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Ibyuma bitagira umuyonga 310 bifatanye / tubingIbigize imitin'ibigize

Imbonerahamwe ikurikira irerekana imiti yo mu cyiciro cya 310S ibyuma bitagira umwanda.

10 * 1mm 9.25 * 1,24 mm 310 Abatanga imiyoboro ya capillary itagira umuyonga

Ikintu

Ibirimo (%)

Icyuma, Fe

54

Chromium, Cr

24-26

Nickel, Ni

19-22

Manganese, Mn

2

Silicon, Si

1.50

Carbone, C.

0.080

Fosifori, P.

0.045

Amazi meza, S.

0.030

Ibintu bifatika

Imiterere yumubiri yo mucyiciro 310S ibyuma bitagira umwanda bigaragara mumeza akurikira.

Ibyiza

Ibipimo

Imperial

Ubucucike

8 g / cm3

0.289 lb / in³

Ingingo yo gushonga

1455 ° C.

2650 ° F.

Ibikoresho bya mashini

Imbonerahamwe ikurikira irerekana imiterere yubukorikori bwo mu cyiciro cya 310S ibyuma bitagira umwanda.

Ibyiza

Ibipimo

Imperial

Imbaraga

515 MPa

74695 psi

Tanga imbaraga

205 MPa

29733 psi

Modulus

190-210 GPa

27557-30458 ksi

Ikigereranyo cya Poisson

0.27-0.30

0.27-0.30

Kurambura

40%

40%

Kugabanya akarere

50%

50%

Gukomera

95

95

Ibyiza bya Thermal

Imiterere yubushyuhe bwo mu cyiciro cya 310S ibyuma bitagira umwanda bitangwa mumeza akurikira.

Ibyiza

Ibipimo

Imperial

Ubushyuhe bwumuriro (kuri 310)

14.2 W / mK

98.5 BTU muri / hr ft². ° F.

Ibindi

Ibindi bisobanuro bihwanye nicyiciro cya 310S ibyuma bitagira umwanda biri kurutonde rukurikira.

