Tungsten carbide fluted countersink cutter is a cone-shaped tool made of tungsten carbide with one or several flutes along the cutting edge. This type countersink cutter is very often required to work with countersunk-head screw for seating preparation or pre-machining for tapping.

In practice, the most well accepted angels of this countersink cutter comprise 60°,  82°,  90°,  100°, 110°and 120°, among which the most common two are  82°and  90°as the countersunk-head screws very often have an 82°or 90°angle. Specially, the typical angle of countersunk fasteners is 100° in the aerospace industry.

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During framing operation, tungsten carbide miter saw could cut through a workpiece in a quick and controlled motion by spinning down circular saw blade, and the tungsten carbide tipped teeth enable it to deal with hard material. The workpiece is typically held against a fence to form a cutting angle (angle between the blade plane and the longest workpiece edge), which will be fixed at 90°in standard position.
 

Miter index, as one primary characteristic of tungsten carbide miter saw, it enables the blade angle changes to be matched with the fence. For most miter saws miter index could be set as precise one-degree incremental changes.


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Tungsten carbide miter saw is referred to a saw with teeth made of tungsten carbide that could create desired crosscuts and miters in machining operation.

In general, there are two common types of miter saw, which are manual miter saw and power miter saw. Manual miter saw is basic manual saw with the help of miter box and depended from rollers or slides in a metal guide to make accurate crosscuts and miters. They are occasionally used in picture framing and manual woodworking processes. For the power miter saw, it is a portable and relatively small saw, which is able to make a crosscut with accuracy and timeliness via a selected angle. The common applications comprise framing and molding cutting, and its blade sizes vary from eight to twelve inches.   


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Tungsten carbide cross-hole countersink cutter is a zero flute cone-shaped tool made of tungsten carbide with a hollow hole goes through the cutting edge from the side of the cone. The cutting edge is comprised of the intersection of the hole and the cone-shaped part. Specially, the cone is not strictly symmetrical.

Tungsten carbide cross hole countersink cutter is also referred to deburring tool. During the machining operation, it could bite into the work piece while the tool rotates providing clearance for its cutting edge. The rotation of the tool could remove the burr from the material due to cosmetic and safety consideration. In addition , the tool could be also applied in softer material to prepare a countersunk hole for a screw.

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Tungsten acid can be used for water treatment chemicals.

Chemicals from water treatment and distribution reach drinking-water by the most direct route. They fall into three broad categories:

•substances resulting from the addition of chemicals used in the treatment process for coagulation and disinfection — these chemicals are intentionally added and can give rise to residues or by-products;

•disinfectants that are deliberately added with the intention of maintaining a residual in distribution, usually to the tap — these chemicals may also give rise to by-products;

•substances that leach from materials used in distribution or plumbing, or that arise from the corrosion products of pipes.

 

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The emission of a single gamma ray is a very small-scale nuclear phenomenon. It is the role of the gamma-camera head to amplify this microscopic radiation into an electric signal that can be detected and measured.

The gamma camera detection head consists of:
- a collimator
- a scintillating crystal
- an array of photomultiplier tubes
- an electronic system for detection and measurement of gamma energies and impacts

The collimator of gamma camera is a thick plate of tungsten riddled with a large number of very thin parallel channels. The gamma rays which can pass through it are those whose direction is perpendicular to the surface of the tungsten plate and the scintillating crystal. The channel axes point towards the body part under examination, and the tungsten stops all gamma photons traveling at an oblique angle. Other collimators can be designed using different techniques: a pinhole collimator is used for thyroid scintigraphy scans, whereas fan-shaped collimators are used for imaging of the brain.

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Tungsten alloy has excellent radiation attenuation properties, with thinner thickness but high effective in blocking harmful X-ray and gamma radiation. Tungsten alloy shielding is the best choice in nuclear medicine. Nuclear medicine tungsten radiation shielding is usually used in the nuclear medical equipment , such as collimator, linear accelerator, multileaf collimator, computed tomography, X-ray energy, absorptiometry, and gamma knife.

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Tungsten acid can be used for electroplating.

Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a coherent metal coating on an electrode. The term is also used for electrical oxidation of anions onto a solid substrate, as in the formation silver chloride on silver wire to make silver/silver-chloride electrodes. Electroplating is primarily used to change the surface properties of an object (e.g. abrasion and wear resistance, corrosion protection, lubricity, aesthetic qualities, etc.), but may also be used to build up thickness on undersized parts or to form objects by electroforming.

The process used in electroplating is called electrodeposition. It is analogous to a galvanic cell acting in reverse. The part to be plated is the cathode of the circuit. In one technique, the anode is made of the metal to be plated on the part. Both components are immersed in a solution called an electrolyte containing one or more dissolved metal salts as well as other ions that permit the flow of electricity. A power supply supplies a direct current to the anode, oxidizing the metal atoms that it comprises and allowing them to dissolve in the solution. At the cathode, the dissolved metal ions in the electrolyte solution are reduced at the interface between the solution and the cathode, such that they "plate out" onto the cathode. The rate at which the anode is dissolved is equal to the rate at which the cathode is plated, vis-a-vis the current through the circuit. In this manner, the ions in the electrolyte bath are continuously replenished by the anode.

Other electroplating processes may use a non-consumable anode such as lead or carbon. In these techniques, ions of the metal to be plated must be periodically replenished in the bath as they are drawn out of the solution. The most common form of electroplating is used for creating coins such as pennies, which are small zinc plates covered in a layer of copper.


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Tungsten acid can be used for making tungstate.

In chemistry a tungstate is a compound that contains an oxoanion of tungsten or is a mixed oxide containing tungsten. The simplest tungstate ion is WO₄²⁻, "orthotungstate". Many other tungstates belong to a large group of polyatomic ions that are termed polyoxometalates, ("POMs"), and specifically termed isopolyoxometalates as they contain, along with oxygen and maybe hydrogen, only one other element. Almost all useful tungsten ores are tungstates.


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Tungsten acid can be used for refractory material.

A refractory material is one that retains its strength at high temperatures. ASTM C71 defines refractories as "non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above 1,000 °F (811 K; 538 °C)".

Refractory materials are used in linings for furnaces, kilns, incinerators and reactors. They are also used to make crucibles.


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