Analiza angrenaj cu roti dintate

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  • 8/17/2019 Analiza angrenaj cu roti dintate

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    Vekvfrsktgtfg tflekmg ’Cl. Gsgmlk‐ , KG]K

    Agmuitgtfg bf @fmgekmg

    Bfpgrtg`fet K.@.@.T

    GEGIKG !V "I"@"E#" AKEK#" G VEVK

    GECT"EG$ !V T%#K BKE#G#" !V BKE#K BT"K

    • ]tubfet, G'gpkgeu @klgk(Kustke

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    Kgsk,)*+

     Gegikzg mu fif`fetf aektf g ueuk gecrfegh mu

    rntk bketgtf mu bketk brfptk

    +. Ketr-bumfrf

    @ftnbg fif`fetfinr aektf (@FA) fstf prkemkpgiui prnmfbfu bf bksmrftkzgrf utkikzgt åe `fmgekmg strumturkinr. Mnemfptui bf dgzg ke @FA mnestg ke sudbkvkzgrfg `nbfiuiuk `gtf`gtkm ke sudmn`pnefetf mu nr`g cfn`ftrkmg sk`pig, mgrf eu sf suprgpue, eu`ktf fif`fetf aektf.

    _fetru g fvkbfetkg keufetg pgrg`ftrkinr cfn`ftrkmk gsuprg rntkinr bketgtf mu bketk brfptk s!g kemfrmgt n `nbfigrf g bnug fpruvftf ke sfesui snikmktgrkk , ke mnebktkk stgtkmf g bketkinr.

    "fzuitgtfif sf rffrg ig tfeskuek bf mnetgmt (pf gemurk) sk ig mfif bf kemnvnkfrf ig dgzg bketfiuk. ). @-bfif utkikgtf

    ).+. @-bfiui fv-ivfetkm

    _grg`ftrk kektkgik# `$%, z&$&', z$%, g$* bfc.

    +e gmfst mgz, `nbfigrfg pgrg`ftrkmg sf gmf mu gutnrui uenr fmugtkk bftfr`kegtf prke puemtf kesfrgtf , bf gmffg sf vg kemfpf mu `nbuiui ]lgpf ” Cfefrgtkvf ]lgpf Bfskce.

    _fetru bfaekrfg pgrg`ftrkinr fvnivfetfk vn` sfifmtg -kmnektg

    nr`uifinr (x) bke dgrg bf ns./kmksf vnr ketrnbumf pgrg`ftrkk kektkgik# eu`grui bf bketk ,z (bf tkp +etfcfr), g (bf tkp /ecif) sk `nbuiui ,` (bf tkp ?fec7t).4ntk mfkigitk pgrg`ftrk vnr bfpkebf bf gmfstk trfk pgrg`ftrk prfbfaektk prke nr`uif sgu fmugtkk mf bfaefsm cfn`ftrkg bketfiuk.

    =gmg sf bnrfstf `nbkamgrfg pgrg`ftrkinr mrffgtk, ke grdnrfif bf

    spfmkamgtkk, sud _grg`ftfrs sf pngtf sfifmtg prke budiu!mikm2 nrkmgrf

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    bke pgrg`ftrkk mrffgtk , kgr bke frfgstrg gpgrutg sf pngtf `nbkamg gtgt bfeu`krfg pgrg`ftruiuk mgt sk vgingrfg sg.

    +e mnetkeugrf, vn` mrffg nr`uif bf dgzg pfetru rgzg mfrmuiuk bf bkvkzgrf(rb), rgzg mfrmuiuk bf mgp(r g), rgzg mfrmuiuk bf gzg(r), rgzg mfrmuiuk bf pkmknr(r), mgt sk pfetru rgzg bf rgmnrbgrf bf ig pkmknrui bketfiuk (!").

