Yuav Ua Li Cas Brake Drums?

Cov khoom siv, txheej txheem, thiab cov khoom pov thawj tag nrho ua rau lub nruas nres ua li cas.Txawm li cas los xij, cov txheej txheem no tsis daws qhov teeb meem ntawm qhov sib txawv ntawm qhov tuab ntawm ib ncig ntawm lub nruas, ib qho teeb meem uas ua rau tsis hnav tsis zoo thiab suab nrov.Cov tuam txhab tsheb thauj khoom tau teeb tsa qhov siab tshaj plaws thickness variation thiab hnyav txwv rau nruas.Cov neeg tsim khoom kuj raug nqi seem thaum lub nruas tsis ua raws li cov lus qhia no.Txhawm rau zam cov nqi no, cov chaw tsim khoom yuav tsum tsom xyuas kom ntseeg tau tias cov nruas zoo ib yam thiab zoo.

Cov khoom pov thawj

Nres nruas yog cov thawv hlau uas muab lub suab tsis muaj suab nrov.Zoo ib yam li anvil, lawv tuaj yeem hnyav dua lossis sib dua, nyob ntawm cov chaw tsim khoom.Nres nruas yog dai los ntawm ib tug nylon qaum, mounted rau ib tug snare nruas sawv ntsug, thiab ntaus nrog sib txawv hnyav.Ntawm no yog saib ze dua ntawm cov txheej txheem tsim khoom.Lub computer-based maub los 87 tau txais txoj hauj lwm-qhia tawm cov teeb liab los ntawm sensors 78 thiab tswj txoj hauj lwm ntawm pneumatic tsav mechanism 88. Lub nqa thiab txo qis zog ntawm elevator 74 thiab platform 76 yog tswj los ntawm mechanism 94. Lub platform 76 thiab nplhaib 28 yog tuav nyob rau hauv qhov chaw los ntawm tooling 82, uas nqa ib txheej ntawm vuam torches 96.

Ib lub nruas nres yog tsim los ntawm kev tsim lub tsho ntawm lub nplhaib nrog ib lub voj voog ntawm cov ntawv hlau.Tom qab ntawd, molten grey hlau yog centrifugally cam khwb cia rau hauv band thiab metallurgically bonded rau lub nplhaib.Lub nplhaib yog ces sab nraud fixtured thiab machined los muab ib tug internal cylindrical nto hu ua ib tug ntxhib bore.Lub puab nto ntawm lub nruas flange 24 yog tom qab ntawd machined, thiab tag nrho cov sib dhos yog xa mus rau qhov chaw nres tsheb tom ntej rau tag nrho cov vuam.

Ib qho tseem ceeb tshaj plaws ntawm kev tsim cov nruas nres yog lawv cov kav ntev.Tsis zoo li disc nres, lawv tuaj yeem tiv taus cua sov, thiab lawv ua haujlwm zoo dua thiab ua haujlwm zoo thaum nres.Disc brakes muaj cov yam ntxwv zoo sib xws, tab sis lawv kim dua thiab xav tau kev saib xyuas ntau dua.Txawm li cas los xij, disc brakes muaj qhov zoo ntawm engineering thiab tus nqi, thiab tso cai rau kev sib koom ua ke ntawm qhov nres nres nres.Txawm li cas los xij, qhov hnyav yog qhov teeb meem nrog lub nruas nres.

Txheej txheem

Cov txheej txheem ntawm kev tsim cov nruas nres muaj xws li fabricating lub nruas nplhaib los ntawm steel Tshuag.Lub nplhaib muaj lub plhaub hlau nias uas muaj radial flanges H ntawm ib ntug thiab ib ncig ntawm qhov chaw.Lub nruas yog ces machined mus rau qhov yuav tsum tau qhov ntev, nrog rau cov qhib rau mounting.Cov kauj ruam no yog ua ntawm cov chaw tsim khoom sib cais.Qhov no txhim kho txoj kev tsim khoom tag nrho.Thaum lub nplhaib nruas yog machined, lub nruas yog ces sib sau ua ke siv lub mounting axis.

Tom qab lub machining ntawm lub nplhaib thiab lub flange, lub nraub qaum 16 muab tso rau ntawm lub nplhaib nruas.Nws yog ces positioned xws li qhov chaw axis ntawm qhov qhib yog coaxial nrog thawj harmonic ntawm radial runout.Tom qab muab tso rau, lub nruas rov qab los ua ke yog tack-welded rau lub nruas nplhaib.Cov txheej txheem ntawm kev tsim cov nruas nres yog rov ua dua kom txog thaum lub siab xav tau tiav.

Lub nruas nres yuav tsum yog yam tsawg 40 hli los ntawm lub nruas nres.Hauv cov chaw ua haujlwm me, qhov kev ncua deb no tsawg dua kom txo qhov porosity.Cov xuab zeb molding yuav tsum yog tsawg kawg 60-80 hli los ntawm sprue.Cov chaw tsim khoom me me feem ntau ntaus cov xuab zeb tag nrho.Tom qab no, lawv ntxig ib tug hlau pas nrig kom nruj pwm.Txoj kev no yog qhov zoo tshaj plaws rau kev txo qhov porosity thiab ua kom zoo thiab sib xws.

