Shengliwei's new generation of high-performance cutting products

The new spiral high-strength diamond wire (rope) and high-speed spiral wave-cut wire are a new generation of high-performance cutting products with complete intellectual property rights.

1. Diamond wire/rope project: Diamond wire saw, referred to as diamond wire, is a high-strength cutting wire saw with 0.001-0.05mm diameter diamond particles consolidated on the base surface of 0.07-0.4mm ultra-fine metal. Hard and brittle materials such as single crystal/polysilicon, sapphire, gallium arsenide, magnetic materials, and crystal. Compared to the traditional free mortar cutting method, diamond wire cutting technology is a revolutionary advancement.

The cutting process of Diamond wire products has been widely used in more than 90% of users in Japan. In Taiwan, developed countries in Europe and America, the diamond cutting process has also been widely used. In the domestic market, diamond cutting has replaced traditional mortar cutting technology. At present, in the diamond wire market for solar silicon material cutting, China manufacturing is still in the initial stage, and its dependence on foreign countries is very high, which seriously restricts the maximum solar energy production capacity in China. Further development. Intensify the research and development and manufacture of the diamond line with China's independent intellectual property rights, breaking the situation of relying on import procurement, and providing domestic users with the key to the development of high quality and low price diamond line.

The diamond rope is further expanded and extended on the basis of the diamond line. The diamond rope product independently developed by Shengliwei is the first internationally integrated ultra-high-strength metal wire production technology, micro-scale high-strength special steel stranded synthetic rope technology and diamond micro-powder consolidation. New cutting lines produced by technology. Compared with the diamond wire cutting technology, the diamond wire is smaller in the cutting process while ensuring the wire diameter, which can greatly improve the cutting efficiency and the surface quality of the cutting section, and the cutting life is also greatly extended.

Shengliweier is the only company in the cutting wire industry that is capable of mass production and supply of diamond wire/rope products and technical services. The project team is led by a number of doctors and masters. The project team independently developed ultra-high-strength metal wire deformation and preparation process. Research results of diamond wire saw preparation technology and spiral diamond rope design and preparation technology, among which the diamond wire saw preparation technology has been granted the invention patent (patent number ZL201110030432.3, ZL201110030137.8).

Shengliwei has core technologies such as fine steel wire manufacturing technology, fine cord manufacturing technology and surface alloy composite technology. It has a complete production line from raw materials, core wire manufacturing, core rope manufacturing, diamond wire (rope) manufacturing and diamond wire slicing. The company is the largest cutting wire manufacturer in China, capable of producing the highest quality cutting wire products in the market, with the largest market share in China, and can independently develop and produce the highest quality diamond wire core wire, without relying on other wire suppliers.

The company has established professional technology research and development, customer application team, and extensive and in-depth cooperation with many famous universities and experts in China. Through continuous testing and improvement, there are major technological breakthroughs in diamond powder control, distribution uniformity and exit rate. The products produced have passed the customer's cutting verification to reach the best level in the industry. The diamond rope developed by the core rope and the diamond micropowder has achieved the first international and domestic industry and filled the gap in the industry.

Compared with traditional steel wire and mortar cutting methods, Shengliweier diamond wire/rope cutting has many advantages: high-speed cutting, environmentally friendly production, low cost, etc., and has obvious cost performance advantages compared with foreign products of the same type. . High-speed cutting is for the traditional mortar cutting method, the speed is 2-3 times that of the traditional process cutting, which enables users to reduce equipment procurement costs and increase equipment capacity. Environmentally friendly production is also aimed at the traditional mortar cutting method. The traditional cutting environment is harsh, not environmentally friendly, and a large amount of mortar needs to be recycled, which consumes a lot of manpower and financial costs, while the diamond cutting process does not require mortar, only water. Or water-based cooling of the cleaning solution can be achieved, and truly achieve environmentally friendly production and manufacturing.

At present, the Shengliweier Jingang line (rope) has been supplied to more than 20 large and medium-sized slice manufacturers in China. The company has built more than 30 production lines and initially has an annual production capacity of 180,000 km of diamond line (rope). In 2014, the newly expanded production plant of 14,500 square meters was completed and delivered. It is in the process of planning and construction of the production line. After the project is put into production, it will form an annual production capacity of 2 million kilometers of diamond wire and diamond rope.

2. Spiral project: Deformed steel wire (spiral) is gradually being used by more and more slice manufacturers due to its unique excellent cutting performance.

The spiral line independently developed by Shengliweier is a deformed steel wire product developed by the company's R&D team after more than two years. It has obtained two invention patents (ZL201110135815.7, ZL201120464485.1) and a number of new practical patent licenses. The team developed a complete product line and corresponding manufacturing tooling. After trials by many customers, the cutting performance was stable, which greatly improved the cutting efficiency and comprehensive production cost.

The spiral advantage developed by Shengliwei: The spiral forms a continuous three-dimensional space, which can greatly improve the carrying capacity of the mortar abrasive, and make the abrasive not easily peel off from the surface of the steel wire, and the spiral rotation effect can increase the additional cutting force and The take-out rate of the cut silicon powder improves the cutting ability and cooling effect.

When the diameter of the helix is ​​≥ 0.25 mm, the opening of the silicon rod and the silicon ingot is an open spiral; when the diameter is ≤ 0.14 mm, it is used for slicing, which is a slice spiral. At present, the main specifications of the spiral are: 0.25mm, 0.30mm, 0.35mm; the main specifications of the slice spiral are 0.140mm, 0.130mm, 0.120mm, 0.115mm, 0.110mm.

The company's spiral square wire has been matured in the market for three years, with more than 50 manufacturers, the use of various specifications of spiral wire has exceeded 10,000 rolls, the total number of cutting tools exceeds 150,000 knives, the product performance is good and stable, open After the square, the silicon rods are stable in size and flattened. The square spiral can be used to cut the used mortar by 100%, which saves the cost of the mortar.

At present, the mainstream diameter of the spiral slice line used in the market is 0.115mm and 0.120mm, and the sales of the company's spiral wire is nearly 5,000 tons. Compared with the ordinary straight wire cutting wire, the spiral slice line can increase the cutting speed by more than 25%, and the mortar usage. Reduce by more than 20%.

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