Regeneration of ultra-large raw material mill rollers through automatic meat overlay welding (external construction of the mill)

Introducing a case of regeneration through meat stacking welding of a super-large raw material mill conducted domestically!

In this construction, the work was carried out with the rollers removed from the mill, in conjunction with the maintenance of the roller bearings. In the installation situation within the mill, the rollers are supported by the upper structural members, but the removed rollers were fixed in a stable position with the supporting structure underneath. Simultaneous work on three rollers was conducted in the temporary work area outside the mill. After semi-automatic repairs were performed on the heavily worn rollers with wave-like wear, automatic hardfacing was carried out using a wire feeding speed automatic control system. Thanks to the technology adopted this time, it is now possible to perform external work on super-large mill rollers that have a significantly uneven wave-like wear surface. 【Construction Status】 ■ Roller removal ■ Transportation ■ Inversion and installation ■ Welding work *For more details, please refer to the PDF document or feel free to contact us.

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