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Increasing of fatigue life of a ball pin using roller burnishing
Bastl, Václav ; Kolomý, Štěpán (referee) ; Zemčík, Oskar (advisor)
Bachelor’s thesis carried out in cooperation with THK Rhythm Automotive Czech a.s. is focused on the problematics of fatigue life of ball pins in a car‘s suspension. As an option of increasing this parameter, roller burnishing is the proposed technology of surface treatment on the ball pin. Rolling parameters are designed, and fatigue tests and evaluation of the measured values are performer on the subsequently modified pins.
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Vehicle Ball-Joint Accelerated Testing
Sýkora, Bohumír ; Ludvík, Jan (referee) ; Ramík, Pavel (advisor)
The subject of this diploma thesis is the design and the development of accelerated Life test of Ball-joint in cooperation with company TRW-DAS a. s. The diploma thesis includes a review about accelerated life tests on specialized tests made by the company. In the thesis are analyzed the preparations of accelerated life tests, the implementation and verification by experiment. The thesis also includes the computer strain simulation of Ball-Joint by FEM software.
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Repeatable Torque Load Equipment Design for Vehicle Steering System Testing
Novák, Pavel ; Ludvík, Jan (referee) ; Ramík, Pavel (advisor)
The object of this work is design braking device with high repeatability and reproducibility that is used to analyse the measurement system. I developed this work in cooperation with TRW-DAS Dačice a.s. At the beginning, I made a search of the chassis system, testing of ball joints and steering. Furthermore, I made search of the MSA and the types of braking devices. The rest of the work is focused on the design and the thermal analysis of braking device. Then there are the actual test.
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Ball-Joint Limited Heating during Accelerated Testing
Kříž, Ondřej ; Porteš, Petr (referee) ; Ramík, Pavel (advisor)
The object of this work is design model of ball joint and define boundary conditions for real condition representation as most exact as possible. Then set parameters of test in TRW-DAS, a.s. for prevention of reacceleration with change of failure mode. Summary of ball joints, their testing and accelerated tests is in the beginning of the work. Next part describes ball joint creation in Pro/Engineer, transfer to Ansys, preparing to solution, fatigue test evaluation and comparing with create model.
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Repeatable Torque Load Equipment Design for Vehicle Steering System Testing
Novák, Pavel ; Ludvík, Jan (referee) ; Ramík, Pavel (advisor)
The object of this work is design braking device with high repeatability and reproducibility that is used to analyse the measurement system. I developed this work in cooperation with TRW-DAS Dačice a.s. At the beginning, I made a search of the chassis system, testing of ball joints and steering. Furthermore, I made search of the MSA and the types of braking devices. The rest of the work is focused on the design and the thermal analysis of braking device. Then there are the actual test.
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Vehicle Ball-Joint Accelerated Testing
Sýkora, Bohumír ; Ludvík, Jan (referee) ; Ramík, Pavel (advisor)
The subject of this diploma thesis is the design and the development of accelerated Life test of Ball-joint in cooperation with company TRW-DAS a. s. The diploma thesis includes a review about accelerated life tests on specialized tests made by the company. In the thesis are analyzed the preparations of accelerated life tests, the implementation and verification by experiment. The thesis also includes the computer strain simulation of Ball-Joint by FEM software.
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Ball-Joint Limited Heating during Accelerated Testing
Kříž, Ondřej ; Porteš, Petr (referee) ; Ramík, Pavel (advisor)
The object of this work is design model of ball joint and define boundary conditions for real condition representation as most exact as possible. Then set parameters of test in TRW-DAS, a.s. for prevention of reacceleration with change of failure mode. Summary of ball joints, their testing and accelerated tests is in the beginning of the work. Next part describes ball joint creation in Pro/Engineer, transfer to Ansys, preparing to solution, fatigue test evaluation and comparing with create model.
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