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In all machining systems, one simply can not ignore the important role of cutting tools. Often the quality of a finished product that depend quality of cutting tools. The quality and performance of cutting tools also directly affect the overall productivity of a machining system. It is because its importance for manufacturers to take into account several criteria before finally buying a piece of the cutting tool for machining system. Included in these criteria are the ability of the tools to last a long time in working condition and its rigorous capacity to perform at very high speeds. Also important is the resistance tool wear, including the breaking strength, the edge and flank wear, cratering and wear, chipping, edge filler (BUE) deformation and thermal cracking.
1. Types of tools
As the demand for better cutting tools increase, cutting tool suppliers It also continues to develop products that can be passed to the demands of manufacturers. Through the years, plenty of material for the manufacture of tools cutting have been experienced in, some have passed the standards, while others simply fell. Today, there are only two types of cutting tools heavily favored in the machining industry: High-speed steel (HSS) cutting tools and carbide cutting tools, and it appears that the carbide cutting tools have a slight advantage on the other in popularity. So what are the advantages of carbide cutting tools have over their counterparts from FSS? Given his lead in popularity, is clear that the benefits outweigh the carbide cutting tools HSS cutting tools. And we better understand these benefits, if we know what is really carbide.
2. What is Carbide?
In chemistry, carbides refer to any group of compounds consisting of carbon and another element that can be a metal, boron, or silicon. Actually, there are many compounds belonging to this group, among the most popular of which include:
– Calcium carbide – carbide Aluminum – Silicon Carbide – Tungsten Carbide – Carbide Iron
3. Industrial uses carbide
In the 20th century, carbides have been used for many applications industrial. Carbons used in industrial applications are often called cemented carbide products and are classified into three main categories:
– Use grade is primarily used in dies, machine and tool guides
– Grades greater impact resistance to shock carbide products used for dies, in particular for sealing and the formation of
– Cutting tool grades used for cutting tools carbide
4. Carbide Cutting Tools
Grades of carbide cutting tools are divided into two groups: iron carbide-carbide and steel grade. As its name implies, iron carbide, it was specifically for cutting cast iron materials. These carbides are more resistant to abrasive wear, protection of the cutting tool carbide edge wear due to the high abrasiveness of cast iron. Steel-grade carbons, however, are specially made to resist the formation of craters and heat strain may be caused by long steel chips of high cutting speeds. Whatever the degree of carbide is used in a carbide cutting tool, the main carbide material is used in its manufacture tungsten carbide (WC) with cobalt binder. Tungsten carbide is well known for its hardness and resistance abrasive wear. Cobalt, on the other hand, is used to further harden the surface of the tool.
5. Other variants
Apart from carbide tungsten-cobalt alloy other products are added in the manufacture of carbide cutting tools. Among them is the titanium carbide and tantalum carbide. Of helps titanium carbide cutting tool carbide to resist cratering while tantalum carbide can reduce heat strain in the tool. Also commonly used in the cutting industry today are coated carbide cutting tools. Apart from the basic materials of carbide, titanium carbide, titanium nitride, ceramic coating, coating of diamond or titanium carbonitride are used as coating materials. The various coating materials helps of carbide cutting tools differently, although generally used to further harden the cutting tool.
6. Tool Benefits carbide cutting
– Resistance – Outstanding resistance to abrasion – Superior wear resistance – resistance to cratering – Resistance thermal deformation
– High modulus of elasticity – chemical inertia – resistance to twisting double that of HSS – Compressive Strength
About the Author:
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Article Source: ArticlesBase.com – Benefits of Carbide Cutting Tools
Paseka vs Hei Long FTF Finals HSS 20th Anni 8
