Overview of Dart Types

 

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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Why Use Tungsten in Ballast Instead of Lead

 

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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Tungsten in Motor Sport

 

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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How to Use Tungsten-Based Loads in Hunting

 

Take detailed notes on how dense and uniform the shot pattern is at each distance. Is the pattern holding together effectively enough at that range to put a dozen pellets in the kill zone, or only two or three? Do you start getting large holes in your pattern? If so, that distance is too far out for clean, ethical kills.

Determine your personal maximum effective range. Just because your buddy has excellent eyesight, depth-perception and technique and can put a dozen pellets in the kill zone at 50 yards doesn't mean you can.

It is no question that tungsten-based loads offer better performance, but know and understand your personal limits as an effective shooter.

In short, tungsten-based loads are good — very good — but they won’t make your eyesight, technique or depth perception any better — only practice on the range can do that. These loads are truly groundbreaking, and they hit harder and at longer ranges than ever before.


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New Tungsten Carbide Boring Head's Characteristics

When tungsten carbide boring head’s cutting is in high-speed machining, high-speed rotating imbalance tungsten carbide boring head, centrifugal force and tungsten carbide boring head itself can cause large vibrations, thereby damaging the sensitive display device. The new tungsten carbide boring head by using a balancing mechanism that can reduce or eliminate unwanted vibration at high speed boring. With a digital readout screen, precision boring heads have been able to speed up 16000r/min speed boring.

New tungsten carbide boring head’s digital display shows the direct displacement of the slider of the boring tool, without having to determine the amount of displacement by adjusting the amount of rotation of the screw blade. As the boring bar boring tool mounted directly on the slider, so the number of significant readings tungsten carbide boring head can truly reflect the displacement of boring tool, and is not affected by the screw backlash errors. Digital tungsten carbide boring head this feature so that it can more quickly and precisely adjust the bore diameter, and can realize the error compensation process deviations or tool wear.

 

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Tungsten Carbide Modular Boring Tool’s Advantages

Modern tungsten carbide boring tool was able to provide greater flexibility and another factor is the manufacturer of tungsten carbide modular boring tool, like other manufacturers that have invested in better production and processing technology, in order to give full play to the modern machine processing capacity. Thus, the modular combination of a higher precision boring tool.

 

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Tungsten Carbide Modular Boring Tool

Tungsten carbide modular boring tool, also means that making the boring tool divided into: basic pattern (Basic Holder), extender (Extension), reducing device (Reduction), boring bar, boring head (Boring Head), insert seat (Insert Holder), a plurality of blade portions (Insert), the chamfered ring, and depending on the content of the processing (rough boring, finish boring; hole diameter, depth, shape; work-piece material, etc.) for free combination.

This way, Tungsten carbide modular boring tool can not only greatly reduces the number of tool holders, reducing the cost, can quickly respond to a variety of processing requirements and the overall extension of the tool life.

 

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Tungsten Carbide Seismic Boring Bar’s Features

Tungsten carbide seismic boring bar is unique, and there are five main features of it. Look at the followings:

1.one piece, eliminating weld fracture problems;

2. cemented tungsten carbide boring Arbor, formulated using high toughness, tough and durable, high hardness, high rigidity, high shock resistance, ultra-deep hole boring may be imposed processing;

3. a variety of both internal water hole, when deep processing chip and the cooling effect is good;

4. straight shank structure, processing depth processing to be seeking to follow their own adjustments;

5.the body has a combination of both ends of the hole, in case of damage to one end, the other end that can be used in conjunction Arbor increase their value, more cost-effective.

 

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Solid Tungsten Carbide Small Diameter Boring Tool

Solid tungsten carbide small diameter boring tool has a large number of patterns and sizes, so you can choose the best one in actual use. Look at the following chart.
 

Pattern

Size

D

d

L

I

YTD02.15-Kr

2

6

50

15

YTD03.20-Kr

3

55

20

YTD04.20-Kr

4

YTD05.30-Kr

5

65

30

YTD06.35-Kr

6

8

70

35

YTD08.40-Kr

8

75

40

YTD10.45-Kr

10

10

80

45

YTD12.50-Kr

12

12

85

50

YTD14.50-Kr

14

14

YTD16.55-Kr

16

16

90

55


Take one example, D=5,I=30,Kr=93°, the solid tungsten carbide small diameter boring tool’s pattern and size is YTD05.30-93.


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Tungsten Carbide Simple High Stiffness Micro Boring Tool

Tungsten carbide boring hole is a bore machining technology widest range of applications. For large diameter boring hole almost all use the tool very easy to adjust. And a small diameter hole (hole diameter of less than 10mm), it is very inconvenient to adjust the head.

We recommend an tungsten carbide simple high stiffness micro boring tool, which is different from the traditional fine-tune the structure. Its head back and forth to adjust the spindle by relative rotation between the shank to achieve. As the head and shank is fixed coupling, so good rigidity. Arbor office is in connection with the spindle hole is processed outside, it can not be size restrictions, so its rigidity can be done well. On the spindle with cylindrical shank flange has the scale, the scale given exactly zero offset eccentric position in the spindle and arbor. Then use it to test boring first knife, then measure out the actual size (not required retraction) to adjust the amount of eccentricity can be boring arbor the desired size. The tungsten carbide simple high stiffness micro boring tool of the structure and can be as large as possible to improve the rigidity of the blade. Thus ensuring the accuracy of the hole size and geometric tolerances.

 

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