Roll repairing method

Abstract

The invention discloses a roll repairing method which is used for repairing a medium-and-small sized bar and wire roughing mill roll. A device for implementing the method comprises a roll and a bearing seat which is installed on the roll. The roll repairing method includes that step one, the roll and the bearing seat are simultaneously lifted on a roll machine tool, and the bearing seat is fixed; and step two, a roll lathe is started to repair the roll. During the step one, the roll and the bearing seat are simultaneously lifted on the roll machine tool to process the roll, the disassembly operation for the bearing seat is not required, and the problem that assembly and disassembly of the roll are complicated caused by the fact that the roll is required to be disassembled from the bearing seat during the repairing process for the roll in prior art can be solved.

Description

Technical field [0001] The invention relates to the technical field of roll processing, in particular to a roll repair method. Background technique [0002] Roller is a tool for plastic deformation of (rolled material) metal, and is an important consumable part that determines the efficiency of the rolling mill and the quality of the rolled material. Rolls are important parts of rolling mills in steel rolling mills. They use the pressure generated by a pair or a set of rolls to roll steel. It is mainly affected by dynamic and static loads, wear and temperature changes during rolling. Due to the squeezing effect of the roll on the metal, the surface of the roll will inevitably be damaged or deformed after a period of use. Therefore, during the life cycle of the roll, multiple repairs are required. [0003] In the prior art, the repairing work of rolls mostly adopts turning repair technology. Turning repair mainly uses turning tools to turn the rotating roll. The specific steps of ...

AI Technical Summary

Problems solved by technology

In order to re-turn the roll body, in the process of dismantling the bearing seat many times, due to the large volume and heavy weight of the roll, the operation of the bearing seat is complicated and difficult to disassemble. A little carelessness will damage the seal, damage the bearing, and expand the loss

[0005] In summary, how to solve the complex disassembly and installation of the roll caused by the need to remove the roll from the bearing seat in the process of repairing the roll in the prior art has become an urgent problem to be solved by those skilled in the art

Images