YD carbide rods welding tecnnology.

Welding technology: YD type electrode are made on oxygen - acetylene flame surfacing welding, using the welding tip should be larger than ordinary gas welding carbon steel used in the tip. The flame should be transferred into neutral or slightly partial carbonizing flame. Neutral flame should strictly control the tip of the flame core position, can't come into contact with carbide particles and workpiece surface, in order to avoid burnt, which is higher than the common welding tip, this is the key of affecting the service life of wear-resistant surfacing layer, do not ignore.


Welding should be as far as possible when using flat position, other position welding should be used when appropriate clamping fixture. Work site must be well ventilated to avoid harmful to health.


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Few real one PDC CUTTER for oil drilling.

In China at presents, it is very few can produce the good quality PDC CUTTERS for oil field applications, but we are the few real one.

PDC Cutter(Polycrystalline diamond compact) is composed of polycrystalline diamond layer and tungsten carbide substrate.The polycrystalline diamond layer possesses extremely high hardness and abrasion resistance whereas the tungsten Carbide substrate would greatly improve the malleability and weld ability of the whole composite.

Product Description

1. High hardness, abrasion resistance and impact resistance

2. High speed

3. Cutter layout is force balanced to drill a precise round hole and reduce bit whirl

4. Gauge pads have tungsten carbide inserts for maximum wear resistance

5. The diamond layer with thickness over 1 mm increases abrsion resistence of PDC cutter.

6. Sintered at high pressure and temperature

Usage: It can be used in making wire-drawing die, Geological bit, oil bit, PCD cutting tools, wood cutting tool, and polishing Jewels.

PCD is a diamond combo produced by synthetic diamond sintered with bond under high temperature and high pressure; It has very high wearability and high thermal stability. Its widely used in petroleum extraction, diamond machining, geology drill and mechanical processing tools.

PCD series have lower wearability than TSP series. It is the first choice for nature diamond cutting & polishing nowadays. We can provide different shapes and different sizes of PCD.

Item (D)(mm) (T) (mm) Thickness(t) (mm) Diamond Chamfer (mm)

1308 13.44± 0.03 8.00± 0.10 2.30± 0.20 0.30± 0.10

1313 13.44± 0.03 13.20± 0.10 2.30± 0.20 0.30± 0.10

1608 15.88/16.00± 0.03 8.00± 0.10 2.30± 0.20 0.30± 0.10

1613 15.88/16.00± 0.03 13.20± 0.10 2.30± 0.20 0.30± 0.10

1908 19.05± 0.05 8.00± 0.10 2.30± 0.20 0.30± 0.10

1913 19.05± 0.05 13.20± 0.10 2.30± 0.20 0.30± 0.10

1916 19.05± 0.05 16.31± 0.10 2.30± 0.20 0.30± 0.10

PDC(Polycrystalline diamond compact) is composed of polycrystalline diamond layer and tungsten carbide substrate.

The polycrystalline diamond layer possesses extremely high hardness and abrasion resistance whereas the tungsten Carbide substrate would greatly improve the malleability and weld ability of the whole composite.

PDC Cutter with best carbide substrate High hardness, High speed,abrasion resistance and impact resistance.

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Method of superhard materials and metal matrix composite materials and petroleum drill stabilizer and oil drilling.

Diamond superhard materials usually refers to the kind of material, for example: natural diamond, synthetic polycrystalline diamond PCD, polycrystalline diamond composite piece of PDC and impregnated diamond sintering and cubic boron nitride CBN has a very high hardness and wear resistance of the material. Superhard material and metal materials, especially steel composite can be made into excellent comprehensive performance of superhard wear-resistant tools. Currently widely used in petroleum drilling tools, geological exploration, mining engineering, and special cutting tools, abrasive wear parts, etc. Existing technology in general sintering, non-pressure immersion or brazing method, connected superhard materials and alloy steel. These methods, the implement process is complex, high cost, and high temperature in the process of sintering welding heat can significantly reduce the comprehensive performance of superhard materials and metal substrate.

