1. Attach the diamond wheel to your bench grinder. Refer to your manual to ensure that the wheel is properly attached and the grinder itself is appropriately mounted.

2. Hold your tungsten carbide tool against the rest beneath the wheel. Touch the tip to the wheel, but do not turn on the grinder yet. Adjust the rest as needed so that you achieve the necessary grinding angle for your particular tool. Many rests will allow you to adjust both the height and the angle of the rest.

3. Remove the tool from the rest, then turn on the grinder. Touch the tip of the tool to the moving wheel, just as you did before when determining the angle, and use the rest to guide the angle of the grinding. Carbide may emit short red sparks during grinding. These are normal. The carbide tool may also become very hot. Work in short intervals and do not burn yourself, overheat the tool or touch the tool immediately after grinding. Continue grinding until the tool is sharpened.


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We have known that tungsten alloy can be used in defense and nuclear industries. Otherwise, tungsten alloy can be also adopted in aerospace industry.

With the high melting point, excellent high-temperature and good characteristics of thermal shock resistance and thermal fatigue, tungsten alloy is widely used for high-temperature structural components in aerospace industry. For instance, tungsten copper material can be used for spout, throat insert or vane of rocket and missile.


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Single-Point Tools
A variety of single-point cutting tools are used to make industrial cuts on assembly lines. American Carbide Tool Company makes a straight turning tool, lead angle turning tool, square nose utility tool, cutoff tool, pointed nose utility tool and a round shank boring tool. These tools allow cutters to make cuts at angles from 0 degrees to 90 degrees.

Saw Blades
Carbide-tipped saw blades can be used to cut almost all home building materials. They're used to cut stainless steel, wood, particle board, ferrous and non-ferrous metals, laminates and fiber cement board.

Oscillating Blades
Because of the repetitive nature of the oscillating motion, oscillating blades can be carbide-tipped to prevent the blade from dulling out quickly. Carbide-tipped oscillating blades are most often used to shave down grout and plaster.

Carbide Burs
Welders use carbide burs to grind back and cut into welds. They are manufactured in almost every shank and size you can imagine, from ball-shaped to cone-shaped to the inverted cone.


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The choice of geometry will always affect electrode life, arc starting, weld penetration, and arc shape. Regardless of the geometry selected, the electrode configuration must be tested during welding procedure development. The geometry should be noted as a critical process variable for the weld procedure and held to close tolerances for all subsequent welds.

Electrode Diameter. The best place to start when choosing the electrode diameter is to consult the welding equipment manufacturer's recommendations. While small diameters are easier to arc-start, large diameters accommodate higher amperages and last longer than smaller diameters. However, ifcurrent levels are higher than recommended, the tungsten will deteriorate too rapidly, fall into the weld pool, and contaminate the weld. Conversely, if the current is too low for the electrode diameter, the arc will become unstable.

Electrode Included Angle (Taper). Electrodes for DC welding should be ground longitudinally and concentrically with diamond wheels to an included angle in conjunction with the tip/flat preparation.

A blunt taper with a large included angle results in longer electrode life, better weld penetration, narrower arc shape, and the ability to handle more amperage without eroding. A sharp taper with a small included angle offers less arc wander and a wider, more consistent arc.

Tip (Flat). The shape of the tungsten electrode tip is an important process variable in precision arc welding, because as the flat size increases, so does the chance of arc wander and starting difficulty. However, increasing the flat also improves weld penetration and increases electrode life.

An incorrect, inconsistent flat can cause pointed electrode tips to drop into the weld pool. It also can result in arc instability, reduced electrode life, and changes in arc voltage from one electrode to another.
 

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Tungsten carbide gouge is a very rough wood turning tool that is typically used to create the general shape of the wood stock being turned, but can also be used for fine finishing simply by changing the angle of use.

The tungsten carbide gouge gives the wood turner the opportunity to take more material at once without damaging the gouge or creating skip marks on the stock. The cuts for decorative grooves are also cleaner, reducing sanding after the fact. As with all of the carbide tools, the blades are able to be changed at will, eliminating the need for constantly sharpening the blades.


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Tungsten carbide turning tools offer more flexibility and last longer without sharpening than steel turning tools. Tungsten carbide turning tools have carbide inserts that are mounted to the turning tool. It comes in a variety of different styles for a number of uses.

