A study on the friction characteristics and durability of band brakes |
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| Institution: | 1. Jatoco Corporation, 700-1 Aza-kamoda, Imaimmi, Fuji-shi, Shizuoka, 417 Japan;2. Nissan Motor Co., Ltd., 1 Natsushima-cho, Yokosuka-shi, Kanagawa, 237 Japan;1. Department of Mechanical Engineering, Jadavpur University Kolkata-700032, West Bengal, India;2. Department of Mechanical Engineering, IITRAM Ahmedabad-380026, Gujarat, India;3. Department of Mechanical Engineering, NIT Rourkela-769008, Odisha, India;1. National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081, PR China;2. State Key Laboratory of Fluid Power and Mechatronic System, Hang Zhou 310027, PR China;1. University of Lyon, CNRS, ENI-Saint-Etienne, LTDS UMR 5513, F-42023-France;2. University of Lyon, CNRS, INSA-Lyon, LaMCoS UMR 5259, France;3. University of El Manar, ENIT, BP 37, Le Belvedere, 1002, Tunisia;4. University of Lyon, CNRS, Université Jean Monnet, LHC UMR 5516, France |
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| Abstract: | A band brake is often used as a braking device in an automatic transmission because it fits around the clutch drum and does not require additional space. Its friction characteristics vary depending on the oil film between the brake band and the drum. Less friction force occurs under lower pressure and greater lubrication. In this study, the relationship between friction performance and the number of grooves in a brake lining was investigated experimentally and analytically. It was found that a reduction in the friction area resulted in a higher brake lining surface temperature. This relationship is thought to affect the durability of friction materials. |
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