Existing technology and adopt the way of interference fit of the tungsten carbide tooth set fixed on the steel substrate, the method of the method of cemented carbide tooth column machining accuracy requirement is very high, generally need to be adopted to reach the final assembly size of grinding. But for the high temperature of polycrystalline diamond and cubic boron nitride polycrystalline, due to its shape and size of the error is bigger, not directly use the method of interference fit with fixed on the metal substrate, can only adopt the method of grinding, to the final assembly size. And this kind of superhard material grinding is difficult, time is long, the cost is high, so difficult to directly on industrial application will superhard material cylinder fixed on the metal substrate.
Widely used in oil drilling tool stabilizer to stable drilling borehole wall, controlling well track and repair, especially in the directional well and horizontal well, the wearability of downhole stabilizer put forward higher requirements. The downhole stabilizer is mainly to the widespread use of tungsten carbide hard alloy as its surface wear-resisting layer, commonly used on the steel substrate Mosaic, welding tungsten carbide tungsten carbide cylinder block or welding tungsten carbide, etc. In directional well and horizontal well, as a result of contact with the casing load is bigger, the drilling tool with tungsten carbide as wear-resisting layer stabilizer wear serious, life is short, downhole stabilizer after the impact of the accuracy of wellbore trajectory control. In order to improve the wear resistance and service life of the downhole stabilizer, can adopt the method of the invention above on the steel substrate Mosaic polycrystalline diamond cylinder to replace tungsten carbide cylinder as its wear-resisting layer, due to the wear resistance of polycrystalline diamond cylinder is around 90-100 times of tungsten carbide cylinder, thus can greatly improve the wear resistance of drill stabilizer.

By the same method, in the roller bit tooth bit body or claw back, cone surface, enchase diamond polycrystalline cylinder or polycrystalline diamond teeth, as a gauge or trimming tooth, replace the current use of tungsten carbide tooth, can greatly improve the wear resistance of drill bits and gauge ability, keep the bit diameter and trim sidewall effect.

There is another application, in the current set with tungsten carbide tooth on the basis of using shape memory alloy tube collar for a horse collar cemented carbide tooth column, the Mosaic interference to tooth holes on the surface of the roller, because the superelasticity of shape memory alloys with high damping shock absorption properties, can cushion the impact of the external load stress, avoid teeth fracture.

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Carbide cutting tools industry trends.

With the progress of science and technology, we are in a rapid development period, advanced manufacturing technology application of cnc machine tools, greatly reduce the auxiliary time of parts processing, greatly improved productivity. When general aviation parts processing, shorten the auxiliary time, cutting accounted for the proportion of time increases accordingly, in order to further improve the productivity of machine tools, must increase cutting speed, this also is in recent decades the main reason for the rapid development of high speed cutting technology. High-speed machining the earliest light alloy is mainly used in the aviation industry, has now become a aviation manufacturing industry to improve processing efficiency and quality, the main way to reduce the processing cost.

In aviation parts processing, high speed cutting is a large number of applications, mainly has the following several reasons:

(1) in order to maximize the weight loss and meet other requirements, many of the artifacts, wall panels, "overall manufacturing method", namely remove allowance on large pieces of blank, the formation of thin wall, fine steel structural parts, need to remove a large number of metal materials, cutting time lead to take parts total production time proportion is very big, so one of the ways to improve productivity is to adopt the high-speed cutting processing.

(2) aircraft parts of complex structure, high accuracy, stiffness of thin-walled parts, thin steel structure is poor, try to reduce the radial cutting force and thermal deformation of machining, only using high-speed machining can meet these requirements.

(3) the difficult-to-machine materials, such as high temperature nickel base alloy, titanium alloy, high strength structural steel adopted by modern aviation products, the material strength, high hardness, impact resistance, easy processing of hardening, high cutting temperature and tool wear serious, belong to the hard processing material. Generally adopt the low cutting speed for processing, if the high speed cutting, not only can greatly improve the productivity and can effectively reduce the tool wear, improve the quality of the surface of the parts. High-speed machining is different from the traditional machining technology of machining mechanism and the application advantages, it is a conceptual change in nc machining process. According to the material and structure characteristics of aviation products, in order to realize high speed machining must be advanced in order to ensure the high speed cutting tools. High-speed cutting tools must have good wear resistance and high strength and toughness, advanced cutting tool materials, excellent geometric structure parameters of cutting tool coating technology, reasonable and highly dynamic balance system, safe and reliable way of clamping, as well as the high concentricity of the blade precision and so on.

The development direction of cutting tool materials and applications
At present, in the field of aircraft manufacturing, high speed steel cutting tools account for about 60% of the total amount of all kinds of cutting tool always, cemented carbide cutting tools account for about 35% of the total amount of cutting tool, superhard cutting tools (cubic boron nitride, diamond) accounted for less than 5% total all cutting tools and in the future, as the aviation new materials constantly emerging, the increase of hard cutting, dry cutting application, carbide cutting tools, coated tools, ceramic cutting tool, cubic boron nitride cutting tool and the proportion of polycrystalline diamond cutting tools will be greatly increased.

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PDC Cutter with best carbide substrate High hardness, High speed,abrasion resistance and impact resistance.

Diamond single crystal and industrialization.

The development of large single crystal diamond is not enough for our country. Here consists of two aspects of content:

PDC Cutter with best carbide substrate High hardness, High speed,abrasion resistance and impact resistance.

