斜齒輪嚙合驅(qū)動(dòng)報(bào)告

Alex-dreamer制作：（可以相互傳閱學(xué)習(xí)，但是鄙視那些拿著別人成果隨意買(mǎi)賣(mài)！一：目的：根據(jù)abaqus愛(ài)好者提高的齒輪無(wú)法轉(zhuǎn)動(dòng)問(wèn)題，本人建了一對(duì)斜齒輪，用來(lái)模擬齒輪嚙合傳動(dòng)，以及詳細(xì)的操作過(guò)程。二：模型簡(jiǎn)介：1）該模型由兩個(gè)斜齒輪嚙合組成。2）網(wǎng)格劃分在hypermesh中完成，保證了雅克比>0.7以及網(wǎng)格其它質(zhì)量的要求。網(wǎng)格與幾何具有較高的吻合度。3）通過(guò)小齒輪帶動(dòng)大齒輪轉(zhuǎn)動(dòng)。4）重點(diǎn)和難點(diǎn)見(jiàn)一下詳細(xì)介紹。三：Hypermesh建模這部分，我想不用太多的介紹，因?yàn)榇蠹覍?duì)這個(gè)建模很熟練，而且不具有太大難度，重點(diǎn)的保證齒是斜的。步驟：（1）導(dǎo)入hypermesh；（2）Geom->surfsedit，先對(duì)斜齒輪進(jìn)行切割，將齒和齒根部分分開(kāi)劃分，這樣的好處的顧忌到斜齒。采用trimwithlines。Tip:具體切割路線見(jiàn)圖。如果讀者不會(huì)找到這樣的路徑，那就找找圓心。會(huì)找不？實(shí)在不會(huì)，那就看操作手冊(cè)吧。￡。但「事T*爭(zhēng)竺Aut￡。但「事T*爭(zhēng)竺Aut。，QCtrimwithnodeswithcutline%6▼?璧ByComp▼▼褊，＜withlineswithoffsetline(?trimwithlinessurfs|K|surfsHlines|H令|allattachedsurfacesrtrimwithsurfs/planeCuntrimdragacutlinealongavectorlines|H|roffsetCextend匠smoothlineCshrink|~closelineentiresurfaceoffset=|「10.000▼N1IN2IN3IM向selectclosedloops|~keeplineendpointsFig1切割路徑示意圖（3）分別對(duì)一對(duì)齒劃分網(wǎng)格，然后采用3D單元面板->Linearsolid->生成實(shí)體單元即可。

Tip:注意節(jié)點(diǎn)位置和單元數(shù)目保持一致。（4）剩下的齒，通過(guò)Tool工具，復(fù)制rotate旋轉(zhuǎn)即可。Fig3rotate面板（5）最后定義材料和彈性模量等相關(guān)參數(shù)。這里省略。（6）Export（導(dǎo)出）網(wǎng)格，將單元類(lèi)型升級(jí)一下子，elemtype->選中單元->updateTip:導(dǎo)出inp格式ModelInfo:D:/temp/cilun/cilun.hm*46。蒞：ridC?2D&3DO!拳TIt?虹爭(zhēng)ei皇ByComp▼僉▼夠,。▼O▼步卒）□tria3=46。蒞：ridC?2D&3DO!拳TIt?虹爭(zhēng)ei皇ByComp▼僉▼夠,。▼O▼步卒）□tria3=S3R□tria6=□quacH=S4R□quadS=□tetrad=C3D4□tetral0=C3D10M□pyramids=C3D8R□pyramid!3=□pentaG=C3D6□pentai5=□hex8=C3D8R□hex20=四：Abaqus相關(guān)操作（1）導(dǎo)入abaqus；File->import->modleFig5導(dǎo)入abaqus后的模型示意圖(2)部分inp解釋說(shuō)明：66292,66304,66316,66328,66340,66352,66364,66376*Surface,type=ELEMENT,name=Surf-2Surf-2_S3,S3Surf-2_S4,S4Surf-2_S6,S6Surf-2_S5,S5*Surface,type=NODE,name=_PickedSet15_CNS_,internal_PickedSet15,1.internal*Surface,type=NODE,name=HMCOUPKIN_SURFACE_67662_CNSHM_COUPKIN_SURFACE_67662,1.internal**Constraint:Constraint-2*MPCBEAM,PickedSet15,PickedSet16,為什么用MPC?因?yàn)閷?shí)體單元只有三個(gè)自由度，不具有轉(zhuǎn)動(dòng)自由度，故采用MPC耦合方式，將轉(zhuǎn)動(dòng)位移或者扭矩加載在耦合節(jié)點(diǎn)上。**Constraint:HM_COUPKIN_67662*Coupling,constraintname=HM_COUPKIN_67662,refnode=_M7,surface=HM_COUPKIN_SURFACE_67662_CNS_*Kinematic*EndAssembly*Amplitude,name=Amp-10.,0.,1.,1.**

**廠Boundary'、7Boundary'、7,IntProp-1***Density7.85e-09,*Elastic207000.,0.3**INTERACTIONPROPERTIES***SurfaceInteraction,name=IntProp-1*Friction0.,*SurfaceBehavior,pressure-overclosure=HARD****BOUNDARYCONDITIONS****Name:BCTType:Displacement/RotationDACI,1,DACI,2,DACI,3,DACI,5,DACI,6,**Name:BC-3Type:Displacement/Rotation/^Boundary_PickedSet18,1,_PickedSet18,2,_PickedSet18,3,_PickedSet18,5,PickedSet18,6,_PickedSet18,1,_PickedSet18,2,_PickedSet18,3,_PickedSet18,5,PickedSet18,6,****INTERACTIONS**/Interaction:Int-1*Contact,op=NEW*ContactInclusionsSurf-1,Surf-2PropertyAssignmentPropertyAssignment*Step,name=Step-1*Dynamic,Explicit<,0.01J*BulkViscosity0.06,1.2****BOUNDARYCONDITIONS**Name:BC-2Type:Displacement/Rotation*Boundary,amplitude=Amp-1[_PickedSet17,4,4,360.****OUTPUTREQUESTSTOC\o"1-5"\h\z_**_ri*Restart,write,numberinterval=1,timemarks=NO**4*FIELDOUTPUT:F-Output-1'**底Output,field,variable=PRESELECT/**4*HISTORYOUTPUT:H-Output-1**^Output,history,variable=PRESELECT,timeinterval=0.0002*EndStepS_,Mises(Avg:75%)五：結(jié)果分析+k!.Z6He+S_,Mises(Avg:75%)■-+2.079e+03——+1.891e+03——+1.702e+03+1.5136+U3——+1.324e+03+1.1z>6e+——+9.469e+02——+7.581e+02―+5.694e+02+3.HU7e+Uk'+1.919e+02+：3,袒16巳+〔JL)Max:+2.266s+03Elem:PART-1-1.6487Node:16441ODB:Alex_cilun_m.odbAbaqus/Explicit6.10-1SatDec2213:40:07GMT+06:002012Step:Step-1Increment32966:StepTime=5.5000E-03PrimaryVan5MisesDeformedVar:UD