Principle

Air leg rock drill is one of the modern rock drill tools, it is easy to operate. The silencer attached to the gas leg drill can change the exhaust direction at will, reduce the noise and improve the w

Working principle of hydraulic drill: this drill is mainly composed of oil supply and distribution system, energy storage system, energy conversion system, vibration reduction and support system, and

When the butterfly valve closes the return air inlet on the seat and opens the stroke air inlet, the compressed air enters the

The rock drill machine''s work adhere to the principle of impact crushing. When the high frequency piston reciprocating motion, continue to impact drill tail. The impact force under the action of a wed