Synthesis method of large particles diamond single crystal seed crystal; (2) the epitaxial growth method is adopted to develop large single crystal diamond. Synthesis method of large particles diamond single crystal seed crystal, although it has about 6 mm of big domestic single crystal, there are 10 mm or study plan, but it is rare in the market. While Japan's sumitomo corporation available synthetic diamond single crystal diamond tool adopted the larger particles.
Epitaxial growth method is used to develop large single crystal diamond, should cause our great attention. Some people think that the epitaxial growth cannot obtain diamond single crystal, but in natural crystal growth is a kind of phenomenon, starting with a lot of small crystal bud, grew up in a basement, crystal sprouts grow up step by step, gradually reduce the crystal quantity. We call this phenomenon "geometric elimination law", we can use this to explain the fact that may develop into single crystal diamond thin film.
Cubic boron nitride composite and its development of functional materials
The current domestic research and production of cubic boron nitride composite strength is quite weak, research institutes and universities are limited in several, is 1 ~ 2 production enterprises. The original thinking of cubic boron nitride should account for 25% ~ 30% of superhard material, after decades of development also accounted for only 5% ~ 5%, this is an unreasonable phenomenon. Not to mention its composite functional materials was developed.
A, cubic boron nitride composite sheet of restricted to henan an enterprise, its diameter is ф (30 ~ 35) mm, the technology will need to be further improved, especially the uniformity, stability, if can industrialization, as its development prospect will be considerable.
B, cubic boron nitride functional research domestic visible may simply be at jilin university. So far in the world with high temperature and high pressure method in laboratory under the condition of maximum size of the synthesis of cubic boron nitride single crystal is only 3 mm. Especially most of the growth of the crystal shape is irregular, unfit for device research applications. For this, the researchers conducted a functional device with high purity flake synthesis, cubic boron nitride single crystal is obtained nearly millimeter level surface with optical flatness, shape rules of high purity flake cubic boron nitride single crystal. As we have laid the foundation for the further study on its properties.
Cubic boron nitride crystal is a typical Ⅲ - V compound, its resistivity is 1010 Ω. Cm, 13 w/cm. The thermal conductivity K, can tolerate high temperature of 1200 ° C, and have the most wide direct band gap of 6.4 eV, so also is a kind of very important excellent semiconductor material, it in high temperature and high power broadband device microelectronics has a broad application prospect. Cubic boron nitride with sphalerite structure, belongs to the macroscopic symmetry F43m - Td group, also can have a second order nonlinear optical effect. It can be used to make optical higher harmonic generator, electro-optic modulator, visible and ultraviolet light converter, optical rectifier, optical parametric amplifier and so on. Cubic boron nitride as diamond still has a strong ability to resist radiation, to the preparation of radiation devices. Therefore, the preparation of cubic boron nitride materials research to the national economy in various fields, especially in the aerospace, military and other harsh environmental conditions application breakthrough device has important practical significance.
Due to the sheet, the synthesis of cubic boron nitride crystal provided can be used as the properties of crystal material, make us in the study of nature of cubic boron nitride is very apparent success. For example, with the development of lamellar cubic boron carbide, then can be obtained with diamond CVD method will cover up the ideal semiconductor devices. So the functional sex of the cubic boron nitride research becomes the more important!


From the above content, we have a lot of work needs to be done in superhard materials. We often say that the 21st century is the century of diamond, it is not only in the development and application of abrasive, more will be the development and utilization of functional. Our country has a good study atmosphere, with a large number of old and new combined with development of science and technology talents. We totally believe in the near future comprehensive catch up with and surpass the advanced world level.

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Look at the future development of cutting tool from the airline industry demand

Entering the 21st century, competition in the market driving machines technology as the forerunner of advanced manufacturing technology is developing at unprecedented speed, aviation parts and components manufacturing also has entered in the digital manufacturing technology for the development of the characteristics of The Times. Advanced aviation product requirements aviation parts has more excellent performance, lower cost and higher environmental protection, and machining process requirement has faster speed, higher reliability, high repeat precision and reproducibility. Traditional tool cannot meet the above requirements, cutting tool industry and entered the "high precision, high efficiency, high reliability and specialty" of the new pattern of modern cutlery production. High speed and high efficiency cutting with the progress of science and technology, we are in a rapid development period, advanced manufacturing technology application of nc machine tools, greatly reduce the auxiliary time of parts processing, greatly improved productivity. When general aviation parts processing, shorten the auxiliary time, cutting accounted for the proportion of time increases accordingly, in order to further improve the productivity of machine tools, must increase cutting speed, this also is in recent decades the main reason for the rapid development of high speed cutting technology. High-speed machining the earliest light alloy is mainly used in the aviation industry, has now become a aviation manufacturing industry to improve processing efficiency and quality, the main way to reduce the processing cost.

