金槍魚TCN124P-M012-GY03軸系安裝工藝(含主機(jī)定位)

1、1.概述：General:1.1本工藝描述了57000DWT散貨船軸系各主要部件安裝以及主機(jī)定位的技術(shù)要求。ThisproceduredescribedthetechnicalrequirementofshaftcomponentsinstallationandM/Elocatingof57000DWTBC.1.2軸系主要部件包含有，4葉定距螺旋槳一支(直徑6000mm，重約16,347kg),螺旋槳軸1根(4500>6505,10211kg)，中間軸1根(4420>6006,7159kg),艇管裝置1套(3839kg),中間軸承一套(645kg)，艇軸首尾密封裝置，軸接地裝置一套

2、。Maincomponentsofshaftincludethefollowingparts,onefixedpitchpropellerwithfourblades(diameter6000mm,weight16,347kg),onepropellershaft(4500>6505,10211kg),oneintermediateshaft(420>6006,7159kg),sterntubeunitoneset(3839kg),intermediateshaftbearingoneset(645kg),foreandaft.shaftsealassembly,shaftgrou

3、ndingunit.1.3軸系的安裝工藝流程ShaftsystemInstallationsequence拉線T(照光)管定位澆注環(huán)氧T主機(jī)底角螺栓孔定位T裝螺旋槳軸T裝艄1尾軸密封裝置T安裝無鍵螺旋槳T安放中間軸、主機(jī)。船下水后按軸系校中計(jì)算法定位軸系及主機(jī)。Pullingwire(Shaftsight)-Locatingsterntubeandchockfast-locatingM/EholdingdownboltsTnstallpropellershaft-installshaftsealassembly-installpropeller-PutintermediateshaftandM

4、/E.AftervessellaunchinginstallandconnecttheshaftandM/Eaccordingtotheshaftalignmentcalculation.注：船下水時(shí)，軸和主機(jī)作臨時(shí)固定，防止螺旋槳軸轉(zhuǎn)動(dòng)。具體見“下水封槳封舵工藝”。Note:BeforelaunchingfixtheshaftandM/Etemporarily,avoidturningofpropellershaft.DetailseeProcedureforfixrudderandpropellerduringlaunching”.1.4所有軸系零件均為外購成品，尺寸加工到位，在吊運(yùn)、安裝

5、過程中要注意保護(hù)。在進(jìn)行吊裝前應(yīng)仔細(xì)檢查吊運(yùn)工具，如吊索、眼板、卸扣等應(yīng)安全可靠。Allthecomponentsofshaftisfinishedproduction,pleasepaymoreattentionduringhoistingandinstallation.Checkcarefullyhandlingtoolbeforeshafthoist,suchashalyard,eyeplate,shackleshouldbesafeandreliable.2.適用范圍：Rangeofapplication:本工藝適用與12#57000DWT散貨船軸系安裝及主機(jī)定位施工。Thisproc

6、edureistobeappliedforinstructtheshaftinstallationandM/Elocatingfor12#57000DWTbulkcarrier.3.親資料：Referencedocuments:SC4439(ZS)G3-400-04機(jī)艙布置圖E/RArrangementdrawingSC4439(ZS)G3-425-01推進(jìn)軸系布置圖ShaftarrangementdrawingSC4439(ZS)G3-230-02舵系布置圖RudderarrangementdrawingSC4439(ZS)-425-002-00艇軸管總圖Generaldrawingofst

7、erntubeSC4439(ZS)-420-001-00主機(jī)安裝圖InstallationdrawingforM/ESC4439(ZS)-107-001螺旋槳圖PropellerdrawingCB/T4000-2005中國造船質(zhì)量標(biāo)準(zhǔn)ChinaShipbuildingQualityStandard4. 工裝設(shè)備FrockEquipment激光經(jīng)緯儀、拉線架4套、鉛錘1只、重錘1只（25kg）、琴鋼絲（O0.5mm）、鋼直尺、50m卷尺、常用鉗工工具等。Laserinstrument、4drawlineframes、1plumb、aheavy（25kg）、O0.5mmsteelwire、stee

