What drill bit to use for reverse circulation: analysis of hot topics on the Internet and practical guide
Recently, "reverse circulation drill bits" have become a hot topic in the field of engineering machinery, especially in infrastructure construction, mining and other scenarios. This article will combine the hot data of the entire network in the past 10 days to provide you with a detailed analysis of the key points for selecting reverse circulation drill bits and provide structured data reference.
1. Popular discussion focus on reverse circulation drill bits across the entire network
| Ranking | Topic keywords | heat index | Main application scenarios |
|---|---|---|---|
| 1 | Reverse circulation drill bit material | 8,542 | Hard rock formation construction |
| 2 | Drill tooth profile selection | 6,917 | Sand and gravel layer drilling |
| 3 | Drill diameter matching | 5,832 | Pile foundation engineering |
| 4 | Drill bit life comparison | 4,761 | Continuous operation scenario |
2. Core elements for reverse circulation drill bit selection
According to recent live broadcasts and technical white papers by industry experts, the following factors need to be considered when choosing a reverse circulation drill bit:
| Select dimensions | Recommended plan | Applicable conditions |
|---|---|---|
| Formation type | Alloy steel drill bit | Medium to hard rock formations |
| Drilling depth | Spiral blade drill bit | Deep hole above 50m |
| Bore size requirements | Adjustable drill bit | φ800-1500mm |
| Construction efficiency | Multi-tooth compound drill bit | Need to make holes quickly |
3. Latest drill bit technology trends
The innovative technologies disclosed at recent industry exhibitions are worthy of attention:
1.Nano coating technology: A brand’s newly launched TiN-coated drill bit has a 40% increase in wear resistance and has become a popular popular science content on Douyin
2.Modular design: Kuaishou Construction Machinery anchor’s actual measurement shows that drill bits with replaceable tooth blocks can reduce usage costs by 30%.
3.Intelligent monitoring system: The drill bit with sensor displayed by the UP master of Station B can transmit wear data in real time.
4. Practical case reference
| Project type | Use drill bit specifications | Average footage (m/day) |
|---|---|---|
| Cross-sea bridge pile foundation | φ1200mm alloy drill bit | 18.6 |
| mine blast hole | φ250mm conical drill bit | 32.4 |
| Urban pipe gallery project | φ800mm combination drill bit | 24.3 |
5. Maintenance points
Organized based on Zhihu’s popular questions and answers:
1. After each use, pleaseClean water holes, to prevent mud crystallization and clogging
2. Regular inspectionAlloy tooth looseness, the torque should be controlled within 300N·m
3. Recommendations for storagehanging placement, to avoid pressure damage to alloy teeth
6. Procurement suggestions
Combined with the transaction data of the 1688 platform in the past 7 days:
| Specification | Average price (yuan) | sales increase |
|---|---|---|
| φ600mm standard type | 8,200-12,000 | +15% |
| φ1000mm reinforced type | 18,000-25,000 | +22% |
| Customized special-shaped drill bits | Negotiable | +8% |
It is recommended to give priority to3 free grinding servicesSuppliers can reduce long-term use costs by about 17%.
Conclusion:The selection of reverse circulation drill bits requires comprehensive consideration of geological conditions, construction requirements and economic benefits. It is recommended to regularly pay attention to new technology trends in the industry, and consult professional drilling tool engineers for customized solution design when necessary.
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