Dry roller (core shaft)

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Summary: In the rolling process of the steel industry, dry rolls (mandrels) are specially designed roll components mainly used in seamless steel pipe rolling (such as Assel rolling mills, Accu-Roll rolling mills, etc.) and the production of some special profiles. Its core function is to reduce the wall thickness, extend and shape the hollow tube blank through a lubrication-free, high-temperature direct contact method.

Specializing in the production of metallurgical steel industry continuous casting machinery and equipment bearing, continuous casting rolls and other roll parts series and small rolling mill bearing series products

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In the rolling process of the steel industry, dry rolls (mandrels) are specially designed roll components mainly used in seamless steel pipe rolling (such as Assel rolling mills, Accu-Roll rolling mills, etc.) and the production of some special profiles. Their core function is to reduce the wall thickness, extend, and shape hollow billets through a lubrication-free, high-temperature direct contact method.

The working process of dry rolls (mandrels) is crucial to material quality and production efficiency. Under high-temperature and high-pressure conditions, dry rolls, with their high-precision design and high-quality materials, ensure the surface finish and dimensional accuracy of the inner and outer walls of the steel pipes, reducing the need for subsequent processing. In addition, the lubrication-free rolling method not only simplifies the production process and reduces production costs but also helps improve the overall stability and service life of the rolling mill. It is worth noting that the application of dry rolls has also promoted the development of new, high-strength steel materials, as these materials often need to maintain good plasticity and ductility at high temperatures to adapt to complex rolling deformation. With continuous technological advancements, the design and materials of dry rolls are constantly being optimized to meet a wider range of rolling needs and higher production efficiency standards, providing strong technical support for the innovative development of the steel industry.

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