1. Use rollers or brackets to level up the pipe, adjust the concentricity, use the fixture to correct the pipe out-of-roundness, and leave the welding distance.
2. Check and adjust the data of the welded pipe to be consistent with the actual situation on the Linfei mechanical welder (pipe diameter, SDR, color, etc.)
3. Milling the pipe welding surface, milling enough thickness to make the welding end surface smooth and parallel, and it is qualified to reach 3 continuous circles.
4. The amount of misalignment of pipe alignment is less than 10% or 1mm of the wall thickness of the welded pipe; it must be milled again after re-clamping.
5. Place the heating plate, check and adjust the heating plate thermometer (210 degrees Celsius), when the raised height of the circumferential edge of the welding on both sides of the heating plate reaches the specified value, under the condition of ensuring that the heating plate and the welding end face are in close contact.
6. Switch the butt joint, take out the heating plate when the specified welding time is reached, quickly weld the pipe surface and apply pressure.
7. After the cooling time is reached, turn the handwheel to loosen the clamp and disassemble the welded pipe fittings.
