1. Hom tsis ua haujlwm ntawm cov khoom siv kho tshuab: tag nrho cov pob txha tawg, ntau qhov seem deformation, kev puas tsuaj ntawm qhov chaw (corrosion, hnav thiab tiv taus qaug zog), tsis ua haujlwm los ntawm kev puas tsuaj rau kev ua haujlwm ib txwm muaj.
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2. Cov kev xav tau uas cov qauv tsim yuav tsum ua kom tau raws li: cov kev cai kom tsis txhob ua tsis tiav nyob rau hauv lub neej predetermined (lub zog, nruj, lub neej), cov txheej txheem kev cai, kev khwv nyiaj txiag, kev xav tau me me, thiab kev ntseeg siab.
3. Cov qauv tsim qauv: cov qauv muaj zog, cov qauv nruj, cov qauv kev ua neej, cov qauv kev vibration stability, cov qauv kev ntseeg tau
4. Kev tsim qauv ntawm qhov chaw: theoretical design, empirical design, model test design
5. Cov khoom siv feem ntau siv rau cov khoom siv tshuab: cov khoom siv hlau, cov khoom siv polymer, cov ntaub ntawv ceramic, cov khoom sib xyaw
6. Lub zog ntawm qhov chaw tau muab faib ua: lub zog muaj zog zoo li qub thiab kev ntxhov siab tsis sib xws
7. Kev ntxhov siab piv r=-1 yog symmetrical cyclic stress; r=0 yog pulsating cyclic stress
8. theem BC yog strain fatigue (low voj voog qaug zog); CD yog qhov kawg ntawm lub neej qaug zog; kab ntu tom qab taw tes D sawv cev rau lub neej infinite qaug zog theem ntawm tus qauv; point D yog qhov kawg ntawm kev qaug zog
9. Kev ntsuas los txhim kho lub zog qaug zog ntawm qhov chaw: txo qhov cuam tshuam ntawm kev ntxhov siab ntawm cov khoom kom ntau li ntau tau (load txo qhov zawj, qhib lub nplhaib zawj), xaiv cov ntaub ntawv uas muaj zog qaug zog thiab qhia cov txheej txheem kev kho cua sov thiab cov txheej txheem ntxiv uas tuaj yeem ua tau. txhim kho qhov qaug zog ntawm cov ntaub ntawv
10. Kev sib txhuam zawv zawg: kev sib txhuam qhuav, kev sib txhuam ntawm ciam teb, dej sib txhuam thiab sib xyaw
11. Cov txheej txheem hnav ntawm qhov chaw: khiav-hauv theem, ruaj khov theem, thiab hnyav hnav theem; kev siv zog yuav tsum tau ua kom luv lub sij hawm khiav, ncua lub sij hawm ruaj khov, thiab ncua sij hawm tuaj txog ntawm kev hnav hnyav.
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12. Kev faib tawm ntawm kev hnav: nplaum hnav, hnav hnav, qaug zog hnav, yaig hnav, hnav corrosion, hnav fretting
13. Lubricants muab faib ua plaub hom: roj, kua, khoom thiab semi-solid; roj tau muab faib ua: calcium-raws li roj, nano-raws li roj, lithium-raws li roj, roj-raws li txhuas
14. Ib qho yooj yim txuas xov yog ib daim duab peb sab sib npaug nrog cov khoom zoo ntawm tus kheej; kev sib kis tau zoo ntawm cov kab sib txuas xov yog siab dua li ntawm lwm cov xov; Trapezoidal kis xov yog feem ntau siv xov kis tau tus mob
15. Feem ntau siv cov xov sib txuas yuav tsum muaj cov khoom siv ntawm tus kheej, yog li cov xov ib leeg feem ntau siv; Kev sib kis xov yuav tsum muaj kev sib kis tau zoo, yog li ob txoj xov lossis peb-xov xov feem ntau yog siv
16. Ordinary bolt kev twb kev txuas (nrog ib tug los ntawm lub qhov los yog hinged qhov ntawm qhov txuas), ob-headed stud kev twb kev txuas, ntsia hlau txuas, teem ntsia hlau txuas
17. Lub hom phiaj ntawm threaded kev twb kev txuas ua ntej zawm: txhim khu kev ntseeg tau thiab nruj ntawm kev sib txuas, thiab kom tsis txhob muaj qhov sib txawv los yog cov txheeb ze slippage ntawm cov khoom sib txuas tom qab thauj khoom. Qhov teeb meem tseem ceeb ntawm threaded kev twb kev txuas loosening: tiv thaiv kev sib hloov ntawm cov ntsia hlau khub thaum thauj khoom. (Kev sib txhuam los tiv thaiv loosening, mechanical anti-loosening, anti-loosening los ntawm kev rhuav tshem cov ntsia hlau khub kev sib raug zoo)
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18. Kev ntsuas los txhim kho lub zog ntawm kev sib txuas ntawm threaded: txo qhov kev ntxhov siab amplitude uas cuam tshuam rau lub zog qaug zog ntawm lub ntsia liaj qhov rooj (txo kom lub bolt txhav los yog ua kom lub zog nruj ntawm cov khoom sib txuas), txhim kho cov khoom tsis sib xws ntawm cov xov hlau, txo cov kev cuam tshuam ntawm kev ntxhov siab concentration, thiab siv cov txheej txheem tsim khoom tsim nyog
19. Hom kev sib txuas tseem ceeb: tiaj tus tseem ceeb txuas (ob tog yog qhov chaw ua haujlwm), kev sib txuas tseem ceeb semicircular, wedge qhov tseem ceeb txuas, tangential qhov tseem ceeb txuas
20. Kev sib kis tau muab faib ua: hom kev sib txhuam thiab meshing hom
21. Qhov kev ntxhov siab siab tshaj plaws ntawm txoj siv tam sim no tshwm sim ntawm qhov chaw nruj ntawm txoj siv tawv pib cua ncig ntawm lub rub lub me me; txoj siv tawv hloov plaub zaug rau ib lub voj voog
22. Tensioning ntawm V-siv kis tau tus mob: tsis tu ncua tensioning ntaus ntawv, tsis siv neeg tensioning ntaus ntawv, tensioning ntaus ntawv siv tensioning pulley
23. Tus naj npawb ntawm cov saw txuas ntawm cov menyuam saw feem ntau yog ib tus lej sib npaug (tus naj npawb ntawm cov hniav ntawm lub sprocket yog tus lej khib), thiab cov saw txuas ntau dhau yog siv thaum cov hlua khi hlua khi yog tus lej khib.
