Roller of three-roller planetary rolling mill
A planetary rolling mill and roll technology, which is applied in the direction of roll, metal rolling, metal rolling, etc., can solve the problems of billet deformation, unspecified, unstable pitch uniformity of rolled pipes, etc., and achieve uniform and stable pitch, and use The effect of life extension
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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] Such as Figure 1 to Figure 4 As shown, the roll of the three-roll planetary rolling mill in this embodiment, the roll 1 is basically conical, and the roll 1 is divided into five areas from the tail to the head, which are sequentially: feeding area S, deformation area S1, process In zone S2, sizing zone S3 and discharge zone S4, on the conical surface of roll 1 in deformation zone S1, there are annular concave-convex lines 12 distributed radially and at intervals, and the axial projection of the concave-convex lines 12 is The oblique line 11 formed is a sinusoidal curve, and the axial projection is the vertical axis of the roll rotation axis. The vertical distance h between the peak and the concave corner of the concave-convex lines 12 is 0.5 mm, and the width P of the concave-convex lines is 2.932 mm, and the intersections between the...
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