In aviation parts processing, high speed cutting is a large number of applications, mainly has the following several reasons:

(1) in order to maximize the weight loss and meet other requirements, many of the artifacts, wall panels, "overall manufacturing method", namely remove allowance on large pieces of blank, the formation of thin wall, fine steel structural parts, need to remove a large number of metal materials, cutting time lead to take parts total production time proportion is very big, so one of the ways to improve productivity is to adopt the high-speed cutting processing.

(2) aircraft parts of complex structure, high accuracy, stiffness of thin-walled parts, thin steel structure is poor, try to reduce the radial cutting force and thermal deformation of machining, only using high-speed machining can meet these requirements.

(3) the difficult-to-machine materials, such as high temperature nickel base alloy, titanium alloy, high strength structural steel adopted by modern aviation products, the material strength, high hardness, impact resistance, easy processing of hardening, high cutting temperature and tool wear serious, belong to the hard processing material. Generally adopt the low cutting speed for processing, if the high speed cutting, not only can greatly improve the productivity and can effectively reduce the tool wear, improve the quality of the surface of the parts. High-speed machining is different from the traditional machining technology of machining mechanism and the application advantages, it is a conceptual change in nc machining process. According to the material and structure characteristics of aviation products, in order to realize high speed machining must be advanced in order to ensure the high speed cutting tools. High-speed cutting tools must have good wear resistance and high strength and toughness, advanced cutting tool materials, excellent geometric structure parameters of cutting tool coating technology, reasonable and highly dynamic balance system, safe and reliable way of clamping, as well as the high concentricity of the blade precision and so on.

To be continued.

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Carbide die life of more than ten times that of steel or even dozens of times

Carbide die life of more than ten times that of steel or even dozens of times, hard alloy moulds only high hardness, high strength, corrosion resistance, high temperature resistant and low expansion coefficient, are generally use cobalt tungsten carbide.

As the market standard material YG3, YG6, YG6X YG8. YG15, YG20, YG20C, YG25 and HU20 HU222, HWN1 (non-magnetic alloy mold), etc., using native carbide material, low pressure sintering and other special craft, toughness is better than the regular production, life will also improve 3-5 times.

Hard alloy moulds according to use can be divided into four categories:
The first category for cemented carbide drawing die, most of this kind of mould of cemented carbide mould. At present the main brand of wire drawing die YG8, YG6, YG3, followed by the YG15, YG6X, YG3X, developed some new brands, such as used in high-speed wire drawing new brand YL, and from the number of imported wire drawing die CS05 (YLO. 5), CG20 (YL20), CG40 (YL30); K10/19 dated, ZK20 / ZK30.

The second type of mold is cold cold heading die, plastic mould, the main brands are YC20C, YG20, YG15, CT35 and YJT30 MO15.
The third type of mould is used for magnetic material production of non-magnetic alloy mold, such as series of YSN YSN (20, 25, 30, 35, including 40) and steel bonded magnetic mold brand TMF.

The fourth class for hot-work die, this kind of alloy temporary top brands, the market needs to increase. Cemented carbide mould is: cold heading die, cold punching die, drawing die, hexagonal die, screw die, etc.

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China's cemented carbide market should be changed from supporting role to lead

According to China association of tungsten carbide branch, according to the data provided by the 2013 national more than 300 cemented carbide production enterprises, has more than 30 professional scientific research institutes, the cemented carbide industry workers, more than 25000 people. By 2013, with 100000 t/a capacity of tungsten concentrate, 180000 t/a of tungsten and tungsten acid salt production capacity, production capacity of 62000 t/a tungsten carbide, carbide production capacity of 38000 t/a, Co and Ni, Ta, Nb, Ti matching supply ability.

In 2013 China's cemented carbide production of 2013 tons, cemented carbide industry sales income is 20.9 billion yuan, carbide exports nearly 5000 tons, export more than $360 million, hard alloy deep-processing products output reached 6600 tons, about a third of the alloy production. Production by carbide product variety is complete, the basic types of more than 40000, output and varieties of basic can meet the needs of China's economy.

Main problems of cemented carbide industry in China: one is the enterprise on a smaller scale, the industrial concentration is not high. According to incomplete statistics, 199 cemented carbide enterprises average annual capacity of 176 tons, with average annual output of 86 tons, annual output over 1000 tons of only four companies. Second, less investment in science and technology, the lack of high-end technical personnel, technology research and development ability is weak. Cemented carbide industry in China in the field of science and technology investment is less than 3% of sales revenue, science and technology development level is not high, less original core technology achievements. Third, the low level of product quality, product structure need to be adjusted. China's cemented carbide production accounts for more than 40% of world output, but the carbide sales income is less than 20% of the world, mainly due to the high performance super fine alloy coating, high precision, high performance grinding blade, ultra hard tool materials, complex, precision carbide nc cutter large products less high value-added products production, deep processing and varieties of form a complete set is not complete.