8、lruler、50mtaperuler、normallocksmithtoolsetc.5. 軸系精拉線條件：Shaftfinaldrawwirepreconditions:5.1機(jī)艙前壁（FR35）以后，主甲板以下主要結(jié)構(gòu)焊接工作已完成，火工矯正工作結(jié)束。機(jī)艙內(nèi)部的船體艙、柜的焊接打磨密性試驗(yàn)交驗(yàn)完畢。Weldingjobofstructuresthatafterforebulkhead（FR35）ofE/Randbelowmaindeckalmostfinished,andthefirecorrectionjobfinished.ThestructuretanksinE/Rwelding、

9、grindingjobandtightnesstestfinished.5.2軸系區(qū)域內(nèi)主要輔機(jī)機(jī)座裝焊完成，除主機(jī)及舵機(jī)以外的大型設(shè)備（3t及以上）及底部單元等進(jìn)艙就位。Intheareaaroundshaftline,theauxiliaryengineseattobeweldedcompletely,allthebigequipments（over3ton）andassemblyunitsonpositionexceptM/E、steeringgear.5.3船體墊墩、支柱受力均勻、穩(wěn)定牢固，不允許隨意移動(dòng)。Frustaandsupportbelowstructurebearevenst

10、rength.Mustbesuretheyaresteadyandwithoutmovement.5.4軸系精拉線要求在不受陽光曝曬及無急劇溫度變化情況下進(jìn)行，一般在晚間或陰天時(shí)進(jìn)行，以避免船體變形影響軸系中心線的正確性。Shaftdrawwirejobshouldbecarriedoutontheconditionofwithoutsunshineandthetemperaturesharpchange.Usuallyshouldcarryoutineveningorcloudlyday,avoidhulldeflectionimpacttheshaftcenterlineposition.

11、5.5停止引起振動(dòng)的作業(yè)與有嚴(yán)重噪聲干擾的作業(yè)。Stopthevabriationandloudjob.5.6定位所用的激光經(jīng)緯儀以及測(cè)量工具應(yīng)經(jīng)相應(yīng)檢驗(yàn)部門校驗(yàn)合格。Thelaserinstrumentandallthemeasuretoolstobecheckedoutbyinspectdept.6. 軸系精拉線前的準(zhǔn)備：Preparationofshaftfinaldrawwire:6.1實(shí)船基準(zhǔn)線的確定Baselinedetermine6.1.1測(cè)量龍骨變形量，計(jì)算龍骨平均高度點(diǎn)，作為船體實(shí)船基線。Measurethedeformationofkeelcalculatetheevenh

12、eightofkeelasthebaselineheight.6.1.2測(cè)量實(shí)船中心線偏差量，并在尾封板及機(jī)艙前橫艙壁的區(qū)域塢底平面上勘劃出實(shí)船中線面的投影線，作為軸線在塢底平面的投影線。MeasuretheactualcenterlineandmarkthecenterlineprojectionlineonthedrydockbelowE/Rarea,thelineisshaftlineprojectionline.6.2軸系中心線的確定Shaftcenterlinedetermine6.2.1船體尾部理論軸中心面的確定Sternpartshaftcenterprofiledetermin

13、ea,以中心線在塢底的延伸點(diǎn)為基準(zhǔn)，調(diào)整激光經(jīng)緯儀”1”的軸線直至與船中心線重合。TakethecenterlineprojectionlineondockfloorasbenchmarkadjustlasermachineryNo.1untiltheaxiallineoflasercrossedwithbenchmark.b,將激光經(jīng)緯儀“1”射出的光點(diǎn)延伸到尾部拉線架“B”上，并在垂直方向向上平移，同時(shí)測(cè)量此光點(diǎn)到塢底的垂直距離，當(dāng)測(cè)定的距離等丁船體軸線到船臺(tái)的距離時(shí)（即：軸系中心線的高度為3300+外板厚度+塢墩高度），則此點(diǎn)為軸系中心線上一點(diǎn)。以此點(diǎn)作為參考點(diǎn)并打好樣沖點(diǎn)，同時(shí)將激光經(jīng)