AMS 5521

ASTM A240

ASTM A479

DIN 1.4845

AMS 5572

ASTM A249

ASTM A511

QQ S763

AMS 5577

ASTM A276

ASTM A554

ASME SA240

AMS 5651

ASTM A312

ASTM A580

ASME SA479

ASTM A167

ASTM A314

ASTM A813

SAE 30310S

ASTM A213

ASTM A473

ASTM A814

Intego yubu bushakashatsi ni ugusuzuma ubuzima bwumunaniro wa valve isoko ya moteri yimodoka mugihe ukoresheje microdefects kuri wire ikomye amavuta yo murwego rwa 2300 MPa (OT wire) ifite ubujyakuzimu bukomeye bwa mm 2,5 z'umurambararo.Ubwa mbere, guhindura ubusembwa bwubuso bwinsinga ya OT mugihe cyo gukora isoko ya valve yabonetse hakoreshejwe isesengura ryibintu bitarondoreka hakoreshejwe uburyo bwo kugabanuka, kandi impungenge zisigaye zimpeshyi yarangije gupimwa no gukoreshwa muburyo bwo gusesengura impagarara.Icya kabiri, gusesengura imbaraga zamasoko ya valve, reba impungenge zisigaye, kandi ugereranye urwego rwimyitwarire ikoreshwa nudusembwa twinshi.Icya gatatu, ingaruka za microdefecte kumibereho yumunaniro wimpeshyi zasuzumwe hifashishijwe guhangayikishwa nubusembwa bwubuso bwakuwe mubisesengura ryimbaraga zimpanuka kumirongo ya SN yakuwe mubizamini by umunaniro wa flexural mugihe cyo kuzunguruka insinga OT.Ubujyakuzimu bwa 40 µm nuburyo bugezweho bwo gucunga inenge zitabangamiye ubuzima bwumunaniro.
Inganda zitwara ibinyabiziga zikeneye cyane ibice byimodoka zoroheje kugirango zongere ingufu za lisansi yimodoka.Rero, ikoreshwa ryibyuma bikomeye cyane (AHSS) ryiyongereye mumyaka yashize.Imodoka ya moteri ya moteri yamashanyarazi igizwe ahanini nubushyuhe, irinda kwambara kandi idacogora yamavuta akomeye (insinga za OT).
Bitewe n'imbaraga zabo nyinshi (1900–2100 MPa), insinga za OT zikoreshwa muri iki gihe zituma bishoboka kugabanya ubunini n'ubwinshi bw'amasoko ya moteri ya moteri, kuzamura imikorere ya lisansi mu kugabanya ubushyamirane n'ibice bikikije1.Kubera izo nyungu, ikoreshwa ryumugozi w-insinga nini cyane riragenda ryiyongera cyane, kandi ultra-high-power-wire wire ya 2300MPa igaragara nyuma yizindi.Isoko ya Valve muri moteri yimodoka isaba ubuzima bwa serivisi ndende kuko ikora munsi yimizigo myinshi.Kugira ngo ibyo bisabwa bishoboke, abayikora mubisanzwe batekereza ko ubuzima bwumunaniro burenze 5.5 × 107 mugihe bashushanya amasoko ya valve hanyuma bagashyira imbaraga zisigaye hejuru yisoko ya valve binyuze mumashanyarazi no kugabanya ubushyuhe kugirango ubuzima bwumunaniro2.
Habayeho ubushakashatsi butari buke kubuzima bwumunaniro wamasoko yimodoka mumodoka isanzwe ikora.Gzal n'abandi.Isesengura, igeragezwa kandi ryuzuye (FE) isesengura ryamasoko ya elliptique ihindagurika hamwe nuduce duto twa helix munsi yumutwaro uhagaze.Ubu bushakashatsi butanga imvugo isobanutse kandi yoroshye yerekana aho impagarara nyinshi zogereranywa nigereranya ryikigereranyo hamwe nigitekerezo cyo gukomera, kandi ikanatanga ubushishozi bwisesengura kubyerekeranye no guhangayika gukabije, ikintu gikomeye mubishushanyo mbonera3.Abashumba n'abandi.Ibisubizo by'isesengura ry'irimbuka n'umunaniro w'isoko idasanzwe ikuwe mu modoka yigenga nyuma yo kunanirwa gukora irasobanurwa.Ukoresheje uburyo bwubushakashatsi, isoko yamenetse yarasuzumwe kandi ibisubizo byerekana ko uru ari urugero rwumunaniro wa ruswa.umwobo, nibindi.Putra n'abandi.Kubera ubusumbane bwumuhanda, ubuzima bwumurimo wimpanuka yimodoka iragenwa.Nyamara, ubushakashatsi buke bwakozwe ku buryo inenge zo hejuru zigaragara mugihe cyinganda zikora bigira ingaruka mubuzima bwamasoko yimodoka.
