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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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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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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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.


Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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