| In every machining system, one simply
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| | used for a lot of industrial
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| can't ignore the important role that
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| | applications. Carbides used in industrial
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| cutting tools play. Oftentimes, the
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| | applications are often called cemented
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| quality of a finished product would rely
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| | carbide products and are classified in
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| on the quality of the cutting tools. The
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| | three major grades:
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| quality and the performance of cutting
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| | - Wear grades
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| tools would also directly affect a
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| | Used primarily in dies, machine and tool
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| machining system's overall productivity.
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| | guides
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| It is because of their importance that
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| | - Impact grades
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| manufacturers would take into
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| | Higher shock resistance carbide products
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| consideration several criteria before
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| | used for dies, particularly for stamping
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| eventually buying a piece of cutting tool
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| | and forming
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| for their machining system. Included in
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| | - Cutting tool grades
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| these criteria are the tools ability to
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| | Carbide tools used for cutting
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| last long under rigorous operating
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| | 4. Carbide Cutting Tools
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| conditions and their capability to
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| | Cutting tool grades of carbides are
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| perform at very high speeds. Also
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| | further subdivided into two groups:
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| important is the tool's resistance to
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| | cast-iron carbides and steel-grade
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| wear and tear, including resistance to
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| | carbides. As their name implies,
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| breakage, edge and flank wear, cratering
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| | cast-iron carbides are specifically made
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| or top wear, chipping, built-up edge
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| | for cutting cast-iron materials. These
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| (BUE), deformation, and thermal cracking.
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| | carbides are more resistant to abrasive
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| 1. Kinds Of Tools
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| | wear, protecting the carbide cutting tool
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| As the demand for better cutting tools
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| | from edge wear due to the high
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| increase, cutting tool suppliers also
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| | abrasiveness of cast-iron. Steel-grade
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| continuously develop products that can
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| | carbides, on the other hand, are
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| pass manufacturers' demands. Through the
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| | specially made to resist cratering and
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| years, a lot of materials for the
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| | heat deformation that may be caused by
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| manufacture of cutting tools have been
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| | the long chips of steel on higher cutting
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| experimented upon; some have passed the
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| | speeds. Whichever grade of carbide is
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| standards while others were simply
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| | used in a carbide cutting tool, the main
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| dropped. Today, there are only two types
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| | carbide material used in its manufacture
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| of cutting tools heavily favored in the
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| | is tungsten carbide (WC) with a cobalt
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| machining industry: high speed steel
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| | binder. Tungsten carbide is well known
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| (HSS) cutting tools and carbide cutting
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| | for its hardness and resistance to
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| tools; and it seems that carbide cutting
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| | abrasive wear. Cobalt, on the other hand,
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| tools have slightly overtaken the other
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| | is used to further toughen the tool's
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| in popularity. So, what advantages do
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| | surface.
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| carbide cutting tools have over their HSS
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| | 5. Other Variants
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| counterparts? Considering their lead in
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| | Aside from tungsten carbide and cobalt,
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| popularity, it is clear that the benefits
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| | other alloying materials are added in the
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| of carbide cutting tools outnumber that
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| | manufacture of carbide cutting tools.
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| of HSS cutting tools. And we'll
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| | Among them is titanium carbide and
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| understand these benefits better if we
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| | tantalum carbide. Titanium carbide helps
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| know what carbide really is.
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| | the carbide cutting tool to resist
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| 2. What is Carbide?
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| | cratering while tantalum carbide can
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| In chemistry, carbides refer to any group
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| | reduce heat deformations in the tool.
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| of compounds made up of carbon and one
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| | Also commonly used in the cutting
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| other element that can be a metal, boron,
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| | industry today are coated carbide cutting
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| or silicon. There are actually many
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| | tools. Aside from the basic carbide
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| compounds belonging to this group, among
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| | materials, titanium carbide, titanium
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| the more popular of which includes:
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| | nitride, ceramic coating, diamond coating
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| - Calcium Carbide
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| | or titanium carbonitride are used as
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| - Aluminum Carbide
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| | coating materials. The different coating
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| - Silicon Carbide
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| | materials aid the carbide cutting tool
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| - Tungsten Carbide
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| | differently, although they are generally
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| - Iron Carbide
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| | used to further toughen the cutting tool.
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| 3. Industrial Uses of Carbide
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| | 6.
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| In the 20th century, carbides have been
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