Ubusembwa bwubuso bugaragara mugihe cyo gukora burashobora gutuma umuntu ahangayikishwa cyane nisoko ya valve, bigabanya cyane ubuzima bwumunaniro.Ubuso bwubuso bwamasoko ya valve buterwa nibintu bitandukanye, nkubusembwa bwubutaka bwibikoresho fatizo byakoreshejwe, inenge mubikoresho, gufata nabi mugihe cyo gukonja7.Ubuso bwubuso bwibikoresho fatizo buba bumeze nka V bitewe no kuzunguruka bishyushye no gushushanya byinshi, mugihe inenge zatewe nigikoresho cyo gukora no gufata neza uburangare ni U-ifite imisozi yoroheje8,9,10,11.Inenge ya V itera guhangayikishwa cyane kuruta U-inenge, bityo rero ingingo zikomeye zo gucunga inenge zikoreshwa muburyo bwo gutangira.
Ibipimo bigezweho byo gucunga neza insinga za OT zirimo ASTM A877 / A877M-10, DIN EN 10270-2, JIS G 3561, na KS D 3580. DIN EN 10270-2 igaragaza ko ubujyakuzimu bwubuso bwubuso bwa diameter ya 0.5– Mm 10 iri munsi ya 0.5-1% ya diameter.Byongeye kandi, JIS G 3561 na KS D 3580 bisaba ko ubujyakuzimu bwubusembwa bwubuso bwinkoni y'insinga zifite umurambararo wa mm 0,5-8 mm butarenze 0.5% bya diameter.Muri ASTM A877 / A877M-10, uwabikoze nuwaguze bagomba kumvikana kubwimbitse bwemewe bwinenge.Kugirango bapime ubujyakuzimu bw'inenge hejuru y'insinga, ubusanzwe insinga iba irimo aside hydrochloric, hanyuma uburebure bw'inenge bupimwa hakoreshejwe micrometero.Nyamara, ubu buryo bushobora gupima gusa inenge mubice bimwe kandi ntabwo biri hejuru yibicuruzwa byanyuma.Kubwibyo, abayikora bakoresha igeragezwa rya eddy mugihe cyo gushushanya insinga kugirango bapime inenge yubuso bwakomeje gukorwa;ibi bizamini birashobora gupima ubujyakuzimu bwubuso bugera kuri 40 µm.Icyuma cya 2300MPa cyicyuma kirimo gutezwa imbere gifite imbaraga zingana no kuramba kurenza icyuma gisanzwe cya 1900-2200MPa cyicyuma, bityo ubuzima bwumunaniro wa valve ubuzima bufatwa nkubwunvikana cyane nubuso bwubuso.Niyo mpamvu, birakenewe kugenzura umutekano wo gushyira mu bikorwa ibipimo bihari kugirango ugenzure ubujyakuzimu bw’ubuso bw’icyuma cyo mu cyiciro cya 1900-2200 MPa kugeza ku cyuma cya 2300 MPa.
Intego yubu bushakashatsi ni ugusuzuma ubuzima bwumunaniro wimodoka ya moteri yimodoka ya valve isoko mugihe ubujyakuzimu byibuze bushobora gupimwa nigeragezwa rya eddy (ni ukuvuga 40 µm) rikoreshwa kuri 2300 MPa yo mu cyiciro cya OT (diameter: 2,5 mm): inenge ikomeye ubujyakuzimu.Umusanzu nuburyo bukoreshwa muri ubu bushakashatsi nibi bikurikira.
Nka nenge ya mbere mu nsinga ya OT, hakoreshejwe inenge ya V, igira ingaruka zikomeye kubuzima bwumunaniro, mu cyerekezo cyo guhinduranya ugereranije nu murongo.Reba igipimo cyibipimo (α) n'uburebure (β) bw'inenge yo hejuru kugirango urebe ingaruka z'uburebure bwayo (h), ubugari (w), n'uburebure (l).Ubuso bwubuso bugaragara imbere yisoko, aho gutsindwa bibanza.
Kugirango hamenyekane ihinduka ryinenge zambere mumashanyarazi ya OT mugihe cyo gukonja gukonje, hakoreshejwe uburyo bwa sub-simulation, hitawe kumwanya wo gusesengura nubunini bwinenge zo hejuru, kubera ko inenge ari nto cyane ugereranije ninsinga ya OT.icyitegererezo cyisi.
Imyitozo isigaye yibasiwe nimpeshyi nyuma yicyiciro cya kabiri cyo kurasa cyabazwe nuburyo bwanyuma, ibisubizo byagereranijwe nibipimo nyuma yo kurasa kugirango byemeze icyitegererezo.Byongeye kandi, imihangayiko isigaye mumasoko ya valve kuva mubikorwa byose byakozwe byapimwe kandi bigashyirwa mubikorwa byo gusesengura imbaraga zimpeshyi.
Guhangayikishwa nubusembwa bwubuso byahanuwe no gusesengura imbaraga zimpeshyi, hitabwa ku guhindagurika kwinenge mugihe cyo gukonja gukonje hamwe nibisigara bikomeretsa mugihe cyizuba cyarangiye.
