Tungsten dart flights stabilize a dart throw differently depending on their shape, size and texture. Creating your own tungsten dart fights allows you to personalize your tungsten darts to your own preferences and style of dart throwing. You can choose the material, texture and design of your flights to express yourself and to give yourself a leg up on the competition. Making your own flights also gives you greater control over the feel of your tungsten darts.

Creating a template of Tungsten dart flights:

1. Cut a 2-inch-by-2-inch square from a piece of paper.

2. Fold the paper square to create diagonal and horizontal crease lines across the paper.

3. Open the paper square.

4. Create the tungsten dart flight's basic shape. To do this, bring the center points of all the edges together, folding the paper along the previously made crease marks. Lay the flaps flat, creating an upside down triangle.

5. Cut the top tips of the triangle to give your flight a modern look. Traditional shapes for tungsten darts are the kite, the pear and the slim. Cut off the triangle's top tips to make a diamond kite shape. Round the triangle's top tips for the pear shape, and cut the triangle's outside edges to slim the flight.

6. Open the square paper.

7. Cut the square paper along both diagonal creases. This will create four flight templates. Only one is needed for a template.

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Nine Lives tungsten dart rule is a simple game of elimination for any number of players. It does get a little long when there are a lot of players, however.

The Object: To be the first player to get "around the clock", that is to get at least one tungsten dart in each number from 1 through 20 in order.

The Scoring: Each player throws one tungsten dart at bulls-eye, closest to the bulls-eye goes first, furthest from the bulls-eye goes last. Each player gets three "lives" represented by three tally marks below their name. No, I don't know why they call the game 9 lives but you only get 3. Maybe it was invented with 3 players?

The Play: Each player takes a turn trying to hit each number from 1 through 20. The numbers must be hit in order or they do not count.

If a player misses with all three tungsten darts, one life is lost (a tally mark is erased) from that player. When all three of a players lives are lost, that player is out of the game.

The winner of the game is the first player to make it to 20 or the last player in the game to have any lives left.

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Pure tungsten electrode (model - L10) common specification

Package:
10 / plastic box; Length: 150mm / 175mm; 1000 / carton.



 

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Pure tungsten electrode is the earliest electrode used in arc welding technology.
TIG technology refers to the welding method under the function of protective gas-argon gas, that is to say, it is a technology that inlet the argon gas as a protective gas around the arc welding, isolate the air outside the welding areas to prevent the oxidation of welding material, which is also known as argon arc welding, can be used to weld metal hardware, stainless steel and other materials.

Arc welding refers to the process that using the heat generated by arc combustion (i.e., arc discharge) to make welding electrode (or welding wire) smelting with workpiece and condensation, then it will form the weld, and then a solid workpiece can be obtained, in industrial production, this method has the most wide application.

Pure tungsten electrode owns good conductivity, small thermal expansion coefficient, low resistance, low vapor pressure and high elastic modulus and other excellent performance.
Today, with the economic development, the world annual demand for the tungsten electrode is still in a growing trend. China's annual output of tungsten electrode has been growing steadily, accounting for about 3/4 of the world production of tungsten electrodes.



 

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The content of tungsten in pure tungsten electrode is higher than 99.5%, and there are no other alloying elements existing. Compared to other tungsten alloy electrode, such as, tungsten copper electrode, silver tungsten electrode and tungsten nickel electrode, etc., because pure tungsten has high electronic work function, so its arc is more difficult than tungsten alloy electrode, and it is also difficult to maintain the stability of the arc beam. It’s the tip temperature of the electrode is relatively high, it will make the grain easy to grow, and the arc beam will be instable, leading to harder arcing, and shorter service life (improvement method: adding rare earth oxides). Therefore, tungsten is only used for AC welding.

Arc, as the name suggests, it is the process that the welding material (welding wires, welding rods, etc.) ignite the arc process.

Basic index of pure tungsten electrode

Electronic work function refers to the electronic break the bound of the nucleus, the minimum energy needed to escape from the surface of the material.



 

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Pure tungsten electrode is one species of tungsten electrode, the species of tungsten electrode and its application

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Compared with common nozzle, tungsten carbide pulsed nozzle can accelerate 10%-77% at speed in drilling and deepen 10%-48% in depth of drilling, which definitely improves oil field drilling and brings about financial benefits. Because the chamber of pulsed nozzle is bigger than the entrance and exit, using traditional methods can not suppress sintering powder metallurgy so that we should take advantage of powder metallurgy principle, no needs welding processing, and the product as a whole, duration will be highly improved.

Its principle is the flow runs into chamber and via two upper and lower reflecting surfaces , the upper surface reflecting pressure wave is equal to the lower movement of the pressure wave phase, and comes into addition of waveforms. And the circle shearing stress is forming water bombs in vacuum, where generated in the high-pressure, high velocity water bombs discharged form a discontinuous flow of the water ejection, continuous power to overcome the shortcomings of the existing continuous small-jet nozzle, and improve the instantaneous impact force of the jet spray distance and the effective energy of the flow reaches the bottom of well.

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The atomization of tungsten carbide nozzle distributes on average, the angle of jet is 30° - 120°, and the drop arrayed by size in ascending order. Owing to its special design of vane, which is suitable for some area requires covered by atomization, the system can be control precisely. Its sustaining flow is 0L/min - 1000L/min, common sizes are 1/8inch, 3/8inch, 1/4inch, 3/4inch, 1/2inch, 1inch, 1.5inch, 2inch, 3inch, pressure is 0MPa – 15MPa, and has several modes such as external thread connection, internal thread connection, ferrule fitting connection, folder connection, welding solution and flange form connection, etc. Therefore, it can be widely used in surface solutions like the phosphorization metal parts, high pressure cleaning, PCB cleaning, cooling and so on.

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Tungsten carbide cylindrical nozzle can be used in hydrant for providing sufficient water flow to put out fire. The principle is that water flow runs into pipe in two different directions, one is to direct nozzle through middle way, the other leads to the valve through tube wall. However, tungsten carbide nozzle is often used in the system of grate cooler in practical. In addition, tungsten carbide nozzle has a lower pressure for atomization than others so that it can save more energy, which can atomize under 0.3MPa and the diameter of drop is 60-80μm. It ensures that the drops evaporate in the shortest time in case of wall built-up phenomenon. And its angle of atomization reached 30° - 110°, the flow is 110kg/h-1600kg/h, which can be fit for various scale production. Finally, tungsten carbide nozzle is convenient for cleaning and saves unnecessary costs.

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Tungsten carbide porous nozzle has certain of cylindrical jet holes, and the air is blown to form a fan-shaped air flow. In order to improve the spray, uniform the gas and cut down the time corresponding mixture formation. In addition, the nozzle aerodynamic designing inside was effectively reducing the air resistance when it is working. And it not only ensures nozzles to reduce the noises and the consumption of air, but also obtains the high impact of airflow. Compared with the single-hole nozzle, porous nozzle has a complicated structure and its exits array in order. What’s more, porous nozzle can enlarge the contact area of fluid absorbed, which accelerates the exchange of energy and shortens the pipe to improve the efficiency.

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