Qhov kev ua tau zoo ntawm lub tsheb kauj vab zoo li tau txiav txim siab los ntawm peb lub ntsiab lus: ncej, cov khoom, thiab lub log. Txawm li cas los xij, raws li kev soj ntsuam ze dua, cov spokes ua lub luag haujlwm tseem ceeb ntawm qhov chaw ntawm cov tsheb sib tw ceev ceev. Lawv tsis yog ib qho kev sib txuas yooj yim, tab sis qhov tseem ceeb ntawm engineering uas txiav txim siab qhov nruj, lub zog, qhov hnyav, aerodynamics, thiab txawm tias kev caij tsheb ntawm lub wheelset.
Qhov tseem ceeb ntawm Kev Hais Hla Tus lej
Tus naj npawb ntawm kev hais lus hla hauv cov qauv lacing yog qhov tseem ceeb ntawm kev txiav txim siab lub log tsheb. Hla tus lej (xws li "0X", "1X") xa mus rau cov naj npawb ntawm lub sijhawm cov lus hla ib leeg thaum lawv taug kev los ntawm lub hub mus rau ntug. Tus lej no tsis tsuas yog cuam tshuam rau kev hais lus tab sis tseem cuam tshuam ncaj qha rau lub log tsheb lub zog, nruj, thiab qhov hnyav.
Tus lej hla ntau dua ua rau lub kaum sab xis loj dua, txhim kho lub rooj tsav tsheb lub zog torsional thiab lateral tawv. Crossed spokes zoo faib kev ntxhov siab, ua kom lub zog ntawm lub log thiab ua rau lawv tsim tshwj xeeb rau kev caij tsheb hauv qab hnyav lossis ntawm qhov chaw ntxhib.
Common Spoke Weaving Methods
0X (Radial) Hais Lacing
0X (Radial) hais lus lacing yog hais txog cov lus uas txuas ncaj qha thiab ntsug ntawm lub hub mus rau lub npoo yam tsis muaj kev hla; qhov no tseem hu ua "radial" lossis "ncaj-rub" lacing.
Nta:
Lub teeb tshaj plaws: Vim tsis muaj kev hla, cov spokes tau teem rau hauv ib txoj kab ncaj nraim, txo qhov hnyav ntxiv ntawm cov qauv.
High Longitudinal Stiffness: Txoj kev ncaj nraim ntawm cov spokes muab siab nruj heev nyob rau hauv longitudinal rog, zoo kis tau tus mob.
Tsis tshua muaj cua Resistance thiab High Transmission Efficiency: Vim hais tias qhov chaw sib cuag ntawm lub spokes thiab huab cua yog tsawg, qhov kev tsim no muaj kev cuam tshuam tsawg kawg nkaus ntawm airflow, ua rau nws haum rau caij yuav tsum tsis tshua muaj cua tsis kam thiab high efficiency.
Tsis zoo Lateral Stiffness: Qhov tsis muaj kev txhawb nqa hla yuav ua rau tsis muaj zog rau sab nraub qaum, ua rau lub wheelset nquag deformation thaum lub kaum sab xis lossis thaum siv lub zog sab nraud.
Tsis zoo Torsional Resistance: Vim tsis muaj kev txhawb nqa hla, lub wheelset muaj qhov tsis zoo rau lub zog torsional, tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov nres disc, qhov twg braking torque tuaj yeem ua rau cov lus xoob lossis lub npoo kom deform.
Tsim nyog Scenario:
Haum rau cov ntawv thov uas yuav tsum tau nruj me ntsis ntawm qhov hnyav thiab cua tsis kam, tshwj xeeb tshaj yog thaum nce toj toj, qhov uas nws lub teeb yuag tsim muab qhov zoo dua.
Tshwj xeeb yog tsim nyog rau kev sib tw, triathlons, thiab lwm yam kev tshwm sim uas xav tau kev ceev thiab kev ua haujlwm siab tshaj plaws.
Vim lub cev nyhav thiab siab rigidity ntawmcarbon fiber hais lus,ua ke nrog txoj kev radial lacing, nws ua tiav qhov hnyav txo, ua rau nws zoo tagnrho rau kev sib tw thiab kev caij tsheb kauj vab.
1X (Single Cross) Hais Lacing:
Lub spokes hla ib zaug los ntawm lub hub mus rau lub ntug, tsim ib qho chaw hla. Txhua tus hais lus hla txhua lwm tus hais ib zaug, nrog rau lub kaum sab xis me me, ua rau muaj kev sib txuas yooj yim dua.
