Marble plate cylindrical facing operation process

The marble-finished cylinders often feel like solid bodies. In fact, in the interior decoration project, sometimes the marble plate cylinder with decorative effect is needed. The structure of the marble plate cylinder is the angle steel and steel wire mesh skeleton. The operation process is as follows: preparation material - making cylindrical iron skeleton and fixing it up and down - painting the antirust paint on the skeleton - welding steel wire mesh - embedding the base cement mortar on the steel wire mesh - Install cylindrical marble plates.

First, prepare materials

1. Material selection: It is very important to select the plates with the same color and pattern. When the goods are purchased, the technicians should be strictly checked to ensure the specifications, size, color, pattern and material of the plates are good, and the overall quality is ensured.

2, processing and transportation: the processing of marble should use advanced computer equipment for cutting, grinding, polishing, especially arc-shaped plates and other special-shaped stone, parquet panels, and the various corners of the project required for the chamfer polishing process, etc. Computer processing ensures the accuracy of processing and improves the quality of processing. When transporting, it is packed and protected to prevent damage during transportation, resulting in missing corners and cracks.

Second, making the skeleton

1. Base treatment: Before installation, the structural dimensions should be carefully verified according to the dimensions of the drawings. The cylinders beyond the allowable deviation should be corrected. The thickness of the base layer to the veneer surface is not less than 5 cm. The base layer should have sufficient strength and rigidity, and the surface should be flat, and the dust, oil stains and residual mortar of the base layer should be removed. Copy the flat line: After the base layer is processed, the horizontal line and the dividing line should be played, and the center line of the column should be ejected.

2, the skeleton installation, according to the specific location of the line. The fixing of the skeleton, the common connecting member connects the skeleton to the main structure. There are usually two fixing methods for fixing the connector to the main structure. One is to embed the iron piece on the main structure to weld the connecting piece and the iron piece firmly. The other is to drill holes in the main structure and then connect the connecting members to the main structure with expansion bolts. In the first method, the embedded iron pieces need to be buried in the construction of the main structure. However, due to the error of civil construction and the influence of various human factors in civil construction, the size is difficult to control. Expansion bolts are often used in construction sites.

If expansion bolts are used, the buried depth of the expansion bolts is to be ensured. Because the pulling force of the expansion bolt is related to the depth of the buried. In this way, the impact drill is required to drill holes at the required depth when drilling holes in the concrete structure. When encountering steel bars, the position should be staggered. However, it should be fixed in a strong position. After the connector is fixed, the skeleton can be installed. Generally, the vertical rods are installed first, because the vertical rods are connected to the main structure, and the horizontal rods can be installed after the vertical rods are in place. If the horizontal and vertical members are made of steel, they can be welded or bolted or otherwise.

The installation of the skeleton should pay attention to the handling of the skeleton itself. Most of the steel skeletons we use are painted with anti-corrosive paint, and the number of passes should meet the design requirements. After the skeleton is installed, a comprehensive inspection should be carried out, especially the center line of the horizontal and vertical members. It should be noted that the spacing of the transverse keels should be the same as the height of the slate material, so that the steel wire or stainless steel wire can be set to bind the marble.

Third, the welding wire mesh

The steel wire mesh is the skeleton of the cement mortar base surface, and the wire mesh or the galvanized wire mesh with a wire thickness of 16-18 can be selected as the mesh of 20-25 mm. The steel wire mesh can not be directly welded to the angle iron skeleton. Instead, the wire of about 8 is welded to the surface of the angle iron frame, and then the wire mesh is welded to the 8th wire. The entire wire mesh should be flat and cut with the dragon skeleton.

After the welding is completed, the steel wire is tied on the horizontal keel of each layer, and the steel wire is extended outside the steel mesh. The number of lashing wires is determined according to the number of stone faces. Generally, one wire is required for one face. If the stone surface size is less than 100 mm × 250 mm, it is also possible to tie the wire without using it.

Fourth, batch embedding cement mortar

Mix the cement mortar with No. 500 cement and medium sand. The ratio is 1:2.5, and a small amount of fiber filament can be added to the cement mortar to increase the hanging performance of the cement mortar. When mixing, the water consumption should be controlled to make the cement mortar have a certain consistency.

The cement mortar embedded in the cylinder should start from the top of the column and proceed downwards. In the case of batch embedding, the cement slurry is required to be embedded in the mesh of the steel mesh. The thickness of the batch is uniform and the surface is flat, but the batch is not smooth. When smearing, the wire tied to the horizontal keel should also emerge.

Five, cylindrical marble surface inlay

Cylindrical marble plate surface inlay requires a thick wood splint to make a master with an inner diameter equal to the outer diameter of the cylinder. The master is used to determine the size of the cut angle of the stone. The method is as follows: firstly, several stone boards are placed in the direction of the veneer on the side of the mold, and the angle of the cut angle of the stone to the seam is measured. Then, according to this angle, the angle is cut on the stone cutting machine, and the stone plate with the cut angle is placed on the side of the mold to observe the seam condition of the two stone plates. If the seam can be seamed, the angle is processed according to the angle.

When affixing, use the master as the reference circle for the cylindrical surface. Firstly, the master is fixed to the bottom of the cylinder and then inlaid from the bottom layer of the cylinder. The stone panel is gradually inlaid upwards. The cylindrical structure of the stone board is shown as follows:

When starting the installation, clean the stone board by the number and straighten the copper wire. The portable stone is in place. According to the horizontal and vertical lines found in advance, level the two ends of the bottom line. Pull the horizontal line from the minimum angle and extend the right hand. Behind the slate, tie the copper wire under the slate to the horizontal ribs. Do not tighten too tightly when tying. Tighten the copper wire and the transverse ribs, then tie the copper wire on the stone board and use a wooden wedge to stabilize it. Check the wooden wedge with the ruler and fasten the copper wire. Go to the other party in turn. When installing each piece of stone, if it is found that the specification of the stone board is not accurate or the gap of the stone board is uneven, apply the lead leather padding to make the gap of the stone board uniform and uniform, so as to keep the first layer of the stone plate straight and the second layer of stone. The installation lays the foundation, and so on, until the whole is completed.

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