张力拉矫机张力系统故障分析

:2002-05-30:(1959-),,,,,20031101ControlEngineeringofChinaJan.2003Vol.10,No.1:167127848(2003)01200622031,2(11,117000;21,117021):,,,,,,,:;;:TP273:A1,,,,2R2:VR2=nM232r2/Ig5;()(1)R1:VR1=nM232r1/Ig7+nM132r1/Ig7D;(2)R3:VR3=nM232r3/Ig8+nM332r3/Ig8D;(3)R4:VR4=nM232r4/Ig9+nM332r4/Ig8D+nM432r4/Ig9D;(4)11,YT1YT4,,1030VDC;10mV/20kN31)R2,R1M1,M1,,M1YT1YT4R4M4,,M4,,M4YT3YT1,,4#YT4|F2-F4|1#1#1#YT1(F3-F1)+4#4#YT4,,1#YT1(F3-F1)+4#4#YT4|F2-F4|1#1#YT12),,014115mm2030mm,115215mm20mm,250kN20%M1M4,,,3)2,,,,,40,24)M2M4,,41)M2YT1F1,YT2F2,YT3F3,YT4F4,P1,P2,P,P1=(F1-F2)VL;F1F2,P1;P2=(F3-F4)VL;F3F4,P2;(VL,)P=P1+P2,F3mF2,|P2||P1|,P;M2,F3F4,P2,,,,2)M43,R4,R33()361:F3=F43exp(),F4;F3,250kN;,616rad,018,427;,01143,exp(),,,,5M2M4,F3M2M4,,F3,F3:,,,,F3F420%;,,;M4,M4;M46,,,,,,,,,,,,PI,:[1],.[J].,2002,9(3):29-31.FaultAnalyzingofElongationTensionControlSystemofTensionLevellerStretcherWENQin1,CHENZhi2yong2(11DepartmentofComputerControl,BenxiIron&SteelCo.,Benxi117000,China;21ColdRollingMill,BenxiIron&SteelCo.,Benxi117021,China)Abstract:Theprincipleoftensionadjustmentoftensionlevellerwasanalyzedindetail,accordingtotheappearedtensionregu2lationfaultandelongationduringthetensionlevelleroperation.Relativesolutionwaspointedoutafteranalyzingactualprob2lems.Theoutputpowerofmainmotorisnegative,exittensionoflevellercantbeenadjustedbyexitcompensationmotor,elon2gationdidntreachdesignvalue,tensionoflevellercantbeencontrolledavailably,thedeviceborderuponlevelleroftendamagedafteranalyzingofrelativeoftensionandtechnologyprocess,ithasbeenfoundthatrelativesectiontensionisexceededthevaluethatsetupbefore,technologyconditionhasalreadybeenchanged,thetensioncontrollingsystemoflevellermustbeadjusteda2gain.Keywords:tensionofstretchingandbendingleveller;speedcompensationcontrol;elongation4610