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With China's rapid expansion of the auto industry, auto parts machining of cutting tool of increasing demand, China's iron and steel, transportation, construction and other fields is also increasingly strong demand for cemented carbide. In foreign cemented carbide in the multinational company's strategic vision, the Chinese market has quietly changed from supporting role to lead.

Analysis indicates that, to the end of the 12th five-year Chinese cemented carbide production reaches 30000 tons, sales income reached 30 billion yuan, deep processing of products more than 40% of the total production of cemented carbide. Export "11th five-year plan" will be doubled compared to more than $1 billion. Carbide will be to develop in the direction of deep processing, form a complete set of tools; To superfine, super thick and coating composite structure direction; To develop in the direction of circular economy, energy conservation and environmental protection; To develop in the direction of motors, miniaturization.
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China's nuclear grade zirconium alloy products complete manufacture process

Our country with independent intellectual property rights of nuclear grade zirconium alloy products complete technology development with independent intellectual property rights in China's nuclear grade zirconium alloy products complete manufacture process Major progress was made in our country independent research and development of nuclear fuel components.

Carbide Wear Parts Tungsten Bar Carbide Nozzles Carbide Strips

On April 2, 2014, China guangdong nuclear group, head of the science and technology research and development department Zou Yongping revealed to the journal of science and technology press, they have completed the independent brand of nuclear fuel component structure design, with independent intellectual property rights of nuclear grade zirconium alloy product trial process has been completed and the independent nuclear fuel performance analysis software has launched a trial version. Nuclear fuel is uranium, which was burned into small cylindrical uranium oxide ceramic pellets, piled up in the tube made of zirconium alloy cladding, make it their slender rods, and the fuel rods according to certain rules are assembled into a fuel assembly, is available for plant use. Nuclear reactor core containing hundreds of nuclear fuel components, the total weight of dozens of tons. Zirconium alloy based on zirconium base to add other elements, constitute the non-ferrous alloy. With the constant improvement of the performance requirements of nuclear fuel components, developed has good mechanical properties, corrosion resistance and radiation resistance of high performance nuclear grade zirconium alloys has been the nuclear main research direction of the advanced countries. Nuclear grade zirconium alloy and high performance in the high temperature and high pressure steam and water is a must have good corrosion resistance and mechanical properties of moderate and low atom thermal neutron absorption cross section, has good compatibility to the nuclear fuel, so only can be used as a water-cooled nuclear reactor core structure materials (fuel cladding, pressure pipe, bracket and channel), which is the main purpose of the zirconium alloy. Nuclear fuel component is the core component of the plant, it provides energy for nuclear power plant at the same time, is the first barrier to prevent nuclear, a direct impact on the plant safety, reliability and economy. At present, the large commercial nuclear power units used in the design and manufacturing technology mainly depends on imported fuel assembly.

To ensure the safety of the nuclear fuel supply in our country from the fuel assemblies of the core technology of others, in 2009 founded guangdong nuclear fuel research and development center, won the national energy administration after "the national center for energy research and development of advanced nuclear fuel element (experiment)" opening, and bear the national nuclear energy development project "PWR fuel element design and manufacturing technology" the development of the work. Depending on the product research and development, CGNPC within five years accumulative total investment funding nearly 800 million yuan, set up with international leading level of the nuclear fuel thermal performance analysis platform, reactor physics calculation analysis platform, integrated fuel assembly thermal test device, hydraulic performance comprehensive test device, mechanical comprehensive test device, pool detection device research and development facilities, such as established by the domestic and foreign nuclear fuel of senior experts and technicians in the field of research and development team. Currently, CGNPC has completed its own brand products have eight feet, 12 feet, 14 feet fuel components, high-performance nuclear grade zirconium alloy, nuclear fuel performance analysis software package, such as product development, at the same time to carry out the study of fault-tolerant fuel the next generation of accident. Zou Yongping said, these research results can meet the three generation of nuclear power technology in China "hualong number one" the needs of the construction and operation, will also be carrying nuclear power units under construction in China is upgrading "Chinese core" to provide more product choice, for the safe and stable operation of domestic nuclear power units in the escort.

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Below is prolonging the service life of the drill pipe method, must want to know

Use the drill pipe or should pay attention to some aspects, which to improve the work efficiency and prolong its service life has important practical significance, at the same time save project costs, is each consumers need to know!

