Carbide superior performance, thus is widely applied in industry. Good abrasion resistance and high hardness, making it suitable for making wear parts of high temperature resistant, friction, corrosion, mechanical parts and wire drawing die, etc. In recent years, in a variety of industrial applications, the best choice of the carbide replace steel.
Small to refill pen, big to stamping bed, drawing die, or steel industry in rolling mill, the wearing parts can use cemented carbide production. Most of the cemented carbide wear-resistant parts and drill tool is made from tungsten cobalt directly. Fine particles and ultrafine particles of cemented carbide wear-resistant parts, and cutting iron, non-ferrous metal, wood cutting tool is becoming more and more important.
The first kind of submicron cemented carbide is listed in the 1970 s, people realized that the smaller the particle size of tungsten carbide, tungsten carbide hardness and abrasion resistance is better. Since then, the microscopic structure of cemented carbide is becoming more and more delicate.
Hard alloy of different grades, carbide blank and wear-resistant parts of applications:
Looking for Carbide Wear Parts such as Tungsten Bar, Carbide Nozzles, Carbide Strips, Carbide Sleeves, Tungsten Carbide Tube, Carbide Bushings, Tungsten Carbide Seal, Six Star Hardmetal must be your right one.
Mechanical seal
On pump, compressor and blender, tungsten carbide seal ring is used as mechanical seal face. At the same time, the carbide in the refinery and petrochemical plant, fertilizer complete sets of equipment and has been widely used in pharmaceutical production industry.
particles
In order to meet the requirements of metal wire drawing industry, we manufacture tungsten carbide, tungsten carbide bar and wire drawing tube. High hardness and toughness to make this kind of product can withstand high temperature and high pressure. Using superior wear resistance of wear parts can produce the ideal product quality, surface treatment and size precision, at the same time can also extend the service life of the product.
Metal ring
Cemented carbide wear-resistant parts in spinning and weaving industry, especially the application of jute weaving industry reflects on the metal ring. This is to prevent the vibration of the jute yarn rotates at high speed and displacement, and to make the machine run smoothly.
2014年4月25日星期五
2014年4月22日星期二
Tool market expansion to accelerate the development of cemented carbide mould industry
The rapid development of technology makes the speed of a lot of industry upgrading more and more frequent, the cutting tool market also cannot avoid this situation, now the single function of simple cutting tool is gradually replaced by the multi-function of cutting tool. In development of the future, the user on the research and development of cutting tool has been put forward more requirements, no longer just limited to the cutting tool material and coating technology, but rather to cutting tool production technology have stricter requirements.
In terms of technical updates, carbide cutting tools gradually replace HSS cutting tools, especially the circular knives. Coated tools used more and more common in Europe, increasing the market share with new pattern cutting tool in high speed machining. Dynamic manufacturers. From the point of cutting tool manufacturers cooperation way, market will appear a lot of big companies in the field of high and new combination.
The current domestic market is a big demand for high-grade mold, according to the forecast, "twelfth five-year" period, smooth mold market overall trend upward, but it requires the domestic mold must be in terms of quality, delivery time, meet the needs of users. Moreover, household appliances, plastic products, automobile industry demand for mold is the largest. International markets, in recent years, the artificial cost increase of industrial developed countries, its shift towards developing countries, especially in southeast Asia countries. The home is given priority to with high production, precision mould, mold rely on imports to solve of artificial labor inputs.
Therefore, the medium mould international market potential is very huge. As long as the quality of the homebred mould can be improved, and the date of delivery guarantee, mold export prospects are very optimistic. In addition, the demand of international market standard. At present, only a small amount of export in our country.
In the new wave of world economic integration, global manufacturing to accelerate the shift towards the Chinese mainland has been the trend of The Times, China will gradually develop into a world-class manufacturing base. Obvious advantages especially the pearl river delta region in guangdong, mold production center in the world within ten years development.
