数控钻床www.hbhzcnc.com机械设备数控多工位钻床设计毕业论文【摘要】本文主要针对形状相对复杂的工件的孔加工工件，现在一般都采用钻床加工，但随着科技的发展和对制造精度有了更高的要求，因此数控技术成为了主流。而数控多工位钻床就是提高钻削加工精度和效率的一种很好的机加工工具，在满足制造精度的前提下，更是节约了人力、时间的成本。在一般情况下，数控钻床就满足需求，而基于采用西门子数控系统，能完成连续精确的高速钻孔。相对于传统的数控钻床，该方案能适合较大直径的深孔加工，且还满足加工速度、高精度、高生产效率的要求;运动方式而采用点位控制系统，先以较快速度移动到终点附近位置，再以低速正确移动到终点定位位置，保证了良好的定位精度；而控制方式则采用半闭环控制系统，该系统通过检测移动部件的位置，然后反馈到数控装置的比较器中，与输入的原指令位置进行比较，用比较后的差值进行控制，是移动部件补充位置，直到差值交出为止，因此增大了工件的加工精度；【关键词】精度、数控技术、多工位、钻削-I-数控钻床www.hbhzcnc.comDesignofCNCdrillingmachinewithmulti-positionprogressivedie【Abstract】Thisarticlewhichmainlyaimedattheshapeoftheholeoftheworkpiecesthoserelativelycomplicatedprocessworkpieces.Atpresent，thedrillingmachineprocessinghavebeentypicallyused,butwiththedevelopmentofscienceandtechnologyandmanufacturingprecisionneedthehigherrequest.Thenumericalcontroltechnologybecamethemainstream.Andthenumericalcontrolofprogressivedrillingmachineisakindofverygoodmachiningtooltoenhancedrillingprocessingprecisionandefficiency.Itnotonlymeetsmanufacturingprecision,butalsolowthemanpowerandthetime.Usually,TheNumericalControlDrillingMachinewillmeetthedemands,andthenumericalcontrolsystembasedonSiemens’,itcandohighspeeddrillingandaccurately.ComparedwiththetraditionalNumericalControlDrillingMachine,it’ssuitableforsomelargerdiameteranddeepholeprocessing,andstillmeettherequestsofspeed,highprecision,highproductionefficiencyrequirements.ThePositionControlSystemwilltakecareofthemodeofmotion.Firstly,inarapidratemovestothenearpositionoftheend.Anditwithalowspeedtothecorrectendposition.Toensureitcanbeinthegoodlocationaccuracy.Andcontrolthehalf-closed-loopcontrolsystem,bydetectingthepositionofthemovingpartsofthesystem,andthenbacktothecomparisonofthenumericalcontroldevice,andenterthelocationoftheoriginalinstructions,controldifferencecompared,ismovingpartsadded,untilthedifferenceuntilthesurrender,thusincreasingtheprecisionofworkpiecemachining【Keywords】Precision,NumericalControlTechnology,Multi-station,Drilling-II-数控钻床www.hbhzcnc.com目录绪论........................................................................11、概论.....................................................................21.1国内外研究现状.......................................................21.2论文工作的意义.......................................................21.3论文研究的主要工作...................................................22、系统设计.................................................................32.1机床系统设计框图.....................................................32.2系统的详细组成.......................................................32.2.1动力系统.......................................................42.2.2传动系统.......................................................42.2.3数控系统.......................................................42.3详细技术分析.........................................................52.4数控多工位钻床结构图........................
