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GRC spray machine has a wide range of applications, is flexible and light.

點擊數:62020-02-01 14:00:46 來源: Shanghai Honggang Machinery Manufacturing Co., Ltd.-Boring machine-GRC spraying machine

新聞摘要:It has a wide range of applications and is flexible and light.

GRC exterior wall decoration is a new building material, which has further design from shape, texture to the texture of the whole material. The design of traditional materials is very limited, designers can only play on the basis of their own characteristics when designing them, but CRC materials are different, it can meet all the imagination of designers when designing building materials, and will not let the imagination of designers be limited.
Materials should try to avoid contact with oil, which is not difficult. The damage of oil pollution to GRC exterior wall decoration is mainly reflected in the fact that it will cause the background wall to dye, and at this time, it is also troublesome to deal with. It is necessary to clean up the surface of GRC exterior wall decoration in time after it is found that there is oil contamination, so as to avoid oil contamination being completely absorbed by GRC exterior wall decoration. In case of this phenomenon, it will be more troublesome to clean up the oil contamination again. Pay attention to the choice of special cleaning agent when cleaning.

Compared with the same equipment on the market, it is 60% lighter and convenient for one person to operate. The spraying speed is 30% faster than other equipment. With the introduction of foreign advanced technology, the quality of the equipment is excellent and the service life is twice that of other machines.

GRC spraying machine is mainly used for GRC European components (cement mortar mixed with short glass fiber cut joint spraying), interior and exterior wall decoration spraying (putty powder, latex paint, real stone paint, etc.), fire-proof and waterproof material spraying, thermal insulation material spraying, relief crafts coating spraying, as well as small villas, clubs, bridges, rockeries, dams, river fences and other spraying, with a wide range of applications It is flexible and light. After long-term customer verification, the equipment is durable, the production cycle of GRC and GRG products is short, the quality is good, the cost is low, and good economic benefits have been achieved.
A: surface thickness of GRC surface. In the production of GRC products, in order to prevent glass fiber exposure and save the cost of production of colored GRC products, it is necessary to spray a layer of thin slurry without glass fiber on the surface of the formwork (only this layer of colored GrC is added with pigment). The thickness of this layer of thin slurry shall be strictly controlled. The cement mortar shall be controlled at about 1mm, and the colored cement mortar shall be controlled at about 2mm. If it is too thick, the product surface will crack.
B: thickness and direction of each spraying layer. When spraying GRC, the thickness of each layer should be about 3-4mm, and each layer should be compacted after spraying. The spray direction shall be S-shaped in layers. In addition, there should be 50% of the width of the spray belt between the two spray belts.
C: spraying height and spraying sequence. The spray nozzle of the shotcreting machine shall be vertical to the formwork surface, with a height of about 300-400mm. The sequence is to spray the corners first and then the large surface, and spray the low end first and then the high end.
D: key points of operation compaction. (1) when GrC is compacted layer by layer, in case of the internal corner of side plate, the roller shall avoid disturbing the sprayed GRC material at the side plate, and leave a certain gap during compaction. (2) for the compaction of internal 
corners, it is not allowed to use roller, but angle iron tool or brush. (3) for the compaction of external corners, if there is no formwork on the vertical side, use a trowel to press the GRC material on the vertical side, and then use a roller to compact.
1. Jet technology
The injection process is 
the earliest and most widely used method of manufacturing GRC products, including manual injection and automatic injection. This method was first used in the early 1970s by the British architecture research institute
 (BRE) to manufacture glass fibre reinforced cement (GRC) products.
Whether manual or mechanical, the jet process requires specially trained operators and specialized equipment. The accuracy of the operation greatly affects the 
strength and durability of GRC products. As for the jetprocess, the glass fiber is randomly distributed in the cement mortar in a two-dimensional random direction, the effective utilization rate of the fiber is high, and the physical
 properties of the product are also good.
2. Premixing process
Premixing process is to mix short-cut glass fiber and cement mortar matrix together to form a uniform glass fiber cement mixture, and then by pouring or spraying method to
 make products. According to different forming methods, premixed process can be divided into premixed casting process and premixed jet process. Premixed casting 
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