How does the pipe welding machine ensure the accuracy of welding?
The butt welding process of the welded pipe unit includes uncoiling, pinch feeding, straightening, shearing, guiding, butt welding, looper, alignment, etc. The process can be said to be complex and changeable. The first three steps of the welding process flow:
The specific butt welding process is:
1. After the coil is properly positioned, the left and right cone heads of the uncoiler can be inserted into the steel coil and rotate at the same time, and the lead head is sent to the pinch roller, the upper roller of the pinch roller is pressed down, and the steel coil trolley and the magnetic roller can return to in situ.
2. In order to make the spring steel strip run accurately, the uncoiler can move axially + 150mm as a whole before running. After starting the decoiler, the strip passes through the pinch rollers to the leveler equipped with dust removal.
3. The straightened spring steel strip is cut with sliding hydraulic shears on the head and tail of the strip (the cut strip head can be slid into the waste box immediately, and the cut strip tail can be collected online with the output device in a dedicated collection box on the outside).