235 drill bit

The working principle of the 235 drill bit: Compressed gas enters the impactor through the drill rod and is then discharged from the drill bit. The discharged exhaust gas is used to discharge debris The rotational motion of the impactor is provided by the swivel head, and the axial thrust is provided by the thruster, which is transmitted to the impactor through the drill rod The card drill sleeve is mainly used to transmit thrust and rotary motion to the drill bit The retaining ring controls the axial movement of the drill bit, while the check valve is used to prevent debris such as rock debris from entering the impactor when the supply of compressed air is stopped During the drilling process, the drill bit is pushed into the impactor and pressed onto the drill sleeve. At this time, the piston directly impacts the drill bit for rock drilling. When the drill bit is lifted off the bottom of the hole, it begins to blow forcefully