14、緯儀旋轉(zhuǎn)180。將光點(diǎn)投射到后艇管支撐套后端面上，并打好樣沖，這樣就可初步確定軸系尾部理論面。B"andmovethelaserExtendthelaserfromNo.1machineonthewireframepointup,meantimemeasuretheverticaldistanceformdockbottomtothelaserpoint,duringthedistancesameasshaftcenterlinetodockbottomheightstopmovement,wecanconfirmthatthispointonthetheoryshaftcenter

15、line.Takethispointasbenchmarkandpunchitonframe.Turnlasherhead1800andpunchthelasherpointonsternbossingaft.face,atpresentthesternshaftprofilehasbeendetermined.6.2.2機(jī)艙內(nèi)軸系中心線的確定ShaftcenterlinedetermineinE/Ra, 在機(jī)艙Fr21附近位置設(shè)立一激光經(jīng)緯儀”2”，將光點(diǎn)延伸到船體外部的拉線架“B：使之與拉線架上的樣沖點(diǎn)重合。Arrangeonelasermachine2”aroundFr21inE/R,e

16、xtendlaseronthewireframeB,untilthelaserpointjustsuperposedwiththepunchmark.b, 調(diào)整激光經(jīng)緯儀2的位置，使之既能與船體尾柱上的樣沖點(diǎn)的連線相交，同時(shí)也能投影到艇部拉線架上的樣沖點(diǎn)上，然后將經(jīng)緯儀的位置固定。Adjustlaserhead(2)positionuntilthelaserpointcrossedwiththeconnectlinebetweenpunchmarkonsternbossingaft.face,andthelaserpointalsosuperposedwiththepunchmarkonfra

17、meB,fixthelasermachineposition.6.2.3軸系中心線的延伸Extendtheshaftcenterlinea,將激光經(jīng)緯儀2調(diào)轉(zhuǎn)1800，將光點(diǎn)延伸并投影在機(jī)艙FR31拉線架上，并確定光點(diǎn)位置，打好樣沖點(diǎn)，這點(diǎn)與艇部拉線架上的樣沖點(diǎn)的連線即為理論軸線。Turnlasherhead(2)1800extendlasherpointonFR31frameA,andpunchit.ThenconnectionlinebetweenthepunchpointonframeA&Bisthetheoryshaftcenterline.6.3根據(jù)船舶設(shè)計(jì)理論軸系中心線，在

18、軸系冗首月尾端確定基準(zhǔn)點(diǎn)，拉線時(shí)以此為基準(zhǔn)。基準(zhǔn)點(diǎn)坐標(biāo)分別為：艄點(diǎn)A(Fr31,CL也，BL+3300)，艇點(diǎn)B(Fr-5-2000,CL也,BL+3300),見附圖。各基準(zhǔn)點(diǎn)在現(xiàn)場(chǎng)確定后報(bào)驗(yàn)船東船檢。Accordingtothetheoryshaftlinepositiondeterminetheforeandafterdatummark.Thecoordinateoftwodatummarksis:ForepointA(Fr31,CL也，BL+3300),Aft.pointB(Fr-5-2000,CL也，BL+3300),seeattacheddrawing.Twodatummarkspo

19、intpositionshouldbeconfirmedbyownerandsurveyor.6.4通過冗首艇基準(zhǔn)點(diǎn)拉線，檢查FR13#艙壁艇管孔的直徑理論值應(yīng)為4900,并根據(jù)軸系理論中心線檢查此開孔的偏心情況，在艙壁靠船首面劃出41130的檢驗(yàn)圓以及圓孔的正交十字線，用洋沖標(biāo)記。Throughthetwodatummarkpointspullsteelwireasshaftcenterline.AccordingtothislinecheckthesterntubeholeonFR13#bulkhead,thetheorydiameteris4900,checkeccentricityof