Rougher
A rougher has a flat carbide-tipped blade that is anchored to the tool with an Allen wrench screw. The rough cutter gets its name from performing the rough shaping of the wood. The carbide tip takes little time to cut through the wood stock and give it its general shape. While typically used for wooden bowl turning, the rougher can be used for roughing out the wood stock of just about anything.

Finisher
A finisher has a round carbide tip that is generally smaller. The finisher is designed to take minimal shaving off of the wood stock to create the final shape of a bowl. The finisher can be used for creating grooves but this is typically a wooden bowl finishing tool only. One advantage to this tool is that the blade can be rotated from a dull portion to a sharp portion, allowing the blade to be used significantly longer.


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In most applications, it is very important to have a dedicated tungsten electrode grinder. Standard grinding equipment at most facilities does not offer the means for proper longitudinal diamond grinding or consistency of preparation from one electrode to the next. In addition, a nondedicated machine contaminates the electrode with foreign material, which compromises weld quality in a number of ways.

For efficient production of consistent and repeatable electrodes and welds, consider the following characteristics in a grinder:

1.Longitudinal grinding.
2.A diamond grinding wheel
3.A cutting tool with a measurement apparatus that can cut short enough for the  application, especially in the case of orbital welding.
4.20 RA finish or better.
5.Precise grinding of tungsten in less than one minute.
6.Ability to meet required tolerances for the angle, length, and flat.
7.Simple, consistent operation that can be modified easily when different geometries are required.
8.Dust collection, especially for radioactive 2 percent thoriated tungsten electrodes.

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Lathe machinists use tungsten carbide-coated inserts to turn harder material on a metal lathe. The benefit of using inserts is that you can replace them in the holder when they start to get dull.

Many inserts have eight sides, while some only have four, but you can loosen the retention screw and simply turn the insert to a new edge. Either way, you save money over carbide bit tool blocks, which are difficult to sharpen.

Insert-ready tool blocks come in different configurations and orientations with both positive to negative rakes, which is the angle at which the insert sits. In most cases, the inserts are also coated with various materials to help with durability and longevity, reducing the per part cost in heavy machining on harder material such as stainless steel.


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Since at least World War II, tungsten alloy has proven its worth in ordnance applications. Hyper-velocity armor-penetrating applications use tungsten alloy in spheres, cubes, and projectile shapes.

The normal tungsten alloy rod after swaging, ultimate tensile strength would be increased greatly. The ultimate tensile strength of general tungsten alloy rod is 1050 MPa. However, after swaging, the ultimate tensile strength can reach 1200 MPa min, we could even control at 1400 MPa.


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Every manufacturing sector uses carbide cutting tools due to their density and heat resistance. While steel may be cheaper, no alloy of steel can match the utility of carbide alloys. Tungsten carbide alloy is three times stronger than any steel and titanium carbide is 30 percent more wear resistant. Some carbide cutting tools are hybrid designs with carbide alloy tips on steel shafts.

Machine Shop
Lathes, die stamps, drills and many other machine tools all use carbide bits to shape metal. The carbide alloys are stronger than steel and are able to shed heat at a great rate. This enables faster rates of operation and the ability to work with harder metals. From a business perspective, carbide tools give greater uptime and versatility than normal steel tools.

Mining
Mining machines use cemented carbide button bits. The button bits slot into the head of the boring machine. The individual carbide tips grate against the rock face and shuck off rock chips. Carbide alloys last longer then steel alloys, are more corrosion resistant and withstand greater amounts of heat. Some mining operations involve spraying water to keep down dust and cool off the drill tips. Steel tips rust fast in this environment, so carbide tips are used when possible.

Emergency Services
Fire and rescue serves use carbide cutting tools to help free trapped individuals. Carbide tipped saws and drills are able to cut faster than steel tipped tools. This enables emergency services to rescue people faster and expose the rescue crews to less danger. Carbide alloys are also lighter than steel ones, which helps lessen the load rescue personnel have to carry.

Fine Arts
Carbide cutting tools also have a number of advantages in fine arts. Carbide blades are able to cut with less effort, which means there is less risk of inadvertent cuts. In addition, the greater resistance to heat allows you to use the tool on harder materials such as stone or gems. The strength of the carbide alloys also allow for smaller tools for finely detailed work.


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