News information
Tearing on top of solid brick
07-02
There is an irregular tear crack on the top surface of the brick. Many bricks have it, but the size and location of the crack are different. It's all scrap.
During extrusion molding, if the machine mouth is not upright, the mud will be more on one side and less on the other, and the mud strip will bend to the side with less mud. At this time, some people will move the mud strip upright and produce as usual. With this move, the time bomb torn on the top surface of the brick will be buried.
Because the moisture content of mud strips is more than ten percent, but only1% ~ 2% of the elastic coefficient, you this move mud strip is straight, but the inner curved side has been removed out of the naked eye invisible internal injuries, after drying and sintering, the original shape revealed to become waste.
The correct method only needs to loosen the fixing screw of the machine port, move the side with more material from the machine port, that is, move the outer circle direction of the bent mud strip to straighten the machine port, and tighten the fixing screw.
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