20、thehole,drawa(|)1130referenceroundandthecrosslinewithpunchmark.6.5在軸系基準(zhǔn)點(diǎn)A后端，設(shè)立拉線架平臺(tái)，用來安放儀器和人員站立。AfterthetargetAarrangeoneplatformforthewireframe.6.6艇管裝置在車間平臺(tái)時(shí)應(yīng)找正前后端面圓孔的中心，并劃十字線標(biāo)記。前后艇管端面十字線交義點(diǎn)的連線即為艇管的理論中心線。完成后需交船東船檢認(rèn)可。Findthecenterofforeandafterholeofsterntube,andmakecrosslinemarkontheendsurface.Thet

21、wocenterpointconnectlineisthetheorycenterlineofsterntube.Thecenterpointshouldconfirmedbyownerandsurveyor.6.7B管就位Installthesterntube6.7.1按“艇管總圖(425-02-00)”將八只艇管調(diào)整螺栓預(yù)先布置到相應(yīng)位置處，其中四只在月尾柱中，另外四只安裝在FR13#艙壁船尾側(cè)。Accordingtogeneraldrawingofsterntube(425-02-00),previouslyplaceeightsterntubeadjustableboltstorela

22、tiveposition.Theafterfourboltsinsternbossing,theotherfourinstalledontheaft.sideofFR13#bulkhead.6.7.2按“艇管總圖(425-02-00)”焊好后艇柱上的兩個(gè)透氣管及一個(gè)注入管.注入管及透氣管均采用427X2.5無縫鋼管.鋼管上應(yīng)無任何油漆，油污等。Accordingtogeneraldrawingofsterntube(425-02-00),weldtwoventpipesonaftsterntubesupportcoverandoneimmittube.Immitandventtubeallad

23、opt427X2.5seamlesssteelpipe.Noanypaintanddirtyonsteelpipe.6.7.3栓查艇管活潔，艇柱內(nèi)表面及艇管外表面等與環(huán)氧樹脂接觸處(含澆注孔，透氣孔內(nèi)表面)均需活除鐵銹、油污、毛刺、焊渣、油漆和灰塵等。提交環(huán)氧服務(wù)工程師及船東檢查活潔度。Checksterntubecleanness.Contactpartofsterntubefront&aftsupportcoverinnerfaceandsterntubeoutsidefacewithepoxyresin(includesprayinghole,ventholeinnerface)

24、needcleanrust,oildirty,burr,weldingdregs,paintinganddust.Submitepoxyserviceengineerandownertocheckcleannessandcansatisfytherequirement.6.7.4將艇管吊起送入艇柱中并向艄移動(dòng)，在移動(dòng)過程中注意保持艇管外表面和艇柱內(nèi)表面活潔，并用丙酮活洗?，F(xiàn)場(chǎng)需由環(huán)氧服務(wù)工程師及船東監(jiān)控，當(dāng)?shù)竭_(dá)艇管裝置圖中所示位置時(shí)，重新檢查艇管外表面和艇柱內(nèi)表面活潔度，提交環(huán)氧服務(wù)工程師及船東檢查活潔度。Hoistingthesterntubeandmoveittoforwardinster

25、nbossing,duringthetransportpleasekeepthesurfacecleannessandcleanituseacetone.Thechockfastserviceengineerandownerinspectonsite,duringthesterntubeonpositionrecheckthecleannessandsubmittoserviceengineerandownercheck.6.7.5擰入艄艇處的調(diào)節(jié)螺栓將艇管撐起，撤去起吊艇管所用的輔助工具。Sterntubewillberaisedbyscrewingadjustmentboltofforea

26、ndafter,andremoveallauxiliarytoolsthatslingsterntube.7. 拉線調(diào)整定位艇管：Drawwireandadjustthepositionofsterntube:7.1在理論軸線前后端拉線架上用40.5mm琴鋼絲穿過前后艇軸管拉出理論軸線，鋼絲自由端掛25kg重錘。Pullshaftlineonwireframeuse（|）0.5mmsteelwire,attheaft.sidehanga25kgheavy.7.2調(diào)節(jié)鋼絲線位置，使其穿過A和B兩個(gè)基準(zhǔn)點(diǎn)，檢查確定后報(bào)驗(yàn)船東船檢。Adjustthesteelwireuntilitthroughth