Ikizamini cyo kunaniza umunaniro cyakozwe hakoreshejwe insinga ya OT ikozwe mubikoresho bimwe na valve isoko.Kugirango uhuze imihangayiko isigaye hamwe nubusumbane bwubuso buranga amasoko ya valve yahimbwe kumurongo wa OT, umurongo wa SN wabonetse muguhinduranya ibizamini byo kunaniza umunaniro nyuma yo gukoresha ibyiciro bibiri byo kurasa hamwe na torsion nkibikorwa byo kwitegura.
Ibisubizo byimbaraga zisesengura bikoreshwa muburinganire bwa Goodman hamwe na SN umurongo kugirango uhanure ubuzima bwumunaniro wimpanuka, kandi ingaruka zubuso bwubuso bwubuzima bwumunaniro nabwo burasuzumwa.
Muri ubu bushakashatsi, hifashishijwe insinga ya 2300 MPa OT ifite umurambararo wa mm 2,5 mm kugirango isuzume ubuzima bw'umunaniro wa moteri yimodoka ya valve isoko.Ubwa mbere, hakozwe ikizamini cyurugero rwinsinga kugirango kibone icyitegererezo cyacitse.
Ibikoresho bya tekinike ya OT byabonetse mubizamini bya tensile mbere yisesengura ryanyuma ryimikorere ikonje nimbaraga zimpeshyi.Umurongo uhangayikishije umurongo wibikoresho wagenwe ukoresheje ibisubizo byikizamini cya tensile ku gipimo cya 0.001 s-1, nkuko bigaragara ku mutini.1. Umugozi wa SWONB-V urakoreshwa, kandi imbaraga zumusaruro, imbaraga zingana, modulus ya elastique hamwe na Poisson ni 2001.2MPa, 2316MPa, 206GPa na 0.3.Kwishingikiriza kumaganya kubibazo bitemba biboneka kuburyo bukurikira:
Umuceri.2 yerekana inzira yo kuvunika.Ibikoresho bigira ihinduka rya elastoplastique mugihe cyo guhindura ibintu, kandi ibintu bigabanuka iyo imihangayiko yibintu igeze ku mbaraga zayo.Ibikurikiraho, kurema, gukura no guhuza ubusa mubikoresho biganisha ku gusenya ibintu.
Uburyo bwo kuvunika buhindagurika bukoresha uburyo bwahinduwe bwo guhindura ibintu bwita ku ngaruka zo guhangayika, naho kuvunika nyuma yizosi bikoresha uburyo bwo gukusanya ibyangiritse.Hano, gutangira ibyangiritse bigaragazwa nkigikorwa cyo guhangayika, guhangayikishwa no kugabanuka.Imyitwarire ya triaxiality isobanurwa nkigiciro cyagereranijwe kiboneka mugabanye hydrostatike ihangayikishijwe no guhindura ibintu kugeza igihe ijosi ryakozwe nihungabana rikomeye.Muburyo bwo gukusanya ibyangiritse, kurimbuka bibaho mugihe agaciro kangiritse kageze kuri 1, ningufu zisabwa kugirango ugere ku gaciro kangana na 1 bisobanurwa nkingufu zo gusenya (Gf).Ingufu zavunitse zihuye nakarere kukuriye guhangayikishwa-kwimura umurongo wibikoresho kuva mwijosi kugeza igihe cyo kuvunika.
Kubijyanye nicyuma gisanzwe, bitewe nuburyo bwo guhangayika, kuvunika guhindagurika, kuvunika kwogosha, cyangwa kuvanga uburyo buvanze bibaho bitewe no guhindagurika no kuvunika ubwoya, nkuko bigaragara ku gishushanyo cya 3. Imyivumbagatanyo ivunika hamwe na triaxiality yerekanaga indangagaciro zitandukanye kuri uburyo bwo kuvunika.
Kunanirwa kwa plastike bibaho mukarere gahuye na triaxialité irenze 1/3 (zone I), kandi kuvunika kuvunika no guhangayika triaxiality birashobora gukurwa mubizamini bikaze kubigereranyo bifite inenge nubuso.Mu gace gahuye na triaxiality ya 0 ~ 1/3 (zone II), habaho kuvunika kuvunika no kunanirwa gukata (ni ukuvuga binyuze mu kizamini cya torsion. Mu gace gahuye na triaxiality kuva -1/3 kugeza 0 (III).
Ku nsinga za OT zikoreshwa mugukora moteri ya valve yamashanyarazi, birakenewe ko uzirikana kuvunika kwatewe nuburyo butandukanye bwo gupakira mugihe cyo gukora nuburyo bwo gusaba.Kubwibyo rero, ibizamini bya tensile na torsion byakozwe kugirango hashyirwe mu bikorwa ibipimo byatsinzwe, hasuzumwe ingaruka ziterwa na triaxialité kuri buri buryo bwo guhangayika, kandi hasesenguwe ibintu bya elastoplastique bitagira ingano ku manini manini byakozwe kugira ngo hamenyekane impinduka zishingiye ku mpagarara.Uburyo bwo guhunika ntibwigeze busuzumwa kubera imbogamizi yo gutunganya icyitegererezo, ni ukuvuga diameter ya wire ya OT ni mm 2,5 gusa.Imbonerahamwe 1 irerekana urutonde rwibizamini bya tensile na torsion, hamwe no guhangayika triaxiality hamwe no kuvunika, byabonetse hakoreshejwe isesengura ryibintu bitagira ingano.