Although China is mold production country, but a lot of mold is still dependent on imports, with large, precision, complex, long-life mold majority, in recent years, total imports has amounted to $1 billion. From the Angle of the import less, hardware tool market should continue to increase the proportion of high-grade mold, expanding domestic demand.
2014年4月20日星期日
Coal cutter tooth using should all know.
Carbide Chisel Tungsten Carbide Tips Coal cutter tooth using should all know, it is one of the biggest problems is too vulnerable to damage, wear more serious, so, our manufacturer is the most attention should be to fix the problem of the coal, not only should take preventive measures, but also to encounter problems after the repair work. Coal cutter tooth is the wearing parts used in the process of coal mining, the tooth body wear is one of the main failure forms, to welding repair of wear and tear of the tooth, can improve the service life of the cutter tooth, create objective economic benefits. Prolong the service life of equipment, it will bring us more economic benefits!
Coal winning machine(Carbide Buttons Manufacturers Tungsten Carbide Button Rock Auger Teeth )working environment is very bad, mixed with a large number of impurities such as coal gangue in coal seam, the cutting tooth in high impact and high wear and high stress conditions, the shoulders are big bending moment and shear force, so the coal cutter tooth the tooth body should have a certain hardness, abrasion resistance and toughness. Once we pick by the wear, we should take corresponding measures.
Welding repair of surfacing process was conducted in the abrasion of the tooth body surface after machining, and then to heat treatment to obtain the finished product. 42 crmo steel is a commonly used material, coal cutter tooth the tooth body belongs to the carbon in the conditioning heat resistant steel. Welding process:
1, cleaning before welding, clean coal cutter tooth welding surface impurities such as oil, rust, oil by oxyacetylene flame cleaning, rust with Angle grinder grinding, the surface of fatigue crack with Angle grinder, completely exposed metallic luster.
2, preheating before welding, using oxyacetylene flame swing uniform heating, using infrared thermometer temperature 250 ~ 250 ℃, and keep the interpass temperature about 300 ℃. 850 ℃ quenching heat treatment after welding, use and then go to 500 ~ 600 ℃ tempering treatment, in achieving a certain hardness at the same time to obtain has good wear resistance of bainitic tempered martensite + tempering complex organization. Heat treatment after welding is the main channel of steel to obtain comprehensive performance, material under the condition of its kind, with higher hardness, wear resistance improved significantly.
Coal winning machine(Carbide Buttons Manufacturers Tungsten Carbide Button Rock Auger Teeth )working environment is very bad, mixed with a large number of impurities such as coal gangue in coal seam, the cutting tooth in high impact and high wear and high stress conditions, the shoulders are big bending moment and shear force, so the coal cutter tooth the tooth body should have a certain hardness, abrasion resistance and toughness. Once we pick by the wear, we should take corresponding measures.
Welding repair of surfacing process was conducted in the abrasion of the tooth body surface after machining, and then to heat treatment to obtain the finished product. 42 crmo steel is a commonly used material, coal cutter tooth the tooth body belongs to the carbon in the conditioning heat resistant steel. Welding process:
1, cleaning before welding, clean coal cutter tooth welding surface impurities such as oil, rust, oil by oxyacetylene flame cleaning, rust with Angle grinder grinding, the surface of fatigue crack with Angle grinder, completely exposed metallic luster.
2, preheating before welding, using oxyacetylene flame swing uniform heating, using infrared thermometer temperature 250 ~ 250 ℃, and keep the interpass temperature about 300 ℃. 850 ℃ quenching heat treatment after welding, use and then go to 500 ~ 600 ℃ tempering treatment, in achieving a certain hardness at the same time to obtain has good wear resistance of bainitic tempered martensite + tempering complex organization. Heat treatment after welding is the main channel of steel to obtain comprehensive performance, material under the condition of its kind, with higher hardness, wear resistance improved significantly.
