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用润滑脂进行润滑的轮毂轴承,在装填润滑脂时有两种装法:一种是除轴承装满润滑脂外,轮毂内腔也装满润滑脂,这叫作满毂润滑;另一种是只在轴承内装满润滑脂,轮毂内腔仅涂一薄层润滑脂防锈,这叫作空毂润滑。以前,国内外都是采用满毂润滑,后来逐渐地转而采用空毂润滑。1954年美国润滑脂协会制订了一套《汽车前轮轴承润滑脂标准》,稍后又制订了一套《载货汽车车轮润滑脂标准》,规定了空毂润滑。1960年,前苏联汽
Grease-lubricated hub bearings, when filling grease, there are two ways: one is in addition to bearings filled with grease, the hub cavity is also filled with grease, which is called full hub lubrication; the other Is only filled with grease in the bearing, the wheel hub cavity is coated with a thin layer of grease rust, which is called empty hub lubrication. Before, at home and abroad are full hub lubrication, and later gradually turned to empty hub lubrication. 1954 American Association of grease developed a set of “front-wheel bearing grease standards,” and later developed a set of “truck wheel grease standards”, provides for the empty hub lubrication. In 1960, the former Soviet Union steam