1. Big hole design, chip space is big, high drilling efficiency in soft rock.
2. Cutting free surface, sharp blade, with self-sharpening feature, high drilling efficiency.
3. High resistance to wear.
4. According to stratum characteristics, selecting different drilling and surface structure, bit strong adaptability.
5. High effective utilization rate of drilling time and auxiliary time is short, effectively reduce the labor intensity of workers and good comprehensive benefits.
PDC Bit is a full-scale drilling bit, mainly be used in construction ,mining, geology, coal, water conservancy and hydropower, highway, high speed railway and bridge etc.
| line number |
Specification （mm） |
Drilling procedure parameters | ||
| Drill pressure | Rotating speed | pump volume | ||
| 1 | 28 | 300-700kg | 300-350rpm | 150-200/min |
| 2 | 30 | 300-700kg | 300-350rpm | 150-200/min |
| 3 | 32 | 300-700kg | 300-350rpm | 150-200/min |
| 4 | 48 | 300-700kg | 300-350rpm | 120-160/min |
| 5 | 56 | 320-800kg | 250-350rpm | 130-180/min |
| 6 | 75 | 480-1200kg | 200-300rpm | 150-200/min |
| 7 | 94 | 640-1600kg | 150-250rpm | 200-250/min |
| 8 | 110 | 880-2200kg | 120-200rpm | 200-300min |
| 9 | 152 | 1500-3000kg | 100-200rpm | 500-850/min |
| 10 | 190 | 1800-4000kg | 100-200rpm | 600-1200/min |
| 11 | 230 | 2200-4500kg | 100-120rpm | 750-1400/min |
| 12 | 270 | 2400-5000kg | 100-120rpm | 1000-1500/min |