2014年4月15日星期二
Coal winning machine cutting tooth's body wear-resisting performance study
Coal winning machine cutting tooth the Carbide Buttons Carbide Tips tooth body wear-resisting performance study
Pick because of its bad working environment, each with 10000 tons of coal mining pick 400 ~ 1300, China's current annual output of about 1.2 billion tons of coal, so as the coal mining machine parts, the demand is very big. The tooth body parts of the cutter tooth system abrasion failure accounted for its overall 45 ~ 50%. Because of its large consumption, so if can improve wear resistance of cutting tooth, will generate huge economic benefits.
Aiming at the failure problem of coal winning machine cutting tooth wear, use a variety of chemical heat treatment to strengthen treatment of 40 crnimo tooth material, carbonitriding layer analysis (XRD), scanning electron microscopy, and wear resistance test, and strengthen the specimen, ultimately determine the best treatment, and discusses the tooth body wear mechanisms.
(1) the permeability resulting from the gas carburizing layer thickness is about 1.3 mm, carbide dispersion distribution, dispersion strengthening effect on substrates.
(2) in boronizing agent formula is 52% old boronizing agent + 35% KBF FeB + 5% + 5% rare earth oxides (CeO), boronizing process for 930 ℃ x 8 h, mainly for Fe2B boronizing layer, the final boronizing layer thickness is about 123 microns, the average microhardness is about HV1518.6.
(3) in seepage niobium agent formula is 50% niobium iron + 32% NH_4Cl AL_2O_3 + 10% + 10% rare earth lanthanum oxide (La_2O_3), seepage niobium process for 990 ℃ x 7 h, niobium layer phase mainly for NbC, the thickness of the final niobium layer is about 10 microns, the average microhardness is about HV2770.
(4) under simulated conditions of cutting tooth wear, wear-resisting performance from big to small in turn for carbon and niobium composite permeability, carbon - boron compound permeability, carburizing, chemical heat treatment improved sample. Pick sample of abrasive wear is the main failure forms, the ways we wear for cutting and furrows.
Pick because of its bad working environment, each with 10000 tons of coal mining pick 400 ~ 1300, China's current annual output of about 1.2 billion tons of coal, so as the coal mining machine parts, the demand is very big. The tooth body parts of the cutter tooth system abrasion failure accounted for its overall 45 ~ 50%. Because of its large consumption, so if can improve wear resistance of cutting tooth, will generate huge economic benefits.
Aiming at the failure problem of coal winning machine cutting tooth wear, use a variety of chemical heat treatment to strengthen treatment of 40 crnimo tooth material, carbonitriding layer analysis (XRD), scanning electron microscopy, and wear resistance test, and strengthen the specimen, ultimately determine the best treatment, and discusses the tooth body wear mechanisms.
(1) the permeability resulting from the gas carburizing layer thickness is about 1.3 mm, carbide dispersion distribution, dispersion strengthening effect on substrates.
(2) in boronizing agent formula is 52% old boronizing agent + 35% KBF FeB + 5% + 5% rare earth oxides (CeO), boronizing process for 930 ℃ x 8 h, mainly for Fe2B boronizing layer, the final boronizing layer thickness is about 123 microns, the average microhardness is about HV1518.6.
(3) in seepage niobium agent formula is 50% niobium iron + 32% NH_4Cl AL_2O_3 + 10% + 10% rare earth lanthanum oxide (La_2O_3), seepage niobium process for 990 ℃ x 7 h, niobium layer phase mainly for NbC, the thickness of the final niobium layer is about 10 microns, the average microhardness is about HV2770.
(4) under simulated conditions of cutting tooth wear, wear-resisting performance from big to small in turn for carbon and niobium composite permeability, carbon - boron compound permeability, carburizing, chemical heat treatment improved sample. Pick sample of abrasive wear is the main failure forms, the ways we wear for cutting and furrows.
Tungsten Carbide Buttons Carbide Teeth Auger Teeth Carbide Tips Suppliers Carbide Chisel Tungsten Carbide Tips -from six star hardmetal.
