Tsis zoo li Lego zog thiab shafts qhia hauv qab no feem ntau motors muaj zoo kawg nkaus puag ncig shafts. Qhov no ua rau txuas lub zog, rub thiab sprockets nyuaj.
Cov txheej txheem tseem ceeb ntawm kev txuas lub zog rau cov ncej yog cov nplaum, xovxwm-fitting, hla drilled qhov, compression, teem screws, keyways, involute splines thiab taper xauv bushings. Cov ntawv thov kev lag luam feem ntau yuav siv cov keyways thiab / lossis teeb tsa cov ntsia hlau. Thaum cov nplaum nplaum thiab xovxwm haum feem ntau yog ua tiav ntawm cov torque tsawg lossis kev nyiam ua haujlwm.
Cia peb tshawb xyuas txhua txoj kev uas ntsuas qhov zoo thiab qhov tsis zoo. Kuv kuj yuav siv cov nqe lus; gears, pulleys, sprockets thiab cams, interchangeably raws li tsab xov xwm no hais txog yuav ua li cas lub cuab yeej mounted, tsis yog nws ua li cas.
Adhesives
Adhesives feem ntau yog siv rau hauv daim ntawv thov kev nyiam nrog cov yas gearing. Tsis yog vim tias cov iav yas tsis tuaj yeem tuav ntau lub zog, tab sis kuj vim tias qhov loj ntawm cov ncej tseem me me hauv txoj kab uas hla.
Raws li tus ncej txoj kab uas hla nce lub zog txheeb ze ntawm cov kua nplaum sib koom ua ke thiab lub zog ncej sib npaug ntawm kwv yees li 3/16 "(5 hli) thaum siv cov nplaum nplaum ruaj khov ntawm 1000 psi (7 N / mm) thiab ncej ntawm C1018 steel ( 54 ksi, 370 MPa).
Kev xaus: siv cov nplaum nplaum yog qhov kev xaiv zoo rau cov ncej me me
Raws li tau hais, feem ntau cov tuam txhab nplaum yuav tshaj tawm lub zog ntawm lub puab tsaig tsawg kawg yog 1000 psi thiab qee qhov siab li 3000+ psi. Kev ntsuam xyuas lap shear yog ua tiav los ntawm kev muaj ob qhov ntev slimy tuav txuas ua ke nrog cov kua nplaum dhau ntawm thaj chaw ntsuas. Qhov kawg ntawm cov tuav yog rub tawm mus txog thaum tsis ua hauj lwm. Lub zog yog muab faib los ntawm cheeb tsam thiab qhov tshwm sim yog lub lap shear lub zog.
Kuv feem ntau tsim nyob ib ncig ntawm tus lej qis ntawm kev tshaj tawm shear lub zog ntawm no vim muaj ntau yam ntawm kev ua si uas tuaj yeem txo qis lub zog tiag tiag. Ntawm cov no yog kev npaj nto, daim ntawv thov cheeb tsam, kub thiab av noo.
Ua ntej siv cov nplaum nplaum, koj yuav tsum tau ua kom tawv nqaij ntawm lub rub thiab lub ncej nrog qee cov ntawv xuab zeb (~ 200 - 300 grit) lossis cov ntaub ntawv zoo. Qhov no yuav muab cov kua nplaum me me rau lob mus. Tom qab ntawd koj yuav xav ntxuav thiab degrease nrog cov tshuaj ntxuav thiab ces qhuav tag nrho. Kuv nyiam siv lub tshuab ntxhua khaub ncaws feem ntau vim kuv muaj nyob ib puag ncig.
Txhawm rau txheeb xyuas seb koj daim ntawv thov puas tuaj yeem siv lub zog siv. Siv cov qauv hauv qab no.
Qhov twg Cheeb Tsam yog thaj chaw nruab nrab ntawm tus ncej thiab lub rub, d yog txoj kab uas hla, L yog qhov sib tshooj ntev rau lub ncej thiab rub, F yog lub zog shear sab hauv nruab nrab ntawm ncej thiab rub, Ssyog lub zog shear ntawm cov nplaum, thiab T yog siv (los yog siab tshaj plaws torque).
