5. Send the drill: concentrate, and send the drill by clicking or sliding. It is required to feed the drill evenly, look at the weight indicator, and observe the lowering speed of the drum or drilling line at the same time, so as to keep up with the weight on bit without slipping. Do not pressurize the drill bit to start the drill disc.
6. Before connecting a single piece, gradually reduce the bit pressure to make the drill have the maximum extension margin, reduce the bit overpressure, and extend the use of the drill.
The above is a detailed introduction to some safety precautions for drilling rig equipment during drilling. It is very useful for many people to understand these knowledge.
