最好用的激光对中讲解.ppt

1999FixturlaserAB 1 Section4 Pre alignmentstage4 1Pre alignmentprocedures4 2Activity Checking Softfoot 1999FixturlaserAB 2 ThreestagesinShaftAlignment Pre alignmentstage粗调阶段Ensuretheshaftsare in the ballpark 精调阶段使用百分表或激光系统 1999FixturlaserAB 3 4 1Pre alignmentProcedures A Off site准备B 现场的视觉检查C 现场的实施 过程 1999FixturlaserAB 4 A 准备 off site Safteyregulations Workingpermits Timelimitsforproductionstop Alignmenttolerances ThermalOffsets Availablespace Shaftrotation Shimssize Alignmentsystem Batteries Specifications 1999FixturlaserAB 5 B 现场的视觉检查On sitevisualcheck Machine serialno SafteyAvailablespaceFoundationconditionBedplateconditionBoltconditionAdjustmentcapabilityShimsconditionLeaks 1999FixturlaserAB 6 MachinetemperatureGrosssoftfootReplaceoldshimsCouplingassemblyMechanicalloosenessRunoutPipestrainFinalsoftfootRepeatabilitytest C Pre AlignmentProcedures On siteactions 1999FixturlaserAB 7 1 机器温度 MeasurethemachinetemperatureNeveralignduringthecool downprocessAligninhotorcoldconditions 1999FixturlaserAB 8 2 Correctgrosssoftfoot Loosenallmountingbolts Findanylooseshimpacks Correctbyaddingtolooseshimpacks 1999FixturlaserAB 9 3 替换旧垫片Replaceoldshims Replaceoldandrustyshims newshimsinstainlesssteel Avoid homemade shims Nomorethan3 4shimsundereachfoot 1999FixturlaserAB 10 4 Couplingassembly Assembledaccordingtosupplierspecification Slightlyloosenthebolts minimizeriskofhanging 1999FixturlaserAB 11 6 Mechanicallooseness Checkloosenessinbearings gearsetc Mountadialindicatortotheshaft couplingTrytomovetheshaftbyhandforexampleusingacrowbar 1999FixturlaserAB 12 6 Check runout RunoutiscausedbyEccentriccouplings Outofround couplingsBentshafts 1999FixturlaserAB 13 SetupthedialindicatorThedialindicatorplungercontactsthehuborshafttobechecked Itisaffixedtoanypointinspace themachinebase abearinghousing theadjacentcouplinghub ifthecouplingis broken 6 Check runout 1999FixturlaserAB 14 6 Check runout MeasurerunoutTheshafttobecheckedisrotateduntilthedialindicatorreachesamaximum or Thedialindicatorisadjustedtozero Theshaftisrotatedagainuntilthedialindicatorreachesamaximum or Thisistherunoutvalue 1999FixturlaserAB 15 6 Check runout CheckingRunOut DrivenSidecouplingrunoutShaftrunout If 0 05mmorlessgreaterthan0 05mm0 025mmorlessgreaterthan0 025mm Then DrivensideOK gotodriversidecouplingCheckshaftrunoutShaftOK couplingeccentricShaftisbent DriverSidecouplingrunoutShaftrunout 0 05mmorlessgreaterthan0 05mm0 025mmorlessgreaterthan0 025mm RunoutcheckcompletedCheckshaftrunoutShaftOK couplingiseccentricShaftisbent 1999FixturlaserAB 16 7 Checkpipestrain CheckingPipeStrain If Then SuctionFlange Dialindicatorschangesat12 00or3 00are 0 05mmorlessgreaterthan0 05mm CheckdischargeflangeExcessivepipestrain DischargeFlange Dialindicatorschangesat12 00or3 00are 0 05mmorlessgreaterthan0 05mm PipestraincheckcompletedExcessivepipestrain Dialindicatorsetupasincheckingrunout Loosenflangeboltstochecktheeffectofpipestrain 1999FixturlaserAB 17 8 Softfoot 1999FixturlaserAB 18 8 Softfoot 1999FixturlaserAB 19 8 Finalsoftfoot UsethesoftfootfunctionintheFixturlaserShaftSystem 1999FixturlaserAB 20 Measuringsoftfoot RotateTD sto12 00 Touchtoaccessthetoolbox 1999FixturlaserAB 21 Measuringsoftfoot TouchtoaccesstheSoftcheck program 1999FixturlaserAB 22 TouchforthefootyouwanttomeasureLoosenandre tightenthebolt Touchtorecordthesoftfootvalue Measuringsoftfoot 1999FixturlaserAB 23 Measuringsoftfoot Measuretheotherfeet 1999FixturlaserAB 24 Startatthefootwithgreatestvalue Shimthefootbythesoftfootamount Re measure Tolerance nomorethan0 05mm Correctingsoftfoot 1999FixturlaserAB 25 9 重复性测试Repeatabilitytest MountthesystemandchosetheTD M TD Sapplicationsoftware Zerothevaluesinthe9 00position Turntothe3 00and12 00positionandbackto9 00 Notethevalues Repetitionshouldbewithin10 20 ofthetolerances 1999FixturlaserAB 26 9 重复性测试Repeatabilitytest 如果重复不能达到要求检查 1 夹具 Arethefixturesproperlytightened 2 外部原因 Foundation bolts shims couplingetc 3 内在原因 Mechanicallooseness 1999FixturlaserAB 27 4 2Activity Checking Softfoot 1 Performaso