    _rk`ui fif`fet mf ki vn` bfaek vg a rgzg mfrmuiuk bf bkvkzgrf. 4nt bke mn`gebg nr`uigs (6) vn` gifcf tkpui pgrg`ftruiuk -?fec7t, bupg mgrf vn` ketrnbumf nr`uig bnrktg , mg ke acurg gigturgtf , gbkmg # `1z3. =upg gmfigsk prkemkpku vnr a bfaektk sk mfkigitk pgrg`ftrk `nbkamgebu!sf bngr nr`uig sk geu`f#

    • pfetru rgzg mfrmuiuk bf mgp rg#rb$`<

    • pfetru rgzg mfrmuiuk bf dgzg r#rb%mns(g)&

    • pfetru rgzg mfrmuiuk bf pkmknr r#rb'(*+%`)&

    • pfetru rgzg bf rgmnrbgrf ig pkmknrui bketfiuk !"#,-*+%`.

    _rnaiui fvnivfetkm gi bketfiuk fstf stgdkikt; pf dgzg uenr ifck bfaektf prke pfrfm7k bf puemtf mgrtfzkfef,(;b,zb),  .b#r%(ske(t%pk)'mns(t%pk)%t%pk)

      zb#r%(mns(t%pk)$ske(t%pk)%t%pk). _fetru g bfaek gmfstf fmugtkk , sf vg utkikzg mn`gebg .

    +e mnetkeugrf bke `fekui /esfrt, vn` mrffg ue enu Cfn`ftrkmgi ]ft, gbkmg ue mnrp cfn`ftrkm sud mgrf sf vnr mnetkef fif`fetfif mnestrumtkkinr cfn`ftrkmf. Fstf n `ftnbg bf g nrbneg mnestrumtkkif cfn`ftrkmf, puemtf, ikekk, pigef, s.g. ketr!ue skecur inm, ke grdnrfif bf

    spfmkamgtkk, `gkpuigrfg inr, prfmu` sk `nbkamgrfg inr, gmfgstg `ftnbgakeb ngrtf famkfetg uitfrknr. 8r`fgzg sg bfaek` sgsf puemtf prke ifckif pgrg`ftrkmf ;b(t)sk

    zb(t)._rk`ui puemt vg a mrffgt m7kgr ke nrkckef mu mnnrbnegtfif (*,*,*) gstfi, sf gmmfsfgzg kmnektg _nket bf pf dgrg bf kestru`fetf  ?krfrg`f, sfifmtgebu!sf mg tkp bf puemtf Mnnrbkegtfs. _fetru bfaekrfg ur`gtnruiuk puemt , sf vg prnmfbg gstfi#

    6$*  ;$sf vg gmf mikm2 brfgptg sk sf gifcf 74bkt nr`uig= sk sf vg

    ketrnbumf nr`uig # ;b$!figtknes2.b-4vgiugtf(,)

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    6$*  ;$ "figtknes9;b.Fvgiugtf(*.&)< z$ "figtknes9zb.Fvgiugtf(*.&)<

    _fetru puemtui 0# 6$*

     ;$ "figtknes9;b.Fvgiugtf(*.)

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    gifcf tkpui /6ks!/ecif , ke mg`piu fif`fet , sf gifcf F6trgpni.&, gbkmg murdg >pikef f6trgpnigtf, mg sk g6g bf rntgtkf sf gifcf g6g G ,kgr pfetru bfaekrfg uec7kuiuk bf rntkrf , sf bg mikm2 brfgptg sk sf gifcf 4bkt nr`uig gifcgebu!sf pgrg`ftrui a mg sk uec7k bf rntkrf./stfi s!g ffmtugt rntkrfg murdfk bf tkp >pikef (acurg

    getfrkngrg).+e mnetkeugrf vn` trgsg bnug mfrmurk (mfrmui bf mgp sk bf pkmknr), gpfigeb ig mn`gebg 1krmif bf pf dgrg ?krfrg`f- Mfetrui mfrmuiuk sf stgdkifstf ke nrkckef, mg sk supnrt gifcf` pigeui BO, kemfputui mfrmuiuk sf gifcf ig * bfc. , kgr sgrsktui sf gifcf ig &* bfc.."gzg mfrmuiuk sf vg bfaef prke nr`uig bfaektg getfrknr (rg). ?g fi sf prnmfbfgzg sk mu mfrmui bf pkmknr , mu ndsfrvgtkg mg sf `nbkamg rgzg (r).

