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创建于03.20
粘度：润滑油的关键性能指标
粘度：润滑油的关键性能指标
粘度是润滑油的主要性能指标。不同的制冷剂对粘度有不同的要求。例如，R12与润滑油混溶，会降低润滑油的粘度。因此，应选择粘度较高的润滑油。
压缩机不适合粘度过高或过低的润滑油。粘度过高会增加摩擦功和发热量，增大启动转矩，降低机器效率。粘度过低则无法形成所需的油膜，加速轴承等部件的磨损。因此，粘度必须适中。
润滑油的粘度随温度变化很大。例如，当温度从 50°C 上升到 100°C 时，矿物油的粘度会下降到其原始值的 1/3 到 1/6。因此，应使用粘度随温度变化较小的润滑油。
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Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
Foshan City Chancheng District Xiyue industrial zone 4 row 2,China
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