What is Polycrystalline CVD Diamond?

CVD, called Chemical Vapor Deposition Method. Unlike conventional tungsten carbide or even sintered polycrystalline diamond (PCD), CVD diamond is a high-purity, binder-free diamond material synthesized through a low-pressure chemical reaction. This unique manufacturing process produces a dense, ultra-hard polycrystalline structure that is redefining the limits of precision machining.

Because the CVD crystal diamond is mostly white or transparent, it is also commonly known as "White Diamond".

Properties of CVD Crystal Diamond：

High purity, binder-free. It possesses extremely high hardness, low coefficient of friction, and ultra-high thermal conductivity; it is corrosion-resistant and does not readily react chemically with workpiece materials. It also exhibits a low coefficient of thermal expansion and excellent thermal stability.

What's the advantage of CVD Polycrystalline Diamond tools?

Extended tool life – Lasts 10–50 times longer than carbide and significantly longer than PCD in abrasive non-ferrous applications, reducing tool change downtime.
Superior surface finish & consistency – Often eliminates secondary operations such as grinding or polishing.
High-speed machining capability – Enables cutting speeds unattainable with other materials, boosting material removal rates.
Chemical purity – Binder-free nature makes it ideal for high-value components in medical, aerospace, and electronics industries where contamination is unacceptable.
Lower cost per part – Higher initial tool cost is offset by increased productivity and tool life, especially in high-volume or difficult-to-machine applications.

In summary, CVD polycrystalline diamond cutting tools represent a pinnacle in cutting tool technology for non-ferrous and non-metallic materials, especially for workpieces with significant tool wear, such as CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si >12%),etc. By harnessing the unique properties of pure diamond, they provide a combination of wear resistance, thermal management, and edge quality that enables machining strategies and part qualities that are simply unattainable with legacy tool materials.

1. CVD Crystal Diamond Turning Inserts

CVD Polycrystalline diamond Turning Inse

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

2.CVD Crystal Diamond End mills

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

3.CVD Crystal Diamond Ball Nose End mills

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

4.CVD Crystal Diamond Chamfering tools

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

5.CVD Crystal Diamond Outer Arc Milling Cutter

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

6.CVD Crystal Diamond External Arc Milling Cutter

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

7.CVD Crystal Diamond Internal Arc Milling Cutter

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized

8. CVD Crystal Diamond Plane Marking tools

High-grade Polycrystalline CVD diamond materials and sharped edges for end milling and side milling for CFRP, MMC,Cemented carbide (sintered), Silicon, High Silicon Aluminum (Si>12%) etc.
Can process the workpieces with significant tool wear machining.
High wear resistance, long service life.
Excellent price/performance ratio, great value for money
All sizes can be customized