Produce plant diamond tool, made of superhard materials
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- Guangzhou JR Diamond Tools Co., Ltd.
- Diamond tool
- Large Diamonds Made From Gas Are The Hardest Yet
- Global and China Superhard Material and Product Industry Report, 2012-2015
- Scientists Discover Material Harder Than Diamond
- Poltava Diamond Plant, Public Joint-Stock Company
- TKD CO., LTD
- Copper-based binder for production of diamond tool
- Cutting Blade Made in China, Diamond Cutting Tool ,Hard Rock Disc
Guangzhou JR Diamond Tools Co., Ltd.
All those tools had brazed carbide plates which at that time were widely introduced in the national manufacturing. By , the total production of carbide tools had increased 22 times that of The next step was to improve carbide tools with a new design of assembled tools which had replaceable throw-away blades.
The breakthrough inventions of Akimov A. After successful research and development activities, the institute had a whole range of replaceable throw-away blades of different designs as well as a range of assembled cutters, boring tools, face-milling cutters and borers, all equipped with replaceable throw-away blades. These blades ensured stable performance of the tools during cutting of most of the common engineering materials that were used in machine-building industry.
These inventions brought about a radical change in tool design and its use in the metal cutting. During the aforementioned period the Laboratory for Hard Alloys made a large contribution to the development and introduction of assembled tools with carbide replaceable throw-away blades.
From to the Institute was engaged in designing and testing assembled tools of the third generation — completely new tools which conformed fully to international standards. The main characteristic of these tools was the possibility to use carbide replaceable throw-away blades including blades with one or multi-layer ceramic coating of both national and foreign origin for tools with standard fixation units.
In addition to the above, the following kinds of tools and tool sets were designed: turning tools, boring tools, flute-grinding tools, thread-cutting tools, tools for cutting oil pipes and joints etc. The specialists of the Institute and the engineers from the tool manufacturing industry worked together to carry out tests on these tools, the results of which were fruitful. The market thereafter grew less dependent on import of tools and the national tooling industry started growing rapidly - it provided tools for both national and international markets.
As industrial enterprises were taking recourse to increased automation to enhance performance of station-type machines they required brand new kind of tools. This lead to the design of cutting and auxiliary tools with built-in actuators to control performance of the tool in the course of deterioration, special devices to adjust the tools to the given dimensions, devices to take the cutting waste away to ensure non-stop automated cutting operations, etc.
Many engineers working at the Institute were awarded the State Award of the USSR for their achievements: they developed principles for integrated automation of machine-building process and designed and started an automated piston production plant.
The engineers of the Institute also designed cutting tools and accessories for the automated production of roller-bearings at The First State Bearing Plant GPZ-1 automated motor shaft and gear wheel product lines etc.
The engineers worked for the plants that manufactured cutting and auxiliary tools for VAZ, developed an integrated technology for manufacturing various tools with the use of home equipment, designed technologies and tool materials for the high-quality efficient tools of the automated lines of VAZ. The Institute designed a tooling system for big, heavy-duty and specific machines, which produced heavy items over 20 tons and made cutting threads mm deep.
This was a solution to a very important problem for the National Economy — enhancing the quality of processing of large-sized items like huge iron parts, parts for marine engines, parts of heavy-duty equipment etc.
The systems included cutting and auxiliary tools, separate auxiliary tool systems, a range of assembled cutters, face- and end-milling cutters, borers, multiflute drills, counterboring tools etc. All tools were equipped with new kinds of replaceable throw-away carbide blades where a few of these had central tapered holes and multi-layered wear-resistant coating. After these kinds of tools appeared in the industry, the realm of application of assembled tools increased considerably and thereby gave a major fillip to the quality of cutting operations in machine building industry.
Together they developed various complexes of high-quality cutting and auxiliary tools to be used at NC machine-tools of over standard sizes, at flexible automated lines based on such machine-tools and in processing centres. It was during this time that the first national modular tooling systems for the NC machine-tools were developed.