27、etwobenchmarkAandB,thensubmittedtoshipownerandsurveyorforapproval.7.3用為首艇調(diào)整螺栓精調(diào)艇管位置，使前后端艇管中心均在軸系理論中心線上（考慮撓度值）。并且調(diào)整艇管后端面距艇柱后端面距離為75mm，允許誤差±2mm。擰緊頂絲螺栓，固定艇管，報(bào)驗(yàn)船東船檢。Adjustthesterntubepositionusetheadjustbolts,untilthesterntubetargetcenterontheshaftcenterline.Andadjustthedistancebetweensterntubeafte

28、rendtosternbossingend,thedistanceshouldbe75mm,theallowabletoleranceis坦mm.Fixthesterntubebytheadjustbolts,submittoownerandsurveyorcheck.琴鋼絲撓度計(jì)算公式如下：Thedeflectionformulaasfollowing,Y=qX(L-X)/(0.99*2G)式中：Y一鋼絲線上X一點(diǎn)撓度(m)Intheformula:Y-theflexibilityofpointXonthesteelwire(m).q一鋼絲線單位長(zhǎng)度重量q/m,0.5mm鋼絲線取1.59g/

29、mq-unitlengthweightofsteelwireq/m,1.59g.mper0.5mmsteelwire.X一所求撓度點(diǎn)到基準(zhǔn)點(diǎn)距離(m)X-distancebetweencalculationpointtothebenchmark(m)L一鋼絲兩基準(zhǔn)點(diǎn)間的距離(m)L-thedistancebetweenthebenchmarkonsteelwire(m).G一鋼絲拉力(kg)G-pullstrengthonsteelwire(kg).7.4檢查艇管與艇柱之間的最小間隙，采用動(dòng)力泵澆注環(huán)氧最小允許間隙為3mm.Checktheclearancebetweensterntubean

30、dsternbossing,adoptthepumppouringchockfasttheminimumclearanceis3mm.7.5檢查軸系中心線到主機(jī)基座面板的高度，此高度實(shí)際測(cè)量值應(yīng)在1135mm左右,檢查主機(jī)基座兩側(cè)的偏中情況，中心線到基座邊緣的距離應(yīng)為1095mm,若以上尺寸實(shí)測(cè)偏差過大需及時(shí)通知技術(shù)部門核對(duì)。ChecktheverticaldistancebetweenshaftcenterlinetoM/Efoundationtop,measureddistanceshouldaround1135mm.CheckthewidthfromshaftcenterlinetoM/

31、Efoundationside,thewidthshouldbe1095mm.Iime.7.6吊舵系中心線，檢查舵線與軸線的相交情況，以及舵線到艇管末端的距離，尺寸應(yīng)滿足TCN124P-M012-GY01軸舵系初拉線工藝”中第10.3的要求。Hangtheruddercenterline,checktherelativepositionbetweenruddercenterlineandshaftcenterline,andthedistancebetweenrudderli

32、netosterntubeend.Thedimensionshouldwithinthetoleranceofitem10.3inTCN124P-M012-GY01Preliminaryalignmentprocedureforshaft&rudder7.7檢查軸線到中間軸承基座面板的ft直高度(不包含墊塊高度)，理論值為500mm,為保證活動(dòng)墊塊的厚度A50mm(按照設(shè)備說明書要求),垂直高度應(yīng)500mm且小515mm。Checktheverticalheightbetweenshaftcenterlinetointermediatebearingseatfaceplate(noti

33、ncludepadheight)theoryvalueshouldbe500mm.Inordertokeepthemoveablepadthickness50mm(accordingtoequipmentspec.requirement),theverticalheightshould藝00mmand奇15mm.7.8按照附圖尺寸確定主機(jī)滑油回油孔的開孔位置，開孔前應(yīng)檢查到貨主機(jī)油底殼上開孔尺寸是否與圖紙相符，確定無誤后方能開孔。AccordingtotheattacheddrawingdimensiondeterminetheM/ELOreturnholeposition,beforeope

