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black large universal Diamond Saw Blade for granite

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Talking about the classification of stone saw blades and substrates


A saw blade is indispensable for stone processing. The saw blade can cut the block stone directly from the ore body (a wire saw is also used), and then use the saw blade to cut the block stone into plates. Finally, a saw blade is used to cut the slab into various sizes of stone slabs. Therefore, the quality of the saw blade is related to the quality of the product and the processing efficiency.


The main materials for the production of saw blade substrates are 50Mn2V, 75Crl and 65Mn (

Some low-end markets still use 45# steel. 45# steel is ordinary carbon steel). 65Mn is ordinary spring steel, 75Crl is high-carbon alloy, 50Mn2V is a medium-carbon alloy steel, 50Mn2V has fine grains, high thermal stability, high strength and toughness, fatigue resistance and heat resistance. The saw blade base of 50Mn2V material has the advantages of many times of re-welding, long service life, not easy to deform the saw blade after welding the blade, and easy to repair after deformation. The product also has the effect of gradually increasing the rigidity during use, so 50Mn2V The material is widely used in the processing and production of diamond saw blade substrates.



Classified by specifications, the domestic stone processing saw blade base specifications start from ф200mm and reach a maximum of ф3500mm (the largest foreign circular saw blade is 5000mm). Among them, the dp200-600ram specification is mainly used for the cutting (trimming) processing of semi-finished plates; the specification above ф650 is mainly used for the forming and sawing of thicker slabs (pillars) such as tombstones and tomb pillars, as well as for sawing of blocks. Cut into (board) material processing. At present, the ф1600mm saw blade substrate is the most commonly used. Stone Machinery


ф200~600mm specification saw blade base body, due to the low technical content, the technical and quality requirements of the product are not high, only the cutting edge can be used, and the products on the market tend to be homogeneous. At present, there are nearly 100 domestic manufacturers of ф200~600mm saw blade substrates. The market competition is mainly based on price competition. The industry competition is fierce and the profit is very low. Some powerful domestic enterprises have no intention to participate in this low-end market competition.


Compared with the specifications of ф200-600mm, the product processing is more difficult for the matrix of specifications above ф650mm, the initial capital for entering the industry is more, and the threshold is higher. Users also have higher requirements for product quality and performance. At present, there are not many domestic manufacturers, less than 10, and the products show a certain degree of difference. Market competition uses non-price competition as the main means. The quality of the product itself, the stability of performance, the length of life and the quality of service Play a key role in market competition. In southern regions such as Fujian and Guangdong, diamond saw blade substrates are generally used in groups, such as ф940mm, фl600mm, 10 pieces each, ф680mm, фll40mm, and фl600mm, 5 pieces each, etc. The combined saw blade base is used to cut granite and marble slabs in groups, which greatly improves the cutting efficiency and board accuracy, saves more than 15% of power consumption, and also puts forward higher quality and performance requirements for the saw blade base itself.

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