In the daily production work of concrete mixing plant, the maintenance and repair of equipment is indispensable. If the maintenance is not proper, some failures may occur and affect the production progress. In the complete set of commercial concrete mixing plant equipment, the maintenance of the mixer is particularly important. If the mixer holds the shaft, it should stop the production work immediately, analyze the reason and deal with it.

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There are many possible reasons for the phenomenon of mixer holding shaft. For example, the unreasonable design of the feeding device, the location and direction of the fly ash and cement inlet is unreasonable, which may lead to the material put on the shaft and stick to it. There is also the problem of the volume utilization rate of the mixing cylinder. The volume utilization rate is unreasonable, exposing the mixing shaft to the concrete, which will make part of the concrete stick to the mixing shaft and form the phenomenon of holding the shaft.

In addition, there may be incorrect location and flushing direction of the flushing point, or the flushing pressure is too low, the concrete stuck on the mixing device can not be washed off, forming the phenomenon of “holding the shaft”. Equipment operators in the mixing and discharging is not timely clean up the mixing tank and the residual concrete on the mixing shaft, the surface of the mixing shaft attached to the rough and uneven concrete, concrete mixers dry and solidify on the shaft, and later will be more and more, the formation of the “shaft” phenomenon.

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NFLG focus on road construction machinery technology enterprises, has been committed to researching the most concerned concrete mixing technology for customers.

In recent years, NFLG has launched fully automatic waste wet concrete recycling equipment, environmentally friendly mobile concrete mixing plant, concrete mixing building, precast mixing plant and so on, which lead the technical development of concrete mixing industry while meeting the needs of customers.

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