Ib tug raug nres nruas yog tsim nyob rau hauv ib tug pa yam.Nyob rau hauv cov ntaub ntawv ntawm tsheb nres nruas, cov neeg thov 'assignee tsim lub tsho ua ib tug annular band ntawm daim hlau.Tom qab ntawd, grey hlau yog centrifugally cam khwb cia rau hauv cov qhab no los ua ib lub nplhaib metallurgically-bonded composite nplhaib.Tom qab ntawd, lub nplhaib yog sab nraud fixtured thiab lub cylindrical nto yog machined ntawm sab hauv lub ntsej muag.

Sensors

Electromechanical nruas brakes muaj lub peev xwm loj hauv electromobility thiab automated tsav tsheb.Cov brakes no yog tswj los ntawm tus maub los, tab sis kev hloov pauv hauv electromechanical actuator efficiency tuaj yeem ua rau muaj kev sib txawv ntawm tus nres torque thiab nruas txhuam coefficient.Integrated nres torque sensors yog ib qho kev xaiv los tiv thaiv xws li variations.Txawm li cas los xij, kev sib xyaw nres torque sensors tseem tsis tau tsim nyob rau hauv cov khoom lag luam.Daim ntawv no tshawb txog qhov muaj peev xwm ntawm kev sib xyaw nres torque sensor.Txawm li cas los xij ntawm kev tsim lub tshuab nres tshiab, ib qho kev sib xyaw ua ke tuaj yeem ua lub luag haujlwm tseem ceeb.

Txawm hais tias qhov yooj yim ntawm nres sensors, lawv tsis yog qhov zoo siab tshaj plaws ntawm koj lub tsheb.Cov no yog cov ua haujlwm nkaus xwb, txawm li cas los xij, thiab tsim los ua kom muaj kev nyab xeeb.Txhawm rau txheeb xyuas cov brakes manually, koj yuav tsum tshem lub log ib qho los ntawm ib qho thiab xyuas cov nres nres ib zaug.Txoj kev ib txwm muaj kuj yog qhov nyuaj thiab tsis yooj yim.Ntxiv mus, tsis yog txhua lub tsheb tuaj nruab nrog nres sensors.Tab sis yog tias koj muaj lub tsheb uas ua, koj tuaj yeem ua kom zoo dua ntawm cov nres sensors thiab tshuaj xyuas koj tus kheej.

Cov txheej txheem hnav yooj yim feem ntau muaj ib lossis ntau lub sensors ntsia hauv txhua lub ces kaum ntawm lub rotor nres.Cov sensors no yog embedded nyob rau hauv lub brake pad lub puab txheej.Tus naj npawb ntawm cov sensors tuaj yeem sib txawv nyob ntawm tus qauv ntawm koj lub tsheb.Qee lub tshuab nres siv ib lub sensor thaum lwm tus muaj txog plaub lub sensors.Txawm li cas los xij ntawm hom sensor, feem ntau ntawm lawv ua haujlwm nrog ob qho tib si resistor-involved circuits.Thawj lub voj voog hu rau lub ntsej muag rotor nres, 'cocking' ib qho txhaum matrix.Yog hais tias qhov no Circuit Court tawg, lub thib ob Circuit Court yog tripped thiab lub dashboard teeb yuav tshwm sim.

Thaum koj hloov lub nruas nres, nco ntsoov xyuas cov sensors thiab.Tej zaum lawv yuav raug puas vim cua sov thiab kev sib txhuam.Tsis tas li ntawd, nws tsis yog ib lub tswv yim zoo los rov siv cov qub nres sensors nrog cov nres nres tshiab.Qhov no yuav tsis ua haujlwm zoo.Raws li txoj cai dav dav, brake nruas sensors tsuas yog ua haujlwm yog tias lawv hloov pauv thaum lub nres nres nws tus kheej yuav tsum tau hloov.Hauv qhov xwm txheej phem tshaj plaws, kev hloov pauv hloov pauv yog qhov kev xaiv zoo tshaj plaws.

Khoom siv

Cov hlau feem ntau siv los tsim cov nruas nres muaj xws li steel, cam khwb cia hlau, aluminium, thiab ceramics.Thaum asbestos yog thawj qhov kev xaiv rau cov khoom no, nws tau txuas rau kev noj qab haus huv thiab tsis tau siv ntxiv lawm.Niaj hnub no, lub nruas nres feem ntau yog ua los ntawm cov khoom sib xyaw, uas muaj ntau yam xws li ceramic, cellulose, chopped iav, thiab roj hmab.Cov ntaub ntawv no tseem khaws cov khoom sib txhuam.Cov khoom siv nres no yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm, thiab feem ntau raug rau qhov kub thiab txias.