Such systems allowed significant optimization of the tool stock of many industries. The technology of using presses to manufacture new carbide plates as well as its control systems were also designed during the same period. The national professional equipment and watch industries were growing fast during the s and 70s, so the Institute developed new kinds of small high-precision cutting tools and a new technology of their production borers, counterbores, thread cutters, milling cutters etc.
A range of tools with parts made of these materials was designed too: turning and counterboring tools, boring heads, face-milling cutters, thread cutters and other tools.
The technology to re-sharpen tools made of such materials was also developed. Subsequently, a few plants started serial production of these tools. Together with various production plants and scientific institutions it designed ejection drills, single-ended carbide borers and counterbores. It was developed by professor Tsvis Yu. His team elaborated the theory and methods of constructional design of the cutting tools and sharpening machine-tools.
In there was established a special department for wood-cutting tool-machines in the Institute. At the same time the woodwork and timber industry started the wide use of new wooden materials and plastics, which rapidly blunted the cutting edges. Therefore, the main objective of this department was to create wear-resistant carbide tools.
The staff of the Institute worked very closely with the enterprises of the tooling industry all over the country. Together they rapidly increased production of wood-cutting tools doubled each years up to and enhanced the quality of the tools. The production volume of tools with carbide parts reached that of other developed foreign countries. Serial production was initiated for new log-cutting tools for chipper-edgers and chipper-canters, modern end-cutting tools, various tools for the furniture industry, efficient carbide tooling systems for block and plated parquet manufacturing.
During the recent years the specialists in wood-processing have appreciably contributed towards replacement of the imported tools used in furniture and construction industry by local ones. These tools included tools for window works, form milling cutters for furniture industry, disc saws for cutting hollow plastic forms and pipes, tools for cutting flame-proof heat insulation, cutters for plastic window works. Concurrently they carried out research on manufacture of saws with soldered-on two-layer blades made of CBN.
These days the Institute is also engaged in designing and manufacturing pilot tools and assists in setting up production lines for wood-cutting tools at different plants in Tomsk, Belgorod, Sverdlovsk, Serpukhov, Perm, Volgograd, Saint-Petersburg, Yoshkar-Ola etc.
It also carries out safety tests for certification of tools. The Institute has received wide acknowledgment for developing, testing and setting up production of high-speed steels of tungsten-molibdenum group. Considerable research work was done to test the environment for use of martensite non-ageing alloys as a tool material. These alloys are characterized by inter-metallic toughness with enhanced hardness of Rockwell 66cc.
These alloys are used for cutting hard materials in aircraft industry. The Institute has also achieved positive results in optimizing the technology for thermal treatment of high-speed steel.
This assumes significance since tool manufacturers and machine-building plants have technological norms and standards to be adhered to for thermal treatment of various tools made of different grade steels. New technologies were elaborated for bath de-oxidation as well as methods for improved heating of blank parts during thermal treatment. Together with Central Research Institute for Ferrous Metallurgy, the Institute has conducted extensive research in plastic properties of high-speed steel and discovered the effect of sub-critical temperature on super-plasticity.
This effect was thereafter widely used by tool manufacturers during plastic forming of borers, thread-cutters and end-milling cutters. One of the areas for research work is metal-cutting with new tool materials and kinds of tools.
The tests were carried out on hard tungsten and tungsten free alloys, cutting ceramics, high-speed steels of various content and lubri-coolants of different manufacturers. The results of such work laid the basis for recommendations for new material applications and for proposals for standards of cutting.
Just after the Institute was founded, it started providing scientific and technological assistance to tool manufacturers, analyzed their performance and advised them on their specialization.
The largest projects were made for newly built and growing plants. Tooling plants managed to start manufacture of carbide tools with soldered-on parts in a very short time due to the soldering technology, developed by the Institute, which used induction heating with RF current. In the fifties and sixties the Institute elaborated new solder alloy, which unlike the foreign had no silver in content and ensured high quality soldering and durable fixation.
Apart from that a technology was elaborated to reduce internal stress developed in hard alloys during soldering. The Institute has developed over 40 kinds of solder powder for tools with parts of high-speed steel, hard alloys and super-hard materials based on CBN and diamond. The technology of manufacturing soldered assembled tools proved to be very efficient. This technology is based on the use of the new solder powder and is applied in tooling and other similar industries.
