Detailed explanation of stone pillar processing technology

Author:MoCo Marble Tiles-Stone Tile Manufacturer

Whether it is a European-style courtyard or a Chinese-style garden, stone pillars are an integral part of them. They are widely used in many aspects and functions such as unit companies, office decoration, garden decoration, and pillars and pillars of ancestral halls and halls. Marble Columns According to the types of stone materials selected, they can be divided into solid or hollow columns for architectural decoration made of marble and granite. According to the appearance characteristics of the column, it can be divided into: Roman column, plum flower column, twisted column, railing column, carved column, multi-prism, single-color column, multi-color column, etc.; according to the cross-sectional size, it can be divided into equal-section, etc. Diameter columns, tapered columns with unequal cross-sections, and drum-shaped columns.

The difference from the arc plate is that the arc plate is only used to wrap the decorative cylinder and is a part of the outer surface of the cylinder; the stone column is a solid or hollow integral cylinder or a spliced ​​cylinder. 1. Types of ordinary cylinders The ordinary cylinders introduced here mainly refer to the cylinders whose generatrix is ​​a straight line or a curve, but whose cross section is circular, such as cylinders with equal diameters, tapered cylinders, and diameters at both ends smaller than the middle diameter. Drum columns and railing posts, etc. The diameter and height of an ordinary cylinder mainly depend on the size of the block, the minimum diameter is generally 100mm, and the maximum diameter is less than or equal to 2000mm; whether it is a whole or a part of the cylinder, its single height is generally less than 5000mm, but some heights exceed 5000mm special cylinder.

A standard stone column consists of three parts: the base, the body and the cap. 2. Processing of ordinary cylinders (1) Grinding and polishing of cylinders Grinding and polishing of cylinders is generally carried out on lathes equipped with pneumatic or hydraulic pressurized grinding heads. The abrasives installed on the grinding heads can be quickly replaced. It is ring-shaped, and the end surface is in contact with the cylinder, and the method is line grinding and polishing. Since the grinding force during grinding and polishing is much smaller than the cutting resistance during forming and cutting, when clamping the grinding and polishing cylinder, only use the center hole for support at one end of the bedside box.

Depending on the material of the stone being polished, the gradation of the grinding and polishing abrasives is also different. Because the contour lines of railing posts, vases and other products fluctuate greatly, it is difficult to use the above-mentioned circular abrasives for grinding and polishing. Therefore, simple grinding and polishing equipment for manually grinding special-shaped rotary bodies is still used to complete the polishing of railing posts and other products. . (2) Edge trimming of the end face After the polishing process of the cylinder is completed, the two end faces of the cylinder can be cut with a diamond saw blade to make the length and dimension meet the size requirements of the finished product.

It must be noted that the angle between the cut end surface and its axis should be slightly less than 90 degrees, so that the joint can be small and beautiful during installation. (3) Cleaning, inspection and packaging The processed cylinders can be packed after cleaning, inspection and drying. The packaging of the cylinder is divided into two steps. First, the cylinder is wrapped with a plastic film with a thickness of 0.5mm, and then put into a wooden fence to fix it.

When packaging and transporting, care must be taken to prevent bumping the cylinder. 3. Processing of ordinary column bases and column caps 1. The column bases and column caps equipped with through columns, Roman columns, twisted columns and polygonal stone columns have various shapes. The commonly used structural form is that the busbar is a curve, The column foundation and column cap of the rotary body combined with straight line segments, some of which are composed of a square base, are used for numerical control or Non-NC equipment can process ordinary rotary column foundations and column caps, and diamond saw blade tools can be used to form and process polygonal curved surface shape column foundations. CNC lathes with diamond saw blades and beams that can move back and forth, or band saw blades are required. The multi-functional CNC machining center of the power head and lathe accessories can process the column foundation and column cap products using the graphic design and processing software installed on the CNC equipment itself, so that the processing technology program of the column foundation and column cap can be compiled very conveniently. 2. If the column caps are engraved on all sides, it must be processed by a multifunctional CNC machining center equipped with a three-dimensional laser scanner, a lathe attachment and a fixed cylindrical end mill power head. Because this type of column cap is already a carved product, the entire processing process can be One clamping is completed.

Ordinary CNC milling machine equipped with only one cylindrical end mill power head can also be used for processing, but the milling machine must be equipped with a three-dimensional laser scanner, and with the manual flipping of the position of the column cap, the processing of different surfaces can be realized; if this CNC milling machine is equipped with The left and right 0~90 degree swing mechanism of the end mill can complete the processing of two sides in one clamping. Before processing the four-sided engraved column cap, it is necessary to make a model of the column cap for scanning by the laser scanner. The software of the laser scanner It can automatically generate the processing program for engraved column caps, which is easy to operate. 3. The grinding and polishing of the rotary body column base and column cap with a small diameter can use the horizontal manual rotary body grinding and polishing equipment similar to the 88sl type produced by the Italian omac company, with abrasives on the lever; the large diameter rotary body column base, column The grinding and polishing of the cap can adopt a vertical grinding and polishing machine, and also use the manual grinding and polishing method of loading abrasives on the lever. Using a manual grinding and polishing machine with soft grinding discs, it is also possible to grind and polish polygonal curved column foundations by manual grinding and polishing, but it is generally impossible to grind and polish column caps carved on four sides.

‍The structural form and processing requirements of the support holes on the end face of the column foundation and column cap are the same as those of other columns. With the current development of science and technology, the graphic design and processing software installed on the CNC equipment itself can be used to process the base and cap of the stone pillar, and wait for batches of exquisite columns. Article link source


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