Kuvunika kwicyuma gisanzwe cya triaxial mukibazo kirashobora guhanurwa ukoresheje ikigereranyo gikurikira.
aho C1: \ ({\ umurongo {{\ varepsilon} _ {0}}} ^ {pl} \) gukata neza (η = 0) na C2: \ ({\ hejuru } ^ {pl} \) Guhagarika umutima (η = η0 = 1/3).
Imirongo yerekana kuri buri buryo bwo guhangayika iboneka mugukoresha ibice byavunitse agaciro C1 na C2 mukuringaniza.(2);C1 na C2 biboneka mubizamini bya tensile na torsion kuburugero nta nenge zifite.Igicapo ca 4 cerekana impagarara triaxiality hamwe no kuvunika gukomoka kubizamini hamwe n'imirongo yerekana yahanuwe..Kuvunika kuvunika no guhangayikishwa na triaxialité kuri buri buryo bwo guhangayika, bwabonetse mugukurikiza imirongo yerekana, byakoreshejwe nkibipimo byo kuvunika.
Kumena ingufu zikoreshwa nkumutungo wibintu kugirango umenye igihe cyo gucika nyuma yo kwizosi kandi urashobora kuboneka mubizamini bya tensile.Ingufu zavunitse ziterwa no kuboneka cyangwa kutabaho kw'ibice hejuru yibikoresho, kubera ko igihe cyo kuvunika biterwa no kwibanda kumaganya yaho.Igishushanyo 5a-c cyerekana imbaraga zavunitse zintangarugero zidafite inenge nubuso hamwe na R0.4 cyangwa R0.8 uhereye kubizamini bya tensile hamwe nisesengura ryanyuma.Ingufu zavunitse zihuye nubuso bwukuri bwo guhagarika umutima-kwimuka kuva ku ijosi kugeza igihe cyo kuvunika.
Ingufu zavunitse z'insinga ya OT ifite ubusembwa bwiza bwahanuwe mugukora ibizamini bikaze ku nsinga ya OT ifite ubujyakuzimu burenze 40 µm, nkuko bigaragara ku gishushanyo cya 5d.Ingero icumi zifite inenge zakoreshejwe mu bizamini bya tensile kandi impuzandengo yo kuvunika yagereranijwe kuri 29.12 mJ / mm2.
Ubusanzwe ubuso busanzwe busobanurwa nkikigereranyo cyubujyakuzimu bwinenge na diameter yumurongo wamazi wamazi, utitaye kumiterere yubuso bwa geometrike ya wire ya OT ikoreshwa mugukora amasoko yimodoka.Inenge ya OT irashobora gutondekwa hashingiwe ku cyerekezo, geometrie, n'uburebure.Ndetse hamwe nubujyakuzimu bumwe, urwego rwimyitwarire ikora ku busembwa bwubuso bwimpeshyi iratandukana bitewe na geometrie nicyerekezo cyinenge, bityo geometrie nicyerekezo cyinenge birashobora kugira ingaruka kumunaniro.Niyo mpamvu, birakenewe kuzirikana geometrie nicyerekezo cyinenge zigira ingaruka zikomeye kubuzima bwumunaniro wamasoko kugirango dushyire mubikorwa ingamba zikomeye zo gucunga inenge.Bitewe nuburyo bwiza bwimiterere ya wire ya OT, ubuzima bwumunaniro bwabwo bwunvikana cyane.Kubwibyo, inenge yerekana guhangayikishwa cyane ukurikije geometrie hamwe nicyerekezo cyinenge igomba gushyirwaho nkinenge yambere ukoresheje isesengura ryibanze.Ku mutini.6 yerekana ultra-high strength 2300 MPa icyiciro cyimodoka ya valve amasoko yakoreshejwe murubu bushakashatsi.
Ubuso bwubuso bwinsinga za OT bugabanijwemo inenge zimbere nizindi nenge ukurikije umurongo wamasoko.Bitewe no kunama mugihe cyo gukonja, guhagarika umutima no guhagarika umutima bikora imbere no hanze yisoko.Kumeneka birashobora guterwa nubusembwa bwubuso bugaragara hanze kubera guhangayika cyane mugihe cyo gukonja.
Mu myitozo, amasoko akorerwa kwikuramo igihe no kuruhuka.Mugihe cyo kwikuramo amasoko, insinga zicyuma ziragoreka, kandi bitewe nuburemere bwibibazo, impagarara zogosha imbere yisoko zirenze izikikije inkari7.Kubwibyo, niba hari ubusembwa bwimbere imbere yisoko, amahirwe yo kumena amasoko ni menshi.Rero, uruhande rwinyuma rwamasoko (ahantu hateganijwe gutsindwa mugihe cyo gukora amasoko) no kuruhande rwimbere (aho imihangayiko iba ikomeye mubikorwa nyabyo) byashyizweho nkibibanza byubuso bwubuso.
