AN EMPIRICAL MODEL FOR THE DRILLING PERFORMANCE PREDICTION FOR ROLLER ...

Yueyang air compressor screw type model list

Yueyang air compressor screw type model list

Let me explain how a rotary screw element is built up. See this example picture of an oil-free screw element. Compressor element (oil-free type). Photo: Atlas Copco Of course, we see the two rotors (male rot. [pdf]

Dry pneumatic down-the-hole drill model

Dry pneumatic down-the-hole drill model

The utilization of pneumatic DTH hammer drilling is the most efficient approach to rescue miners. The previous DTH hammer's impact model was simplified and the analysis of impact parameters was incomplete, hi. [pdf]

Copt screw air compressor model

Copt screw air compressor model

G 30-45 and G 55-75, Atlas Copco brings the power and durability of an industrial screw compressor to any type of small or medium sized industry. Rugged screw compressor technology for a 100% continuous duty cycle. [pdf]

Power Your Operations With Reliable Mining Equipment?

We are a leading manufacturer of drilling rigs and air compressors for mining and construction industries.