1. The piston and drill bit weight ratio close to 1: 1, the effective role of a long time, help to improve rock crushing efficiency and extend tool life;
2. impactor with a check valve device can be in the water drilling blast holes;
3. The Centre exhaust slagging effect, reducing the duplication of broken rock;
4. impactor outer tube with a new hardening heat treatment process, improve the wear resistance;
5. The piston using shot peening process, to effectively improve the life of the piston;
6. The drill is equipped with a selection of high-quality alloy column, enhancing the impact of the life and drilling speed.
Features:
1. The hard alloy tooth material adopts high wear-resistant formula, and the broken tooth ratio is less than 2%
2. The trouser body is made of high-strength high-quality alloy. After advanced heat treatment process, the trouser break rate is less than 1%.
3. Adopting advanced CNC machining and advanced alloy tooth assembly technology, the tooth loss rate is less than 1%
| DTH drill bit features | Down-the-hole drill bit is a kind of drill bit used in combination with down-the-hole impactor, and the drilling operation is performed through the spline and the impactor. It is widely used in mining, quarrying, hydropower engineering, water well drilling, side pillar support, etc. It is divided into: low-pressure DTH drill bits, medium and high wind pressure DTH drill bits. Down-the-hole drill bits are used in conjunction with down-the-hole impactors, and have the characteristics of straight drilling, fast speed, and deep hole drilling. |
| DTH drill bit model | Low wind pressure DTH drill bits: 76 90 100 110 120 130 140 150 180 185 200 220 High wind pressure DTH drill bit: 115 127 138 152 165 178 195 203 216 240 254 304 |
| DTH impactor model: | Low wind pressure DTH impactor: CIR65 CIR70 CIR90 CIR110 CIR130 CIR150 CIR170 CIR200 High wind pressure DTH impactor: DHD340 DHD350 DHD360 DHD380 N125 SD12 |
Using industry-leading imported heat treatment technology, the hardness and toughness of the steel body are increased by 35% at the same time. The alloy teeth adopt professional overpressure sintering process, which greatly improves the strength of alloy teeth. Using high-quality imported steel as the product steel body, life expectancy is increased by 30%, and the steel body does not break. |