Ubuso butagaragara bwa geometrie yumurongo wa OT igabanijwemo U-shusho, V-shusho, Y-shusho, na T-shusho.Y-Ubwoko na T-Ubwoko bubaho cyane cyane mubuso bwibikoresho byibikoresho fatizo, kandi inenge ya U-na V-V ibaho kubera gufata neza ibikoresho muburyo bwo gukonja.Kubyerekeranye na geometrike yubuso bwibikoresho biri mubikoresho fatizo, inenge U-U ituruka kumiterere ya plastike idahuye mugihe cyo kuzunguruka ishyushye ihindurwamo inenge ya V, Y-Y na T-inenge ya T munsi munsi yinzira ndende 8, 10.
Byongeye kandi, inenge ya V, Y na T na T ifite inenge ifite impagarike ihanamye yikibanza hejuru izaterwa no guhangayika cyane mugihe cyo gukora isoko.Amasoko ya Valve yunama mugihe cyo gukonja no kugoreka mugihe cyo gukora.Imyitwarire yibibazo bya V-na Y ifite inenge hamwe nibibazo byinshi byo guhangayika byagereranijwe ukoresheje isesengura ryibintu bitagira ingano, ABAQUS - porogaramu yubucuruzi yanyuma.Umubano uhangayikishije werekana ku gishushanyo cya 1 no kugereranya 1. (1) Iyi simulation ikoresha ibice bibiri-bine (2D) byurukiramende bine-node, kandi byibura uburebure bwuruhande ni 0.01 mm.Kuri moderi yisesengura, inenge ya V na Y ifite ubujyakuzimu bwa mm 0,5 nubuso bwinenge ya 2 ° yashyizwe kumurongo wa 2D wumugozi ufite diameter ya mm 2,5 nuburebure bwa mm 7.5.
Ku mutini.7a yerekana guhangayikishwa no kugabanuka kumutwe wa buri nenge iyo umwanya wo kugunama wa 1500 Nmm ushyizwe kumpande zombi za buri nsinga.Ibisubizo by'isesengura byerekana ko guhangayikishwa cyane na 1038.7 na 1025.8 MPa biboneka hejuru yinenge ya V na Y-inenge.Ku mutini.7b yerekana guhangayikishwa hejuru ya buri nenge iterwa na torsion.Iyo uruhande rw'ibumoso rugabanijwe kandi urumuri rwa 1500 N ∙ mm rushyizwe kuruhande rwiburyo, impagarara nini ya 1099 MPa iboneka kumpanuro yinenge ya V na Y.Ibisubizo byerekana ko inenge ya V yerekana imbaraga zunamye kuruta Y-inenge iyo zifite ubujyakuzimu nubuso bwinenge, ariko bahura nibibazo bya torsional.Kubwibyo, inenge ya V na Y ifite ubuso bwubuso hamwe nubujyakuzimu bumwe nubuso bwinenge burashobora guhinduka mubisanzwe V-ifite imbaraga nyinshi ziterwa no guhangayika.Ingano yubunini bwa V isobanurwa nka α = w / h ukoresheje ubujyakuzimu (h) n'ubugari (w) bwa V-bwoko na T-inenge;bityo, inenge ya T (α ≈ 0) aho, geometrie irashobora gusobanurwa nuburyo bwa geometrike yuburyo bwa V.Kubwibyo, Y-Ubwoko na T-inenge irashobora kuba bisanzwe muburyo bwa V.Ukoresheje ubujyakuzimu (h) n'uburebure (l), igipimo cy'uburebure gisobanurwa ukundi nka β = l / h.
Nkuko bigaragara ku gishushanyo cya 811, icyerekezo cy inenge zubuso bwinsinga za OT zigabanyijemo icyerekezo kirekire, gihinduranya kandi gihanamye, nkuko bigaragara ku gishushanyo cya 811. Isesengura ryingaruka zicyerekezo cyubusembwa bwubuso ku mbaraga zimpeshyi nibintu byanyuma buryo.
Ku mutini.9a yerekana moteri ya valve isoko yo gusesengura impungenge.Nkuburyo bwo gusesengura, isoko yarahagaritswe kuva ku burebure bwa mm 50.5 kugeza ku burebure bukomeye bwa mm 21.8, impagarara nini ya MPa 1086 yatangijwe mu masoko, nkuko bigaragara ku gishushanyo cya 9b.Kubera ko kunanirwa kwimashini ya moteri nyayo iba cyane cyane mugihe cyizuba, kuba hari ubusembwa bwimbere byitezwe ko bizagira ingaruka zikomeye kubuzima bwumunaniro wimpeshyi.Kubwibyo, ubuso bwubuso mubyerekezo birebire, bihinduranya kandi byerekanwa bikoreshwa imbere yimbere ya moteri ya valve ikoresheje tekinoroji yo kwerekana.Imbonerahamwe 2 irerekana ibipimo