Morgan close-top rolling mill: Features: closed frame structure, firm and hard to be deformed; Quick adjusting for electric screw-down of upper roller, easy-operating for hydraulic lateral movement and fastening lock of four cylinders; Small inside and big outside windows of mill stand is convenient to change roller. Close-top rolling mill stand is made of a single-casting. Thin kind of stand is mainly used to small and medium size rolling mill. It is characterized with high intensity and rigidity, small roller jumping value, high precision of products. Close-top rolling mill stand is generally applied to steel production line required higher rolling pressure and precision.
Pre-stressed path rolling mill: Before rolling, the prestressing force is applied to the rolling mill, which can offset the deformation of a part of the mill during rolling and improve the rigidity of the rolling mill. This type of mill is called a Prestressed Rolling mill. Applying the prestressing force to the rolling mill makes the rolling mill in the stress state before rolling. When rolling, under the action of rolling force, the working frame of rolling mill and the parts on it must produce elastic deformation. Rolling base elastic deformation is mainly composed of the following parts: elastic elongated frame column, beam bending elasticity, compression pressure screw and nut elastic compression, bearing and bearing elastic, elastic bending and roll elastic flattening. Furthermore, the rigidity of the rolling mill is enhanced and the dimensional accuracy of the rolling product is improved.
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