AISI 4130 Alloy Steel Yeeb Nkab Rau Automotive Kev Lag Luam
AISI 4130 alloy steel yeeb nkab rau Automotive Kev Lag Luam
Raws li qhov yuav tsum tau ua ntawm cov kev cai ntawm tus ncej, cov qauv ntawm lub tsheb sib tw yuav tsum muaj ob lub yob tawb nrog kev txhawb nqa, pem hauv ntej bulkhead nrog kev txhawb nqa system thiab tsis qauv, thiab sab tiv thaiv kev sib tsoo qauv, uas yog, lub nplhaib tseem ceeb, lub nplhaib pem hauv ntej. , yob cage slant kev txhawb nqa thiab nws cov qauv kev txhawb nqa, sab tiv thaiv kev sib tsoo cov qauv, pem hauv ntej bulkhead, pem hauv ntej bulkhead kev txhawb nqa system, tag nrho cov ncej uas tuaj yeem hloov lub nra ntawm tus neeg tsav tsheb tswj kev ua haujlwm rau cov qauv yooj yim.
Chav tsev thav duab yog hais txog qhov luv tshaj plaws, tsis raug txiav, thiab txuas ntxiv ib tus yeeb nkab fittings. Ib qho ntawm cov haujlwm ntawm lub thav duab yog los tiv thaiv ntau yam kev thauj khoom los ntawm sab hauv thiab sab nraud ntawm lub tsheb, tab sis cov khoom siv ntawm ntau yam khoom sib txawv heev, ua rau nws nyuaj rau cov neeg tsim qauv thiab cov kws txiav txim siab los txiav txim seb lub thav duab cov khoom muaj peev xwm ua tau raws li cov qauv.
Khoom Description
Alloy steel yog cov hlau carbon hlau tsim los ntawm kev ntxiv qhov tsim nyog ntawm ib lossis ntau lub ntsiab lus alloying raws li cov pa roj carbon zoo tib yam. Los ntawm kev ntxiv cov khoom sib txawv thiab siv cov txheej txheem sib txawv, cov khoom tshwj xeeb xws li lub zog siab, siab tawv, hnav tsis kam, corrosion kuj, tsis kub tsis kam, kub tsis kam, thiab cov khoom tsis sib nqus tuaj yeem tau. Thiab peb tus protagonist lub npe tag nrho yog 30CrMo yeeb nkab, tseem hu ua 4130 steel yeeb nkab. Nws muaj zog thiab toughness, zoo hardenability, nrog ib tug hardenability txoj kab uas hla ntawm 15-70 hli nyob rau hauv roj. Cov hlau muaj lub zog thermal zoo, lub zog kub txaus hauv qab 500 ° C, thiab kev ua haujlwm vuam zoo.
4130 qib 30CrMo yog cov hlau alloy uas muaj chromium thiab molybdenum, nrog lub zog tensile feem ntau siab dua 750MPa. Cov uas pom nyob rau hauv kev ua lag luam feem ntau yog cov ntaub ntawv bar thiab tuab daim hlau. Lub nyias-walled 4130 steel yeeb nkab yuav siv los ua lub tsheb kauj vab ncej,. Qhov no yog ib tug detachable steel yeeb nkab los ua ke.
Nws yog ua los ntawm txias kos seamless carbon steel kav uas khoov, thiab thaum ntsia, lawv txuas los yog welded ib tug los ntawm ib tug raws li contour ntawm sab hauv ntawm lub carriage. Yog tias lub tsheb lub cev lub plhaub raug tshem tawm, qhov koj pom yog lub tawb hlau ua los ntawm ob peb lub kav hlau, yog li cov neeg Hong Kong kuj hu nws ua "yob tawb". Nrog rau cov pob zeb diamond uas muaj nuj nqis no, txawm tias lub tsheb dov ob peb zaug, sab nrauv ntawm lub tsheb tsis tuaj yeem tiv taus, thiab cov neeg sib tw sab hauv yuav muaj kev nyab xeeb thiab suab.