byubuso bwubuso hamwe nihungabana ryinshi muri buri cyerekezo cyinenge mugihe cyo guhunika kwinshi.Guhangayikishwa cyane byagaragaye mu cyerekezo cyo guhinduranya, kandi ikigereranyo cy’imihangayiko mu cyerekezo kirekire kandi cyerekezo cyerekezo cyagereranijwe cyagereranijwe ni 0.934–0.996.Ikigereranyo cyo guhangayika kirashobora kugenwa no kugabanya gusa agaciro nagaciro ntarengwa.Guhangayikishwa cyane mu mpeshyi bibaho hejuru ya buri nenge igaragara, nkuko bigaragara ku gishushanyo cya 9s.Indangagaciro zo guhangayika zigaragara mubyerekezo birebire, bihindagurika, na oblique ni 2045, 2085, na 2049 MPa.Ibisubizo by'iri sesengura byerekana ko ubusembwa bwimbere bugira ingaruka zitaziguye mubuzima bwumunaniro wa moteri ya valve.
Ubusembwa bwa V, bufatwa ko bugira ingaruka cyane kubuzima bwumunaniro wa moteri ya valve isoko, bwatoranijwe nkubusembwa bwambere bwinsinga ya OT, naho icyerekezo cyo guhinduranya cyatoranijwe nkicyerekezo cyinenge.Iyi nenge ntabwo iba hanze gusa, aho moteri ya valve yamenetse mugihe cyo kuyikora, ariko no imbere, aho guhangayika cyane bibaho kubera guhangayika mugihe cyo gukora.Ubujyakuzimu ntarengwa bwashyizwe kuri 40 µm, bushobora gutahurwa na eddy yerekana inenge, naho ubujyakuzimu buke bushyirwa mubwimbitse bujyanye na 0.1% bya diameter ya mm 2,5.Kubwibyo, ubujyakuzimu bw'inenge kuva kuri 2,5 kugeza 40 µm.Ubujyakuzimu, uburebure, n'ubugari bw'utunenge dufite uburebure bwa 0.1 ~ 1 n'uburebure bwa 5 ~ 15 byakoreshejwe nk'ibihinduka, kandi hasuzumwe ingaruka zabyo ku munaniro w'imbaraga z'isoko.Imbonerahamwe 3 irerekana urutonde rwisesengura rwagenwe hakoreshejwe uburyo bwo gusubiza.
Imashini ya moteri yimodoka ikorwa nubukonje bukonje, ubushyuhe, guturika kurasa hamwe nubushyuhe bwa wire ya OT.Guhindura inenge zubuso mugihe cyo guhimba impeshyi bigomba kwitabwaho kugirango harebwe ingaruka ziterwa nubuso bwambere mumigozi ya OT kubuzima bwumunaniro wamasoko ya valve.Kubwibyo, muri iki gice, isesengura ryibintu bitagira ingano rikoreshwa mu guhanura ihinduka ry’imiterere ya insinga ya OT mugihe cyo gukora buri soko.
Ku mutini.10 yerekana inzira ikonje.Muri iki gikorwa, insinga ya OT igaburirwa mu cyuma cyifashishijwe na roller yo kugaburira.Umuyoboro winsinga ugaburira kandi ushyigikira insinga kugirango wirinde kunama mugihe cyo gukora.Umugozi unyura mu cyuma cyayobowe nu mugozi wa mbere nuwa kabiri kugirango ube isoko ya coil hamwe na diameter yimbere.Ikibanza cyamasoko cyakozwe no kwimura igikoresho nyuma yintambwe imwe.
Ku mutini.11a yerekana ibintu bitagira ingano bikoreshwa mugusuzuma ihinduka rya geometrie yubuso bwubuso mugihe cyo gukonja.Gukora insinga birangizwa ahanini na pin.Kubera ko igice cya oxyde hejuru yinsinga ikora nk'amavuta yo kwisiga, ingaruka zo guteranya uruziga ntizihagije.Kubwibyo, muburyo bwo kubara, kugaburira ibiryo hamwe nuyobora insinga byoroshe nkibihuru.Coefficient de friction hagati ya wire ya OT nigikoresho cyo gukora yashyizwe kuri 0.05.Indege ya 2D ikomeye yumubiri hamwe nuburyo bwo gukosora bikoreshwa kuruhande rwibumoso bwumurongo kugirango rushobore kugaburirwa mu cyerekezo X ku muvuduko umwe n’uruzitiro (0,6 m / s).Ku mutini.11b yerekana uburyo bwo kwigana bwakoreshejwe mugukoresha inenge nto.Kugirango uzirikane ingano yubuso bwubuso, submodel ikoreshwa inshuro ebyiri kubuso bwubuso bufite ubujyakuzimu bwa 20 µm cyangwa burenga ninshuro eshatu kubusembwa bwubuso bufite uburebure buri munsi ya 20 µm.Ubuso bwubuso bukoreshwa mubice byakozwe nintambwe zingana.Muri rusange icyitegererezo cy'isoko, uburebure bw'igice kigororotse ni mm 100.Kuri submodel yambere, shyira