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Getting Your Bearings: Engine bearing suppliers talk about materials, selection and more

机译:获取轴承:发动机轴承供应商谈论材料,选择等

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摘要

Engine bearings have a tough job to do for such a small component. They must support big loads on a thin film of oil (between .0001-.0004" thick) between themselves and the crankshaft journals to prevent metal-to-metal contact. One of the biggest causes of bearing failures is dirt and debris that enters into the oil pan and gets sucked between the bearing surface and the crankshaft, interrupting that thin film of oil, creating a metal-on-metal contact. From that moment, various engine applications and bearing materials may react differently but the end result is usually still the same - a wiped bearing. And no engine builder or bearing manufacturer wants that.
机译:对于这么小的零件,发动机轴承的工作艰巨。它们必须在自身和曲轴轴颈之间的油膜(厚度介于.0001-.0004“之间)上承受较大的载荷,以防止金属之间的接触。轴承故障的最大原因之一是进入的灰尘和碎屑。进入机油盘并被吸入轴承表面和曲轴之间,打断油膜,形成金属对金属的接触,从那时起,各种发动机应用和轴承材料可能会有不同的反应,但最终结果通常是仍然是一样-擦拭过的轴承,而且没有发动机制造商或轴承制造商想要。

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