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《Gangtie》 1984-10
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A STUDY ON THE ROIXING LOAD IN THE UNSYMMETRICAL ROLLING PROCESS ON A 5-HIGH COLD STRIP MILL WITH WORK ROLLS OF DIFFERENT-DIAMETERS

Wang Tingpu Li Shengzi Wang Hangwen(Northeast Institute of Technology)Chen Xigang Zhang Jinchuen(Shenyang Cold Strip Rolling Plant)Chen Changyong(Energy Source Research Institute of Heilongjiang Province)  
Through experimental study and theoretical analysis the main results obtained are as follows:(1) Owing to the drop of the specific roll pressure and the reduction of the contact area betweenthe metal and the rolls,rolling load decreases significantly with the decrease in diameter of onlyone of work rolls.The pressure drop is primarily attributable to the increase in the angle of bite,which eventually weakens the compressive state of stress to such an extent as to make the specificroll pressure (P) even less than the natural flow resistance of the metal (K),(2) Formulae for ca-lculating the roll pressure in the unsymmetrical rolling process have been (derived and verified byexperiments,(3) In strip rolling on the 5-High cold mill with different-diameter work rolls roll spe-ed mismatch ratio (V_1-V_2)/V_2 is less than 1%,the effect of which is negligible.
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【References】
Chinese Journal Full-text Database 3 Hits
1 Wang Xianghong; Li Shengzhi ; Hu Baoming; Peng Xianting;Asymmetrical Hot-Strip Rolling Process on a 3-High Millwith Rolls of Different Diameters[J];JOURNAL OF NORTHEASTERN UNIVERSITY;1995-01
2 WANG Xianhong;CHEN Changyong(Northeastern university);STUDY ON THE DRIVING TORQUE ON UNSYMMETRICAL ROLLING MILL WITH DIFFERENT DIAMETER WORKROLLS[J];IRON AND STEEL;1995-05
3 Wang Xianghong; Zhang Jimin (Northeastern University);RESEARCH ON ROLLING FORCE AND TORGUE CHARACTER OF DIFFERENT ROLL DIAMETER STRIP ROLLING MILL DRIVEN BY SINGULAR ROLL[J];Steel Rolling;1995-04
【Citations】
Chinese Journal Full-text Database 1 Hits
1 Wang Tingpu; Li Shengzi; Wang Hangwen Northeast Institute of Technology He Jisheng The Cold Rolling Plant, Aushan Iron & Steel Company;STUDY ON CONDITIONS OF ROLLING STABILITY AND FORCES ACTING ON THE ROLLS IN THE UNSYMMETRICAL ROLLING PROCESS[J];Gangtie;1982-01
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 Wang Xianghong; Zhang Jimin (Northeastern University);RESEARCH ON ROLLING FORCE AND TORGUE CHARACTER OF DIFFERENT ROLL DIAMETER STRIP ROLLING MILL DRIVEN BY SINGULAR ROLL[J];Steel Rolling;1995-04
【Co-references】
Chinese Journal Full-text Database 3 Hits
1 Lin Dawei Pan Dawei Zhu Quan;AN EXPERIMENTAL INVESTIGATION ON ROLLING LOAD IN CROSS SHEAR COLD-ROLLING FOR ULTRA-THIN STRIPS[J];;1983-02
2 Zhang Jimin, Wang Tingpu and Li Shengzhi;ROLLING LOAD AND TORQUE IN STRIP COLDROLLING USING DIFFERENT DIAMETER ROLLS BUT DRIVEN BY A SINGLE ROLL[J];;1985-02
3 Wang Tingpu; Li Shengzi; Wang Hangwen Northeast Institute of Technology He Jisheng The Cold Rolling Plant, Aushan Iron & Steel Company;STUDY ON CONDITIONS OF ROLLING STABILITY AND FORCES ACTING ON THE ROLLS IN THE UNSYMMETRICAL ROLLING PROCESS[J];Gangtie;1982-01
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 CAO Li hua,LIU Yan min (Laiwu Iron and Steel Group Co ,Ltd ,Laiwu 271104,China);Technical Measure's Determination and its Theoretical Analysis of Rolling Thin Strip by Different Diameter and Different Step Process[J];SHANDONG METALLURGY;2000-01
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