Siv qhov nruab nrab cov nplaum shear zog ntawm 1000 psi, ib txoj kab uas hla ntawm 0.19 nyob rau hauv, thiab sib tshooj ntev ntawm 0.38 nyob rau hauv, peb tuaj yeem pom tias peb qhov siab tshaj plaws Torque yog 43.1 hauv lb.
Muaj peb lub ntsiab cons ntawm kev siv cov nplaum nplaum los koom nrog lub pulley mus rau lub ncej
Lub torque yog txwv los ntawm txoj kab uas hla thiab nplaum lub zog raws li twb tau hais lawm
Nws muaj peev xwm ua kom muaj cov ncej thiab rub tawm ntawm qhov chaw nruab nrab thiab / los yog perpendicular. Qhov no tuaj yeem txo qis los ntawm kev ua siab ntev ntawm ob, tab sis tsis nruj heev uas koj yuav so tawm tag nrho cov kua nplaum.
Tsis muaj txoj hauv kev los kho lossis hloov cov khoom tsis muaj peev xwm ua kom puas 1 lossis ob qho tib si. Kev hloov kho yog qhov tseem ceeb thiab txoj kev no tsis tso cai rau nws kiag li.
Xovxwm-Fitting
Xovxwm-fitting yog ib txoj kev sim thiab muaj tseeb ntawm kev txuas cov iav rau cov ncej. Nws tau siv nyob rau hauv kev lag luam kev tsheb ciav hlau raws li ib txoj hauv kev txuag nyiaj thaum lub log sib dhos hnav los yog tawm ntawm qhov chaw.
Lub ntsiab log welding muaj ib tug precision machined txoj kab uas hla thiab ces ib tug nyias band ntawm hardened steel yog siv nyob ib ncig ntawm nws. Cov qhab los yog "tsheb log" yog qhov tseeb me dua li lub tshuab ua haujlwm. Qhov no tso cai rau cov khoom siv pheej yig los hloov ib lub sij hawm mus rau lub sij hawm es tsis txhob ntawm tag nrho cov log sib dhos.
Cov yeeb yaj kiab hauv qab no qhia tau hais tias lub log tsheb raug tshem tawm ntawm lub log los ntawm kev siv cua sov. Cov hlua yuav nthuav dav hauv txoj kab uas hla thaum qhov kub nce. Lub log ( puab txoj kab uas hla) yuav nyob twj ywm ib yam loj vim hais tias nws muaj ntau ntau thiab yuav radiate tshav kub sai dua.
Lub sijhawm no, cov qhab tuaj yeem raug pried tawm thiab ib qho tshiab ntsia los ntawm tib txoj kev.
Vim tias tsis muaj qhov ntsuas qhov ntsuas ntawm qhov no, nws yog 100% raws li kev sib txhuam thiab nws tuaj yeem plam. Kev ntsuas thiab txiav txim siab cov xovxwm haum yog qhov nyuaj thiab cov kev xav feem ntau yuav tsum tau ua.
Qhov twg Pr yog lub siab nruab nrab ntawm qhov chaw, δ yog tus nqi ntawm cov xovxwm haum, d yog lub taub hau, doyog sab nraud ntawm lub hub lossis iav, diyog lub puab txoj kab uas hla ntawm lub ncej (yog hollow), μ yog cov coefficient ntawm kev sib txhuam ntawm cov ntaub ntawv thiab E thiab ν yog cov Young's Modulus thiab Poisson tus piv ntawm cov ntaub ntawv.
Nias haum gears ntawm ib tug ncej
Cov cua kub ntawm cov khoom yuav ua rau kom txoj kab uas hla; yog li ntawd, txo tus nqi ntawm cov xovxwm haum, δ. Qhov no ua rau cov iav tau yooj yim dua los yog tawm, tab sis qhov kawg tshwm sim tib yam thaum nws txias.
Yog tias ua qhov no hauv tsev nrog cov iav yas. Sim ua kom sov lawv nyob rau hauv qhov cub ntawm 175 degree mus rau 200 degree (79 degree rau 93 degree) thiab ces zawv zawg lawv rau ntawm ncej.
