When using roller drill bit core barrel drilling, the perfect vibration is a small high-frequency vibration. Not only does not damage the roller drill bit, but also the longitudinal impact it produces can speed up the penetration rate. In contrast:
How to speed up the penetration rate of roller drill bit core barrel Read More »
Piling Bit
The core barrel roller bit welding method is divided into three steps: 1. cutting, 2. positioning, 3. welding. A good roller bit welding method can improve work efficiency. The core barrel roller bit welding angle is also a factor that affects the service life of the roller bit.
Core barrel roller bit welding method Read More »
Piling Bit
Bored pile roller bit crushes rocks evenly and efficiently, has low construction cost and good hole quality compared to bullet teeth drilling. 1. When the pile roller bit works at the bottom of the pile foundation hole, it not only revolves around the rotary drill rod column, but also rotates around the bored pile roller bit mandrel. Its rotation
The drilling principle of the bored pile roller bit Read More »
Piling Bit