    >f vg mrfg n rgmnrbgrf ketrf mfrmui bf pkmknr r sk prnaiui

    fvnivfetkm gi bketfiuk. /pfig` mn`gebg 1nrefr  bf pf dgrg ?krfrg`fgifcgeb ur`gtngrfif sftgrk# ke dgrg 1nrefr tkpf gifcf` Mnrefr ne suppnrt, fif`fetui & vg a murdg "ntgtf & ndtkeutg prke rntkrfg mu uec7kui a gi murdfk spikef, fif`fetui  vg a mfrmui Mkrmif. (Mfrmui bf pkmknr), supnrtui sf gifcf mfi k`pikmkt (BO), kgr rgzg sf vg bfaef mg n nr`uig, ke mgrf sf gifcf mg pgrg`ftru (").

    _rnaiui ur`gtnruiuk bketf vg gvfg n rgmnrbgrf kbfetkmg, bfmk sf pngtf mrffg n sk`ftrkf gtg bf rgmnrbgrfg bfg f6kstfet gtg bf ue geu`kt pige. /mfst enu pige sf vg mrffg ig ue geu`kt uec7k gtg bf

    pigeui OG sk bfpkebf bf eu`grui bf bketk,z. /stfi bf pf dgrg ?krfrg`f ,vn` gifcf dutneui _igef , bfaekeb ue pige enu. +e frfgstrg gpgrutg , gifcf` mg tkp bf pige /ecif3Cnr`gi tn pigef, kgr mg g6g bf rntgtkf, gpikmg` mikm2 brfgptg sk gif6f` G /6ks.+e mg`pui "ffrfemf, mg sk rffrketg , sf bg mikm2 brfgpt sk sf gifcf pigeui OG._fetru stgdkikrfg uec7kuiuk bf rntgtkf g pigeuiuk sf stgdkifstf bke enu n nr`uig sk geu`f 3,bfcf gifcf

    bf pf dgrg "pfrgtkne ].`ftr. , bfsm7kzgebu!sf frfgstrg >;`ftr;=faektkne. Mg sk fif`fet sf vg gifcf rgmnrbui Mnrefr.&, mg rffrketg sf  vg gifcf pigeui getfrknr mrffgt _igef.&. _fetru gustgrfg mgpftfinr mfinr bnug rgmnrburk, sf vg utkikzg bf pf dgrg "pfrgtknes, uefgitg ]pikt.+e frfgstrg bfsm7ksg, sf gifcf mg fif`fet bf tgkfrf murdg spikef ndtkeutg prke rntkrf, "ntgtf.&, kgr mg fif`fetf bf tgkfrf (Muttkec Fif`fets), sfifmtg` mfrmui  (bf rgzg r) sk rgmnrbui mrffgt getfrknr Mnrefr.&.>k gstfi, s!g tgkgt pgrtfg bf ns gi murdfk spikef (s!g mn`piftgt ke grdnrfif bf spfmkamgtkk mu >pikt.&).

     /vgeb ke vfbfrf mg eu `gk gvf` efvnkf bf fif`fetfif mnestrumtkvf (mfif 5 puemtf sk murdg spikef kektkgig),if vn` gsmuebf prke sfifmtgrfg inr sk mu mikm2 brfgptg gifcgeb ;kbf