Txoj kev no yog kho tau, tab sis tsis yooj yim thiab koj yuav tsum tau disassemble ntau yam khoom kom sov tsis ua kom puas.
Hla Drilled Qhov
Drilling ib lub qhov los ntawm ob lub iav hub thiab ncej yog ib txoj hauv kev zoo kom tau txais ntau lub zog. Nws kuj tseem tiv thaiv cov ncej kom tsis txhob overloaded vim hais tias tus pin yuav shear (lov) yog tias lub torque ntau dhau. Muaj peb yam tseem ceeb ntawm tus pins siv hauv daim ntawv thov no tau teev tseg hauv qab no los ntawm qhov tsis muaj zog mus rau qhov muaj zog tshaj plaws.
Hla Drilled Qhov nrog Yob (Lub Caij Nplooj Hlav) Pin
Yob (caij nplooj ntoos hlav los yog slotted) Pins - Cov no yog cov kab ncaj nraim uas tau dov mus rau ib puag ncig. Lawv nyiam lub caij nplooj ntoos hlav qhib (li no lub caij nplooj ntoos hlav pins) tso cai kom txaus ntawm cov xovxwm kom tus pin yuav tsis plam tawm. Kuv pom zoo cov no dua lwm qhov kev xaiv ob.
Shear Pins - Cov pins no yog cov khoom ruaj khov thiab muaj qhov taw qhia ntawm qhov nruab nrab qhov twg tus pin yog tsim los ua tsis tiav ntawm lub zog tshwj xeeb. Nws yog ib qho tseem ceeb kom tau txais tus pin qhov twg qhov thais yuav nyob ntawm tib lub dav hlau raws li txoj kab uas hla.
Dowel Pins - Cov no tsuas yog lub zog siab zog pins. Yog tias koj lub qhov loj dhau lawm, tej zaum koj yuav tau muab cov nplaum rau hauv qhov chaw (shear pins ib yam nkaus). Yog tias koj daim ntawv thov thim rov qab kev taw qhia lossis kev thauj khoom, koj tuaj yeem txhawb kom cov kua nplaum ua tsis tiav ntxov thiab tus pin kom poob.
Txhua tus pins yuav muaj kev tshaj tawm tawg lub zog thiab koj tuaj yeem xaiv txoj kab uas hla thiab hom raws li qhov sib npaug hauv qab no. Fsyog lub zog shear, T yog thov torque thiab d yog lub taub hau.
Txoj kev no ua rau koj muaj peev xwm los tuav ntau lub zog, tab sis tseem tsis tau muab kev hloov kho thaum lub qhov drilled. Yog tias koj mess ntau dhau lawm, lub ncej yuav zoo li Swiss Cheese.
Ntawm qhov txiaj ntsig tseem ceeb yog ze li txhua tus tuaj yeem ua qhov sib koom ua ke. Txhua yam koj xav tau yog laum, laum cov khoom thiab rauj.Kuv pom zoo kom drilling ib txoj kab me me 1/16 - 3/32 ua ntej thiab xyuas koj qhov kev sib raug zoo nrog tus pas txhuam hniav.Yog tias nws zoo, tho nws tawm mus rau txoj kab uas hla koj xav tau. Yog tias tsis yog, tig mus rau lwm qhov ntawm tus ncej thiab sim dua.
Yuav Ua Li Cas Txuas Gears, Sprockets thiab Pulleys rau Shafts
Sau los ntawm Corey Rasmussen hauv Gears, Mechanical Design Last Updated Lub Yim Hli 22, 2024
Tsis zoo li Lego zog thiab shafts qhia hauv qab no feem ntau motors muaj zoo kawg nkaus puag ncig shafts. Qhov no ua rau txuas lub zog, rub thiab sprockets nyuaj.
Cov txheej txheem tseem ceeb ntawm kev txuas lub zog rau cov ncej yog cov nplaum, xovxwm-fitting, hla drilled qhov, compression, teem screws, keyways, involute splines thiab taper xauv bushings. Cov ntawv thov kev lag luam feem ntau yuav siv cov keyways thiab / lossis teeb tsa cov ntsia hlau. Thaum cov nplaum nplaum thiab xovxwm haum feem ntau yog ua tiav ntawm cov torque tsawg lossis kev nyiam ua haujlwm.