Nta:
Piv rau radial (0X) lacing, 1X lacing muaj qee qhov torsional tsis kam thiab lateral tawv, ua rau lub wheelset ruaj khov thiab txo qhov kev pheej hmoo ntawm kev hais lus loosening.
Nws yog me ntsis hnyav dua li radial lacing, tab sis muaj kev nruj dua thiab ruaj khov, ua rau nws haum rau cov xwm txheej uas tsis tas yuav tsum muaj qhov hnyav hnyav.
Vim yog qhov me me hla lub kaum sab xis, 1X lacing tswj qhov hnyav dua, tab sis piv rau cov neeg hla ntau dua (xws li 3X lossis 4X), nws muaj zog me ntsis thiab tawv.
1X lacing muaj ntau yam kev siv, muab qib ntawm kev ua haujlwm ntev thiab kev nplij siab, tab sis nws tsis haum rau ib puag ncig uas xav tau lub zog thiab kev cuam tshuam.
Tsim nyog Scenario:
Cov tsheb sib tw xws li tsheb kauj vab hauv nroog, tsheb kauj vab folding, thiab cov menyuam yaus lub tsheb kauj vab yog qhov tsim nyog rau kev siv txhua hnub, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas qhov hnyav yog ib qho kev txhawj xeeb tab sis siab - tsis tas yuav tsum muaj qhov hnyav. Qee lub tshuab nres disc kuj tseem tuaj yeem siv 1X lacing vim tias nws muaj qhov txaus torsional rigidity rau kev caij tsheb.
Haum rau kev caij tsheb sib xyaw ntawm cov chaw sib xyaw lossis hauv nroog txoj kev, tshwj xeeb tshaj yog qhov yuav tsum muaj qhov sib npaug ntawm qhov hnyav thiab nruj.
2 X (ob chav hla)
Txhua tus hais hla ob zaug. Qhov lacing no ua tiav qhov sib npaug ntawm qhov hnyav thiab nruj, ua rau nws haum rau feem ntau cov tsheb kauj vab. Nws tsis muaj qhov tsis muaj zog txaus thiab yog qhov kev xaiv ntau yam rau txhua tus - nyob ib puag ncig kev caij tsheb, kev sib tw, kev mus los, thiab tawm - kev siv txoj kev. Nws yog ib qho qauv lacing ntau heev.
Nta:
Kev nruj dua, muaj peev xwm tiv taus cov kev cuam tshuam sab nraud ntau dua, thiab nce lub log tsheb ruaj khov.
Qhov hnyav nce, tab sis lub zog thiab torsional rigidity kuj tseem txhim kho.
Muab qhov sib npaug zoo dua, haum rau ntau qhov chaw.
Tsim nyog Scenario:
Haum rau ntev - caij tsheb kauj vab, caij tsheb kauj vab, tsheb kauj vab roob, thiab lwm yam kev caij tsheb uas yuav tsum muaj kev ruaj khov thiab muaj kev cuam tshuam.
Caij qhov twg siab dua lateral stability thiab durability yuav tsum tau.
3 X (Triple Cross)
Txhais:Lub spokes hla peb lub sij hawm los ntawm lub hub mus rau lub ntug, tsim peb txoj kev sib tshuam cov ntsiab lus, muab ntau zog thiab durability, zoo tagnrho rau rugged roob.
Nta:Muab cov lateral siab nruj heev, zoo faib kev ntxhov siab ntawm lub wheelset thiab muab muaj zog torsional kuj.
Piv nrog rau 2X, nws muaj kev nruj dua thiab ruaj khov, muaj peev xwm tiv taus ntau zog thiab cuam tshuam.
Lub cev hnyav dua, haum rau cov log tsheb uas xav tau lub zog siab thiab ua haujlwm ntev.
Haum rau kev caij roob thiab tawm -txoj kev ib puag ncig xav tau lub zog thiab ruaj khov heev.
Tsim nyog Scenario:
Cov tsheb kauj vab roob, lossis cov tsheb kauj vab qis, tshwj xeeb tshaj yog rau kev caij tsheb tsis sib xws thiab rugged.
Rau hnyav- lub log tsheb, tshwj xeeb tshaj yog rau kev caij tsheb hauv siab.