Cov hlau siv hauv cov nruas nres yuav yog cov organic lossis inorganic.Organic nruas yog tsim los ntawm iav, carbon, Kevlar, thiab roj hmab, thiab lawv feem ntau yog hnyav dua li inorganic nruas.Qee lub tuam txhab tseem tuaj yeem siv cov khoom sib xyaw ua ke.Qee cov ntaub ntawv no tau teev tseg hauv qab no.Cov ntaub ntawv no tau siv dav vim tias lawv yog lub teeb yuag thiab tuaj yeem nrum tau yooj yim.Lawv kuj muaj kev ruaj ntseg zoo.

Conventionally manufactured nres nruas muaj xws li ib tug backplate nrog ib tug ntau ntawm qhib.Cov kev qhib no yog offset los ntawm lub hauv paus axis ntawm lub nruas.Tom qab ntawd lub mounting disc yog welded mus rau sab nraum qab phaj nrog qhib rau mounting lub nruas.Lub backplate suav nrog ntau qhov ntawm sab nraud qhia ntxiv dag zog rau cov tav.Lub nruas rov qab los ua ke yog tack welded rau lub nruas nplhaib.

Lub backplate ntawm lub nruas nres absorbs lub torque tsim los ntawm kev ua braking.Vim tias txhua qhov kev ua haujlwm braking tso siab rau ntawm qhov no, nws yuav tsum muaj zog thiab hnav-tiv taus.Lub nruas nws tus kheej yog tsim los ntawm ib hom tshwj xeeb ntawm cam khwb cia hlau uas yog tshav kub-conductive thiab resistant rau hnav.Nres nruas yuav tsum muaj zog txaus los tiv thaiv lub torque load generated thaum ib tug brake khau hits qhov kev sib txhuam hnav nto.Tsis tas li ntawd, lawv yuav tsum muaj cov ntsia liaj qhov rooj ruaj khov rau lub hub.Qhov kev xav tau ntawm McManus xav kom lub nruas nres yuav qaug zog-tiv taus thiab muaj lub zog txaus rau nws lub neej.

Qhov chaw tsim khoom

Tam sim no invention muaj feem xyuam rau ib txoj kev ntawm manufacturing nres nruas, tshwj xeeb tshaj yog tsheb-tsheb nres nruas.Lub nruas nres yog tsim los ntawm ib daim ntawv-steel nruas lub tsho thiab lub hauv paus rov qab nrog mounting opens positioned los tsim xoom thawj harmonic radial runout.Lub nplhaib nruas nres yog tom qab ntawd machined mus rau qhov sib txawv ntawm cov thickness los ntawm cov txheej txheem centrifugal cam khwb cia hlau.

Tom qab ua tiav cov fabrication, lub nruas nres yog muab tso rau ntawm lub tshuab ntsuas.Txhawm rau kom ua tiav qhov hnyav-sib npaug nyob ib puag ncig ntawm axis ntawm kev sib hloov, ib lossis ntau qhov hnyav yuav raug muab khi rau ntawm lub nruas.Tom qab lub nruas sib npaug, lawv muab tso rau ntawm ib qho chaw sawv ntsug thiab tom qab ntawd ntaus nrog ntau qhov hnyav los tsim lub suab xav tau.

Lub nruas muaj rau qhov sib cais: lub tshuab hloov kho, cov khau nres, thiab lub tshuab nres thaum muaj xwm ceev.Txhua feem yuav tsum nyob ze ntawm lub nruas kom ua haujlwm zoo.Yog tias cov khau sib cais deb dhau ntawm lub nruas, tus nres pedal yuav tog rau hauv pem teb lev, yuav tsum tau siv zog ntxiv kom nres lub tsheb.Txhawm rau zam qhov no, tus nres pedal yuav tsum raug thawb.Thaum lub sij hawm tus txheej txheem no, cov khau yuav tsum nyob ze rau ntawm lub nruas kom ua kom lub zog braking.

Nres nruas yog ib qho tseem ceeb ntawm lub tsheb lub braking system.Lawv txo lub tsheb ceev los ntawm kev tiv thaiv kev sib tsoo.Tsis tas li ntawd, lub nruas nres pab tiv thaiv lub log los ntawm overheating, thiab cov khau tseem yuav hnav yog tias cov khau nres tsis kho.Tsis zoo li tus nres nres, lub nruas nres tsis nqus dej, ua rau lawv muaj kev cuam tshuam rau corrosion thiab hnav.Yog li ntawd, lub nruas nres yog qhov tseem ceeb ntawm txhua lub tsheb.

Santa nres yog lub nres nres disc thiab pads Hoobkas hauv Suav teb nrog ntau tshaj 15 xyoo ntawm kev tsim khoom.Santa Brake npog loj npaj nres disc thiab pads khoom.Raws li tus kws tshaj lij nres disc thiab cov chaw tsim khoom, Santa nres tuaj yeem muab cov khoom lag luam zoo heev ntawm tus nqi sib tw.

Tam sim no, Santa nres xa tawm mus rau ntau dua 20+ lub teb chaws thiab muaj ntau dua 50+ cov neeg siv khoom zoo siab thoob ntiaj teb.