Who is Guizhou sinodrills?

Guizhou Sinodrills Equipment Co., LTD (hereinafter referred to as Sinodrills) is an international market-oriented enterprise dedicated to providing a comprehensive solution for rock drilling tools. Its predecessor, DVY International, was established in 2002 and was registered as Guizhou Sinodrills Equipment Co., LTD in 2006.

Where will Guizhou sinodrills participate in expomin 2025?

As China’s No.1 exporter of rock drilling tools, Guizhou Sinodrills will participate in Expomin 2025, taking place from April 22–25, 2025, at the Espacio Riesco Convention Center in Chile, Santiago in Booth Hall 1-F68. From April 7 to 13, 2025, the global construction machinery industry event BAUMA 2025 was held in Munich, Germany.

How sinodrills DTH drill pipe works?

Sinodrills DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.

What does a DTH hammer do in a drill rig?

The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down hole drilling tools. The DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

What is a DTH drill rig?

The “DTH” is the abbreviation of “Down The Hole” and sometimes it is also called “RAB” in some markets, then the “RAB” is short for “Rotary Air Blasting”. A rotation drill rig, air compressor and the “DTH drill string” are the essential unit for DTH drilling while the “DTH drill string” is always made up of DTH drill rods, DTH hammer and DTH bits.