Ua ib lub tsheb, peb xav tau ntau yam khoom siv xws li cov khoom siv hlau, cov hlau tsis muaj hlau, cov khoom siv sib xyaw, iav, roj hmab, thiab lwm yam. Ntawm lawv, cov khoom siv hlau
Nws yog xav kom suav rau
Thaum nws los txog rau 65% -85% ntawm lub tsheb nws tus kheej qhov hnyav, txawm tias nws yog lub tsheb lub plhaub sab nraud lossis nws lub siab, lub cev ntawm cov khoom siv hlau tuaj yeem pom txhua qhov chaw.
zaj duab xis.
Tsheb steel feem ntau muab faib ua ob pawg:
Ib qho yog lub tsheb lub cev hlau, uas yog lub plhaub sab nrauv thiab lub cev pob txha ntawm lub tsheb; lwm yam yog lub tsheb log tsheb kub structural steel, uas tsim lub tsheb cav
Tshuab, kis tau tus mob
Cov khoom tseem ceeb ntawm dynamic system, ncua kev kawm ntawv, thiab lwm yam. Tom ntej no, peb yuav muab cov ncauj lus kom ntxaws qhia rau koj.
1. Hlau rau lub cev tsheb
Cia peb xub saib cov hlau rau tsheb lub cev ua haujlwm. Load-bearing lub cev, tag nrho lub cev yog ib lub cev, steel tsim nws lub cev pob txha,
Thiab lub cav, kis tau tus mob, pem hauv ntej thiab rear ncua kev kawm ntawv thiab lwm yam Cheebtsam
Sib sau ua ke ntawm no ncej.
1. Hlau rau txheej vaj huam sib luag ntawm lub tsheb lub cev
Cov hlau rau tsheb lub cev sab nrauv panels yog siv los tsim rau pem hauv ntej, nram qab, sab laug thiab sab xis lub qhov rooj sab nrauv, lub cav hood sab nrauv panels, lub hau npog sab nrauv thiab lwm qhov chaw. Nws yuav tsum
Nws muaj zoo formability,
Corrosion kuj, dent kuj thiab zoo hluav taws xob weldability. Lub vaj huam sib luag sab nrauv ntawm lub cev lub tsheb feem ntau yog coated nrog lub phaj kom ua tau raws li qhov xav tau los tiv thaiv corrosion.
Txhawm rau txhim kho cov hniav tsis kam, ci steel hlau, siab zog
IF steel thiab siab formability txias-dov annealed dual-theem steel (xws li DP450). Multi-purpose tshav kub rau coated daim hlau
Galvanized ntawv, kub-dip galvanized hlau ntawv, electro-galvanized ntawv, electro-galvanized-nickel ntawv, thiab lwm yam.
2. Hlau rau lub cev sab hauv vaj huam sib luag
Los ntawm lub vaj huam sib luag sab nrauv ntawm lub tsheb, peb tuaj yeem pom tias cov duab ntawm qhov chaw ntawm lub vaj huam sib luag sab hauv ntawm lub tsheb lub cev yog qhov nyuaj dua, uas yuav tsum muaj cov hlau rau lub vaj huam sib luag sab hauv ntawm lub tsheb lub cev kom muaj.
Ntau dua formability thiab sib sib zog nqus nqus kev ua tau zoo, yog li lub tsheb
Lub phaj sab hauv ntawm lub cev feem ntau yog ua los ntawm IF steel nrog zoo heev stamping formability thiab sib sib zog nqus kos duab, thiab ib tug me me ntawm high-zog IF steel yog siv.
Cov txheej txheem plating zoo ib yam li cov phaj txheej.
3. Tsheb lub cev qauv
Ntxiv rau sab hauv, peb tuaj yeem pom lub tsheb lub cev qauv. Nws yog ze ze rau kev nyab xeeb thiab lub teeb ntawm lub tsheb. vim
Qhov kev xaiv cov khoom no yuav tsum muaj lub zog siab thiab siab plasticity. Ua ntej
High-strength steel (AHSS) muaj zog yas zoo thiab kev sib tsoo zoo
Cov yam ntxwv thiab lub neej qaug zog siab dua feem ntau yog siv rau hauv cov txheej txheem ntawm lub cev. Piv txwv li, nws nyob hauv
Pem hauv ntej thiab nram qab bumper ncej thiab qhov tseem ceeb xws li A-pillar thiab B-pillar
Tau siv dav, thaum muaj kev cuam tshuam, tshwj xeeb tshaj yog nyob rau pem hauv ntej thiab sab kev cuam tshuam, nws tuaj yeem txo kev tsav tsheb zoo
Deformation ntawm lub cabin los tiv thaiv cov neeg tsav tsheb thiab cov neeg caij tsheb
Kev nyab xeeb. Advanced automotive high-strength muaj xws li dual-theem steel, martensitic steel, theem transformation induced plasticity steel, duplex steel, thiab quenched ductile steel.
2. Alloy structural steel rau tsheb
Paub txog cov hlau uas siv rau lub plhaub sab nraud thiab cov ncej ntawm lub tsheb, cia peb txuas ntxiv kom nkag siab txog cov qauv hlau alloy rau lub tsheb uas muab zais rau hauv lub tsheb lub cev. Feem ntau suav nrog: ncej
Siv cov quenched thiab tempered steel thiab tsis-quenched thiab tempered
Hlau, iav steel, txhua yam hlau rau cov mos txwv thiab txhua yam hlau rau cov txheej txheem siab zog.
