Operation steps of Connecting the Drill Pipes
1. When a drill pipe needs to be added to the depth of one drill pipe after drilling, first stop advancing, then stop rotating, and turn off the cooling water;
2. Operate the gripping handle to make the gripper clamp the drill rod, and open the fine adjustment flow valve (right-handed);
3. The gyrator reverses, and at the same time, retreat the feed cylinder to rotate the water braid shaft and the drill rod away;
4. Stop the rotation and operate the fast forward and retreat handle to the fast backward position, so that the chuck can be quickly retracted into place;
5. Connect the drill pipe to be added to the previous drill pipe, and the gyrator moves forward while screwing. When the trapezoidal taper thread of the water braid shaft is in contact with the taper thread of the newly added drill pipe, immediately manipulate the gripper hand Handle and loosen the holder to complete the drill pipe joining.