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    8r`fgzg mrffgrfg prke sk`ftrkf mfi bf!gi bnkifg prnai gi gemuiuk gtg bf pigeu OG. /stfi, sf gmmfsfgzg bke enu uefgitg ].`ftr.  bf pf dgrg bf uefitf "pfrgtknes. Mg fif`fet mf bnrk` sg mnpkf` prke sk`ftrkf sf gifcf >pikt.&, gbkmg fif`fetui tgkgt getfrknr, kgr mg rffrketg sf gifcf pigeui OG. >k gstfi, s!g mrffgt sk`ftrkg bnrktg. =upg npfrgtkg

    bf sk`ftrkf, vg trfvuk sg tgkf` pgrtkif keutkif bke fvnivfetf, nr`gtgebbketfif prnprku!zks gi bgeturkk. /ifcf` ]pikt bf pf dgrg "pfrgtknes  fif`fetui bf tgkfrf , vg a bke enu murdg >pikt.&, fif`fetui tgkftnr vg a mfrmui & (bf rgzg rg).Ln` rfpftg gmfgstg npfrgtkf bf tgkfrf, bngr mg

     vn` puef mg sk fif`fet bf tgkfrf murdg >;`ftr;., ndtkeutg prke sk`ftrkf g murdfk >pikt.&.Fif`fetui tgkftnr vg a gmfigsk mfrm mg sk ke pgsui prfmfbfet (bf rgzg rg). +e vfbfrfg uekrkk mgpftfinr f6trf`f gif mfinr bnug murdf , sf vg bfsfeg ue grm bf mfrm, gstfi# sf gmtkvfgzg kestru`fetui mkrmif bf pf dgrg

     ?krfrg`f, mg tkp bf mfrm sfifmtg` nptkuefg :8n pnkets geb rgbkus,gbkmg mfif bnug puemtf f6trf`f sk rgzg mfrmuiuk bf mgp, rg. >fifmtg` pf rgeb mfif bnug f6trf`ktgtk, bf pf mfif bnug murdf _nket& sk _nket . Mg suppnrt, bg` mikm2 brfgptg ke zneg gmtkvf g mg`puiuk ]uppnrt sk gifcf` pigeui BO. "gzg grmuiuk bf mfrm vg a fcgig mu rgzg mfrmuiuk bf mgp rg, gstfi mg vn` k`puef gmfst iumru prketr!n

    nr`uig._fetru pgrtfg kefrkngrg gbkmg rgmnrbgrfg mfinr bnug rgmnrburk mrfgtf, sf rfpftg pgskk getfrknr, bngr mg grmui bf mfrm snikmktgt vg a fcgi mu r, gbkmg mu rgzg mfrmuiuk bf pkmknr. /mfst iumru sf k`puef tnt prketr!n nr`uig./stfi s!g bfaektkvgt nr`g bketfiuk. +e mnetkeugrf sf vnr gsmuebf tngtf mnestrumtkkif gutgtngrf rg`gegeb pf spgtkui bf iumru bngr prnaiui bketfiuk mg ke acurg ur`gtngrf.

    >k g` gues ig uitk`g ftgpg g fif`fetfinr mnestrumtkvf sk geu`f uekrfggmfstnr fif`fetf. >f gmtkvfgzg dutneui 9nke bf pf dgrg bf kestru`fetf "pfrgtknes. Mg 4if`fets tn 9nke , sf sfifmtfgzg tngtf fif`fetfif mf bftfr`keg prnaiui bketfiuk (Mnrefr.&, >;`ftr;.&, >pikt., Mkrmif. sk Mkrmif.:). >f vg ndsfrvg rfzuitgtui uekrkk prke gpgrktkg ke grdnrfif bf spfmkamgtkk g fif`fetuiuk Knke.&. +e vfbfrfg `uitkpikmgrkk gmfstnr fif`fetf uektf sf vg ninsk kestru`fetui 1krmuigr _gttfre bf pf dgrg !fpikmgtkne. /vgeb ke vfbfrf mg eu`grui bf mnpkk bfpkebf bf eu`grui bf bketk z , vgingrfg gmfstnr `uitkpikmgrk sf vg stgdkik prketr!n nr`uig, prke mikm2 brfgptg pf zneg gmtkvg g mg`puiuk /estgemfs sk gifcgeb 4bkt nr`uig. >f vg gifcf pgrg`ftrui z, eu`grui bf bketk mg sk nr`uig. Mg tkp bf `uitkpikmgrf sf gifcf Mn`piftf mrnH