Products Lab Consumables & Materials CVD materials CVD Diamond Cutting Tool Blanks for Precision Machining
CVD Diamond Cutting Tool Blanks for Precision Machining

CVD materials

CVD Diamond Cutting Tool Blanks for Precision Machining

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.

Cutting Tool Blanks

Cutting Tool Blanks

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:

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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:

  • 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.

  • 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.

  • 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.

  • High fracture strength and toughness: This makes CVD diamond tools more resistant to chipping and breakage, even under heavy cutting loads.

  • 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.

  • 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

  • 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.

  • Low friction coefficient: This reduces the amount of heat generated during cutting, which can help to prevent workpiece damage and improve surface finish.

  • Perfect thermalconductivity: CVD diamond has a very high thermalconductivity, which helps to dissipate heat away from the cutting edge and prevent tool wear.

  • High fracture strength and toughness: CVD diamond is a very tough material, which can resist chipping and breakage even under heavy cutting loads.

  • Betterdimensional and thermal stability: CVD diamond is very stable at high temperatures, which helps to maintain its cutting performance even in harsh conditions.

  • 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?

Cutting tool blanks fabricated by DC are Plamsa jet usually have a higher than those by other techniques even at a relatively high growth rate, which is more suitable for heavy load and high-speed cutting operations.

What Is CVD Diamond Machine?

A CVD diamond machine is a device used to produce synthetic diamonds through a process called Chemical Vapor Deposition (CVD). This process involves the precipitation of chemical vapors to create a diamond, which has properties that are equivalent to natural diamonds. CVD diamond machines including filament-assisted thermal CVD, plasma-enhanced CVD, and combustion-flame assisted CVD etc. The resulting CVD diamonds are useful in the cutting tools industry due to their high hardness and long-lasting tool life, making them an important and cost-effective tool for cutting non-ferrous materials.

What Are The Applications Of CVD Dimand Cutting Tools?

CVD dimand cutting tools are ideal for cutting non-ferrous materials, ceramics, abrasive composites, high-silicon-content aluminuim, graphite and other materials that are difficult to machine.

How Does A CVD Diamond Machine Work?

CVD diamond machines work by introducing a mixture of gases, typically methane and hydrogen, into a vacuum chamber. The gases are then activated using a variety of techniques such as microwave plasma or hot filament, which breaks down the molecules and releases carbon atoms. These carbon atoms then settle on the substrate, building up layer by layer to form a synthetic diamond.

How To Solve The Problem Of Tight Tolerances Of Forging Blanks?

Machining is necessary to solve the problem, and the primary machining tools are the CNC lathe and CNC. CNC is used for precise and expensive machining while the CNC lathe is used for simple machining.

What Are The Advantages Of Using CVD Diamond Machines?

CVD diamond machines offer several advantages over other methods of diamond production. Firstly, they allow for the creation of high-quality, near-flawless diamonds with precise control over their shape, size, and clarity. These machines also enable the production of diamonds with specific properties, such as color or electrical conductivity, by introducing appropriate dopant gases during the deposition process. Additionally, CVD diamond machines are more environmentally friendly compared to traditional diamond mining, as they minimize the social and environmental impacts associated with diamond extraction.

What Considerations Should Be Made When Selecting A CVD Diamond Machine?

When selecting a CVD diamond machine, several factors should be considered. Firstly, the size and capacity of the machine should align with the intended production requirements. The deposition chamber size should accommodate the desired substrate dimensions and allow for scalability. The control and automation capabilities of the machine should also be assessed to ensure ease of operation and reproducibility. Additionally, the machine's heating and activation methods should be evaluated for efficiency and uniformity of diamond growth. It is also important to consider the availability of technical support, maintenance services, and the overall cost of ownership. Consulting with manufacturers and experts in the field can help in selecting the most suitable CVD diamond machine for specific production needs.

What Are The Common Applications Of Diamonds Produced By CVD Diamond Machines?

Diamonds produced by CVD diamond machines have a wide range of applications. They are commonly used in jewelry, as they offer the same beauty and durability as natural diamonds. CVD diamonds are also highly valued in industrial applications, such as cutting tools, abrasives, and heat sinks, due to their exceptional hardness and thermal conductivity. They are used in the electronics industry for high-performance electronic devices, such as high-power transistors and radiation detectors. CVD diamonds are also finding applications in the medical field, including surgical tools, optical components, and as coatings for implants due to their biocompatibility.
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4.9

out of

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4.8

out of

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4.7

out of

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4.6

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4.9

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4.8

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4.6

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4.9

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4.8

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4.7

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4.6

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4.9

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4.8

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4.7

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4.6

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4.9

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4.8

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4.7

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4.6

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