1, when using the new drill pipe, shall determine the bit before cutting (protect the shaft head) thread is also close to the new button a bad turn is easy to damage the new drill pipe thread is widespread losses, caused by leakage, such as card buckle, loose state.

2, drilling and digging for the first time, in use should be first new button "grinding", which includes, first wipe on thread oil science and technology innovation, and then use drilling machine to twist, to open the domestic demand, the oil with thread to open again, and repeat three times, can avoid wear and card buckle.

3, as far as possible to maintain drill pipe under the ground and on the ground in a straight line, so that we can avoid the threaded part of the lateral force and don't need to wear lots of even jump buckle drill pipe, pay attention to the anchor drill avoid moving force in the construction is very important.

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How to correctly choose carbide grades?

How to correctly choose carbide grades



Correctly choose carbide grades, effective use of cemented carbide is the vital factor. When choosing carbide grades, should be paid attention to:

1, the physical and mechanical properties of the rock formations, such as hardness, grinding, and its shape characteristics, such as such as density, fracture, joint, caves, etc.

2, rock drill model, such as light, heavy, etc.

3, broken rock method, mainly include cutting, cut up, crushing, smash, etc.

Please remember this sentence:

Not the best product in the world, only the most suitable for your products!

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Cutting coal and rock mining machinery knives use SIX STAR HARDMETAL carbide auger tips.

Cutting coal and rock mining machinery knives, including "flat cutter tooth (flat pick)", "conical cutter tooth (conical pick)"; "Radial cutting teeth (radial pick)", "cut to cut teeth (tangential pick)", etc.

The wear mechanism of the literature or nature as mechanical wear with thermal fatigue wear and abrasive wear. It is not hard to see, is quite harsh pick the performance requirements of surfacing welding layer, the first itself to wear, that is to say, in the process of coal mining, cutting teeth welding layer between the coal seam and continuing friction movement happens, pick the surfacing layer must withstand seam long wear. In this case, the surfacing layer hardness, wear resistance, the higher the better; Second, cutting teeth must be considered in the process of cutting coal and rock inevitable impact loading, if the hardness of surfacing layer is too high, metal toughness is poorer, surfacing welding layer metal are prone to cracking or fracture. Therefore, the higher the hardness of surfacing layer is not necessarily better, but should be comprehensive consideration, make its have good anti-wear performance. Anti-wear performance, refers to the high wear-resisting performance premise conditions, appropriate to reduce the hardness and wear resistance, with its moderate wear resistance improved comprehensive damage resistance hardfacing layer. The best comprehensive damage resistance and hardness of surfacing welding layer, there is a matching relationship between the relationship of quantitative determine, welding layer for cutting teeth welding material properties of the major improvements have a positive role.

Pick the use of surfacing welding layer performance influence factor is more, on the whole there are three main factors: one is the influence of load force.

In the process of coal mining, which increase the effect of contact force between coal and rock in the surfacing layer and factors, such as increasing the shearer traction speed, cutting resistance of increase, cutter tooth wear phenomenon will increase;

Second, the influence of geometric parameters and arrangement of. Reasonable cutting gear geometry parameters and a good match with the coal rock physical properties of cutter tooth arrangement, can reduce the cutting tooth cutting resistance and axial force, so as to slow the abrasion of cutting teeth;

3 it is surfacing layer and the influence of coal rock material properties. Coal quality of hard and soft and the amount of waste rock, very obvious effects on cutting tooth wear. Coal quality soft, less waste rock of coal rock, cutter tooth cutting resistance is small, shearer traction resistance is small, the wear rate of smaller; On the other hand, the wear rate of larger.

In the surfacing layer performance influence factors above, the first and the second is that external factors, the third point is the internal factors, external cause by internal work. That is to say, both the influence of load force and the influence of geometric parameters and arrangement of, eventually to reflect to the surfacing layer and the influence of material properties on coal. Material properties is the core factor. Here, the coal and rock material properties were selected in advance (i.e., by coal rock characteristics is the existing objective), can change the material properties is pick surfacing layer. And pick the change of the surfacing layer properties, in the final analysis depends on the material composition, microstructure and properties of surfacing, and strict implementation of form a complete set of welding technology.

In the key position of cemented carbide parts, using six star carbide company production of two kinds of different shape of alloy tooth, has the very good impact resistance and wear resistance, greatly improving the service life of the product, save the cost for the customer.

Carbide Buttons Manufacturers Tungsten Carbide Button Rock Auger Teeth

Carbide Chisel Tungsten Carbide Tips Rock Auger Bullet Teeth Bullet Teeth for Augers - Six Star Hardmetal

Hardmetal from CHINA.

