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High pressure fluffing machine

Author: admin Release time: 16:28, March 22, 2018 Number of visits:

 
      High pressure fluffing machine It is mainly composed of roughing drum, cloth guide roller and a series of transmission devices and variable speed gears. Two hundred and twenty needle rollers are installed on the drawing roller, half of which are bending needle roller and half straight needle roller. The nylon gear at the end is installed on the inner gear of the drawing roller. The nylon gear at the end of the drawing roller is installed on the inner gear of the drawing roller. The direction of the needle tip of the bending needle is consistent with the direction of the cloth speed, but opposite to the rotation speed of the drawing roller, The drawing roller, cloth guide roller, needle bending roller and straight needle roller can be driven independently.
There are also different functions of the straight roll. The bending needle of high pressure drawing machine plays the role of drawing and the straight needle plays the role of combing in the production process. In the operation of the equipment, the needle speed on the drawing roller is greater than the running speed of the fabric. The difference between the two speeds forms the principle of fabric drawing.
Roughening treatment is mainly used on the surface of tiles, because the smooth wall tiles are not very stable and firm. There are two ways to roughen the wall: one is to use a cutting machine to draw a lot of grooves on the wall; the other is to dip a broom into the cement slurry water and pat it on the wall surface, so that the cement water will seep in and form a bump on the surface,
Now the "cover" in highway construction is also common to the roughening treatment. The old road surface is divided into many roads, and then paved with asphalt stone for rolling after cleaning up. The aim is also to improve the adhesion.
 
Wall roughening
1. It is mixed with cement sand and interface agent. If it is brushed on the wall once, it will increase the roughness, which is the effect of wall surface roughening process;
2. It is to scratch and strike the wall with a shovel or other tools, and then apply paint to make the wall surface rough, resulting in scuffing effect;
3. Brushing on the wall with roller brush and emulsion paint will have a galling effect.
 
Road surface roughening
1. Before plastering, the edges and joints shall be cleaned, the paste shall be removed, and the missing edges and corners shall be repaired. Generally, the small electric grinding machine is used for plastering. First, the disc is installed for roughing, and then the fine polishing of blade is installed. During the operation, it is necessary to smooth back and forth, and the operator should cover a part of it back and forth. The preliminary plastering should be carried out 10 minutes after the concrete leveling, and the construction time in winter should be extended. After the plastering machine is smoothed, sometimes it is necessary to gently drag it horizontally for several times.
2. After plastering, when a dent of about 2mm depth can be found by pressing the index finger slightly, it is the best time to roughen, and the roughening depth is 1-2mm.
But when the draught is carried out along the middle of the groove, it is not conducive to the formation of the groove in the horizontal direction.
 
In traditional residential construction, civil engineering and decoration are separated. Most of the time, developers provide blank houses, and decoration is another company's business. Therefore, developers will not take too much into account the wall roughness and flatness, which will affect the subsequent decoration. Under such a mainstream construction mode and concept, it is difficult to make a breakthrough in the cost, quality and speed of housing construction. Therefore, a complete set of mature production technology and corresponding supply chain of traditional residential construction and decoration engineering have been formed. Especially in the link of ceramic tile pasting, in order to enhance the adhesion and leveling degree, it is necessary to use adhesives and cement mortar to find equal methods, which costs a lot of manpower and material resources, and the bonding quality is difficult to guarantee.
The use of standardized aluminum alloy formwork of high-pressure roughening machine greatly improves the pouring quality and surface smoothness of the wall, but also brings problems such as too smooth wall surface, poor adhesion of concrete adhesive and cement mortar, resulting in the quality problems of tiles easy to bulge and fall off. The required method is to remove the mortar layer on the concrete surface, so that the adhesive can penetrate well Go in, enhance the bonding strength between the ceramic tile and the wall, commonly known as "roughing" or "chiseling"; the parts that need to be roughened are mainly the parts that need to be pasted with ceramic tiles, such as: kitchen, bathroom, balcony, public corridor, and even external wall, etc., with large amount and wide range.
 
Due to the deviation of formwork or the expansion near the vent hole during pouring, there will be many "explosion points" and large area of out of tolerance protrusions on the wall surface, which can not meet the acceptance standard of wall flatness required by industrialization, and must be polished.
Traditional surface treatment operations:
1. There are many problems such as low efficiency, serious dust and high labor intensity when grinding with grinder or wire brush;
2. Using diamond grinding machine to grind the blasting point of concrete pouring wall in large area, the dust pollution is very serious, which is an extremely hard and arduous work, and the working conditions are bad;

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