ZLCONN Tricone Rock reamer
Replaceable teeth wheel rock reamer suitable for large HDD Machine trenchless pipe laying large diameter trenchless construction, suitable for a variety of rock formations, reaming diameter range up Φ300-2200mm.
Wheel body and the body connection reliable, easy disassembly, does not require large-scale special hydraulic equipment, artificial wrench can be convenient to replace the wheel body.
The same body can be reused, you can also install different specifications of the wheel, under normal circumstances can be replaced four different size of the wheel body, which can be carried out with a body of four sizes aperture hole construction, greatly saving construction costs.
ZLCONN Tricone Rock reamer Options
| IADC | Rock formation | WOB (KN/mm) | PRM(r/min) |
| 415/425/435 | Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone, conglomerate etc | 0.35~0.90 | 140~70 |
| 447 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. | 0.35~1.00 | 140~60 |
| 517 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc | 0.35~1.05 | 120~50 |
| 527 | Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. | 0.35~1.05 | 120~50 |
| 537/547 | Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. | 0.50~1.05 | 110~40 |
| 617/627 | High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. | 0.50~1.05 | 80~40 |
| 637/647 | High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
ZLCONN Advantages:
1.Advanced technology&Equipment, International standard.
2.R&D center for rock drilling tools, high precision CNC machines, API&ISO Certified.
3.10+ Years & 35 Countries service experience.
4.Optimized solutions for various of requirement.
ZLCONN Services
1. We supply good quality goods at competitive price.
2. We not only have our own design but also accept customization.
3. Fast and on time delivery.
4. Every bit has it’s quality assurance.
5. Contact us anytime if you have any question with bits.
6. 24 hours on time reply.