Cia peb tshawb xyuas txhua txoj kev uas ntsuas qhov zoo thiab qhov tsis zoo. Kuv kuj yuav siv cov nqe lus; gears, pulleys, sprockets thiab cams, interchangeably raws li tsab xov xwm no hais txog yuav ua li cas lub cuab yeej mounted, tsis yog nws ua li cas.
Adhesives
Adhesives feem ntau yog siv rau hauv daim ntawv thov kev nyiam nrog cov yas gearing. Tsis yog vim tias cov iav yas tsis tuaj yeem tuav ntau lub zog, tab sis kuj vim tias qhov loj ntawm cov ncej tseem me me hauv txoj kab uas hla.
Image Courtesy ntawm Creative Commons
Zoo siab xav kawm ntxiv txog Gears?
Sau npe rau Mentored Engineer's DAWB Comprehensive Gear Design Master Class ($ 500 Tus Nqi) uas suav nrog nws Planetary Gear Calculator ($ 250 Tus Nqi) thiab Cov Ntawv Xov Xwm Qhia Txog Tus Kws Ua Haujlwm txhua lub lim tiam
Lub npe:
Email zoo tshaj:
Cov Txheej Txheem Txheej Txheem Txheej Txheem Master Chav Kawm yog 17 ntu ntawm cov yeeb yaj kiab thiab cov ntawv uas koj yuav kawm:
Yuav ua li cas loj iav kom lawv mesh
Xam qhov kev ntxhov siab ntawm cov hniav iav
Xam cov iav piv nyob rau hauv planetary system
Tom qab ua tiav cov chav kawm no koj yuav muaj peev xwm tsim kom raug thiab spec iav thawv rau koj daim ntawv thov thawj zaug.
Cov chav kawm thiab lub tshuab xam zauv muaj qhov sib xyaw ua ke ntawm ntau dua $ 750! pub dawb
Peb hwm koj tus email ntiag tug
Raws li tus ncej txoj kab uas hla nce lub zog txheeb ze ntawm cov kua nplaum sib koom ua ke thiab lub zog ncej sib npaug ntawm kwv yees li 3/16 "(5 hli) thaum siv cov nplaum nplaum ruaj khov ntawm 1000 psi (7 N / mm) thiab ncej ntawm C1018 steel ( 54 ksi, 370 MPa).
Kev xaus: siv cov nplaum nplaum yog qhov kev xaiv zoo rau cov ncej me me
Raws li tau hais, feem ntau cov tuam txhab nplaum yuav tshaj tawm lub zog ntawm lub puab tsaig tsawg kawg yog 1000 psi thiab qee qhov siab li 3000+ psi. Kev ntsuam xyuas lap shear yog ua tiav los ntawm kev muaj ob qhov ntev slimy tuav txuas ua ke nrog cov kua nplaum dhau ntawm thaj chaw ntsuas. Qhov kawg ntawm cov tuav yog rub tawm mus txog thaum tsis ua hauj lwm. Lub zog yog muab faib los ntawm cheeb tsam thiab qhov tshwm sim yog lub lap shear lub zog.
Kuv feem ntau tsim nyob ib ncig ntawm tus lej qis ntawm kev tshaj tawm shear lub zog ntawm no vim muaj ntau yam ntawm kev ua si uas tuaj yeem txo qis lub zog tiag tiag. Ntawm cov no yog kev npaj nto, daim ntawv thov cheeb tsam, kub thiab av noo.
Ua ntej siv cov nplaum nplaum, koj yuav tsum tau ua kom tawv nqaij ntawm lub rub thiab lub ncej nrog qee cov ntawv xuab zeb (~ 200 - 300 grit) lossis cov ntaub ntawv zoo. Qhov no yuav muab cov kua nplaum me me rau lob mus. Tom qab ntawd koj yuav xav ntxuav thiab degrease nrog cov tshuaj ntxuav thiab ces qhuav tag nrho. Kuv nyiam siv lub tshuab ntxhua khaub ncaws feem ntau vim kuv muaj nyob ib puag ncig.
