The gravity shelf evolves from a tray shelves. It uses roller orbital or
bottom -type tray. The track is a certain slope (about 3O) to use the self
-weight of the goods to achieve the advanced out of the goods. The advanced
storage operations of batches and similar goods have a high spatial utilization
rate, especially suitable for goods that have a certain warranty period and
should not be long -term backlog.
The total depth of the shelves (that is, the length of the guide rail)
should not be too large, otherwise the "dead ends" that cannot be used will be
large, affecting the use of space, and the slope is longer. The decline is not
smooth, blocked, and the tray cargo turns.
In order to make the decline smooth, if the ramp is long, a damping device
should be added in the middle. In order to make the tray cargo fall to the
bottom, it should not be turned over due to excessive impact. Design,
manufacturing, and installation are more difficult and cost. Such shelves should
not be too high, generally within 6m, and the weight of single cargo is
generally within 1000kg, otherwise its reliability and operability will be
reduced. There are not many such shelf systems in China.
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