CVD materials
Cutting Tool Blanks
Item Number : cvdm-04
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Introduction
Diamond tools are metal cutting tools with diamond grains fixed on the functional parts of the tool via a bonding material. Diamond tools have many advantages, including high working efficiency, low grinding force, high wear resistance, and high grinding quality and precision.
CVD diamond cutting tools are widely used for cutting non-ferrous materials, ceramics, abrasive composites, high silicon-content aluminum alloy, graphite, and other difficult machining materials. They offer excellent wear resistance, low friction coefficient, perfect thermal conductivity, high fracture strength and toughness, and better dimensional and thermal stability.
Applications
CVD diamond cutting tools are widely used in various industrial sectors due to their exceptional properties. These tools have proven their effectiveness in cutting and machining a wide range of materials, including:
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Non-ferrous materials: CVD diamond tools excel in cutting non-ferrous metals such as aluminum, copper, and their alloys. Their high thermal conductivity and low friction coefficient ensure clean and precise cutting operations.
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Ceramics: The extreme hardness and wear resistance of CVD diamond make it an ideal choice for cutting ceramic materials. It can effectively machine ceramics with high precision and minimal chipping or breakage.
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Abrasive composites: CVD diamond tools are highly effective in cutting abrasive composites, which are often encountered in industries such as aerospace and automotive. These tools can withstand the abrasive nature of the material, resulting in longer tool life and improved cutting performance.
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High silicon-content aluminum alloy: CVD diamond tools are well-suited for cutting high silicon-content aluminum alloys, which are known for their hardness and abrasiveness. The diamond's exceptional wear resistance enables it to maintain its sharpness and deliver consistent cutting results.
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Graphite: CVD diamond tools are commonly used for cutting graphite, a soft and brittle material that requires careful handling. The diamond's high thermal conductivity prevents the buildup of heat at the cutting edge, ensuring clean and precise cuts.
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Other difficult-to-machine materials: CVD diamond tools have demonstrated their capabilities in cutting a variety of other challenging materials, including glass, carbon fiber, and certain types of plastics. Their versatility makes them a valuable asset in various industrial applications.
Features
CVD diamond cutting tools offer a range of benefits for users, including:
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Excellent wear resistance: This means that CVD diamond tools can be used for longer periods of time before they need to be replaced, resulting in reduced downtime and increased productivity.
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Low friction coefficient: This helps to reduce the amount of heat generated during machining, which can lead to improved surface finishes and longer tool life.
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Perfect thermal conductivity: This allows CVD diamond tools to operate at lower temperatures, which can help to prevent damage to the workpiece and the tool itself.
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High fracture strength and toughness: This makes CVD diamond tools more resistant to chipping and breakage, even under heavy cutting loads.
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Better dimensional and thermal stability: This helps to ensure that CVD diamond tools maintain their shape and cutting performance over time, resulting in more consistent results.
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Wide range of applications: CVD diamond tools can be used to cut a wide variety of materials, including non-ferrous metals, ceramics, abrasive composites, high silicon-content aluminum alloys, graphite, and other difficult-to-machine materials.
Principle
Cutting tool blanks fabricated by DC arc Plasma Jet usually have a substantially higher thermal conductivity than those by other techniques even at a relatively high growth rate. This is apparently favorable for heavy load high-speed cutting operations. Very low friction coefficient, higher fracture strength and fracture toughness, very high thermal oxidation resistance, in combination with the higher thermal conductivity, should make it to be an ideal material for high-performance cutting.
Advantages
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Excellent wear resistance: CVD diamond cutting tools can last up to 100 times longer than traditional carbide tools, resulting in less downtime for tool changes and increased productivity.
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Low friction coefficient: This reduces the amount of heat generated during cutting, which can help to prevent workpiece damage and improve surface finish.
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Perfect thermalconductivity: CVD diamond has a very high thermalconductivity, which helps to dissipate heat away from the cutting edge and prevent tool wear.
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High fracture strength and toughness: CVD diamond is a very tough material, which can resist chipping and breakage even under heavy cutting loads.
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Betterdimensional and thermal stability: CVD diamond is very stable at high temperatures, which helps to maintain its cutting performance even in harsh conditions.
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Orientation independent: CVD diamond is a polycrystalline material, which means that it does not have a preferred orientation. This makes it ideal for use in applications where the cutting tool is subjected to multiple orientations.
FAQ
What is the difference between cutting tool blanks fabricated by DC are Plamsa jet and those by other techniques?
What are the applications of CVD dimand cutting tools?
How to solve the problem of tight tolerances of forging blanks?
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4.6
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4.6
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4.9
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