Txhawm rau txheeb xyuas seb koj daim ntawv thov puas tuaj yeem siv lub zog siv. Siv cov qauv hauv qab no.
Qhov twg Cheeb Tsam yog thaj chaw nruab nrab ntawm tus ncej thiab lub rub, d yog txoj kab uas hla, L yog qhov sib tshooj ntev rau lub ncej thiab rub, F yog lub zog shear sab hauv nruab nrab ntawm ncej thiab rub, Ssyog lub zog shear ntawm cov nplaum, thiab T yog siv (los yog siab tshaj plaws torque).
Siv qhov nruab nrab cov nplaum shear zog ntawm 1000 psi, ib txoj kab uas hla ntawm 0.19 nyob rau hauv, thiab sib tshooj ntev ntawm 0.38 nyob rau hauv, peb tuaj yeem pom tias peb qhov siab tshaj plaws Torque yog 43.1 hauv lb.
Muaj peb lub ntsiab cons ntawm kev siv cov nplaum nplaum los koom nrog lub pulley mus rau lub ncej
Lub torque yog txwv los ntawm txoj kab uas hla thiab nplaum lub zog raws li twb tau hais lawm
Nws muaj peev xwm ua kom muaj cov ncej thiab rub tawm ntawm qhov chaw nruab nrab thiab / los yog perpendicular. Qhov no tuaj yeem txo qis los ntawm kev ua siab ntev ntawm ob, tab sis tsis nruj heev uas koj yuav so tawm tag nrho cov kua nplaum.
Tsis muaj txoj hauv kev los kho lossis hloov cov khoom tsis muaj peev xwm ua kom puas 1 lossis ob qho tib si. Kev hloov kho yog qhov tseem ceeb thiab txoj kev no tsis tso cai rau nws kiag li.
Koom nrog Shafts ua ke? Mus saib peb phau ntawv qhia rau ncej txuas.
Xovxwm-Fitting
Xovxwm-fitting yog ib txoj kev sim thiab muaj tseeb ntawm kev txuas cov iav rau cov ncej. Nws tau siv nyob rau hauv kev lag luam kev tsheb ciav hlau raws li ib txoj hauv kev txuag nyiaj thaum lub log sib dhos hnav los yog tawm ntawm qhov chaw.
Lub ntsiab log welding muaj ib tug precision machined txoj kab uas hla thiab ces ib tug nyias band ntawm hardened steel yog siv nyob ib ncig ntawm nws. Cov qhab los yog "tsheb log" yog qhov tseeb me dua li lub tshuab ua haujlwm. Qhov no tso cai rau cov khoom siv pheej yig los hloov ib lub sij hawm mus rau lub sij hawm es tsis txhob ntawm tag nrho cov log sib dhos.
Cov yeeb yaj kiab hauv qab no qhia tau hais tias lub log tsheb raug tshem tawm ntawm lub log los ntawm kev siv cua sov. Cov hlua yuav nthuav dav hauv txoj kab uas hla thaum qhov kub nce. Lub log ( puab txoj kab uas hla) yuav nyob twj ywm ib yam loj vim hais tias nws muaj ntau ntau thiab yuav radiate tshav kub sai dua.
Lub sijhawm no, cov qhab tuaj yeem raug pried tawm thiab ib qho tshiab ntsia los ntawm tib txoj kev.
Vim tias tsis muaj qhov ntsuas qhov ntsuas ntawm qhov no, nws yog 100% raws li kev sib txhuam thiab nws tuaj yeem plam. Kev ntsuas thiab txiav txim siab cov xovxwm haum yog qhov nyuaj thiab cov kev xav feem ntau yuav tsum tau ua.
Super qeebFree Online Shaft Press Fit Tshuab xam zauvlos yog Go Pro
Qhov twg Pr yog lub siab nruab nrab ntawm qhov chaw, δ yog tus nqi ntawm cov xovxwm haum, d yog lub taub hau, doyog sab nraud ntawm lub hub lossis iav, diyog lub puab txoj kab uas hla ntawm lub ncej (yog hollow), μ yog cov coefficient ntawm kev sib txhuam ntawm cov ntaub ntawv thiab E thiab ν yog cov Young's Modulus thiab Poisson tus piv ntawm cov ntaub ntawv.
