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Diamond wire saw action in the mining

  • Author:Chois Dong
  • Source:www.boreway.com
  • Release on:2015-09-11
Expert Guidance: 
On Chinese stone mining machinery industry, 2005 can be said to be a watershed. Before 2005, China's stone equipment manufacturers to focus on research and development, production and the stone processing equipment, stone mining machinery and equipment more than some low-end drilling, lifting and other products, the stone mining machinery emergence of a gap in the market. Although the Italian stone mining equipment manufacturer in China for many years of market development, promote the use of Italian mining equipment, but constrained by the high price, relatively few applications in China stone mines. 
Enter 2005, years of silence Chinese stone mining machinery industry has made significant breakthroughs, the most prominent manifestationsDiamond Wire SawLocalization. Almost the same time, several companies in the technology, based on the Italian imitation launched its own diamond wire saw, diamond wire saw to make the market competition becomes very intense. 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. 
Granite mining rope saw the gradual application.Diamond Wire Saw Stone mining applications in foreign countries have 30 years of history, the early wire saws for cutting only harm the soft stone, 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 stone hardness On mining, product quality increasingly high cost of getting lower and lower in the world has become a trend. 
Compared with the traditional "blast + flame cut" mining method, mining granite with wire saw has the following advantages: 
First, adaptability, applicable to all types of wire saw mine, and flame cutting only applies to high quartz content, less fractured granite mine; 
Second, strong function, high efficiency, the first deep mining depth, can reach 10 ~ 20m even deeper, flame cutting usually within just 10m; followed by fast cutting speed, generally can reach 3 ~ 4m2 / h, flame cutting 2-3 times; 
Third, with the cutting wire saw to vertical, horizontal, inclined in all directions and so on, but also blind cutting, flame cutting and vertical cutting only; 
Fourth, finished product rate, integrated, low cost, first wire saw aspects is very smooth and will not have any internal injuries caused blocks; secondly 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; 
The fifth is the safety and environmental protection, mining rope saw no noise and no dust, does not affect nearby residents and other staff jobs and the high degree of automation, discrete control, low labor intensity of workers, safety; and flame cutting noise and dust are very large seriously affect the operation of other workers nearby residents, and big labor intensity, security is relatively low. In summary, the increasing scarcity of resources, oil prices today, with mining granite wire saw has a significant economic and social benefits. 
Quality diamond beaded rope to mature 
In recent years, with matching diamond wire saw Diamond Wire, quality and technology has steadily improved, especially to improve the quality of domestic beaded rope quickly, have reached or approached the advanced level of similar imported products. The main improvement 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; 
The second is to keep improving the material quality beaded pitch, and now the widespread adoption of high-strength plastic, rubber, making beaded wire rope combined with more solid solve the 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 beaded rope life. 
Other main mining advanced equipment In addition to diamond wire saw, there are two so-called "mining pioneer" of equipment worthy of our attention. One is mining pioneer "- mine blocks single pole (pole) stone cutting machine, the machine will speed diamond cutter cutting technology applied directly to marble, granite mine mining equipment using double-column door frame, by mining. platform surface laying horizontal double track rail traction in the triangular structure wire walking, host into nine adjustable speed drive, hydraulic control telescopic shaft power saw cutting, 360 degree rotating turntable operating continuous cutting. Currently most of our flowers Stone mining has been widely used. 
Another is "mining pioneer" - chain saws arm, the machine is the use of foreign technology in China-made advanced mining equipment. Its working principle is tooth carbide or diamond teeth mounted on the chain, driven by a hydraulic power system, the chain in the chain arm cycle rotation, serrated cutting marble rock directly, while chain arm can rotate 180 degrees, the machine can be In the horizontal guide rails, thereby cutting operation finished horizontally, vertically and inclined surfaces, water cutting machine can cut or dry, and combined rail can be extended indefinitely cut distance, except for cutting granite thrown there type of stone. 
With the use of a variety of mining equipment, increase production and efficiency 
Chain arm saws, saw blades stone cutting machine than traditional mining methods, equipment compared to mining also has high speed, high efficiency, no internal injuries neat blocks, low-level workers, labor, resource conservation, reduced noise and dust pollution, safety environmental protection and other advantages; in terms of cutting marble, chain saws arm without cooling water also has advantages in terms of cutting granite, stone cutter blade has a certain speed and cost advantages. Compared with the wire saw two have no pre-drilling of perforations, cut shortening preparation time, save trouble wearing rope rope access and other advantages. Its limitation is that the diameter of the blade, chain arm arm length is limited, restricting their cutting depth. And because the rope saw less weight, terrain adaptability of mine, the mine early in the exploitation phase, the advantages of wire saw two "mining pioneer" unmatched. Therefore, under normal circumstances, both may be used in conjunction with a wire saw, which saw blade stone cutting machine in the mining platform on the vertical longitudinal saw a long saw, then with a rope saw cutting a horizontal bottom and lateral vertical, or with a chain arm saw in the mining platform longitudinal horizontal bottom face of a long saw saws, then cut with a rope saw two vertical charge will play their respective advantages and maximize recovery efficiency, reduce production costs. 
In the center of the country proposed the establishment of ideological guidance saving society, the development of recycling economy, the resources under increasingly precious stone mines, the accelerated change China's small mines stone, earth, scattered, chaotic situation increasingly urgent, and advanced stone mining equipment in China on prices for the transformation of Chinese mine the possibility, for the old mines are still using blasting mining is to consider a new way of exploitation and opportunity, the more necessary for new mine that various research and demonstration programs, exploitation of stone blocks into the diamond wire saw has been in the trend of the times.