The new tungsten carbide boring tool can shorten the process of adjusting the knife time to help users high-speed, low-volume production of products, factories and workshops in order to ensure timely completion of the production and processing tasks. In addition, this tungsten carbide boring tool itself can be automatically adjusted, corrected wear compensation errors or automatic forming.

 

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Darts come in a variety of materials, weights and grips. The most common metals used in the production of darts are brass, nickel silver and tungsten. Brass is inexpensive and is perfect for the home recreational player and the occasional pub game. Nickel Silver has the same attributes of brass but is tarnish resistant. Tungsten is extremely dense, three times denser than brass & nickel silver, and is popular because of its weight to size ratio resulting in a heavier weight in a smaller mass. If two barrels, one made of brass and one made of tungsten, the same weight were compared you would see that the tungsten barrel is 3 times smaller than the brass barrel. These important features make tungsten the material of choice for the more serious dart shooter.


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You may see some darters using chalk or forms of gripping wax on their fingers. They use this to help their grip on the tungsten dart but one of the best ways to maintain a good grip on tungsten dart is to make sure they are clean and your hands are free from grease. So put down your crisp packets and wash your hands! But seriously it is worth while every so often to give your tungsten darts a good clean.

By cleaning tungsten darts you will not only make them last longer, but will also restore much of the grip by removing both the slippery feeling and the particles filling-in the hollows of the knurling.


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Steel tip darts are measured by weighing the point and barrel without the flight and shaft. Although darts are available in a wide range of weights (from 18 – 40 grams), the majority of players play with darts weighing 18 – 23 grams when using brass and 23 – 26 grams when using tungsten darts. The legal weight limit of your major overseeing organizations is 50 grams.

Soft tip darts are measured by weighing the entire dart including the barrel, flight and shaft. The weights being used to play soft tip darts are most commonly 16, 18 and 20 grams and are much lighter than their steel tip counterparts. Originally, soft tip darts needed to be light in weight because the electronic matrix in the vending machine was delicate and couldn’t withstand the impact of a heavy dart. The technology has been greatly improved over the years and the dart weights have increased steadily from the original 12 grams to the current top weight of 20 grams.

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Tungsten is incredibly heavy, packing more mass into every dart. The darts below both weigh 21 grams. Note how much slimmer the tungsten barrel is. Players looking to advance their game choose trim tungsten-alloy barrels for their accuracy, confident their darts will hit where you want.

Tungsten barrels can sharpen anyone’s game. They give you the stabilizing weight of a heavier dart and the tighter groupings possible only with a slim dart.

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Soft tip darts are most commonly made from three different materials, brass, nickel-silver, and Tungsten. Tungsten darts are the most popular of the three types. Tungsten is a more dense metal which allows the darts to have a smaller diameter than brass darts of the same weight. Most tungsten darts are made from 80%-90% tungsten. Soft tip tungsten darts are usually made with 80% tungsten to keep the weight down. Brass and Nickel-Silver alloys are easier for the manufacturers to work with than tungsten, so they tend to come in a wider variety of grips. Tungsten also tends to be more expensive than Brass or Nickel-Silver.


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Is there that big of a difference between 80% tungsten darts and 90% tungsten darts? This is an easy question to answer. But keep in mind that just because the answer is easy doesn't mean that your decision will be too. Most dart players cannot tell the difference between an 80% and a 90% tungsten barrel. A 90% tungsten barrel has a tendency to be slimmer than an 80% barrel. If you have two darts both weighing 23g, one made of 90% tungsten and the other from 80%, the 90% barrel must be slimmer in diameter or shorter than the 80%. The reason for this is that since Tungsten is such a dense material, it doesn't take as much of the material to reach the desired weight. There is a price difference between the two, but not a huge one.


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There are many different darts to choose from: wooden darts, brass darts, nickel/silver darts and tungsten darts. The most popular dart for league throwers is the tungsten dart. The high-density tungsten resists well and allows barrels to be slimmer, for tighter groupings, while maintaining the weight of the dart and minimizing bounce-outs. When buying tungsten darts, make sure to pay attention to the percentage of tungsten in the dart barrels, it is very important to the quality of the dart. The higher the percentage of the dart is better and more expensive. Brass and nickel/silver darts are made of softer, less expensive metals. Compared to tungsten darts, the knurling on these darts can wear down quickly from skin oils, friction and contact with other darts.


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In ballast, we’re usually not talking about a pound at a time: we’re talking, say, 25 pounds.   Ballast is usually installed into a car’s frame rails, so a typical cross-section for ballast is 2-5/8″ x 3-5/8″. Twenty-five pounds of tungsten would be 3.75″long, while twenty-five pounds of lead would be 6.40″long.

This is important because the weight distribution makes a huge difference in how a car handles.  The weight pushing each tire into the track creates grip. The more weight pushing down on a tire, the more grips it has. Using a denser tungsten weight allows you to more precisely place the weight. That allows you to do things like lower the center of gravity, or shift the weight from left to right and front to back in a way you can’t do with the physically larger piece of lead.


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The minimum weight requirements of motor sport formulae are often met with ease as more exotic materials that give designers the ability to create lighter and stronger components in the search for greater performance.

Adding tungsten ballast weight helps to provide competitive advantage by giving the ability to add ballast within confined spaces in exactly the correct place to both trim the weight distribution and lower the centre of gravity of a competition car and still meet the minimum weight requirements.

A lower centre of gravity can also be achieved by adding tungsten skid plates, which also protect the lower parts of the chassis, especially important in F1, where a ride-height monitoring plank is used.


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