Company Name: Hunyuan County Quanyou Stone Processing Factory
Contact: Mr. Wang
Tel: 13754914913
Company fixed line: 0352-8425006
Company fax: 0352-8425088
Company mailbox: 935913883@qq.com
Company address: Industrial Park, Hunyuan County, Datong City, Shanxi Province
The main factors affecting the processing of black granite stone
The processing of black granite stone is mainly sawing, cutting, grinding and throwing. The machinability of stone refers to the ease of sawing, cutting, grinding and throwing. The sawing and cutting are the same, although there are differences between grinding and throwing, they are very similar. . Therefore, the machinability of general stone usually refers to sawability and grindability. The main factors affecting the machinability of stone are:
(1) Hardness
In general, the greater the hardness of the stone, the more difficult it is to process and the greater the wear on the tool.
(2) Mineral composition and chemical composition
The material composition of stone material includes mineral composition and chemical composition. Different mineral composition and chemical composition have different processability. For example, marble rock-forming minerals are mainly calcite and dolomite, and their Mohs hardness is 3 and 3.5- 4. It has lower hardness than granite and is easy to process. The main rock-forming minerals of granite are quartz, orthoclase, and plagioclase, and their Mohs hardness is 6.5-7. Its machinability is largely Depending on the content of quartz and feldspar, the higher the content, the more difficult it is to process. In terms of chemical composition, such as the higher the content of SiO2, the more difficult it is to process.
(3) The structure of rock
Generally speaking, stone with uniform particles is easier to process than uneven stone, fine-grained stone has higher polishing quality than flake-shaped stone, and dense stone has higher gloss than loose stone. After the gloss, the cleavage of the rock, grain boundaries and initial cracks are also important factors for the machinability.
In addition, the selected machining tools and process parameters are an influencing factor that must be considered.
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