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Diamond Wire Saw stone industry status quo and analysis applications

  • Author:Sherry Huang
  • Source:www.boreway.net
  • Release on:2015-10-06
Currently the loudest voices in our comprehensive application of diamond wire saw exploitation of mines since 2005, years of silence stone mining machinery industry in China has been a major breakthrough, the most prominent manifestations of diamond wire saw localization.

With the central government to implement resource-saving, sustainable development, deepening cycle of economic strategy, stone mining in our country to eliminate waste and improve the volume ratio, the promotion of advanced mining methods and mining equipment in recent years has become an urgent need for the stone industry problem. And now is the comprehensive promotion of the loudest voices in our application of diamond wire saw exploitation of mines since 2005, years of silence stone mining machinery industry in China has been a major breakthrough, the most prominent manifestations of diamond wire saw localization. 

Almost the same time, Shanghai Morgan, high stone mining machinery, Henan joint Cyclones, Quanzhou weapon, Fuzhou day source rock and several companies launched their own diamond wire saw, plus the original development of the Guangdong Bureau of Geology earlier prospecting machinery factories and other enterprises, so that the market competition of diamond wire saw suddenly heated up. This phenomenon indicates or is representing the Chinese stone mining diamond wire saw universal time has come, which will bring revolutionary progress to improve the level of Chinese stone mining. 

Application of diamond wire saw stone mining in foreign countries have 30 years of history, the early wire saws for cutting soft stone only in the world rope saw mine marble mining process has been very mature. For granite and other hard stone, after wire sawing, diamond wire manufacturers and mining companies long-term unremitting efforts, with mining granite wire saw technology becomes more mature, the current widely used wire sawing granite, sandstone and other the hardness of the stone mining, product quality and higher and higher, more and more low cost, in the world has become a trend. 

Applications were stone mining rope saw advantages and the traditional "blast + flame cut" mining method compared with mining granite wire saw has the following advantages:
1. Wide adaptability, applicable to all types of wire saw mine, and flame cutting only applies to high quartz content, less fractured granite mines.
2. function, high efficiency, the first deep mining depth can reach even deeper l0 ~ 20m, flame cutting usually within just 10m; followed by fast cutting speed, generally can reach 3 ~ 4m2 / h, flame cutting 2-3 times.
3. The wire saw can be performed in all directions vertical, horizontal, bevel cutting, etc., but also for blind cutting, flame cutting and vertical cutting only.
The finished product rate, low overall costs, the first wire saw cut surface is very smooth and will not have any internal injuries caused by the blocks, followed by the kerf is small, only about 11mm, will not cause waste of resources; and flame cutting rough section, and for blocks caused some injuries, but saw kerf large, usually 100 ~ 300mm, cause a great waste of resources, and mining costs are high.
5. safety and environmental protection, mining rope saw no noise and no dust, does not affect nearby residents and other work surface, and a high degree of automation, discrete control, the workers labor intensity low, safe; and flame cutting noise and dust are very large, seriously affect the operation of nearby residents and other workers, and labor-intensive, relatively low security. In summary, the increasing scarcity of resources, oil prices today, with mining granite wire saw has a significant economic and social benefits. 

Restricting the production of diamond wire saw, factor applied although the application of diamond wire saw exploitation of mines traditional mining methods can not match advantage, but the application of the new diamond wire saws in the actual production is also a series of technical difficulties, including a high cutting efficiency, long life, low price and high reliability. Diamond wire saw is a relatively fragile and easily damaged system, as a ring so that the weakest link in the chain must be strengthened as much as possible, the reliability of the diamond wire saw is a great problem. Damaged wire saws will cause failure of the entire instrument, or its life significantly reduce design and production of diamond wire saw this tool will have a huge impact. 

Today the production of diamond wire saw has not been a lot of diamond tools manufacturer disposal. On the one hand this is due to the production of diamond wire saw is more complex than the simple production of circular saw blades. On the other hand, produce a suitable cutting natural stone rope saw the need to cooperate closely with diamond wire saw manufacturers and end users. Associated with the diamond wire saw a variety of factors including: beaded cutting life, cutting speed beaded, beaded pitch in the wire saw, mold design, life and other technical difficulties under normal operating conditions rope.

(A) The most common questions
1. The wire saw is not cutting and the use of the most commonly encountered is incorrectly selection diamond (often good selection of diamond), carcass, bead spacing, mold design or incorrect application parameters. For example, we use high density, or good diamond diamond, its cutting performance is not very good. Diamond will be difficult to break, making it difficult to produce a new sharp cutting edge.
2. Saw Saw rope rope fracture fracture is usually a bad mistake to use application parameters or saw rope quality, which means between unsound combining plastic / rubber and diamond beads, resulting in cuttings into a diamond saw ropes, Soon lava or debris between the beaded rope section steel body and in contact with the friction wire rope, wire rope connecting thread began to break, which may be due to wrong use of the binding agent. Rope fracture may also be due to the wrong choice of rope, beaded steel body, due to the bad heat treatment after injection molding.
3. Should the beaded beaded cut peeling layer portion peeled off from the beaded steel body, usually the choice of carcass improper or wrong sintering parameters. Incorrect usually cold process is also peeling reasons. Sometimes it may be due to improper dewaxing process so that the paraffin infiltrated between the metal carcass and beaded steel body. Sometimes the problem is with beaded steel body related to improper cleaning.
4. beaded beaded loose binding is not strong, combined with strong, usually a signal problem during injection molding. It may be inappropriate choice of wire rope, or diamond wire internal contamination, improper cleaning concerned, this will result in beaded and injection / injection binding between the rubber is not strong.
Overall, the production of diamond wire saw is know-how, which is higher than the diamond saw blade production requirements, like an endless chain as diamond wire saws manufactured by many different production processes composition, if in a production process there is a problem, the entire value of the diamond wire saw will be jeopardized. Many companies have no experience in this regard, therefore, to have a strong foundation for a good cutting function of diamond wire saw will take some time. 

(B) the domestic technology continues to improve and progress in recent years, domestic manufacturers of diamond wire quality and technology is steadily improving, have reached or approached the advanced level of similar imported products. The main performance in the following areas:
One is to improve the quality of the rope, since the widespread adoption of high-quality imported steel wire rope, wire rope frangible solve the problem directly improve the durability of the bead wire;
Second, beaded space holding enhance quality materials, now widely used high-strength plastic, rubber, making beaded wire rope combined with more solid, solves loose beads, beads, etc. channeling issues, making beaded rope quality greatly improved.
Third is to improve the quality of the diamond beaded, whether plated or sintered beads, both in terms of cutting marble or granite cutting, its stability, wear resistance has greatly improved, greatly improving the life of beaded rope . For example Fuzhou Tianshi Cemented Carbide Tool Co., Ltd. and Fujian source of a number of mining and processing enterprises to establish product test base, respectively developed a marble mine rope (spring fixed), granite mine rope (rubber fixed), a combination of wire saw rope (injection fixed, hair for granite cutting board) and other types of products, and the development of different cutting programs based on the special needs of customers. 

Diamond wire saw an important member of the field, and we hope manufacturers constantly improve the diamond wire saw technology, overcome difficulties, driven by all sectors of society in our country stone mining industry to increase efforts to promote the use of improved domestic stone mining the level and quality of mining exploitation.