Nias haum gears ntawm ib tug ncej
Cov cua kub ntawm cov khoom yuav ua rau kom txoj kab uas hla; yog li ntawd, txo tus nqi ntawm cov xovxwm haum, δ. Qhov no ua rau cov iav tau yooj yim dua los yog tawm, tab sis qhov kawg tshwm sim tib yam thaum nws txias.
Yog tias ua qhov no hauv tsev nrog cov iav yas. Sim ua kom sov lawv nyob rau hauv qhov cub ntawm 175 degree mus rau 200 degree (79 degree rau 93 degree) thiab ces zawv zawg lawv rau ntawm ncej.
Txoj kev no yog kho tau, tab sis tsis yooj yim thiab koj yuav tsum tau disassemble ntau yam khoom kom sov tsis ua kom puas.
Hla Drilled Qhov
Drilling ib lub qhov los ntawm ob lub iav hub thiab ncej yog ib txoj hauv kev zoo kom tau txais ntau lub zog. Nws kuj tseem tiv thaiv cov ncej kom tsis txhob overloaded vim hais tias tus pin yuav shear (lov) yog tias lub torque ntau dhau. Muaj peb yam tseem ceeb ntawm tus pins siv hauv daim ntawv thov no tau teev tseg hauv qab no los ntawm qhov tsis muaj zog mus rau qhov muaj zog tshaj plaws.
Hla Drilled Qhov nrog Yob (Lub Caij Nplooj Hlav) Pin
Yob (caij nplooj ntoos hlav los yog slotted) Pins - Cov no yog cov kab ncaj nraim uas tau dov mus rau ib puag ncig. Lawv nyiam lub caij nplooj ntoos hlav qhib (li no lub caij nplooj ntoos hlav pins) tso cai kom txaus ntawm cov xovxwm kom tus pin yuav tsis plam tawm. Kuv pom zoo cov no dua lwm qhov kev xaiv ob.
Shear Pins - Cov pins no yog cov khoom ruaj khov thiab muaj qhov taw qhia ntawm qhov nruab nrab qhov twg tus pin yog tsim los ua tsis tiav ntawm lub zog tshwj xeeb. Nws yog ib qho tseem ceeb kom tau txais tus pin qhov twg qhov thais yuav nyob ntawm tib lub dav hlau raws li txoj kab uas hla.
Dowel Pins - Cov no tsuas yog lub zog siab zog pins. Yog tias koj lub qhov loj dhau lawm, tej zaum koj yuav tau muab cov nplaum rau hauv qhov chaw (shear pins ib yam nkaus). Yog tias koj daim ntawv thov thim rov qab kev taw qhia lossis kev thauj khoom, koj tuaj yeem txhawb kom cov kua nplaum ua tsis tiav ntxov thiab tus pin kom poob.
Txhua tus pins yuav muaj kev tshaj tawm tawg lub zog thiab koj tuaj yeem xaiv txoj kab uas hla thiab hom raws li qhov sib npaug hauv qab no. Fsyog lub zog shear, T yog thov torque thiab d yog lub taub hau.
Txoj kev no ua rau koj muaj peev xwm los tuav ntau lub zog, tab sis tseem tsis tau muab kev hloov kho thaum lub qhov drilled. Yog tias koj mess ntau dhau lawm, lub ncej yuav zoo li Swiss Cheese.
Ntawm qhov txiaj ntsig tseem ceeb yog ze li txhua tus tuaj yeem ua qhov sib koom ua ke. Txhua yam koj xav tau yog laum, laum cov khoom thiab rauj.Kuv pom zoo kom drilling ib txoj kab me me 1/16 - 3/32 ua ntej thiab xyuas koj qhov kev sib raug zoo nrog tus pas txhuam hniav.Yog tias nws zoo, tho nws tawm mus rau txoj kab uas hla koj xav tau. Yog tias tsis yog, tig mus rau lwm qhov ntawm tus ncej thiab sim dua.
