Abstract
The article considers the application of rotatory rolling of the external surface of a long thin-wall pipe. The author studied the possibility of correcting the form of a thin-wall pipe outer diameter by means of rotatory rolling with cylindrical rollers having a rectilinear generator and set for a self-tightening angle with a simultaneous decrease of the processed surface roughness. Further, the author provide a photo of the measuring device used to define the circular deviation of a thin-wall pipe surface. A polar diagram of the pipe surface as-delivered and its profile record were made. The article provides a photo showing the adjustment process of a rotatory reeling machine with three deformation rollers for treating long thin-wall pipes in the system of a general purpose lathe. The experiment results are presented in the form of a polar diagram and the treated surface profile record. It is shown that after rotatory rolling the circular deviation decrease to 0,1 mm while the surface roughness decreased from Ra 1,83 um to Ra 0,23 um.
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