Oem Rotary Drilling Rig Components Drilling Teeth Construction Foundation
Drilling bucket teeth for construction
Bucket tooth is a typical cutting and drilling method. It is a linear tool, which can drill through cutting plastic loose geology with the tooth edge. Generally, the width of the tooth tip is 54mm ~ 87mm, and the lower the geological strength, the deeper the depth of the tooth tip cutting into the formation. Selecting the wide and long tooth body can increase the cutting flow and prevent the undercutting; With the increase of geological strength, the cutting depth of the tooth tip will become shallower, the length of the tooth body can be reduced to eliminate the problem of the bottom, and the strength of the tooth body can be enhanced. Reducing the width of the tooth body can reduce the cutting resistance and improve the cutting ability.
Hardness: 50-54 or higher HRC
Product Advantages
| Material | Tungsten carbide alloy |
| Various hardness available | The most cost-effective teeth can be recommended according to various hardness and formations as per customer needs ； |
| Many choices of teeth shape | Wear-resistant weld, bar, point, dot, thread, smooth and other appearances; diversified appearances to meet different customer needs; |
| Inventory | Large inventory and spot supply; |
| Production workshop | Videos and pictures of the manufacturing process provide visible details and quality; |
| Working Performance | Comparison of working photos of domestic, international and Unicorn teeth under same construction, Unicorn teeth have better performance after use; |
| Package | Plastic boxes, unified wooden box with reinforced with sealing strips etc; |
ROLLER BITS IADC CODE SELECTION
| IADC | WOB | RPM |
| (KN/mm) | (r/min) | |
| 111/114/115 | 0.3-0.75 | 200-80 |
| 116/117 | 0.35-0.8 | 150-80 |
| 121 | 0.3-0.85 | 200-80 |
| 124/125 | 180-60 | |
| 131 | 0.3-0.95 | 180-80 |
| 136/137 | 0.35-1.0 | 120-60 |
| 211/241 | 0.3-0.95 | 180-80 |
| 216/217 | 0.4-1.0 | 100-60 |
| 246/247 | 0.4-1.0 | 80-50 |
| 321 | 0.4-1.0 | 150-70 |
| 324 | 0.4-1.0 | 120-50 |
| 437/447/435 | 0.35-0.9 | 240-70 |
| 517/527/515 | 0.35-1.0 | 220-60 |
| 537/547/535 | 0.45-1.0 | 220-50 |
| 617/615 | 0.45-1.1 | 200-50 |
| 637/635 | 0.5-1.1 | 180-40 |
| Note: Above limitts of WOB and RRPM should not be used simultaneously | ||
ROLLER PIN SIZE
| Bit Diameter | API PIN | |
| (Inch) | (mm) | |
| 3 7/8''~5 1/4'' | 98~134 | 2 3/8''. 2 7/8'' |
| 5 5/8''~6 3/4'' | 143!171 | 3 1/2'' |
| 7 1/2''~9 1/2'' | 190.5~241 | 4 1/2'' |
| 9 5/8''~13 3/4'' | 245~350 | 6 5/8'' |
| 14 5/8''~26'' | 371~660.4 | 7 5/8'' |
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