Straightening roller for cold rolling of wide and thick plate and manufacturing method thereof
The invention discloses a straightening roller for cold rolling of a wide and thick plate and a manufacturing method thereof. The straightening roller is solid, length of the roller body is 5-7m, and ratio of length to diameter is 15-30. The manufacturing method includes steps: transversely placing...
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| creator | SHEN XINQUN WAN JINMING DING HUI ZHANG QING DUAN HONGBO |
| description | The invention discloses a straightening roller for cold rolling of a wide and thick plate and a manufacturing method thereof. The straightening roller is solid, length of the roller body is 5-7m, and ratio of length to diameter is 15-30. The manufacturing method includes steps: transversely placing a solid roller blank of MC5 material with length of 5-7m and ratio of length to diameter of 15-30, carrying out rough lathing and modified heat treatment to make bending deflection of the roller bland less than 2mm; carrying out quenching by using a intermediate frequency induction heating quenching device, wherein temperature is from 980 DEG C to 1050 DEG C, and a central rack is used for supporting the roller body in the quenching process; carrying out low-temperature tempering with temperature from 110 DEG C to 150 DEG C; and carrying out grinding processing during which two coordination racks are used for supporting the roller body. The yield strength of the straightening roller of the present invention can rea |
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The straightening roller is solid, length of the roller body is 5-7m, and ratio of length to diameter is 15-30. The manufacturing method includes steps: transversely placing a solid roller blank of MC5 material with length of 5-7m and ratio of length to diameter of 15-30, carrying out rough lathing and modified heat treatment to make bending deflection of the roller bland less than 2mm; carrying out quenching by using a intermediate frequency induction heating quenching device, wherein temperature is from 980 DEG C to 1050 DEG C, and a central rack is used for supporting the roller body in the quenching process; carrying out low-temperature tempering with temperature from 110 DEG C to 150 DEG C; and carrying out grinding processing during which two coordination racks are used for supporting the roller body. 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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | Straightening roller for cold rolling of wide and thick plate and manufacturing method thereof |
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