34、nholechecktheholedimensiononM/Efollowattacheddrawing,afterconfirmeddothecutjob.8. 安裝艇管總成加強(qiáng)板：Installthesterntubereinforcementplate:8.1艇管總成吊裝上船以后，先按照艇管總圖(SC4439(ZS)-425-02-00)將加強(qiáng)板(SC4439(ZS)-425-02-14)焊在艇管總成前端艇管座上Aftersterntubeonposition,accordingtosterntubegeneraldrawing(SC4439(ZS)-425-02-00)weldrein

35、forcementplateonsterntubeforwardbossing.8.2按照?qǐng)D紙將加強(qiáng)板與FR13艙壁焊接，按右圖所示，分段、對(duì)稱施焊。在焊接過程中必須打表隨時(shí)監(jiān)測(cè)焊接的變形情況，使得焊接完成時(shí)艇管艄1尾部的中心仍在軸系中心線上，允許偏差V0.50mm。AccordingtothedrawingweldthereinforcementplateontheFR13#bulkhead,symmetricweldastherightpicture.Checkandcontrolthedeformationduringwelding,keepthesterntubecenterstill

36、ontheshaftcenterlineafterweld,allowabledeflection司.50mm.9. 艇管總成的環(huán)氧澆鑄：Chockfastofsterntube:見艇管環(huán)氧澆注工藝。Seesterntubechockfastprocedure.環(huán)氧澆注24h后，復(fù)核艇管總成的位置，將測(cè)量結(jié)果填入下檢驗(yàn)表中24hoursafterchockfastrecheckthepositionofsterntube,filltheresultinthebelowlist.差方向Direction位置Position上up下Down左left右right尾管前中心Sterntubefore

37、center尾管后中心Sterntubeaft.center10.主機(jī)底角螺栓孔定位開孔:LocatingofM/Eholdingdownbolts:10.1以A,B兩點(diǎn)為基準(zhǔn)，用0.5mm鋼絲拉出軸系理論中心線，A點(diǎn)掛重25kg。AccordingtotheA&Bdatummarkspull0.5mmsteelwireastheshaftcenterline,atApointhunga25kgheavy.10.2在主機(jī)座槽中裝焊臨時(shí)支架，將軸系中心線引至臨時(shí)支架上平面，并以此為基準(zhǔn)按照主機(jī)安裝圖中的尺寸，在兩側(cè)基座面板上劃出兩列主機(jī)地腳螺栓孔的中心連線，如下圖所示。Installth

38、etemporarysupportinM/Eseatgrooveasbelowdrawing,marktheshaftcenterlineprojectiononthesupport.Accordingtothemarkedwiredrawtwoarrangelineofholdingdownboltscenterconnectline.AsbelowFACEPLATEOFENGINEFOUNDATIONdrawing.10.3以艇管后端面為基準(zhǔn)確定主機(jī)第6缸中心位置，沿鋼絲線向前測(cè)量，艇管后端面到6缶工中心的理論距離為12325土mm(該尺寸為理論值，實(shí)際尺寸待螺旋槳與螺旋槳軸在車間預(yù)壓后確

39、定)，采用吊線錘的方法找出主機(jī)第6缸中心投影點(diǎn)，在臨時(shí)支架上穿過此點(diǎn)劃出與船中線的垂線，并延長(zhǎng)與兩列主機(jī)地腳螺栓孔的中心連線相交。DeterminetheNo.6cyl.centerpositionmeasuredfromsterntubeafterendside,thetheorydistanceshouldbe12325ddmm(theactualdistancedecidebythepropellerandpropellershaftpre-installationtestresultinworkshop),usetheplumbfindouttheprojectionpointofNo

40、.6cyl.centerontemporarysupport.Throughthispointdrawtheverticallinewithshipcenterline,andprolongtheverticallinecrossedwithholdingdownboltscenterconnectline.10.4根據(jù)主機(jī)安裝圖，采用常規(guī)方法劃出主機(jī)全部地腳螺栓孔的中心位置，打硬記。然后對(duì)照主機(jī)安裝圖，采用縱向、橫向、以及對(duì)角測(cè)量的方法，反復(fù)校對(duì)，以確保全部地腳螺栓孔位置的準(zhǔn)確無誤。Accordingtoengineinstallationdrawingdrawoutthecenterpos