The aforementioned technologies and methods are widely used by manufacturers nationwide. From the fifties to the seventies the Institute focused on optimizing technology for the production of rasps. The specialists developed a new method of induction heating of blank parts for rasps which replaced the old method of furnace heating.
They also designed a range of semi-automated machines to harden rasps of all basic types and sizes and a method of manufacturing rasps with durable teeth surfaces. A lot of work was carried out to find ways of material mainly high-speed steel saving during the manufacture of tools. The Institute developed several designs of welding tools, various methods of butt welding of parts with preliminary heating which reduced the area used for welding by a factor of 3 to 4 , friction welding technology etc.
The Institute was the first in Russia to have developed technologies for mechanical operations on NC machine tools which is used to manufacture assembled tools, borers, face and end-milling cutters.
These findings are taken as basic fundamental concepts in many of the plants in this country. A lot was done to develop equipment and elaborate the technology for producing carbide precision and high-speed cutting tools by fluting the solid blank parts. As a result, we have special fluting units and technologies for manufacturing such tools that are widely applied at tool production. This work was done by the department of new technologies for tool production. The Institute has been working continuously to improve the performance characteristics of cutting tools.
In this field it worked in close cooperation with research institutes of the Academy of Sciences of Ukraine, national Universities, machine-building plants and tool manufacturers. The technologies were elaborated to apply the coating by condensation with ionic bombardment C.
IB in vacuum of single, multi-layer or complex coatings composed of nitrides of the 4th and 6th column of the periodic table. These technologies ensure enhancement of quality and performance characteristics of the tools produced locally. The licenses for use of these technologies have been sold to a few manufacturers abroad too. From to the Institute was engaged in preparation of licence agreements for technical re-equipping of tool producing plants.
On its completion, the Minsk Tool Producing Plant started manufacturing bimetallic band saw blades and Belgorod Plant of Milling Cutters began producing large-size cutters. The Institute was the first in our country to research, develop and put into practice the technology of vacuum heat treatment of high-speed and chisel steel tools in vacuum electric furnaces. This technology ensures reduction of the tool deformation, stable quality of heat treatment, defect-free surface of the tool and ecologically harmless production.
It is also very effective when applied in combination with technologies of wear-resistant coatings. The Institute has distinguished itself in the field of quality control for cutting tools. During the recent years the research and development activity at the Institute has been focussing on multi-purpose tools for high-speed metal cutting where super-hard materials with ultramicrodisperse coatings and modern auxiliary tools are used.
To ensure high speed of metal cutting, a whole range of carbide precision tools, as well as tools with parts made of super-hard materials based on CNB were designed.
These tools assure best quality cutting at high speed exceeding the standard speed by a factor of 5 to During high-speed cutting operations the most important factor is that of reducing the weight of the tool and consequently reducing its imbalance.
Therefore the Institute designed face-milling cutters made of lightweight alloys with special coatings to prevent deformation the cutting blade being made of super-hard materials. As a consequence, the weight of the tools is halved and the imbalance brought down by a factor of 2 to 4.
Therefore these tools can demonstrate high performance when used in high-speed NC machine-tools. Under the government contract a new machine was designed to apply ultramicrodisperse coatings using vacuum-plasma technology. The machine is equipped with a new kind of switched mode power supply which allows the application of high-quality wear-resistant coatings of numerous types and compositions on tools of various sizes in different thermal environments.
Use of this machine generates new opportunities in the field of enhancement of the durability of tools and widens the scope of application of these tools.
Because of their very desirable strength-to-weight characteristics, carbon fiber-reinforced polymer CFRP composites have long been a favorite of aerospace designers. The use of these composites has been more widespread in Europe than in the United States; however, industry insiders predict CFRP composites will undoubtedly be used in an ever increasing array of applications in this country, particularly in the transportation industries. Carbon fiber-reinforced polymer composites cover a wide range of layered and matrix materials using woven carbon fiber, resins, plastics, and can also include thin layers of metals.
