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실런트 접합부 누유 검토를 위한 초기 면압에 대한 연구
서정호(Jongho Seo),정재연(Jaeyun Jung) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
This study is stated that the initial contact pressure by the bolt tightening force is important for the prevention of the leakage in the sealant connection. The maintenance of the initial contact pressure will be able to prevent the leakage of between the front retainer and T/M case for using the sealant and this paper is mentioned the leakage case and discuss the improved case using the parameter study for the contact pressure. The most important factor to maintain the initial contact pressure is the distance between bolts and the second order is the width of face between the bolted distance and next order is the tighten torque. The method to examine the leakage on the driven condition was introduced in this study. The method is the distance between contact parts.
옵셋각 설계변수를 통한 등속조인트 케이지 강도 개선에 대한 연구
서정호(Jongho Seo),송명의(Myeongeui Song),김필기(Pilki Kim),민준호(Jun-ho Min) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
In order to achieve a robust design of CVJ (constant velocity joint), it is the most important thing to increase the fracture torque of the quasi-static torsional fracture test. The fracture torque is decided by the cage of the BJ(ball joint) composition and most broken position is the column of cage. For this reason, Offset angle method has been developed to improve the strength of the cage in this study. The thickness of the cage can be increased than an existing size by using the offset angle method. The fact means that the cage has an advantage for the strength. The analysis simulation on verification for the parameter of offset angle is composed of the strength part and the dynamic part in this study. As a result for the analysis simulation, the strength of the cage has improved 10% compare to the existing offset method. and, the quasi-static torsional fracture test has been carried with CVJ applied to the offset angle parameter. In this test, we identified that the fracture torque has been increased by 10% from existing products.