CompressionHubs
Txawm hais tias tsis yog ib txoj hauv kev los txuas cov iav rau cov ncej, nws muaj. Thaum lub iav zawv zawg hla lub ncej, lub teeb ntsia hlau yog nruj thiab kev sib txhuam yuav nqa lub torque. Cov coefficient tuaj yeem raug txo kom tsis txhob muaj kev cuam tshuam vim yog oily shafts lossis siv los tiv thaiv kev ntes. Nws yog qhov zoo tshaj plaws los siv cov hlau sib txawv thaum siv txoj kev no.
Tus nqi ntawm kev ua cov kev pab cuam nyob rau hauv lub Cheebtsam ua rau hom no tus nqi txwv nyob rau hauv feem ntau.
Cia li zam hom kev sib koom ua ke!
Teem Screws
Lub teeb ntsia hlau (tsuas yog) txoj kev txuas mus rau lub ncej yog feem ntau nrog lub sijhawm rub, lub zog thiab sprockets.
Nws yog ib qho nyuaj rau txiav txim siab seb hom torque koj tuaj yeem tawm ntawm qhov sib txuas zoo li no. Qhov tshwm sim tuaj yeem sib txawv vim muaj kev sib txhuam coefficient, thov torque, lubrication ntawm cov xov thiab teeb hom ntsia hlau. Qhov kev sib npaug hauv paus yog raws li nram no:
Qhov twg T yog qhov tso zis torque, μ yog qhov coefficient ntawm kev sib txhuam, F yog lub zog ib txwm los ntawm ib qho kev sib tw thiab d yog lub taub hau.
Cov neeg feem coob tsuas yog zawm lub teeb ntsia hlau kom ntau li ntau tau. Tsuav lub pulley tsis plam los ntawm lub zog ntau dhau, txhua yam yuav zoo. Txawm li cas los xij, thaum nws ua, koj yuav ceev nrooj hnav ib zawj rau hauv lub ncej. Qhov no ua rau koj txoj kab uas hla me me; yog li txo qhov siab tshaj plaws torque koj tuaj yeem ua tiav.
Qhov txiaj ntsig tseem ceeb yog txoj kev no yog 100% kho tau rau kev sib hloov mus rau ncej thiab raws nws qhov ntev. Feem ntau, txoj kev no tsuas yog muaj nrog cov ncej loj 1/2 "(13mm) lossis tsawg dua.
Keyways
Rau feem ntau cov ntawv thov kev lag luam tus qauv yog keyed shafts.Los ntawm qhov deb ntawm lub txee iav yuav muaj nyob rau hauv ntau yam ntawm bores loj nrog cov yuam sij slots. Koj tuaj yeem yuav lawv nrog cov tho tsis tiav thiab txiav koj tus kheej txoj hauv kev yog tias koj nyiam.
Thaum xaiv qhov loj me, nco ntsoov tias koj tsis xaiv lub ncej uas loj dhau rau lub iav. Tsis ntev los no, kuv muaj ib lub kaw lus uas siv 10- hniav sprocket rau ntawm 1" ncej.
Nws tuaj yeem ua qhov no yooj yim heev vim tias cov khoom nruab nrab ntawm sab nraud ntawm lub hub thiab qhov tseem ceeb tsuas yog 1/8 "tuab. Peb tuaj yeem ua ob npaug rau ¼ los ntawm kev ntxiv ib tus hniav. ua qhov kev xaiv zoo dua (ntxiv rau qhov ntawd tom qab).
Feem ntau cov iav yog tuav los ntawm zawv zawg ntawm lub ncej nrog tsuas yog ib lossis ob lub teeb tsa. Feem ntau, ib lub ntsia hlau yuav nyob ntawm tus yuam sij thiab lwm qhov yuav yog 90 degree rau nws thiab nias tawm tsam lub ncej. Rau spur gears, qhov no yog qhov tsim nyog, tab sis rau helical gears, yuav tsum muaj kev koom tes ntau dua ntawm cov ncej kom suav rau sab load. Cov kev daws teeb meem yog thrust bearings, tapered roller bearings lossis snap rings.
