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1¡¢ÔÚÔþ¹õ½»²æÇé¿öÏ£¬ÕâÑù·Òë¶ÔÂ𣺠under roll crossing conditions 2¡¢between 5m rolling mill screwdown device and backup roll (BUR) bearing chock ¶Ô»¹ÊÇbetween screwdown device of 5m rolling mill and backup roll (BUR) bearing chock ÕâºóÒ»¸ö±íÊö¶Ô 3¡¢ According to space equilibrium of both force and moment on BUR¶Ô»¹ÊÇ According to force and moment space equilibrium of BUR¶Ô»¹ÊÇ According to BUR space force and moment equilibrium ×îºóÒ»¸ö¶Ô£¿ 4¡¢It is also of guiding significance for rolling mill structure designing.¶Ô»¹ÊÇIt is also of guiding significance for structure designing of rolling mill.»¹ÊÇIt is also of guiding significance for designing of rolling mill structure. 5¡¢Rolling force of heavy plate is hugeÆäÖÐÔþÖÆÁ¦¾Þ´ó£¬ÓÃhuge±íʾÁ¦ºÜ´ó¶ÔÂ𣿠6¡¢The problems of roll axial force occurred in many rolling plants have been reported.¶Ô»¹ÊÇRoll axial force problems occurred in many rolling plants have been reported.ÕâÖÖof+Ãû´Ê×÷¶¨ÓïʲôʱºòÓúÏÊÊ£¿ 7¡¢the model of axial shifting resistance of HC intermediate roll was established based on preliminary displacement principle.¶Ô»¹ÊÇthe axial shifting resistance model of HC intermediate roll was established based on preliminary displacement principle.¸ü¶Ô£¬Çë½âÊÍÒ»ÏÂΪʲô¸üºÃ 8¡¢A kind of microscale static determinate roll structure was put forward.¶ÔÂð£¬Ôõô¸Ä 9¡¢It presented axial force could lead to dynamic deviation of screwdown load. »¹ÊÇIt presented axial force could lead to dynamic screwdown load deviation . »¹ÊÇIt presented axial force could lead to screwdown load dynamic deviation . 10 based on the force and moment equilibrium of upper roll system¶Ô»¹ÊÇbased on the equilibrium of force and moment on upper roll systemºóÒ»¾ä¶Ô 11¡¢Ïë±í´ïÉÏÏÂÖ§³Ð¹õÖáÏòÁ¦·½Ïò²»Í¬¿ÉÄܵ¼ÖÂÉÏ»ú¼ÜÅÆ·»ÔþÖÆÔØºÉÔö´ó£¬¶øÍ¬Ò»²àÅÆ·»µÄϲàÔþÖÆÔØºÉ¼õС£¬ÏÂÃæµÄ·Òë¶ÔÂð£¿ÔõôдºÃ£¬Different directions of friction on upper and lower BURs may lead the increase of load on the upper stand, while decrease of load on the lower of the same stand. |
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2Â¥2015-05-24 17:08:56
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3Â¥2015-05-24 20:31:03
Î人һÐÄÒ»Òë
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4Â¥2015-05-24 22:39:47













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