2014年4月5日星期六
Best Price Carbide Products Applications
In 1923, Germany le shi into tungsten carbide powder, adding 10% ~ 20% of the cobalt adhesive, invented new tungsten carbide and cobalt alloy, hardness is second only to diamond, it is hard alloy artificial made the first one in the world. Made of this alloy tool cutting steel, the blade will soon wear, even the edge split. In 1929 the United States of schwarzkopf in original ingredients added to a certain amount of tungsten carbide and titanium carbide compound carbides, to improve the performance of the cutting tool steel. This is another achievement in the history of the development of cemented carbide.
Tungsten Carbide Plate Tungsten Carbide Block Tungsten Carbide Nozzle Tungsten Carbide Wear Parts from Six Star Hardmetal
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 can also be used to make the drilling tools and mining tools, drilling tools, measuring gage, wear-resistant parts, metal abrasive, cylinder liner, precision bearings, nozzle, hardware mold (such as wire drawing die, bolt moulds, nut moulds, as well as a variety of fasteners, mold, excellent performance of cemented carbide gradually replaced the previous steel mold).
Over the past twenty years, coated cemented carbide also appeared. Sweden in 1969 the successful development of titanium carbide coating tool, cutting tool matrix is cobalt tungsten titanium carbide or cobalt tungsten carbide, titanium carbide coating on the surface of the thickness of just a few microns, but compared with the same brand of alloy cutting tools, 3 times longer service life, cutting speed increased by 25% ~ 50%. Have appeared in the 1970 s the fourth generation of coating tools, can be used for cutting hard material to processing.
2014年4月2日星期三
Very best cost carbide coal teeth for auger picks.
Cutting coal and rock mining machinery knives, such as "flat cutter tooth (flat pick)", "conical cutter tooth (conical pick)" "Radial cutting teeth (radial pick)", "reduce to reduce teeth (tangential pick)", and so on.
The put on mechanism of the literature or nature as mechanical put on with thermal fatigue put on and abrasive put on. It is not difficult to see, is fairly harsh choose the overall performance specifications of surfacing welding layer, the initial itself to put on, that is to say, in the procedure of coal mining, cutting teeth welding layer in between the coal seam and continuing friction movement occurs, choose the surfacing layer should withstand seam lengthy put on. In this case, the surfacing layer hardness, put on resistance, the greater the much better Second, cutting teeth should be regarded as in the procedure of cutting coal and rock inevitable influence loading, if the hardness of surfacing layer is as well higher, metal toughness is poorer, surfacing welding layer metal are prone to cracking or fracture. Consequently, the greater the hardness of surfacing layer is not necessarily much better, but ought to be complete consideration, make its have great anti-put on overall performance. Anti-put on overall performance, refers to the higher put on-resisting overall performance premise circumstances, suitable to decrease the hardness and put on resistance, with its moderate put on resistance enhanced complete harm resistance hardfacing layer. The very best complete harm resistance and hardness of surfacing welding layer, there is a matching partnership in between the partnership of quantitative figure out, welding layer for cutting teeth welding material properties of the significant improvements have a good function.
Choose the use of surfacing welding layer overall performance influence aspect is much more, on the entire there are 3 primary elements: 1 is the influence of load force.
In the procedure of coal mining, which improve the impact of get in touch with force in between coal and rock in the surfacing layer and elements, such as growing the shearer traction speed, cutting resistance of improve, cutter tooth put on phenomenon will improve
Second, the influence of geometric parameters and arrangement of. Affordable cutting gear geometry parameters and a great match with the coal rock physical properties of cutter tooth arrangement, can decrease the cutting tooth cutting resistance and axial force, so as to slow the abrasion of cutting teeth
three it is surfacing layer and the influence of coal rock material properties. Coal difficult of quantity and soft and the extremely of waste rock, apparent put on effects on cutting tooth much less. Coal little soft, little waste rock of coal rock, cutter tooth cutting resistance is put on, shearer traction resistance is price, the smaller sized put on of price On the other hand, the bigger overall performance of elements.