| Tshuaj muaj pes tsawg leeg | ||||
| C | Si | Mn | Cr | Mo |
| 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.80-1.10 | 0.15-0.25 |
| S | P | Ni | Cu | |
| Tso cai cov ntsiab lus seem tsawg dua lossis sib npaug rau 0.040 | Tso cai cov ntsiab lus seem tsawg dua lossis sib npaug rau 0.035 | Tso cai cov ntsiab lus seem tsawg dua lossis sib npaug rau 0.030 | Tso cai cov ntsiab lus seem tsawg dua lossis sib npaug rau 0.030 | |
| Lub cev muaj zog | ||||
| tensile zog | Yield zog | elongation | txo qhov chaw | cuam tshuam tus nqi |
| σb (MPa): Ntau dua lossis sib npaug rau 930 (95) | σs (MPa): Ntau dua lossis sib npaug rau 785 (80) | δ5 (%): Ntau dua lossis sib npaug rau 12 | ψ (%): Ntau dua lossis sib npaug rau 50 | kv (J/cm2): Ntau dua lossis sib npaug rau 78(8) |
Cov khoom siv steel yeeb nkab thiab kev tiv thaiv kev sib tw siv rau cov yob tawb yog txiav txim siab raws li qhov hnyav ntawm lub tsheb lub cev, thiab feem ntau yuav tsum muaj peev xwm tiv taus qhov cuam tshuam ntawm ntau tshaj ob npaug ntawm qhov hnyav ntawm lub tsheb lub cev. Vim txoj kev tiaj tus ntawm kev sib tw hauv teb, tsis muaj qhov poob qis. Piv txwv li, yog hais tias lub tsheb overturns thaum lub sij hawm rally kev sib tw nyob rau hauv lub roob txoj kev thiab off-txoj kev sib tw nyob rau hauv lub roob moj sab qhua, kev puas tsuaj rau lub tsheb lub cev yuav ntau dua. Yog li ntawd, lub zog ntawm cov ntaub thaiv npog hauv rally thiab off-road kev sib tw tsheb yog siab dua, thiab cov yeeb nkab qauv yog denser. Cov kws tshaj lij kev tsim cov yob tawb tuaj yeem tsis tsuas yog tiv thaiv cov xwm txheej tsis txaus ntseeg, tab sis kuj txhim kho lub zog thiab tiv thaiv torsion ntawm lub tsheb lub cev. Piv txwv li, los ntawm kev sib txuas ob peb txoj haujlwm ntawm cov yob tawb rau pem hauv ntej thiab nram qab lub rooj zaum shock absorber, txawm tias lub tsheb dhia ntau zaus, lub zog cuam tshuam los ntawm hauv av yuav tawg mus rau lub yob tawb, uas muab kev tiv thaiv rau lub tsheb lub cev.
4130 feem ntau yog siv hauv kev lag luam dav hlau, tab sis thaum ntxov mus rau nruab nrab -1950s, thaum nws nkag mus rau hauv kev sib tw chassis qauv, qhov xwm txheej pib hloov. Ib yam li kev lag luam aviation, kev siv 4130 ua lub ntsiab chassis cov khoom siv hauv kev sib tw tau maj mam tsim ntau xyoo. Thaum lub sijhawm ntawd, ntau tus neeg tsav tsheb sib tw tau nug txog lub peev xwm vuam ntawm 4130 vim tias TIG vuam yog cov cuab yeej tshiab heev, thiab cov tuam ntxhab feem ntau siv brazing rau vuam cov khoom no. Nws tsis yog txog xyoo 1953 uas Boeing Aircraft Company tau sau tseg thiab pib TIG vuam ntawm nws cov qauv 4130. Peb tsis tuaj yeem txiav txim siab lub chassis ntawm thawj 4130 lub tsheb sib tw, tab sis nws muaj feem ntau uas nws tau siv thawj zaug hauv kev sib tw tsheb, xws li SCCA kev sib tw, kev sib tw roj saum toj kawg nkaus, kev sib tw Indy, lossis kev sib tw Formula One.
