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1、Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsSection 4Pre-alignment stage4.1 Pre-alignment procedures4.2Activity: Checking “Soft foot”1999 Fixturlaser AB1最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment wi
2、thFixturlaser Shaft systemsThree stages in Shaft AlignmentPre-alignment stage粗调阶段粗调阶段Ensure the shafts are “in-the-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1999 Fixturlaser AB2最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems4.1 Pre-alignm
3、ent ProceduresA. Off-site 准备准备B. 现场的视觉检查现场的视觉检查C. 现场的实施现场的实施,过程过程 1999 Fixturlaser AB3最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsA. 准备, off-siteSaftey regulations?Working permits?Time limits for production stop?Alignment toleranc
4、es?Thermal Offsets?Available space?Shaft rotation?Shims size?Alignment system? Batteries?Specifications?1999 Fixturlaser AB4最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsB.现场的视觉检查On-site visual checkMachine, serial no.SafteyAvailabl
5、e spaceFoundation conditionBed plate conditionBolt conditionAdjustment capabilityShims conditionLeaks1999 Fixturlaser AB5最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsMachine temperatureGross soft footReplace old shimsCoupling assem
6、blyMechanical loosenessRun outPipe strainFinal soft footRepeatability testC. Pre-Alignment Procedures “On-site actions”1999 Fixturlaser AB6最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems1. 机器温度Measure the machine temperatureNever ali
7、gn during the cool-down processAlign in hot or cold conditions1999 Fixturlaser AB7最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems2. Correct gross soft footLoosen all mounting bolts.Find any loose shim packs.Correct by adding to loose
8、 shim packs.1999 Fixturlaser AB8最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems3. 替换旧垫片Replace old shimsReplace old and rusty shims, new shims in stainless steel.Avoid ”home made” shims.No more than 3-4 shims under each foot.1999 Fix
9、turlaser AB9最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems4. Coupling assemblyAssembled according to supplier specification.Slightly loosen the bolts - minimize risk of hanging1999 Fixturlaser AB10最好用的激光对中讲解Fixturlaser Shaft50Fixtur
10、laser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems6. Mechanical loosenessCheck looseness in bearings, gears etc.Mount a dial indicator to the shaft/couplingTry to move the shaft by hand for example using a crowbar 1999 Fixturlaser AB11最好用的激光对中讲解Fixturlaser Shaft50Fixturl
11、aser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems6. Check ”run out”Run out is caused byEccentric couplings”Out of round” couplingsBent shafts1999 Fixturlaser AB12最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft sy
12、stemsSet up the dial indicatorThe dial indicator plunger contacts the hub or shaft to be checked.It is affixed to any point in space: the machine base,a bearing housing, the adjacent coupling hub (if the coupling is “broken”).6. Check “run out”1999 Fixturlaser AB13最好用的激光对中讲解Fixturlaser Shaft50Fixtur
13、laser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems6. Check “run out”Measure run outThe shaft to be checked is rotated until the dial indicator reaches a maximum: (+ or -).The dial indicator is adjusted to zero.The shaft is rotated again until the dial indicator reaches a
14、 maximum: (+ or -). This is the run out value.1999 Fixturlaser AB14最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems6. Check “run out”Checking Run OutDriven Sidecoupling run outShaft run outIf0,05 mm or lessgreater than 0,05 mm0,025 mm
15、 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, c
16、oupling is eccentricShaft is bent1999 Fixturlaser AB15最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems7. Check pipe strainCheckingPipe StrainIfThenSuction FlangeDial indicators changes at 12:00 or 3:00 are:0,05mm or lessgreater than 0
17、,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 set up as in checking run out.Loosen flange bolts to check the effect of pipe strain.1999 Fixtu
18、rlaser AB16最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems8. Soft foot1999 Fixturlaser AB17最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems8. Soft foot1999 Fixturlaser
19、 AB18最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems8. Final soft footUse the soft foot function in the Fixturlaser Shaft System.1999 Fixturlaser AB19最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignmen
20、t withFixturlaser Shaft systemsMeasuring soft footRotate TDs to 12:00. Touch to access the toolbox1999 Fixturlaser AB20最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems Measuring soft footTouch to access the Softcheck program.1999 Fixt
21、urlaser AB21最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsTouch for the foot you want to measureLoosen and re-tighten the bolt.Touch to record the soft foot value. Measuring soft foot1999 Fixturlaser AB22最好用的激光对中讲解Fixturlaser Shaft5
22、0Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems Measuring soft footMeasure the other feet.1999 Fixturlaser AB23最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systemsStart at the foot with greatest valu
23、e.Shim the foot by the soft foot amount.Re-measure.Tolerance: no more than 0,05 mm. Correcting soft foot1999 Fixturlaser AB24最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFixturlaser Shaft systems9.重复性测试Repeatability testMount the system and chose the TD-M/
24、TD-S application software.Zero the values in the 9:00 position. Turn to the 3:00 and 12:00 position and back to 9:00. Note the values.Repetition should be within 10-20 % of the tolerances.1999 Fixturlaser AB25最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft alignment withFi
25、xturlaser Shaft systems9. 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. 夹具夹具:Are the fixtures properly tightened?2. 外部原因外部原因: Foundation, bolts, shims, coupling etc.3. 内在原因内在原因: Mechanical looseness1999 Fixturlaser AB26最好用的激光对中讲解Fixturlaser Shaft50Fixturlaser Shaft100Fixturlaser Shaft200Shaft
26、alignment withFixturlaser Shaft systems4.2 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.1999 Fixturlaser AB27最好用的激光对中讲解
