机械英语词汇大全

机械英语词汇大全

1.Introduction

Themechanicalengineeringfieldencompassesawiderangeoftopicsandconcepts,fromthedesignandanalysisofmachinestothestudyofmanufacturingprocesses.Toeffectivelycommunicateandunderstandtheprinciplesandpracticesofmechanicalengineering,itisessentialtohaveagoodgraspoftheassociatedtechnicalvocabulary.Inthisdocument,wepresentacomprehensivelistofmechanicalengineeringtermsinEnglish,providingdefinitionsandexplanationstohelpyounavigatethiscomplexfield.

2.MechanicalEngineeringConcepts

2.1Statics

Force:Apushorpullactingonanobject,typicallymeasuredinNewtons(N).

Equilibrium:Astateinwhichallforcesandtorquesactingonanobjectarebalanced,resultinginzeroacceleration.

MomentofForce:Theproductofaforceanditsperpendiculardistancefromareferencepoint,alsoknownastorque.

Stress:Theinternalforceperunitareaactingonamaterial,causingdeformation.

Strain:Themeasureofdeformationinamaterialduetostress.

2.2Dynamics

Acceleration:Therateofchangeofvelocitywithrespecttotime.

Inertia:Thetendencyofanobjecttoresistchangesinitsstateofmotion.

Kinematics:Thestudyofmotionwithoutconsideringitscauses.

Kinetics:Thestudyoftheforcescausingmotion.

Friction:Theresistancetomotionbetweentwosurfacesincontact.

Impulse:Theproductofaforceandthetimeoverwhichitacts,causingachangeinmomentum.

Momentum:Theproductofanobject’smassandvelocity.

ProjectileMotion:Themotionofanobjectlaunchedintotheairundertheinfluenceofgravity.

2.3MechanicsofMaterials

Elasticity:Theabilityofamaterialtodeformandreturntoitsoriginalshapewhentheexternalforcesareremoved.

Plasticity:Thepermanentdeformationofamaterialbeyonditselasticlimit.

YieldStrength:Themaximumstressamaterialcansustainbeforepermanentdeformationoccurs.

UltimateStrength:Themaximumstressamaterialcansustainbeforeitfractures.

Fatigue:Theweakeningofamaterialduetorepeatedstresscycles.

3.ManufacturingProcesses

3.1Machining

CuttingSpeed:Thespeedatwhichthecuttingtoolmovesinrelationtotheworkpieceduringmachining.

FeedRate:Thedistancethecuttingtoolmovesinaspecifieddirectionperrevolutionoftheworkpiece.

DepthofCut:Thedistancefromtheuntouchedsurfaceoftheworkpiecetothedeepestpointofthecut.

ToolWear:Thegradualdeteriorationofacuttingtoolduetothefrictionandheatgeneratedduringmachining.

Chip:Thematerialremovedfromtheworkpieceduringmachining.

3.2Welding

ArcWelding:Aweldingprocessthatusesanelectricalarcbetweenanelectrodeandthebasematerialtocreateaweld.

GasWelding:Aweldingprocessthatusesafuelgasflametogeneratetheheatrequiredforfusion.

ResistanceWelding:Aweldingprocessthatjoinsmaterialsbyapplyingpressureandelectriccurrent.

WeldBead:Thedepositedmaterialduringtheweldingprocess.

WeldJoint:Theregionwheretwoormorematerialsarejoinedtogether.

4.Conclusion

Thefieldofmechanicalengineeringisvastanddynamic,requiringasolidfoundationintechnicalvocabularytoeffectivelycommunicateandunderstanditsprinciples.Inthisdocument,wehavecompiledacomprehensivelistofmechanicalengineeringterms,coveringvariousconceptsandmanufacturing