With refractory metal hard compounds and bonding metal through powder metallurgy technology made of an alloy material. Cemented carbide with high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and a series of excellent properties, especially its high hardness and wear resistance, even at 500 ℃ temperature basic remains the same, there are still very high hardness at 1000 ℃. Hard alloy are widely used as a cutting tool material, such as turning, milling, planing tool, drilling, boring cutter, etc., used for cutting cast iron, non-ferrous metal, plastic, chemical fiber, graphite, glass, stone and ordinary steel, can also be used for cutting heat resistant steel, stainless steel, high manganese steel, tool steel and other hard processing material. Now new type of cemented carbide cutting tools for hundreds of times of the cutting speed is equal to the carbon steel.

Carbide Brazed Tips Carbide Tip Carbide Wear Parts

Carbide Sleeves Tungsten Carbide Tube Carbide Bushings Tungsten Carbide Seal - SIX STAR HARDMETAL

Chinese name: 硬质合金

Foreign names: cemented carbide

Pinyin: yìng zhì hé jīn 

Process: alloy material made by powder metallurgy process

Characteristics: high hardness, wear resistance, heat resistance, corrosion resistance

Application: all kinds of lathe cutter, drill bit

Types of Cutting Tools to Consider

Cutting tools are the most important bit of machinery that is required in almost all the small and big industries.25 Accounts Why You Should Settle Carbide InsertsEvery Day.Hey! How Can You Leave out In Vogue Carbide Tips?.What Come in? Carbide Inserts. But according to the requirement the tools are different. There are various types that are used in the industries. The laser, steel, diamond and many more are popular among the industry workers.Hot Sales of the World: Carbide Tips and Accessories.Festivals Ideas – Gifts, Activities, and Carbide Buttons.Several Tips to Suit Carbide Buttons.Top 10 Giveaways for Easter.

Laser

The laser cutting tools are the most advanced form of cutting tools. They are often operated by computer and the accuracy level is near about perfect. If you are in an industry where you need to cut the materials according to the intricate details of the sample, this is the best option for you. The basic principle of the tool lies in the emission of photon particles through light and this performance level can be intensified increasing the percentage of the light.Several Primitive Ways for You to Regain Prime Carbide Tips.

Cordless

The cordless types are generally used for cutting various metals. They are generally circular in shape and often contain a metal blade tipped with carbide which rotates in a specific speed. They can cut the metals with intricate edges and shapes. These tools are capable of cutting rods made of mild steel, the duct works, EMT pipes and many more.New Carbide Blanks Fad in This Season .

You can also get the blades separately which if fitted in the machine can cut other metals like aluminum.The Profits and Troubles of Carbide Buttons. The blades for cutting the thin metals are quite thickly indented.Do You Make These 5 Common Beauty Mistakes with Carbide Blanks. DeWalt, Panasonic, Makita and Milwuakee are some of the companies which are renowned for making these products.3 New key words You Should Know.

Diamond

This is another popular tool that is circular in shape and can cut any rigid or coarse material. It contains a steel inner core. Electroplating, molding and blazing are the three methods of manufacturing a diamond blade.Leighton Meester’s Reason for Carbide Buttons. This particular tool is commonly used in the construction industry.

It works wonderfully to cut materials like stones, bricks, cement and concrete. The  materials  that are used in manufacturing a diamond blade differs according to the choice of material that is going to be cut by this particular machinery.Top 10 Essentials for Christmas Day.

Broach

This is another type of tool that is mostly used in removing the extra material after a product is already manufactured. They just remove the excess part to give a perfect finishing to the end product. There are four specific operations that the broach cutting tools can perform which is Push broaching, Surface broaching, Pot broaching and Pull broaching. But they are not good when you are using them on blind holes and flat surfaces.

These are the various types of cutting tools from which you can choose the one that will meet your requirements and perform well under the tough conditions.The Reasons Why Julianne Moore Have a Crush on Carbide Blanks. 

fruitful scientific and technological innovation for our cemented carbide products

Recently, the good news from six star company, a group of science and technology innovation project acceptance by the company, the company held workshops of relevant technical personnel to the scene of the recognition and reward handsomely, a total of 220000 yuan reward, 20 technology personnel won the prize.

Six star company leadership attaches great importance to the advance of technology and science and technology innovation work nearly two years and improve, to improve the core competitiveness of the company products. First from the group company has introduced the two backbone technology backbone, and in two years ago to develop their technology personnel within the company, for the first time within the company hired 22 technology experts to each production unit, now the company has gradually mature, a number of science and technology workers began to play a more and more powerful role. In 2011, the company general technology staff solidarity, struggle, a total of five firm-level r&d project, 12 units internal process quality improvement projects and 26 new products, new technology innovation project through the acceptance test, projects have achieved good results, especially the tank material applied research and the research of SDG forming agent, process quality improvement projects and achieved great breakthrough, greatly improved the level of the company's product quality and product competitiveness. Patent filing made a historic breakthrough at the same time, there are 1 patents authorized by the state intellectual property office, 5 patents is accepted, to fill the gaps in the company's patent.

