What should you pay attention to when drilling rock with a rock drill?

In order to improve rock drilling efficiency, reduce or timely discover faults during rock drilling, the following operational principles should be followed:

First, the eye position must be accurate, the direction of the eye should be cold, and the angle of the air leg should be accurate;

Second, the drill rod and the rock drill to be held in a straight line;

Third, the rock drill , gas leg (or propulsion device) should work smoothly;

Fourth, change the rock drilling position, change the air leg erection angle and replace the drill rod;

5. Concentration of ideas, concentration of energy, and concentration of time;

Sixth, look at the blasthole eye is round, diligently see whether the drill rod is turned in the center of the blasthole, diligently see if the discharged rock powder is normal, and see if the rock drill is working normally;

7. Listen carefully to the operation sound of the rock drill, determine whether the shaft thrust, wind pressure and lubrication are normal, listen to the sound of the hole, and determine whether it encounters faults and joints.

8. Regularly adjust the amount of water, air volume and air leg angle.

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