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The large hollow plunger roller belongs to a kind of large roller. The rolled steel grade is the key element for selecting the roll. Its deformation resistance changes with the chemical composition of the blank, which is mainly reflected in the load and change of deformation in each stage of rolling. It is necessary to select the roll according to the confirmed strength and hardness.




There are many kinds of rolling mills producing long products. Therefore, the selection and layout of rolling mill type, the selection of roll raw materials and the determination of roll size. Facing the rapid development of iron and steel industry, China's roll manufacturing enterprises continue to increase capital investment planning and accelerate the pace of skill transformation. The transformation of skill allocation has not only greatly improved the internal quality of rolls in China, but also directly promoted the progress of roll manufacturing skills. The centrifugal casting technology is widely used in China and has become an advanced casting technology.




The rolled steel grade is the key element for selecting the roll. Its deformation resistance changes with the chemical composition of the blank, which is mainly reflected in the load and change of deformation in each stage of rolling. It is necessary to select the roll according to the confirmed strength and hardness.




Before selecting the appropriate roll to achieve the added production rate and improve product quality, it is necessary to fully understand the types and configuration of various rolling mills, which is also a very important step to correctly select the roll to meet the production requirements.

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Large hollow plunger roller

Large hollow plunger roller