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Benefits of Carbide Cutting Tools

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




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