Hybrid Lacing:
Hais lus lacing tsis zoo li qub tab sis hloov kho tau yooj yim raws li kev xav tau ntawm kev caij tsheb sib txawv, lub tshuab nres tsheb, thiab qhov chaw siv lub log. Cov txheej txheem lacing sib txawv tuaj yeem ua tiav qhov txiaj ntsig zoo thaum txhim kho lub log tsheb, ua kom lub zog thiab nruj, thiab ntsuas qhov hnyav. Qhov no kuj txhais tau hais tias lub log pem hauv ntej thiab nram qab ntawm tib lub tsheb kauj vab tuaj yeem muaj txoj hauv kev sib txawv vim hais tias cov kev taw qhia thiab qhov loj ntawm lub zog los ntawm lub log pem hauv ntej thiab nram qab sib txawv.
Rau rim brakes ntawm lub log pem hauv ntej, feem ntau xaiv radial lacing. Qhov no tsis yog hais tias cross-lacing yog qhov phem, tab sis nws tsis tsim nyog. Disc brakes yog qhov zoo tshaj plaws rau 2X cross lacing kom muaj kev nyab xeeb. Feem ntau disc brakes kuj siv tus qauv lacing.
Lub rear log lacing ua ke yog heev complex. Disc brakes feem ntau muaj qhov tsis sib xws lacing ntawm sab laug thiab sab xis, yuav luag mus rau qhov sib txawv ntawm cov qauv tsim. Qhov lacing no feem ntau yog siv los sib npaug ntawm sab nraub qaum thiab tiv thaiv swaying. Piv txwv suav nrog radial lacing ntawm sab tsav, 2X lacing ntawm qhov tsis yog- tsav sab, thiab tam sim no muaj 2: 1 lacing (sab laug / sab xis hais suav / hla suav piv 2: 1), uas yog siv los sib npaug qhov nro ntawm qhov tsis yog - tsav.
Qhov cuam tshuam tshwj xeeb ntawm Hla- suav rau Kev Ua Haujlwm
Lub zog thiab tawv:Hla-lacing zoo ntxiv dag zog rau kev sib txuas ntawm cov kab lus thiab cov npoo, txo cov log tsheb deformation nyob rau hauv kev cuam tshuam sab nraud. Yog li ntawd, 3X lossis 4X cross-lacing wheelsets muaj zog dua thiab haum rau siab - thauj khoom caij. Lawv faib quab yuam sib npaug, muab qhov zoo ntawm kev caij tsheb kauj vab hauv roob thiab hla- caij tsheb hauv lub tebchaws.
Luj thiab Flexibility:Kev sib tw siab dua -lacing suav txhais tau hais tias ntev dua thiab hnyav dua. Qhov no ua rau kom qhov hnyav tag nrho ntawm lub wheelset, tab sis kuj txhim khu kev nruj thiab torsional rigidity. Hloov pauv, qis tus ntoo khaub lig-lacing suav ua rau lub log sib dua, tab sis qis qis thiab lub zog nyob rau hauv lub zog sab nraud, ua rau lawv haum rau kev taug kev thiab kev caij tsheb uas hnyav hnyav.
Lub log ruaj khov:High cross -lacing count wheelsets (xws li 3X thiab 4X) muab kev ruaj ntseg zoo dua rau sab nraud, tswj kev ruaj ntseg thaum tuav nruj thiab nyuaj braking, txo qhov muaj peev xwm ntawm lub log dabtsi yog khoov thiab twist. Tsawg tus ntoo khaub lig-lacing suav wheelsets (xws li 1X) yog qhov yooj yim dua rau kev deformation thiab hais lus loosening.
Cov lus pom zoo rau xaiv txoj cai Crossover
Kev Sib Tw Tsheb kauj vab: Yog tias koj nyiam qhov tsim qauv hnyav thiab aerodynamics, xaiv qhov kev sib tw qis "0X radial lacing," tshwj xeeb tshaj yog tsim rau kev sib tw tsheb lossis lub sijhawm sib tw wheelsets.
Roob Bikes & Touring Bikes: A 3X lossis 4X crossover lacing raug pom zoo los txhim kho lub log tsheb kom ruaj khov thiab kev poob siab. Kev caij tsheb kauj vab roob feem ntau cuam tshuam nrog cov av ntxhib thiab cuam tshuam loj, ua rau lub zog thiab ruaj khov tseem ceeb heev.
Disc Nres Systems: Rau disc nres log, 2X crossover lacing yog pom zoo los txhim kho torsional rigidity thiab braking stability.
