Increasing the level of modern technology , equipment updates faster and faster, every 10 or 15 years as a replacement cycle , from the current view, modern tools such as carbide cutting tools in improving the efficiency potential is still quite huge . To earn in such a short period of time costs and make a profit , we must fully tap the potential of the tool . According to the statistics analysis tool costs accounted for 2.4 to 4 % of manufacturing costs , but it can directly affect manufacturing costs accounted for 20% of the machine cost and 38 % of the labor costs. Increasing the level of modern technology , equipment updates faster and faster, and modern high-speed cutting tools , carbide cutting tools , such as the generation of more illustrates this point . Currently, every 10 or 15 years as a replacement cycle. To earn in such a short period of time costs and make a profit , we must fully tap the potential of the tool . According to the statistics analysis tool costs accounted for 2.4 to 4 % of manufacturing costs , but it can directly affect manufacturing costs accounted for 20% of the machine cost and 38 % of the labor costs.

Another algorithm is a machine and tool investment ratio of 9:1 to 7:3 ? Investment tool in place as long as the cutting speed and feed rate increased by 15 to 20 percent per manufacturing costs can be reduced by 10 to 15%.

Another method is to put the machine tool with a ratio of 9:1 to 7:3 , so long as the tool of investment in time, cutting speed and feed rate is not increased by 15% to 20% of the manufacturing cost can be reduced by 10 % 15% . Data analysis pointed out that the tool costs only 3% to 5 % of the total cost of the parts manufacturing cost , so if the tool purchase price reduced by 30% , saving companies only 1% cost of parts . If you purchase good quality tools that extend tool life by 50% , the enterprise can only save one percent of the cost of parts . If you purchase an excellent tool performance improvement tool cutting performance, improve processing efficiency ( assuming a 20% increase ) , then in order to be able to save 15 % of the parts cost.

This theory has been confirmed by many examples of cutting . We do a comparison: In 1900 , if the carbon tool steel cutting tools with a diameter of 100mm, 500mm length carbon steel shaft , you need 100 minutes to complete. And now, with carbide coated tools or cubic boron nitride cutting tools , processing the same axis , but it only takes a minute to complete.

Thus the cutting tool to improve the efficiency of potential is quite huge.


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Tungsten market: tungsten concentrate with ammonium paratungstate market vulnerable, the buyer sustained prices, but the seller's price consciousness is strong, the market prices of basic stability. Because of the lack of demand for support, continued weak travel demand of cemented carbide, tungsten carbide powder did not increase the purchasing volume, manufacturers have cut production, the market wait-and-see atmosphere rich, businesses are waiting for storage and other favourable factors to change the market operation, low enthusiasm. The latter is expected tungsten carbide mainstream price or more concentrated in the range of low. Expected short-term tungsten, or difficult to have the possibility of rebound sharply.

Molybdenum market: the market demand gradually cooling down, businesses are expected to have begun to fall. Molybdenum concentrate market weakness, trading quantity is less, lack of business guide. Ferromolybdenum the tender price level is low, it is difficult to boost the market, many manufacturers to maintain wait-and-see. Other molybdenum products relatively calm. Expected short-term molybdenum market or is still weak.

Tungsten carbide thin market transactions, price slightly confused, according to the current understanding of the market 263-270 yuan / kg price are. The purchaser price low, the current low inquiry in general at 263 yuan / kg near; manufacturer's price consciousness is stronger, in order to reduce prices lower speed and offer strong foreign quotation, generally in the 268-270 yuan / kg, but the actual receipt of inquiry is low, and the price is low, less turnover.

Continued weak downstream demand of cemented carbide, tungsten carbide powder did not increase the purchasing volume, manufacturers have cut production, the market wait-and-see atmosphere rich, businesses are waiting for storage and other favourable factors to change the market operation, low enthusiasm. The latter is expected tungsten carbide mainstream price or more concentrated in the range of low.


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Tungsten concentrate with ammonium paratungstate market vulnerable, although the mainstream price basically unchanged, but the interval low risk continue to slightly low, the buyer sustained prices, but the seller's price consciousness is strong, expected short-term due to lack of demand support, tungsten, or difficult to rebound sharply.

The macroscopic aspect, Li Keqiang stressed: relying on the golden waterway construction of Changjiang River economic belt; Chinese consumer confidence index in March 107.9, consumption will increase; RMB spot farewell sixth down, fluctuation influence behind.


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In April 15th, the State Key Laboratory of hard alloy first academic committee of the fourth meeting held in hard line group.

The meeting chaired by the director of Academic Committee academician Huang Boyun. Professor Xiong Weihao and other 10 members of the Academic Council, general manager of the company Wu Guogen, party secretary, deputy general manager Wang Huiping and major science and technology project for research backbone, laboratory of more than 30 people attended the meeting.

Welcome to Wu Guogen. He was the first to express our gratitude to the members of the laboratory, expert guidance and help said. He hopes to put forward constructive comments and suggestions from members of the laboratory planning and development, academic research, the laboratory construction level into a new step, make the laboratory can apply and meet the acceptance with the best attitude.

Lab director Zhang Zhongjian researcher reported significant results achieved in the construction period of the laboratory, and the progress made in personnel, research platform construction, mainly introduces the laboratory work in 2013 and 2014 work plan, put forward the Key Laboratory of approval work arrangements. Deputy director of the laboratory of Wang Shequan and Zhang Lu respectively in innovation and development, the coarse grain cemented carbide tool materials preparation research technology made an academic report.

