The scraping and rolling boring head is specialized in the processing of hydraulic cylinders, single-arm supports, and cold-drawn pipes, especially the processing of cold-drawn pipes, which is more than ten times more efficient than the usual honing processing. The boring head adopts reciprocating processing. Process, cutting allowance when feeding forward, rolling on the surface when rolling back, one-time forming, pneumatic brake inside the boring head, when rolling backward, it can realize pneumatic shrinkage, avoiding the inner hole of the blade during rolling, economical and practical , After rolling, the surface roughness can reach Ra0.02-0.2, and the surface hardness is doubled. The advantages of its back rolling are that the straightness of the boring head and the tool bar is good, thereby reducing the deformation and bending of the workpiece, and the machining accuracy is high.
