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News

Development status of China diamond tools

  • Author:tiz
  • Source:tiz-alloy.com
  • Release on:2017-08-18
As the world economic development, improving people's living standards, natural stone (granite, marble), artificial advanced stone (micro-ceramic, glass, jade, ceramics tiles, and cement products, has been widely used in housing, construction The decoration was applied in the production of various decorations, household items and applications in road, bridge-building. on the processing of these materials, we need a variety of diamond tools.
Italy, Germany, Japan, South Korea production of diamond tools varieties, high quality, price is also high. Their products are almost occupied most of the high-end stone processing market.
Last 10 year, Chinese production of diamond tools business has developed rapidly. From the number of enterprises, the production of diamond tools business nearly a thousand, the annual sales income of more than billion. Danyang City, Jiangsu Province, Shijiazhuang City, Hebei Province, Ezhou City of Hubei Province, head, Yunfu City of Guangdong Province and Shandong Province, Quanzhou, Fujian Province has nearly 100 diamond tool manufacturers. Products from the mine stone mining, stone blocks processing, sheet metal processing, special-shaped stone processing tools, to the ceramic tile machining, polishing, number of applications engineering cement tools. Chinese production of diamond tools business as much as a large scale, is that of any other country in the world can not be compared, will become the world diamond tool supply base. Certain breeds of diamond tools China also has a high level of quality, a number of famous foreign diamond tools also commissioned the production of Chinese enterprises. However, most of the production of most of the products are of poor quality, low price products. While a good number of Chinese exports of diamond tools, most of them low-priced products, and even referred to as "junk." Even the high-quality products, which meet or exceed the quality of similar foreign products, because it is made in China label, also can not afford to sell at good prices, seriously affect China's image. What is the reason for this situation is? To sum up two main reasons.
First, the technical level of low quality raw material to be improved. Diamond tools production technology development so far can be divided into three stages. The first stage is to use elemental powder as matrix plus diamond production process using mechanical mixing diamond tools. This process prone to segregation component; sintering temperature is high, likely to cause graphitization of diamond, lowering of the strength of the diamond. Due to a variety of matrix materials to be mechanical, not fully alloyed carcass diamond package inserts poor, difficult to produce high-end products. The second stage is the use of pre-alloy powder for mixing matrix plus diamond diamond tool production process. This process is due to be fully alloyed matrix material, the sintering temperature is low, does not reduce the strength of diamond, avoiding component segregation, diamond package inserts produce good results, the diamond function play very well. For carcass production with pre-alloy powder diamond tools, high efficiency has, slow decay characteristics that can produce high quality diamond tools. The third stage is the use of pre-alloy powder as matrix, using a diamond ordered (multi-layer, uniform diamond) technology. This technology is a technology to accommodate pre-alloy powder, diamond orderly arrangement turn, had to make full use of diamond Each capsule overcome mechanical compounding process caused by uneven distribution of diamond serious defects affecting the cutting properties , is the world's production of diamond tools of the latest technology.
In the usual Φ350mm diamond stone cutting sheet, for example, cut the first stage of the technical efficiency of 2.0m (100%), the cutting efficiency of the second phase of technology to 3.6m (up to 180 per cent), the third phase cutting efficiency technologies 5.5m (increase to 275%) or more. The first phase of the technology in China's current production of diamond tools business, 90 percent still use less than 10% of companies use the second phase of the technology, few companies use third stage technology. It is not difficult to see that the current Chinese enterprises in the production of diamond tools, few enterprises are fully capable of producing high-quality products. However, most companies still using traditional, outdated technology.
Second, the vicious competition. Diamond tools are consumables, the market demand. According to the current technology of the first stage production of diamond tools, diamond tools on the new business easier. In not too long a time, the Chinese production of diamond tools business reached nearly a thousand. In the usual Φ105mm diamond tile cutting saw blade, for example, the product level is "quality", prices at more than $ 18, about 10%; product level is "standard", the ex-factory price of 12 yuan, accounting for 50 %; product level is "economy", prices around 8 yuan, accounting for about 40%.
The good news is China diamond tool industry, private manufacturers are seeking the breakthrough, which led Quanzhou Zhongzhi Diamond Tools Co., a joint enterprise of diamond tools in Quanzhou Quanzhou more than 30 companies within the diamond industry alliance established tool, the purpose is to seek resource sharing , joint together, will Quanzhou diamond tool industry to the country and the world's leading ranks. Zhongzhi Diamond and began to set up a special team to hire, Central South University Dr. Yang, Zhengzhou Abrasives research Dr. Wu, and Fujian Province "Hundred Talents" the introduction of entrepreneurial talent team, Japan-positive Ltd. Dr. Zhao and other special talents, specialized in uniform diamond and study pre-alloyed powders. Improve the level of the diamond tool industry from raw materials and technological level, catching Europe / Korea / Japan, diamond tools.
Overall development of China's diamond industry is still in the era of brutal competition, just as a similar situation in Germany / Japan industrial pre-development, but also experience, so China diamond tool industry if forward progress, but also to go through bankruptcy, merger, reorganization, etc. course, we also wish finally diamond tools in China is getting better, as soon as possible to the world of high-end product line.