The ligament on the base of copper for the manufacture of diamond tools. The invention relates to powder metallurgy, a process for the production of composite materials. The invention can be used as the ligaments at the base of copper in the manufacture of diamond tools for construction and stone processing, including cutting segmented circles AOSC various designs used in the reconstruction of roads, runways of airdromes, renovation metallurgical plants, nuclear power plants, bridges and other structures; drills, ask for cutting high-strength grades of concrete. The bundle has an impact on the design tool.
Large Diamonds Made From Gas Are The Hardest Yet
Washington, D. Further, the researchers grew these diamonds directly from a gas mixture at a rate that is up to times faster than other methods used to date. The researches grew the crystals using a special high-growth rate chemical vapor deposition CVD process that they developed. They then subjected the crystals to high-pressure, high-temperature treatment to further harden the material. In the CVD process, hydrogen gas and methane are bombarded with charged particles, or plasma, in a chamber. The plasma prompts a complex chemical reaction that results in a "carbon rain" that falls on a seed crystal in the chamber. Once on the seed, the carbon atoms arrange themselves in the same crystalline structure as the seed. In this case, the seed was a type 1b synthetic diamond plate. They have grown single crystals of diamonds up to 10 millimeters across and up to 4.
Global and China Superhard Material and Product Industry Report, 2012-2015
February 12, But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride w-BN has a greater indentation strength than diamond. The study is published in a recent issue of Physical Review Letters. Join PhysOrg. Normal compressive pressures under indenters cause the materials to undergo a structural phase transformation into stronger structures, conserving volume by flipping their atomic bonds.
Polycrystalline diamond die blanks for drawing alloy wire with high hardness and precision. Nowadays, many industries have higher requirements for higher hardness and precision wires, for example, wires used for cutting polycrystalline silicon chip in solar industry and steel cord used in high grade tires. So, there are some big potential needs for diamond die blanks at markets. Tools made with PCD are used in many fields, such as hard processing by lathing instead of grinding, high speed cutting, high stability processing, high speed and stability, low roughness processing, dry cutting, and clean processing, etc.
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A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method. As diamond is a superhard material , diamond tools have many advantages as compared with tools made with common abrasives such as corundum and silicon carbide. In Natural History , Pliny wrote "When an adamas is successfully broken it disintegrates into splinters so small as to be scarcely visible. These are much sought after by engravers of gems and are inserted by them into iron tools because they make hollows in the hardest materials without difficulty. Diamond is one of the hardest natural materials on earth; much harder than corundum and silicon carbide. Diamond also has high strength, good wear resistance, and a low friction coefficient.
Scientists Discover Material Harder Than Diamond
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Poltava Diamond Plant, Public Joint-Stock Company
The superhard material industry chain mainly involves monocrystalline superhard materials, composite superhard materials, and superhard material tools. China is the world's largest producer of monocrystalline superhard materials for the moment, but it still lags behind advanced foreign companies in the downstream composite superhard materials. In recent years, Chinese companies such as SF Diamond and Henan Huanghe Whirlwind have increased their investment in research to by degrees intensify technology. In the field of monocrystalline superhard materials, China produced
TKD CO., LTD
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Product Description. Diamond wire saw inner packing use the waterproof paper bag ,outer packing are choose according to the transport way. For example, transport by express we usually use the carton to reduce the weight for you ,and the transport by the sea ,we may will use the wooden sealed box. Transportation ways as fellow:.
Copper-based binder for production of diamond tool
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Cutting Blade Made in China, Diamond Cutting Tool ,Hard Rock Disc
With the advancement of science and technology and the development of machining, more and more new materials are applied to the machinery industry. Modern cutting tool materials, run the gamut from natural diamond materials,carbide to man-made monocrystalline diamond MCD , polycrystalline diamond PCD , chemical vapor deposition diamond CVD , cubic boron nitride CBN , and ceramics. To overcome the specific challenges posed by advanced cutting tool materials, TKD Co Ltd have gathered domestic laser technology experts and super-hard material production plants, and combined with the characteristics of tool materials, we have developed an efficient super-hard material laser cutting system. After continuous cutting practice and technical improvement, this laser cutting technology has reached the international advanced level and has been widely used.