The finishing work of the Drilling Tools Manufacturer after drilling and reaming and the matters needing attention when lifting the reaming bit:
1. The steps of lifting the reamer bit on the upper level are as follows:
(1) Operate the drilling rig to remove the last drill pipe connected to the reaming bit;
(2) Use special tools to connect the machine head and the reamer bit, and lower the reamer bit into the drill hole for a certain distance (it is appropriate that the uppermost end of the center tube of the reamer bit does not affect the disassembly of the rig), use the tool to expand the reamer bit Hang on the auxiliary beam of the foundation, and remove the coupling between the machine head and the reamer bit;
(3) Disassemble and put down the drill stand in the reverse order of installation to make it into a transport state and push away from the hole position;
(4) Use a crane or other lifting equipment to lift the reamer bit out of the hole and transport it on a flat car;
(5) Drilling should be tightly covered with steel plates or wooden boards to prevent accidents caused by people or objects falling into the holes.
2. The steps for disassembling the reaming drill bit horizontally are as follows:
(1) Operate the drilling rig to loosen the half-buckle distance of the screw connecting the reamer bit and the drill rod and insert it into the gap from both sides with a gasket;
(2) Use the pilot hole drilling method to attach the drill rod until the reamer bit is sent to the lower level;
(3) Use special tools to remove the reamer bit and place it on the prepared flat car;
(4) Raise and dismantle all drill rods by reaming drilling method;
(5) Remove the power supply and oil pipe;
(6) Disassemble and put down the drill stand in the reverse order of installation to make it into a transport state and push it away from the hole position.
3. Check the wear condition of the reamer cutter head, tool holder and hob, make a record, and report the completion of drilling to the relevant department.
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