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Supply Volkswagen Audi Crankshaft Rear Aluminum Case Oil Seal Assembly Crankshaft Oil Seal 06a103171

供应大众奥迪曲轴后铝壳油封总成crankshaft oil seal 06A103171

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  • Description
品有汽车油封,如发动机的曲轴油封,凸轮轴油封,气门油封,变速箱油封,左右半轴油封,前轮/后轮油封等,主减速器前油封,空压机曲轴油封工业油封,以及水泵用油封,洗衣机油封和客户定制油封等。                                                                                                            

油封是用来封油(油是传动系统中最常见的液体物质,也泛指一般的液体物质之意)的机械元件,它将传动部件中需要润滑的部件与出力部件隔离,不至于让润滑油渗漏。是一般密封件的习惯称谓,简单的说就是润滑油的密封。凡是运转体箱内有液体润滑油而又与外部相连接的部位都需要油封。有些是橡胶的,有些是金属的,多数是钢骨橡胶的。
油封一般分为单体型和组装型,组装型是骨架与唇口材料可以自由组合,一般用于特殊油封。从油封的密封作用、特点、结构类型、工作状态和密封机理等可以分成多种形式和不同叫法,但习惯上一般将旋转轴唇形密封圈叫油封,静密封和动密封(一般往复运动)用密封件叫密封件。油封的代表形式是TC油封,这是一种橡胶完全包覆的带自紧弹簧的双唇油封,一般说的油封常指这种TC骨架油封。
油封的常用材料有:丁腈橡胶,氟橡胶,硅橡胶,丙烯酸酯橡胶,聚氨酯,聚四氟乙烯等。

Update time:20220502121211


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