It is understood that in 2013, six star company reaches out again, outstanding scientific and technological innovation, determines the corporate level 10 research and development projects, the target reward amount is doubled last year, up to 455000 yuan, plus the quality improvement projects and technical standard revision, accumulative total target reward amount of nearly 600000 yuan, in promotion in the company had not been for the first time.

Carbide Sleeves Tungsten Carbide Tube Carbide Bushings Tungsten Carbide Seal

Carbide Chisel Tungsten Carbide Tips Rock Auger Bullet Teeth Bullet Teeth for Augers -FROM SIX STAR BRAND.

PDC cutters with best quality carbide substrate.

Six Star Hardmetal is a leading tungsten carbide products manufacturer and supplier in China, we are not the only,but the right.

Carbide Brazed Tips Carbide Tip PDC Cutter Carbide Grippers Carbide Pads from six star hardmetal

Product Description

1. High hardness, abrasion resistance and impact resistance

2. High speed

3. Cutter layout is force balanced to drill a precise round hole and reduce bit whirl

4. Gauge pads have tungsten carbide inserts for maximum wear resistance

5. The diamond layer with thickness over 1 mm increases abrsion resistence of PDC cutter.

6. Sintered at high pressure and temperature

Usage: It can be used in making wire-drawing die, Geological bit, oil bit, PCD cutting tools, wood cutting tool, and polishing Jewels.

PCD is a diamond combo produced by synthetic diamond sintered with bond under high temperature and high pressure; It has very high wearability and high thermal stability. Its widely used in petroleum extraction, diamond machining, geology drill and mechanical processing tools.

PCD series have lower wearability than TSP series. It is the first choice for nature diamond cutting & polishing nowadays. We can provide different shapes and different sizes of PCD.

Item (D)(mm) (T) (mm) Thickness(t) (mm) Diamond Chamfer (mm)

1308 13.44± 0.03 8.00± 0.10 2.30± 0.20 0.30± 0.10

1313 13.44± 0.03 13.20± 0.10 2.30± 0.20 0.30± 0.10

1608 15.88/16.00± 0.03 8.00± 0.10 2.30± 0.20 0.30± 0.10

1613 15.88/16.00± 0.03 13.20± 0.10 2.30± 0.20 0.30± 0.10

1908 19.05± 0.05 8.00± 0.10 2.30± 0.20 0.30± 0.10

1913 19.05± 0.05 13.20± 0.10 2.30± 0.20 0.30± 0.10

1916 19.05± 0.05 16.31± 0.10 2.30± 0.20 0.30± 0.10

PDC(Polycrystalline diamond compact) is composed of polycrystalline diamond layer and tungsten carbide substrate.

The polycrystalline diamond layer possesses extremely high hardness and abrasion resistance whereas the tungstenCarbide substrate would greatly improve the malleability and weld ability of the whole composite.

PDC cutters

Best price of drill stabilizer inserts and carbide wear parts.

Six Star Hardmetal is a leading tungsten carbide products manufacturer and supplier in China, the Carbide Wearing Parts are our main advantage products which including carbide tiles,carbide gauge cutters and carbide nozzles,etc. we are not the only,but the right!

Six Star Hardmetal is a professional Tungsten Carbide manufacturer in China, we make a large selection of standard and make-to-order tungsten carbide block which are used for oil-field TC bearing, centralizer, stabilizer and mining PDC drill bits.

Tungsten Carbide Strips Recommended grade: YG8 YL1 YG15 YG11C

The ability of wear compacts and stabilizer inserts to withstand the damage forces of drilling operations is crucial.  we offers these products in a variety of wear-resistant grades designed to optimize performance!

carbide tiles

Other carbide wear parts - Tungsten Bar, Carbide Tiles and Tungsten Carbide Plate Tungsten Carbide Block are made according for your drawings.

Tungsten Carbide Strips, Tungsten Carbide Block, Tungsten Carbide Plate and Carbide Bar to withstand the damage forces ability is crucial. Looking for Carbide Wear Parts  such as Tungsten Bar, Carbide Strips, Carbide Nozzles, Six Star Hardmetal must be your right one. 

Selling points:

1. factory direct price

2. high hardness snd durability

3.superior quality

4. provide after-sale service

5.oem&odm

6 fast delivery