Diamond coating
- 100% pure diamond coating.
Suitable for nonferrous metals,nonmetals
Long tool life
- The tool life is 10 times of conventional carbide drill in drilling high silicon aluminum
Precision
- It is possible to acquire excellent surface roughness
Series
- Diamond Coated Drill
- Diamond Coated FF Drill
Mechanism of Diamond Coating
 |
Growth Process of Diamond Film
 |
|
Growth process of Diamond film is called as Volmer-Weber type and generally increase its thickness by birth and growth of core repeatedly. |
100% pure diamond coatingApplicable on unique cutting edgeApplicable on Micro tool |
 Cross section photo of diamond film |
Work materials of Diamond Coated tools
 |
Comparison of Drilling accuracy
|
||||||||||||||||||
 |
||||||||||||||||||
Performance of drilling High silicone
 |
|
||||||||||||||
Performance of drilling MMC
 |
|
||||||||||||||
Examples
| Drill Diameter | Material | Comparison of Tool Life | Drilling Condition | |||||||
| Convertional Carbide Drill | Diamond-Coated Drill | |||||||||
| 2.5 | ADC12 (Al-12%SiAlloy) |
20,000 Holes |
258,000 Holes |
|
||||||
| 6.0 | A390 (Al-17%SiAlloy) |
100 Holes | 2,300 Holes |
|
||||||
| 3.0 | GFRP | 3,000 Holes | 30,000 Holes |
|
||||||
| 1.5 | Pre-Sintered WC-Ceramics |
100 Holes | 14,000 Holes |
|
||||||
| 2.0 | Pre-Sintered Al2O3-Ceramics |
Half Day to 3 days |
More than 3 months |
|
||||||
Drilling by Diamond Coated Drill
 |
|
||||||||||||||