santo gantry crane

2013年7月30日星期二

Gantry crane parts bearing cleaning Maintenance Act

      Single girder  gantry crane  bearing exercise for some time, to maintain a certain level of vibration and noise, the spectrum is very simple, just thrown one, two multiplier. Rarely thrown more than three times the frequency spectrum, bearing condition very chaotic, chaos into the working period. After running into use late succession, bearing vibration and noise begins to increase, sometimes appearing different sound, but the change in vibration increases more slowly this time, bearing kurtosis value starts Passed reaches a certain value.
       For as long as possible in order to maintain good condition single girder  bridge gantry crane  bearing the original function, to be maintained, inspection, in order to prevent accidents in the first place, to ensure the reliability, improve production and economy. Home for the best mechanical operation corresponding premise of the scale, on schedule.
        Including supervision of operating conditions, add to or replace the lubricant, assembly inspection schedule. As a single girder gantry crane operation inspection items, a rotation of the bearing sound, vibration, temperature, the state of the lubricant.
        Cleaning oil while rotating, while carefully cleaned. In addition, cleaning the oil have always insisted clean. And repeatability is very good. Normal quality bearings (linear bearings) started, the vibration and noise are relatively small, but somewhat messy spectrum and amplitude are small, probably because some flaws in the manufacturing process, such as the appearance of burrs due.
        Single girder  overhead gantry crane  bearing cleaning: lower bearing assembly inspection, the first record bearing the appearance of confirmation remaining amount of lubricant, the lubricant used after sampling inspection, wash bearings. Cleaning Precautions: as a cleaning agent, general use gasoline, kerosene. Removed to the bearing cleaning, cleaning of coarse and fine cleaning, were placed in a container, first put the metal mesh bottom, so that no direct contact with the container bearing the dirt.

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