Los ntawm nruab nrab {{{0}}s, ntau lub tsheb ua los ntawm 4130 tau sib tw hauv ntau theem ntawm kev sib tw lees paub los ntawm SCCA. Xyoo 1953, Forest Edwards tau tsim lub Edwards/Blue Speical siv lub 51 xyoo Morris sedan tawg thiab 4130. Charles Hall yuav tsav nws "me ntsis excavator" los yeej SCCA H-class modified Pacific Coast Championship, uas yog ua los ntawm ib tug trapezoidal ncej ua. 1. 25-" x 0.
Dragmaster Dart: Dodd Martin thiab Jim Nelson, nrog rau lawv cov Dragmaster Dart, nrhiav tau lub tuam txhab Dragmaster hauv Carlsbad, California nyob ib ncig ntawm 1959 lossis 1960. Lawv tau sawv ntawm lub hauv ntej ntawm kev sib tw tshuab thiab yeej "Zoo Tshaj Plaws" hauv NHRA kev sib tw hauv tebchaws. Nyob rau hauv tsawg tshaj li ib xyoos ntawm kev qhib, Dragmaster pib tsim lub chassis hu ua "Dart", uas tuaj nyob rau hauv ob yam ntaub ntawv: 4130 thiab low-carbon steel.
Nyob rau hauv 1965, lub Brawner Hawk, lub rear engine tsim nrog 4130, ua nws debut thiab tau tsav los ntawm Mario Andretti. Brawner Hawk tau tsim los ntawm tus kws kho tsheb legendary Clint Browner thiab nws tus thwjtim Jim McKee thaum lub sijhawm. Nws tau tsim raws li Copper Limax, thawj lub tsheb cav tsheb nkag mus rau 500 mais pib kab hauv Is Nrias teb hauv xyoo 1961, tau tsav los ntawm ob lub sijhawm Formula One tus yeej Jack Brabham. Xyoo ntawd, nyob rau hauv Mario txoj kev tsav tsheb, Braun Hawk tau ua tiav zoo. Ntawm Husserl Grand Prix tuav hauv Indianapolis Circuit Park, Mario tau ua tiav plaub qhov kev sib tw saum toj kawg nkaus, ib txoj haujlwm tus ncej, thiab tsib qhov kev sib tw saum toj kawg nkaus, nrog rau nws thawj zaug yeej ntawm USAC. Nws kuj tau yeej USAC 1965 lub caij sib tw thiab Indianapolis '500 Stark Wetzel Rookie ntawm Xyoo Xyoo 1965.
Thaum xyoo 1960s thiab thaum ntxov 1970s, Dennis Klingman thiab Wyatt Swaim los ntawm Lincoln Electric tau mus rau Tebchaws Europe los qhia Formula One tsheb cov tuam txhab siv TIG vuam rau 4130 kav dej es tsis txhob brazing. Thaum xyoo 1970s, 4130 yuav maj mam nkag mus rau lwm hom kev sib tw. Nyob ib ncig ntawm 1971, Jerry Weeks Baker siv 4130 los tsim lub tawb tshiab ntawm nws lub tsheb Austin Healy Sprite thiab tau sib tw hauv SCCA kev sib tw pom zoo. Lub sijhawm ntawd, SCCA phau ntawv txoj cai tau tso cai siv 4130, tab sis nws tsis pom zoo vim tias vuam nyuaj. Jerry tom qab ntawd tsim lub tsheb sib tw 4130 rau Don Edmonds los koom nrog cov xwm txheej pom zoo los ntawm American Automobile Association (USAC). Nyob ib ncig ntawm 1975, USAC tau hais tias 4130 tuaj yeem siv tau ntev npaum li nws nyob hauv lub xeev qub.
Los ntawm lig 1970s, ntau lub cev ntawv pov thawj tau pib xav kom siv 4130 ua yob tawb nyob rau theem siab tshaj ntawm kev sib tw. Thaum Lub Kaum Ob Hlis 12, 1978, SFI tau hais tias tag nrho cov roj tsheb chassis yuav tsum tau ua los ntawm 4130 cov khoom. SFI yog lub koom haum tsis muaj txiaj ntsig tsom rau kev tshaj tawm thiab tswj cov qauv rau kev tshaj lij / kev ua haujlwm tsheb thiab cov khoom sib tw. Los ntawm 1984, SFI tau hais tias cov tsheb comical yuav tsum tau tsim siv 4130.
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