Tungsten Carbide Hollow Rod

Tungsten carbide hollow rod is a kind of tungsten carbide rod with a large through-hole in the axial center, also known as tungsten carbide tube. Tungsten carbide hollow rod has various kinds of specifications, which include diameter 8 ~ 25mm and length 120 ~ 250mm. Tungsten carbide hollow rod of different specifications can be produced according to different purposes. Hollow tungsten carbide rod has rapid heat conduction speed, good abrasion resistance, high elasticity and low coefficient of thermal expansion, and thus mainly used as protective sleeve of thermocouple and thermal resistance, accessories of temperature measurement equipment, and so on.

Features of tungsten carbide hollow rod：

1. Using low press sintering technology, hard alloy bars have good densification, high hardness and high strength.

2. It is suitable for machining of steel, cast iron, stainless steel, heat-resistant steel, Nickel & Titanium and so on.

3. After accurate grinding, it can reach a mirror effect surface. 


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Non-magnetic Tungsten Carbide Rod

Non-magnetic tungsten carbide rod is rod with little magnetic or without magnetic at all. Nickel is the necessary binder which is used to produce non-magnetic tungsten carbide rod. Non-magnetic tungsten carbide rod is mainly applied in magnetic field stamping die and magnetic tape. Due to its high corrosion resistance, it is also applied as equipment in chemical industry and food industry.

Another important application of non-magnetic tungsten carbide rod is the balance part of fishing bait which is called non-magnetic tungsten carbide rod bait balanced part. It is small in size, high density so it can make the bait sink into ocean easier. It also has super high precision, smooth inner hole which can move fluently on the balance line and make the bait flexible. Due to its high corrosion resistance, also acid and alkali resistance, it will not get rusty although being sink in the ocean all the time. 


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Solid carbide end mills status include the following two aspects:
First of all, solid carbide end mills status reflected in that solid carbide end mills can be divided into two types of general-purpose and high-end model. In general, the technical difficulty of universal solid carbide end mills are relatively small, product quality gap with foreign countries is not great. In fact, the vast majority of Chinese carbide cutting tools enterprises, including private enterprises knife, tool factory owned enterprises in the mainland and Taiwan are cutting production of solid carbide end mills based industry. Domestic solid carbide end mills at a lower price occupation of China's most low-end market, the competition is fierce.

Secondly, solid carbide end mills status reflected in that in some difficult processing, high-speed milling and other high-end manufacturing areas, there is still a gap between China's solid carbide end mills quality and world brands cutting tools, such as : high hardness materials processing mills, high-speed cutter, titanium milling, graphite milling, aerospace composite materials milling, precision milling cutters. These solid carbide end mills higher added value, and the major market share occupied by foreign manufacturers.


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Needle-type tungsten carbide drill refers to sintered tungsten carbide drill bit welded onto a blank drill, which consists of needle-like alloy, a carcass and a drill bit body composed of three parts. Needle-type tungsten carbide drill features are significant as compared with conventional carbide drill bit, it has the following features:

Firstly, needle-type tungsten carbide drill features reflected in multiple blades. When drilling, rock has freer surface conducive tungsten carbide drill to drill rock.

Secondly, needle-type tungsten carbide drill features reflected in long service life. Compared with conventional carbide drill bits, needle-type tungsten carbide drill last longer. The reason is that needle-type tungsten carbide drill lip areas remain unchanged until the needle alloy mill last. Needle-type tungsten carbide drill blunt problem does not exist, therefore the penetration rate stability, long bit life.

Finally, needle-type tungsten carbide drill features reflected in the package insert needle alloy firm, so the alloy is not easy caving.


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Tungsten carbide cutting tools nanocomposite reinforced refers to that join nanoparticles in fine grain carbide matrix, reinforced tungsten carbide cutting tools nanocomposite reinforced can improve the material properties of tungsten carbide cutting tools.

Mechanisms of tungsten carbide cutting tools nanocomposite reinforced are as follows: nanoparticles dispersed in a matrix material of tungsten carbide cutting tools having dispersed toughening effect. When the addition of nanoparticles in a matrix material particles in the matrix material by stretching the tissue transverse cross-section contraction effect, but to achieve the same substrate transverse shrinkage, you have to increase the longitudinal tensile stress, so you can make more material consumption more energy, play a toughening effect.

In addition, the dispersed cemented carbide substrate material carbide nanoparticles can inhibit grain growth during the sintering process, integrated to improve the mechanical properties of tungsten carbide cutting tools.


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A tungsten carbide drawknife is often used in wood shavings removing for flat faceted work. Since it lacks of cutting superior and shaving precision, which could just shape roughly rounded or cylindrical billets. But it is still qualified for the prework of wood for the further lathe processes. Specially it is also an important hand tool for cricket bats’ curve making

The tungsten carbide drawknife is ideally suited to work with shaving horse, which could let the users be seated and safely grip the working pieces with the additional power from their legs. It aimed to finely take away the wood fibers while the users gently levers the blade to "bite" into the wood and then controls the depth of the cut by raising or lowering the handles as he pulls the drawknife.


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A tungsten carbide router bit is the business end of a router or spindle. Its purpose in life is to remove material. It could use the total amount of carbide to make the bit, but it also can be more cost efficient by welding the chunks of carbide to a steel body. As there are variety styles of routers in the application of cutting, trimming and wood shaping processes, the tungsten carbide router bits is also comprises hundreds of varieties patens to match these versatile tools. Generally the bits could be cataloged into edge bits, non-edge bits and anti-back ones.


Edge bit owns a small wheel bearing to function as a fence against the work in shaping the edge moldings. On the contrast, non-edge bits require the additional use of a fence to set either on a router table or attached to the work or router. Anti-kickback bits employ added non-cutting bit material around the circumference of the bit's shoulders which serves to limit feed-rate.


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The tungsten carbide down-cut spiral router bits are designed to cut the working pieces from the top surface down to create a smooth edge at the surface. It makes effort to push down on the material being cut, and helps hold the material in place on the table surface. This bit is proffered by some users due to it packs the sawdust in the groove being cut, this helps hold parts in position and helps maintain vacuum when that type of hold down system is used.



The shortcomings of the bit are the packed sawdust is not automatically removed by the dust collector but must be manually scraped or brushed off . Also this bit is not appropriate for thermoplastics as the "packing" of the dust re-welds the parts together. When making "through cuts" the down cutting force can splinter the bottom face of veneered or other susceptible materials.


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Tungsten carbide drawknife is a traditional hand tool widely applied in wood working processes. It is meant to shape the wood by removing the large slices of wood. The tungsten carbide drawknife is completed with two handle at two ends, a blade made from tungsten carbide,which is tarnish resistant and extremely strong.

Specially, the length of the blade is always longer than its width. In terms of the handle at each end, which commonly designed to below the level of the blade or at the same level as the blade. It is used by pulling or drawing towards the user. During the woodworking, the blade lends itself to shape complex concave of convex curves.


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Cobalt 60 is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It can emit 315KeV high speed electronic and two beams of gamma rays through beta decay. The main β-decay transitions are shown. The probability for population of the middle energy level of 2.1 MeV by β-decay is 0.0022%, with a maximum energy of 665.26 keV.

Due to its high density and excellent absorption behaviour against electromagnetic radiation such as X-rays and gamma-radiation, tungsten alloy can be widely used in cobalt 60 tungsten radiation shielding to protect the damage from Co 60 radiation. Cobalt 60 tungsten radiation shielding can be used in industrial of radiography,medical radiotherapy,and food irradiation and blood irradiation.

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