Cov ntsiab lus
Kev xaiv ntawm kev hais lus crossover ncaj qha cuam tshuam rau kev ua haujlwm ntawm lub log. Los ntawm kev kho qhov crossover, cov neeg caij tsheb tuaj yeem nrhiav qhov pom kev sib npaug ntawm qhov hnyav, lub zog, nruj, thiab kev nplij siab kom tau raws li kev xav tau sib txawv. Qhov kev xaiv yuav tsum yog raws li kev caij tsheb thiab npaj siv lub log.
FAQ
Q: Dab tsi yog qhov sib xyaw lacing?
A: Ib qho kev sib txuas lus lacing yog hais txog kev siv cov kev sib tham sib txawv ntawm lub log pem hauv ntej thiab nram qab, lossis lub log sab laug thiab sab xis, ntawm tib lub tsheb kauj vab. Txoj kev lacing no xaiv cov qauv crossover uas tsim nyog raws li kev thauj khoom thiab kev xav tau ntawm cov khoom sib txawv, ua kom lub log tsheb ua haujlwm tau zoo thiab ua haujlwm ntev.
Q: Vim li cas lub log pem hauv ntej thiab nram qab sib txawv?
A: Lub log pem hauv ntej thiab nram qab muaj zog sib txawv. Lub log pem hauv ntej feem ntau xav tau cov qauv sib dua thiab tsim nyog rau cov qauv lacing yooj yim (xws li radial lacing), thaum lub log rear bears lub nra hnyav dua, tshwj xeeb tshaj yog nyob rau sab tsav, yog li siv cov qauv lacing ntau dua (xws li 2X crossover lacing lossis 2: 1 lacing) kom muaj zog thiab ruaj khov.
Q: Puas muaj qhov sib txawv ntawm kev hais lus lacing siv los ntawm disc brakes thiab rim brakes?
A: Yog lawm, disc nres log feem ntau siv 2X crossover lacing vim tias disc nres ua kom muaj zog ntau dua, thiab 2X crossover lacing muab kev tiv thaiv zoo dua. Rim brake systems feem ntau siv radial lacing vim nws yog lub teeb yuag thiab zoo xa cov quab yuam braking mus rau lub npoo.
Q: Dab tsi yog 2: 1 lacing, thiab nws qhov zoo yog dab tsi?
A: A 2: 1 lacing scheme yog tus qauv hais lus asymmetrical uas tus naj npawb ntawm spokes ntawm sab tsav yog ob npaug ntawm qhov tsis yog - tsav sab, thiab kev suav hla kuj txawv. Cov txheej txheem lacing no yog txhawm rau sib npaug ntawm qhov nro ntawm sab laug thiab sab xis, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv siab thiab cov khoom siv hluav taws xob siab, tiv thaiv lub log tsheb deformation vim tsis sib xws thiab txhim kho wheelset stability thiab durability. Campagnolo G3 yog ib qho piv txwv ntawm 2: 1 lacing scheme.
Q: Yuav Ua Li Cas Xaiv Txoj Cai Hais Lacing Scheme?
A: Kev xaiv ntawm kev hais lus lacing yuav tsum tau txiav txim siab raws li kev siv scenario, load yuav tsum, thiab braking system. Rim brake wheelsets: Radial lacing feem ntau yog siv vim nws yog lub teeb yuag thiab muab kev ua haujlwm braking txaus.
Disc brake wheelsets: A 2X crossover lacing scheme yog pom zoo los txhim kho torsional tsis kam.
Lub log tsheb: Lub tswv yim radial lacing (tsav sab) thiab 2X crossover lacing scheme (tsis yog- tsav sab) tuaj yeem siv tau, lossis 2: 1 lacing scheme tuaj yeem xaiv kom sib npaug thiab txhim kho kev ua haujlwm ntev.
Q: Yuav ua li cas tuav lub log tsheb siv cov txheej txheem sib xyaw?
A: Zoo li cov log tsheb tsis tu ncua, cov log tsheb uas siv lub tshuab hybrid lacing kuj yuav tsum tau kuaj xyuas thiab saib xyuas tsis tu ncua:
Tshawb xyuas cov lus nro kom paub tseeb tias nws yog qhov sib npaug.
Ntxuav lub log tsheb tsis tu ncua kom tsis txhob muaj av thiab lwm yam khib nyiab nkag mus rau hauv cov lus sib txawv.
Tsis tu ncua xyuas qhov xwm txheej ntawm lub npoo thiab cov lus txhawm rau tiv thaiv lub log tsheb deformation vim kev ntxhov siab tsis sib xws.
