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The problems and solutions of Roller suspension concrete pipe making machine
Publication Date: 2018-04-28
Suspension roller process

(1) steel skeleton displacement deformation

In the process of the suspension roller process, due to the use of dry hard concrete, steel skeleton by the larger radial pressure, and with the feeding side of the rolling and rotation process, repeated role is gradually strengthened, resulting in Skeleton deformation, displacement. The way to avoid this is to enhance the overall rigidity of the steel frame, to strengthen the fixing of the skeleton in the pipe mold, and to control the steel bar of the protective layer into the U-shaped steel bar and increase the error to about 2mm.

(2) the inner and outer walls collapse

The phenomena of wall collapse, wall separation and pipe - die separation are the quality problems of suspension pipe, especially in the environment of low temperature. With the increase of diameter, the self - arching effect of circular arc decreases. Wall thickness increased, the upper part of the concrete gravity increased. While lifting the process of vibration, it is necessary to produce wall collapse, the outer wall from the mold off. Avoid the way is: try to produce the diameter of 1000mm below the strict control of water-cement ratio and reduce the vibration generated during the lifting process while prolonged listening time.
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