日韩AV毛片无码免费

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        Four-column hydraulic press has independent power mechanism and electrical system
        Hits: 541  Time: 2019-10-12 19:37:35
         
        Maintenance method of four column hydraulic press: in the hydraulic transmission system of four column hydraulic press, many parts are more precise parts. People feel that the hydraulic transmission of machinery is easy and simple, but at the same time it is easy to damage. The main reason is that it is not clear about its working principle and structural characteristics, so it is impossible to make perfect preventive maintenance methods for it.
        The slider of the four-column hydraulic press needs to be injected with lubricating oil regularly, and the surface of the column should be cleaned regularly, and the oil should be injected before each operation. The working oil should be replaced once a year, and the first time should not exceed three months. When the machine needs to be out of service for a long time, it should be cleaned and coated with rust-proof oil and kept in a dry place.
         
         
        日韩AV毛片无码免费
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