41、itionofallengineholdingdownboltsholewithpunchmark.Thenfollowtheengineinstallationdrawing,measureeachdistancefromlongitudinal、transverseandcrosseddirection,inordertoensurethecorrectpositionofallholdingdownboltshole.10.5檢查艄、艇兩端螺栓孔中心對(duì)角間距，理論值應(yīng)為6436mm，允許偏差±2mm。復(fù)核全部螺栓孔的縱、橫向尺寸，縱向兩孔間誤差土0.5mm,橫向兩孔間誤差土1m

42、m確保準(zhǔn)確無誤，縱向累積誤差土2mm。Checktheforeandafterendboltscrossconnectlinelength,theorydistanceshouldbe6436mm,allowabletolerance坦mm.Recheckalltheholdingdownboltsposition,tolerancebetweentwoholesonlongitudinaldirection坦.5mm,onthetransversedirection土1mm,cumulatetoleranceonlongitudinaldirection坦mm.10.6根據(jù)已劃好的底腳螺栓孔

43、的中心點(diǎn)，戈仙全部地腳螺栓孔的加工圓線446mm、檢查圓線466mm,打硬記。Accordingtothemarkedcenterpointofholdingdownboltholes,drawthedrillinghole（|）46mmandreferenceround（|）66mmandmarkedonM/Eseat.10.7加工出全部（|）460+2.0mm的地腳螺栓孔，修除毛刺打磨光順。Drillalltheholdingdownboltshole（|）460+2.0mmandgrinding.10.8鉆孔作業(yè)后，須檢查主機(jī)機(jī)座下橫向加強(qiáng)板的位置，是否會(huì)影響螺栓螺母的安裝。消除反面毛刺

44、，以保證安裝時(shí)的良好貼合。AfterdrillingcheckthetransversereinforceplatebelowM/Eseatplate,confirmwhethertheplatewillimpactinstallboltsandnuts.Removetheburrontheoppositeside,ensurethenutsurfaceM/Eseatoppositesidewithgoodcontact.10.9回油管開孔時(shí)，應(yīng)核對(duì)主機(jī)油底殼與圖紙的正確性。Beforeopenthereturnoilpipeholeonlubeoilcirculationtankmustco

45、nfirmtheopeningpositiononM/Esumpbottomsameasthedrawing.11.塞螺旋槳軸：Insertpropellershaft:11.1艇軸由機(jī)艙內(nèi)向艇管塞入，在裝軸之前，根據(jù)螺旋槳軸后端的螺紋，制造一個(gè)螺紋連接的導(dǎo)向帽，以免在塞軸的時(shí)候碰壞軸承內(nèi)的白合金。InsertthepropellershaftintosterntubeformE/R,duringinsertthepropellershafttheshaftendscrewshouldcoveredbyasmoothhat,avoidcrashedwithwhitemetalbearing.1

46、1.2尾軸安裝前，艇管內(nèi)孔包括后軸承內(nèi)表面應(yīng)活潔，活潔程度要得到船東認(rèn)可，裝入時(shí)應(yīng)涂潤滑劑。Beforeinstallthepropellershaftcleantheshaftandbearinginnersideanddaublubeoil,thecleannessshouldconfirmedbyowner.11.3艇軸塞入時(shí)，首密封裝置及密封墊圈已套裝在尾軸上。Theforwardshaftsealandthegasketshouldbemoveonshaftbeforeinsertshaft.11.4如下圖，在艇軸法蘭后端面后200mm處設(shè)置艇軸臨時(shí)支撐，支撐上安裝的頂絲螺栓可以用來調(diào)節(jié)及固定艇軸位置。借助臨時(shí)支撐上的頂絲螺栓，調(diào)整艇軸位置，使得艇軸在軸系理論中心線上，且月尾軸法蘭后端面200mm處位置比理論高度低0.45mm。（軸系對(duì)中的基準(zhǔn)，參考STX軸系校中計(jì)