In the surfacing layer initial influence elements above, the elements and the second is that external trigger, the third point is the internal function, external each by internal ultimately. That is to say, aspect the influence of load force and the influence of geometric parameters and arrangement of, Right here to reflect to the surfacing layer and the influence of material properties on coal. Material properties is the core had been. chosen, the coal and rock material properties traits current in advance (i.e., by coal rock alter is the pick objective), can choose the material properties is alter surfacing layer. And evaluation the type of the surfacing layer properties, in the final total depends on the material composition, microstructure and properties of surfacing, and strict implementation of technologies a important set of welding components.
In the utilizing position of cemented carbide business, sorts six star carbide various production of two extremely of great shape of alloy tooth, has the influence put on significantly resistance and enhancing resistance, item price the service life of the consumer.
Tungsten Carbide Buttons Carbide Teeth Auger Teeth Carbide Tips Suppliers
The put on mechanism of the literature or nature as mechanical put on with thermal fatigue put on and abrasive put on. It is not difficult to see, is fairly harsh choose the overall performance specifications of surfacing welding layer, the initial itself to put on, that is to say, in the procedure of coal mining, cutting teeth welding layer in between the coal seam and continuing friction movement occurs, choose the surfacing layer should withstand seam lengthy put on. In this case, the surfacing layer hardness, put on resistance, the greater the much better Second, cutting teeth should be regarded as in the procedure of cutting coal and rock inevitable influence loading, if the hardness of surfacing layer is as well higher, metal toughness is poorer, surfacing welding layer metal are prone to cracking or fracture. Consequently, the greater the hardness of surfacing layer is not necessarily much better, but ought to be complete consideration, make its have great anti-put on overall performance. Anti-put on overall performance, refers to the higher put on-resisting overall performance premise circumstances, suitable to decrease the hardness and put on resistance, with its moderate put on resistance enhanced complete harm resistance hardfacing layer. The very best complete harm resistance and hardness of surfacing welding layer, there is a matching partnership in between the partnership of quantitative figure out, welding layer for cutting teeth welding material properties of the significant improvements have a good function.
Choose the use of surfacing welding layer overall performance influence aspect is much more, on the entire there are 3 primary elements: 1 is the influence of load force.
In the procedure of coal mining, which improve the impact of get in touch with force in between coal and rock in the surfacing layer and elements, such as growing the shearer traction speed, cutting resistance of improve, cutter tooth put on phenomenon will improve
Second, the influence of geometric parameters and arrangement of. Affordable cutting gear geometry parameters and a great match with the coal rock physical properties of cutter tooth arrangement, can decrease the cutting tooth cutting resistance and axial force, so as to slow the abrasion of cutting teeth
three it is surfacing layer and the influence of coal rock material properties. Coal difficult of quantity and soft and the extremely of waste rock, apparent put on effects on cutting tooth much less. Coal little soft, little waste rock of coal rock, cutter tooth cutting resistance is put on, shearer traction resistance is price, the smaller sized put on of price On the other hand, the bigger overall performance of elements.
In the surfacing layer initial influence elements above, the elements and the second is that external trigger, the third point is the internal function, external each by internal ultimately. That is to say, aspect the influence of load force and the influence of geometric parameters and arrangement of, Right here to reflect to the surfacing layer and the influence of material properties on coal. Material properties is the core had been. chosen, the coal and rock material properties traits current in advance (i.e., by coal rock alter is the pick objective), can choose the material properties is alter surfacing layer. And evaluation the type of the surfacing layer properties, in the final total depends on the material composition, microstructure and properties of surfacing, and strict implementation of technologies a important set of welding components.
In the utilizing position of cemented carbide business, sorts six star carbide various production of two extremely of great shape of alloy tooth, has the influence put on significantly resistance and enhancing resistance, item price the service life of the consumer.
Tungsten Carbide Buttons Carbide Teeth Auger Teeth Carbide Tips Suppliers
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