激光对中仪轴系.pptx

Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB1Section 4Pre-alignment stage4.1 4.1 Pre-alignment Pre-alignment proceduresprocedures4.24.2Activity:Checking Activity:Checking“Soft footSoft foot”Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB2Three stages in Shaft AlignmentPre-alignment stagePre-alignment stage粗调阶段粗调阶段Ensure the shafts are Ensure the shafts are“in-in-the-ballparkthe-ballpark”精调阶段精调阶段使用百分表或激光系统使用百分表或激光系统Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB34.1 Pre-alignment ProceduresA.A.Off-site Off-site 准备准备B.B.现场的视觉检查现场的视觉检查C.C.现场的实施现场的实施,过程过程 Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB4A.准备,off-siteSaftey regulations?Saftey regulations?Working permits?Working permits?Time limits for production Time limits for production stop?stop?Alignment tolerances?Alignment tolerances?Thermal Offsets?Thermal Offsets?Available space?Available space?Shaft rotation?Shaft rotation?Shims size?Shims size?Alignment system?Batteries?Alignment system?Batteries?Specifications?Specifications?Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB5B.现场的视觉检查On-site visual checkMachine,serial no.Machine,serial no.SafteySafteyAvailable spaceAvailable spaceFoundation conditionFoundation conditionBed plate conditionBed plate conditionBolt conditionBolt conditionAdjustment capabilityAdjustment capabilityShims conditionShims conditionLeaksLeaksFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB6Machine temperatureMachine temperatureGross soft footGross soft footReplace old shimsReplace old shimsCoupling assemblyCoupling assemblyMechanical loosenessMechanical loosenessRun outRun outPipe strainPipe strainFinal soft footFinal soft footRepeatability testRepeatability testC.Pre-Alignment Procedures “On-site actions”Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB71.机器温度Measure the machine Measure the machine temperaturetemperatureNever align during the Never align during the cool-down processcool-down processAlign in hot or cold Align in hot or cold conditionsconditionsFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB82.Correct gross soft footLoosen Loosen allall mounting bolts.mounting bolts.Find any loose shim packs.Find any loose shim packs.Correct by adding to loose shim Correct by adding to loose shim packs.packs.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB93.替换旧垫片Replace old shimsReplace old and rusty shims,new Replace old and rusty shims,new shims in stainless steel.shims in stainless steel.Avoid Avoid”home madehome made”shims.shims.No more than 3-4 shims under No more than 3-4 shims under each foot.each foot.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB104.Coupling assemblyAssembled according to Assembled according to supplier specification.supplier specification.Slightly loosen the bolts-Slightly loosen the bolts-minimize risk of hangingminimize risk of hangingFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB116.Mechanical loosenessCheck looseness in Check looseness in bearings,gears etc.bearings,gears etc.Mount a dial indicator to Mount a dial indicator to the shaft/couplingthe shaft/couplingTry to move the shaft by Try to move the shaft by hand for example using a hand for example using a crowbarcrowbar Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB126.Check”run out”Run out is caused byRun out is caused byEccentric couplingsEccentric couplings”Out of roundOut of round”couplings couplingsBent shaftsBent shaftsFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB13Set up the dial Set up the dial indicatorindicatorThe dial indicator The dial indicator plunger contacts plunger contacts the hub or shaft to the hub or shaft to be checked.be checked.It is affixed to any It is affixed to any point in space:point in space:the machine base,a the machine base,a bearing housing,bearing housing,the adjacent the adjacent coupling hub(if coupling hub(if the coupling is the coupling is“brokenbroken”).).6.Check“run out”Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB146.Check“run out”Measure run outMeasure run outThe shaft to be checked is rotated The shaft to be checked is rotated until the dial indicator reaches until the dial indicator reaches a maximum:(+or-).a maximum:(+or-).The dial indicator is adjusted to The dial indicator is adjusted to zero.zero.The shaft is rotated again until The shaft is rotated again until the dial indicator reaches a the dial indicator reaches a maximum:(+or-).This is the maximum:(+or-).This is the run out value.run out value.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB156.Check“run out”Checking Run OutDriven Sidecoupling run outShaft run outIf0,05 mm or lessgreater than 0,05 mm0,025 mm or lessgreater than 0,025 mmThenDriven side OK,go to driver side couplingCheck shaft run outShaft OK,coupling eccentricShaft is bentDriver Sidecoupling run outShaft run out0,05 mm or lessgreater than 0,05 mm0,025 mm or lessgreater than 0,025 mmRun out check completedCheck shaft run outShaft OK,coupling is eccentricShaft is bentFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB167.Check pipe strainCheckingPipe StrainIfThenSuction FlangeDial indicators changes at 12:00 or 3:00 are:0,05mm or lessgreater than 0,05mmCheck discharge flangeExcessive pipe strainDischarge FlangeDial indicators changes at 12:00 or 3:00 are:0,05mm or lessgreater than 0,05mmPipe strain check completedExcessive pipe strainDial indicator Dial indicator set up as in set up as in checking run checking run out.out.Loosen flange Loosen flange bolts to check bolts to check the effect of the effect of pipe strain.pipe strain.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB178.Soft footFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB188.Soft footFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB198.Final soft footUse the soft foot function in the Fixturlaser Shaft System.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB20Measuring soft footRotate TDRotate TDs to 12:00.Touch to s to 12:00.Touch to access the toolboxaccess the toolboxFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB21 Measuring soft footTouch to access the SoftcheckTouch to access the Softcheck programprogram.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB22Touch for the foot you want to Touch for the foot you want to measuremeasureLoosen and re-tighten the bolt.Loosen and re-tighten the bolt.Touch to record the soft foot Touch to record the soft foot value.value.Measuring soft footFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB23 Measuring soft footMeasure the other feet.Measure the other feet.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB24Start at the foot with Start at the foot with greatest value.greatest value.Shim the foot by the soft foot Shim the foot by the soft foot amount.amount.Re-measure.Re-measure.Tolerance:no more than 0,05 Tolerance:no more than 0,05 mm.mm.Correcting soft footFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB259.重复性测试Repeatability testMount the system and chose the TD-Mount the system and chose the TD-M/TD-S application software.M/TD-S application software.Zero the values in the 9:00 Zero the values in the 9:00 position.Turn to the 3:00 and position.Turn to the 3:00 and 12:00 position and back to 9:00.12:00 position and back to 9:00.Note the values.Note the values.Repetition should be within 10-20%Repetition should be within 10-20%of the tolerances.of the tolerances.Fixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB269.重复性测试Repeatability test如果重复不能达到要求检查如果重复不能达到要求检查,1.1.夹具夹具:Are the fixtures Are the fixtures properly properly tightened?tightened?2.2.外部原因外部原因:Foundation,Foundation,bolts,shims,bolts,shims,coupling etc.coupling etc.3.3.内在原因内在原因:Mechanical Mechanical loosenessloosenessFixturlaser ShaftShaft5050Fixturlaser ShaftShaft100100Fixturlaser ShaftShaft200200Shaft alignment withFixturlaser Shaft systems1999 Fixturlaser AB274.2 Activity:Checking”Soft foot”1.Perform a soft foot check procedure with Fixturlaser Shaft alignment system and make a printout.2.Evaluate and interpret the result.3.Correct the soft foot condition.If no soft foot conditions exists simulate by removing shims from one or two(diagonal)feet.