1. Quenched thiab tempered steel thiab non-quenched thiab tempered steel rau shafts
Hauv tsheb, ntau axles ua lub luag haujlwm tseem ceeb. Ntev npaum li lub tsheb pib khiav, lawv yuav dais
Kev ntxhov siab ntau. Cov kabmob pem hauv ntej yog raug khoov qaug zog kev nyuaj siab, nkhaus bearing
Raws li kev sib koom ua ke ntawm kev khoov thiab torsion, kev sib kis kabmob yog raug rau kev nyuaj siab torsional, thiab kev sib txuas pas nrig.
Raws li asymmetrical nro thiab compression, lawv yuav tsum ... thiaj li tso cai rau lawv ua hauj lwm noj qab haus huv thiab nyab xeeb, shafts
quenched thiab tempered steel feem ntau muaj qee yam alloying ntsiab kom paub meej quenching
Permeability (ib yam kev muaj peev xwm los xyuas kom meej tias lub zog ntawm txhua qhov ntawm qhov hla ntu ua tau raws li qhov yuav tsum tau ua ntawm ntu), thiab txhim kho qhov cuam tshuam toughness
poj niam deev. Tam sim no, quenched thiab tempered steel rau crankshaft
Muaj 40Cr, 42CrMo, thiab lwm yam., tsheb ib nrab shafts feem ntau siv nyob rau hauv S45C, SCM4, SCM6, SAE1045, thiab lwm yam., thiab tsheb txuas rods yog multi-purpose quenched thiab tempered steel.
40Cr, S48C. Tsis muaj
quenched thiab tempered steels xws li 12Mn2VBS thiab 35MnVN kuj tau siv dav hauv cov kauj knuckles thiab cav txuas rods.
2. Iav hlau
Gears kuj yog ib qho tseem ceeb ntawm lub zog kis tau tus mob ntawm lub tsheb. Cov kev ua tau zoo ntawm iav steel yog: siab crush kuj thiab pitting corrosion kuj
Muaj peev xwm; zoo cuam tshuam tsis kam thiab khoov
Muaj peev xwm; haum hardenability, qhov tob ntawm hardened txheej thiab core hardness; zoo txheej txheem kev ua tau zoo thiab txiav ua
Kev ua tau zoo; thiab deformation thiab seem stability. Gear steel muaj
SCM420, SCM822 thiab lwm yam Cr-Mo series, Cr-Ni-Mo series thiab Ni-Mo series.
3. Hlau rau cov mos txwv
Springs yog siv nyob rau hauv tsheb nyob rau hauv ntau qhov ntau thiab ntau ntau yam. Lawv yog ib feem ntawm cov qauv tsim. Lub ntsiab siv yog elastic steel rau ncua kev kawm ntawv thiab valve caij nplooj ntoos hlav steel.
, Nyob rau hauv lub teeb lossis hnyav tsheb thauj khoom, caij nplooj ntoos hlav ncua
Qhov ntau npaum ntawm cov khib nyiab feem ntau yog 100-500kg. Cov kev ua tau zoo ntawm lub caij nplooj ntoos hlav steel yog: siab elastic txwv thiab so
Resistance, zoo hardenability thiab haum hardenability, siab tawg toughness
Kev ua haujlwm siab thiab ua kom qaug zog lub neej, zoo metallurgical txheej txheem kev ua tau zoo thiab formability, -
Qee qhov kev puas tsuaj thiab corrosion kuj. Tam sim no, cov hlau rau ncua kev kawm ntawv feem ntau suav nrog: Si-Mn series, Mn-Cr
Department, Cr-V Department. Mn-Cr-B, thiab lwm yam.
4. Hlau rau ntau yam muaj zog tus qauv txheem
Nyob rau hauv xyoo tas los no, cov khoom siv hluav taws xob muaj zog tau maj mam nce hauv kev siv tsheb. Hlau rau riveting screws yog ib qho ntawm lawv. Nws xav tau
Kev ua tau zoo ntawm cov txheej txheem, machinability, lub zog ua haujlwm
Kev ua haujlwm qaug zog thiab ncua kev puas tsuaj muaj peev xwm nyob rau hauv lub zog siab.
Feem ntau siv daim ntawv tsav tsheb rau cov neeg caij tsheb
①HC260B, B180H1, JSC340H, SPFC340H, thiab lwm yam.
②HC700/980DP, HC820/1180DP, MS1500T/1200Y, thiab lwm yam.
③HC380/590TR, CR780T/440Y-TR, thiab lwm yam.
④JSC270C. DC01, DC03, DC51D + Z, thiab lwm yam.
⑤HC600/980QP, S700MC, thiab lwm yam.
⑥HC220P2, HC260LA, JSC 440Y, B280VK, SPFC780, thiab lwm yam.
⑦ DC51D + AS, DC53D + MA, 409L, 439, thiab lwm yam.
⑧40Gr, GCr15, 60Si2MnA, 50GrVA, thiab lwm yam.
⑨B380CL, SPFH540, thiab lwm yam.
Feem ntau siv hom tsheb thauj khoom
①SPA-C, HC400/780DP, S350GD+Z, thiab lwm yam.
②QStE500TM, 510L, 700L, SAPH440, SPFH590, thiab lwm yam.