24. Lub hom phiaj ntawm cov saw hlau tensioning: kom tsis txhob muaj cov meshing tsis zoo thiab cov saw hlau vibration thaum lub sag ntawm lub xoob ntawm cov saw loj dhau, thiab ua kom lub meshing qhwv lub kaum sab xis ntawm cov saw thiab sprocket.
25. Gear tsis ua hauj lwm hom: cov hniav puas lawm, hniav nto hnav (qhib iav), hniav nto pitting (kaw iav), hniav nto gluing, yas deformation (ridges tshwm rau ntawm lub log tsav, grooves tshwm nyob rau ntawm lub log tsav)
26. Gears nrog hardness ntau dua 350HBS lossis 38HRS yog hu ua hard-faced gears; txwv tsis pub, lawv yog cov ntsej muag muag muag
27. Kev txhim kho kev tsim khoom raug thiab txo txoj kab uas hla ntawm lub iav kom txo qis peripheral ceev tuaj yeem txo qhov dynamic load; txhawm rau txo cov dynamic load, lub iav tuaj yeem kho rau saum cov hniav; cov iav hniav yog tsim los ua ib lub nruas zoo los txhim kho cov hniav iav. load faib
28. Tanr=z1:q (diameter coefficient) Qhov loj dua lub kaum sab xis ntawm cov hlau lead, qhov ua tau zoo dua thiab qhov ua rau nws tus kheej tsis zoo.
29. Tshem tawm cov cab cab. Tom qab hloov chaw, lub suab lub voj voog ntawm cov iav iav thiab lub suab lub voj voog tseem sib npaug, tab sis lub suab kab ntawm tus cab tau hloov pauv thiab tsis sib haum nrog lub suab voj voog.
30. Hom tsis ua hauj lwm ntawm worm tsav: pitting corrosion, cov hniav hauv paus hniav puas, cov hniav nto gluing thiab hnav ntau dhau; tsis ua hauj lwm feem ntau tshwm sim ntawm cov kab mob cab
31. Fais fab poob ntawm kaw worm tsav: meshing hnav poob, bearing coj poob, roj txaws poob thaum qhov chaw nkag mus rau hauv cov roj pas dej ua ke roj.
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32. Cov cab cab yuav tsum suav cov cua sov sib npaug raws li qhov xwm txheej uas tus nqi calorific ib lub sij hawm yog sib npaug rau cov cua kub dissipation tib lub sij hawm. Kev ntsuas: ntxiv cov dab dej kub thiab ua kom cov cua sov ua kom sov, teeb tsa cov kiv cua ntawm qhov kawg ntawm cov cab cab kom nrawm nrawm, thiab nruab cov dab dej kub hauv lub thawv kis tau tus mob Built-in circulating txias pipeline
33. Tej yam kev mob rau kev tsim hydrodynamic lubrication: ob qhov chaw uas swb kuj yuav tsum tsim ib tug convergent wedge-zoo li tus kis; ob qhov chaw sib cais los ntawm cov roj zaj duab xis yuav tsum muaj cov txheeb ze txaus zawv zawg ceev, thiab nws txoj kev txav yuav tsum ua kom cov roj lubricating ntws los ntawm lub qhov ncauj loj mus rau hauv lub qhov ncauj me me; lubrication Cov roj yuav tsum muaj ib qho viscosity, thiab cov roj yuav tsum txaus
34. Cov qauv yooj yim ntawm dov bearings: lub nplhaib puab, lub nplhaib sab nraud, lub cev hydrodynamic, lub tawb
35. 3 tapered menyuam bearings, 5 thrust pob bearings, 6 sib sib zog nqus groove pob bearings, 7 angular contact bearings, N cylindrical roller bearings 00, 01, 02, 03 feem d=10mm, 12mm, 15mm , 17mm 04 txhais tau tias d= 20mm, 12 txhais tau tias d=60mm
36. Basic rating life: 10 feem pua ntawm cov bearings nyob rau hauv ib pawg ntawm bearings muaj pitting puas, thiab 90 feem pua ntawm cov bearings tsis muaj pitting puas, thiab pes tsawg lub sij hawm ua hauj lwm yog lub neej ntawm cov bearings.
37. Basic rated dynamic load: Thaum lub hauv paus ntsuas lub neej ntawm cov kabmob yog raws nraim 106 revolutions, lub load uas cov kabmob tuaj yeem dais.
38. Bearing configuration method: ob fulcrums yog tsau nyob rau hauv ib qho kev taw qhia txhua, ib tug taw tes yog bidirectionally tsau thiab lwm kawg fulcrum yog ua luam dej, thiab ob qho tag nrho yog floating txhawb
39. Bearings muab faib los ntawm kev thauj khoom: ncej (bending moment and torque), mandrel (bending moment), drive ncej (torque)
