简单介绍一下力士乐：溶解在液压油中的空气，在通常压力下，其影响可忽略不计，但在低压状态下，溶解空气将会逸出，产生汽泡，形成汽穴现象，将会产生如下影响：
（1）汽泡在低压区急剧压缩并破碎，使油温过热，产生噪声，振动时使油液变质。特别是因汽穴现象油液产生局部高温后，油液氧化变质加剧，降低使用寿命。
（2）因汽穴现象产生腐蚀及冲击，使液压元件很快受损，影响系统的可靠性、寿命等。
（3）空气的可压缩性使工作装置产生爬行，影响了工作的平稳性。
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