboid sample lateral displacement measuring device
CN106525464B (en) * 2016-12-30 2019-12-10 宁波建新底盘***有限公司 Automobile torsion beam type rear axle fatigue test device
CN113670156B (en) * 2021-07-13 2024-03-26 成都考斯特车桥制造有限责任公司 Rear axle housing main hole-reducing comprehensive gauge

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US4898026A (en) * 1986-12-13 1990-02-06 Glyco Antriebstechnik Gmbh Process for testing driving axles and device for performing the process
US4951504A (en) * 1988-07-13 1990-08-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process and apparatus for testing the axles and/or springs and/or adjacent components of commercial vehicles
KR100187813B1 (en) * 1995-12-13 1999-06-01 양재신 Endurance tester of rear axle roll
KR100300016B1 (en) * 1999-06-03 2001-09-22 이계안 Setting device for testing rear axle for automobile

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US4898026A (en) * 1986-12-13 1990-02-06 Glyco Antriebstechnik Gmbh Process for testing driving axles and device for performing the process
US4951504A (en) * 1988-07-13 1990-08-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process and apparatus for testing the axles and/or springs and/or adjacent components of commercial vehicles
KR100187813B1 (en) * 1995-12-13 1999-06-01 양재신 Endurance tester of rear axle roll
KR100300016B1 (en) * 1999-06-03 2001-09-22 이계안 Setting device for testing rear axle for automobile

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