The construction and development of laboratory academic committee annual work report and laboratory undertook discussion seriously. Members successfully apply for national key basic research project achievements fully affirmed to the construction of a series of innovative research results, laboratory made in the past year laboratory and laboratory received a number of national science and technology award,, the pertinent suggestions on laboratory personnel team, innovation ability and other aspects of construction.

Put forward valuable opinion members also top design, research, personnel training, high power output. They expect the laboratory focus on long-term development, to further strengthen the basic theory and application technology research, improve the academic level, to enhance the national discourse right in the field of hard alloy, enhance the international competition ability of national key laboratory.

Researcher Zhang Zhongjian thanks to the help of Academic Committee of the laboratory, and that will foster development direction, to better improve, formed its own characteristics, core results. The academic committee of the conference approval prior to the convening of the laboratory, plays an important role in the laboratory with a new look to meet the approval, has important significance for the long-term development of laboratory.


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Have a group of people in the well &ldquo ” hard; the tungsten, a group of people for two people well, meet, staged a strong buy strong sell “ ” blackmail and impose exactions on farce. In April 28th, Jiangxi province Anfu county people's court shall hear such blackmail and impose exactions on case, determine the defendant Hong Min's actions constitute blackmail and impose exactions on crime, sentenced to six months in prison, fined 10000 yuan.

2012 day in August, Li Lin, Guo Xiaofang, Zhong Mingying three people incited to Anfu county a tungsten mining Kui Ri stealing wolfram 50 kilograms, met &ldquo when three people sweat filled with joy out of the wellhead back; ”, is waiting in the defendant Hong Min and Zou Xin, head of Zhu Xiaoyi (already sentenced) interception, Zou Xin, Zhu Xiaoyi, Hong Min three people to the wellhead is out of the open, stress the three people such as Li Lin will sell the home to Li Jun wolfram, wolfram, sold for 3200 yuan, the money in the Li Lin three people haven't muggy, were the three people such as Hong Min.

December 19, 2013, the defendant Hong people take the initiative to the public security organs to.

After the first instance court think, the defendant Hong Min with illegal possession for the purpose, and others to threats blackmail and impose exactions on others' property, large amount, his behavior constituted the crime of blackmail and impose exactions on. The defendant in Hong min after the punishment within five years shall be sentenced to more than make the punishment of sin, a recidivist, shall be given a heavier punishment according to law. The defendant Hong min after crime automatic surrender, confession of crimes, surrendered, may be given a lighter punishment according to law. Accordingly, the court made the ruling.


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April 28, 2014 tungsten reference price of all varieties :

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In the past, it was believed that drilling must be carried out at lower feed rate and cutting speed , this view in the use of ordinary drill processing conditions were right . Now, with the emergence of carbide drill bits , drilling concept has also changed. In fact, by the correct selection of a suitable carbide drill bits , drilling can greatly improve productivity, reduce processing costs per hole .

The basic types to choose from carbide drill carbide drill is divided into four basic types : solid carbide drills , carbide indexable insert drills , welding and replaceable carbide carbide drills crown drill . Each drill has the advantage for a particular processing conditions .

Solid carbide drills Solid carbide drills are suitable for use in advanced machining center. Such drills manufactured using fine particles of carbide materials , in order to extend the service life , but also for the coating, blade -type geometry designed with self -centering drill bit , good chips in drilling most workpiece materials control and chip performance. The self-centering function and manufacturing precision drill strict quality control to ensure that the hole drilling , drilling without further follow-up after finishing .

Welded carbide drill welded carbide drill steel drill body in solid carbide weld a crown made ​​. This self-centering drill bit using geometric edge -type , small cutting force , for most workpiece materials can achieve good chip control , processing of the hole surface finish, dimensional accuracy and positioning accuracy are high, do not have to follow-up fine processing. The drill using the cooling method can be used in machining centers , CNC lathes or other high rigidity, high speed machine .


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Tungsten market : tungsten concentrate market remains in the doldrums , the market waiting to see atmosphere more intense , more concentrated near the cost price , production businesses are profitable , said the current low price , shipping negative , so the procurement activity , but the turnover continued stalemate, tungsten scrap stock market more, but not many on the spot distribution market , mainly because of low holding cargo ship will not high , currently holding more choice of goods on the sidelines. Transaction is expected before May plight die hard.

Molybdenum market : With the market rally signals gradually subsided , the venue there is a greater difference in the business mentality , increasing bearish outlook , participants shipped cash conscious. Inadequate venue favorable factors, the lack of support for the market momentum . Molybdenum concentrate , molybdenum iron products traded at a slower pace , participants raise the degree of operating cautiously . Many businesses put high expectations, coupled with the level of boost steel trick little difficult optimistic outlook . Expected short-term molybdenum market or weak to run.

Currently scrap tungsten stock market more, but not many on the spot distribution market , mainly because of low holding cargo ship will not high , currently holding more choice of goods on the sidelines. Market traded mostly small quantities of cash transactions , the lack of short-term demand is expected to support the price of tungsten scrap hard up, or continue to stabilize .

According to research to understand today, mainstream tungsten scrap prices little changed compared with last week . The distribution market : waste tungsten drill traded 186 yuan in cash / kg , and the volume is several hundred kilograms , was minimal ; waste imported tungsten blade 177 yuan / kg , needs and procurement are too few ; domestic waste tungsten blade 169 yuan / kg, the price is relatively strong, direct manufacturers to sell at a predetermined price higher . Manufacturers final purchase price than the market price is generally about distributing high 2 yuan / kg.


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