Steel tube straightening machine
Straightening machine directly after rolling, drawing and heat treatment for coarse pose, to ensure that products shipped (by roller, transport machine and other equipment) can, it is necessary for completion of other finishing process. In rolling process, cooling the straightening the most reasonable. For coarse pose, usually choose chain jiao straight machine, roller and grooved roller straightening machine, and pipe transverse moving spiral roller straightening machine. Pipe fine correction and other finishing process, often take part in, has the intention is to make end products reach the demand conditions. Therefore, generally choose inclined roller, the rotor type, screw type, change of tensile type straightening machine and the pipe longitudinally moving spiral roller straightening machine.
It should be noted that all the straightening machine, simple analogy to eliminate pipe longitudinal twists and turns, and eliminate the ovality is very difficult. Ovality can only in a slanting roller and rotor type straightening machine is correct, because in the two kinds of straightening machine, pipe relative to the straightening roller of the reversal.
If straightening machine of original curvature of the pipe is too big, so, in the cold, in the process of correction is not able to completely eliminate curvature. So when establish pipe induction process engineering, it is necessary to rule when rolling and hot rolling pipe winding promised to scale. Serial number:
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