JPS6296902U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a front view of the caliber roll of the present invention, Fig. 2 is a diagram showing the relationship between the chamfer amount mm and dog bone height mm (one side) when chamfer rolling is performed using the caliber roll of the present invention and the conventional caliber roll. Fig. 3a is a partial front view of a caliber roll of the present invention having an arcuate second-stage caliber, Fig. 3b is a partial front view of a roll of one modification of Fig. 4a, and Fig. 4a 5 is a front view of the slab, FIG. Figure 5b is a plan view including the elevation of the rolled material, in which both side surfaces of the rolled material parallel to the rolling direction of the rolled material are chamfered before rolling in order to avoid the disadvantages of the rolling material. FIG. 6 is a plan view showing a state in which a chamfer remains after rolling the material to be rolled, and FIG. 6 is a front view of a conventional chamfered caliber roll. 1, 4... Roll body, 2... Rolled material, 3...
...Dog bone, 5,5'...chamfered part.

Claims (1)

[Claims for Utility Model Registration] A horizontal V-shape for chamfer rolling the side edges of the slab used during the forming rolling during a series of slab rolling steps consisting of forming rolling, tentering rolling, and finishing rolling. In a vertical roll for slab chamfering rolling with a caliber attached: The angle of the horizontal V-shaped caliber attached to the roll with respect to a plane perpendicular to the roll axis direction is divided into at least two regions, and the center of the caliber is divided into at least two regions. A slab chamfer rolling vertical shaft, characterized in that the area is provided with a caliber having a conventional caliber angle, and both outer areas of the central area are provided with outwardly expanding calibers having an angle of 10 to 30 degrees. roll.