HQ3 Triple tube Surface set core bit More diamond and Higher penetration rates for soft formations
SURFACE SET CORING BITS
Surface set coring bits are typically used for higher penetration rates than impregnated bits in softer formations. They utilize a single layer of natural diamonds set in a hard matrix.
The choice of a Surface Set Bit will be dictated by the rock type. The diamond size, crown design and matrix hardness used will be determined by the hardness of the formation. The friability of the core will determine the type of fluid passages. The surface set bit provides a greater esure of diamonds than the impregnated bit and therefore faster penetration in soft formations.
Face Profiles of surface set core bit:
Semi-round: it is mostly used in the core bit with bit kerf thickness less than 11mm. It can drill various formations. The core bit with semi-round profile has long bit life, and can avoid damage; while the bit kerf thickness is over 11mm with semi-round profile can be applied in drilling abrasive formations.
Stepped profile: core bit kerf thickness over 11mm usually has this kind of profile. Bit with Stepped profile can obtain high penetration rate with good stability in drilling. However, it is not recommended in fractured very abrasive formations. When the core bit of bit kerf less than 11mm has stepped profile can facilitate drilling speed and have better drilling stability.
The matrix of our impregnated bits is designed to expose new diamonds to the bits' cutting face as wear occurs. Fast penetration rate is maintained as a result of this action.Our impregnated bits are manufactured to give optimum penetration rates and bit life, which is required to keep the cost of diamond drilling to a minimum.The optimum diamond size, concentration and matrix type are dependent on the hardness and abrasiveness of the formation to be drilled.
Matrix Selection Chart:
HQ3 Diamond Core Drill Bit product
| Product name | HQ3 Surface diamond bit |
| O.D diameter | 95.76/95.38mm |
| I.D diameter | 61.24/60.99mm |
| Matrix height | 10mm |
| Face Profiles | Stepped |
| Advantage | more diamond, higher penetration rates |
Surface set diamond core bit sheet
| Q Series | T2 Series | T6 Series | T6 Series |
| AQ | T2-46 | T6-76 | T6S-76 |
| BQ | T2-56 | T6-86 | T6S-86 |
| NQ | T2-66 | T6-101 | T6S-101 |
| HQ | T2-76 | T6-116 | T6S-116 |
| PQ | T2-86 | T6-131 | T6S-131 |
| NQ2 | T2-101 | T6-146 | T6S-146 |
| NQ3(NQTT) | / | / | / |
| HQ3(HQTT) | / | / | / |
| PQ3(PQTT) | / | / | / |
| Double tube surface |
| Size( surface exploration drill | Matric system(mm) | Imperial system( in ) |
| Hole diameter | Core diameter | Hole diameter | Core diameter |
| BQ | 60 | 36.4 | 2.36 | 1.43 |
| NQ | 75.7 | 47.6 | 2.98 | 1.88 |
| HQ | 96.1 | 63.5 | 3.78 | 2.5 |
| PQ | 122.7 | 85 | 4.83 | 3.34 |
| Triple tube surface |
| NQ3 | 75.7 | 45 | 2.98 | 1.78 |
| HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
| PQ3 | 122.7 | 83 | 4.83 | 3.27 |
Feature:
1. Significantly outperforms the successful Series range in drilling speed and bit life.
2. Protects the diamond from oxidation and surface degradation.
3. Inhibits the premature "pull-out" of the diamond.
4. Available in multiple standard configurations and selected on the basis of relative rock hardness and ground conditions.
Production Process:
Company Information:
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations. Our operations are based on the unique expertise of our people and knowledge with customer processes. Our portfolio includes: Consumables used in the mining and construction industries Equipment used in the mining and construction industries Spare parts used for the equipment we sell for the mining and construction industries Green technologies, such as products that reduce electric consumption or use alternate sources of energy (solar, wind, etc.)
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