submodel 1 ifite uburebure bwa 3mm kumwanya muremure wa 75mm uhereye kumurongo wisi.Igereranya ryakoresheje ibice bitatu (3D) impande esheshatu zuzuye.Muri moderi yisi yose hamwe na submodel 1, uburebure bwuruhande rwa buri kintu ni 0.5 na 0.2 mm.Nyuma yo gusesengura sub-moderi ya 1, inenge yubuso ikoreshwa kuri sub-moderi ya 2, naho uburebure nubugari bwa sub-moderi 2 ni inshuro 3 z'uburebure bwubuso bwo gukuraho ingaruka ziterwa nimbibi zicyitegererezo, muri wongeyeho, 50% yuburebure nubugari bikoreshwa nkubujyakuzimu bwa sub-moderi.Muri moderi ya 2, uburebure bwuruhande rwa buri kintu ni 0.005 mm.Inenge zimwe zubuso zashyizwe mubikorwa byisesengura ryanyuma nkuko bigaragara mu mbonerahamwe ya 3.
Ku mutini.12 yerekana ikwirakwizwa ryimyitwarire mubice byo hejuru nyuma yo gukora ubukonje bwa coil.Moderi rusange hamwe na submodel 1 yerekana hafi ya stress imwe ya 1076 na 1079 MPa ahantu hamwe, ibyo bikaba byemeza neza uburyo bwa submodeling.Imyitwarire yaho yibanze ibera kumupaka wa submodel.Ikigaragara, ibi biterwa nimbibi zimiterere ya submodel.Bitewe no guhangayikishwa cyane, sub-moderi ya 2 hamwe nubuso bwakoreshejwe hejuru yerekana guhangayikishwa na 2449 MPa kumutwe wubusembwa mugihe cyo gukonja.Nkuko bigaragara mu mbonerahamwe ya 3, inenge zo hejuru zagaragajwe nuburyo bwo gusubiza bwakoreshejwe imbere yisoko.Ibisubizo by'isesengura ryibintu byanyuma byerekanaga ko ntanumwe muribibazo 13 byubuso bwananiwe.
Mugihe cyo kuzunguruka mubikorwa byose byikoranabuhanga, ubujyakuzimu bwinenge zubuso bwimbere bwimbere bwiyongereyeho 0.1-2,62 µm (Ishusho 13a), naho ubugari bwaragabanutseho 1.8-35.79 µm (Ishusho 13b), mugihe uburebure bwiyongereyeho 0,72 –34.47 µm (Ishusho 13c).Kubera ko inenge ya transvers ya V ifunze mubugari no kugunama mugihe cyo gukonja gukonje, ihindurwamo inenge ya V ifite ahantu hahanamye kuruta inenge yambere.
Guhindura Ubujyakuzimu, Ubugari n'Uburebure bwa OT Wire Surface Inenge Mubikorwa byo Gukora.
Koresha ubusembwa bwubuso hanze yisoko hanyuma utegure ko bishoboka ko uzavunika mugihe gikonje ukoresheje Isesengura ryibanze.Ukurikije ibisabwa biri mu mbonerahamwe.3, ntabwo bishoboka gusenya inenge hejuru yinyuma.Muyandi magambo, nta kurimbuka kwabayeho mubwimbike bwubuso kuva kuri 2,5 kugeza 40 µm.
Kugirango hamenyekane inenge zikomeye, kuvunika hanze mugihe cyo gukonjesha byakorewe iperereza hongerwa ubujyakuzimu kuva kuri 40 µm kugeza kuri 5 µm.Ku mutini.14 yerekana kuvunika kuruhande rwubuso.Kumeneka bibaho mubihe byimbitse (55 µm), ubugari (2 µm), n'uburebure (733 µm).Ubujyakuzimu bukomeye bwinenge yubuso hanze yisoko byagaragaye ko ari 55 mm.
Uburyo bwo kurasa burasa gukura gukura kandi byongera ubuzima bwumunaniro mugukora imihangayiko isigaye yo kwikuramo ubujyakuzimu buturutse kumasoko;icyakora, itera guhangayikishwa no kongera ubuso bwimvura, bityo bikagabanya umunaniro wimpeshyi.Kubwibyo, tekinoroji ya kabiri ya tekinoroji ikoreshwa mugutanga amasoko yingufu nyinshi kugirango yishyure igabanuka ryubuzima bwumunaniro uterwa nubwiyongere bwuburakari bukabije buterwa no kurasa.Ibyiciro bibiri byo kurasa birashobora kunoza uburinganire bwubuso, guhangayikishwa cyane nigisigara gisigaranye, hamwe no guhagarika ibisigisigi byo hejuru kubera ko kurasa kwa kabiri bikorwa nyuma yo kurasa bwa mbere12,13,14.
Ku mutini.15 yerekana uburyo bwo gusesengura uburyo bwo guturika.Hakozwe icyitegererezo cya elastiki-plastiki aho imipira 25 yajugunywe mukarere kegereye umurongo wa OT kugirango iturike.Mu buryo bwo gusesengura ibisasu byarashwe, inenge zo hejuru ya wire ya OT yahinduwe mugihe gikonje cyakoreshejwe nkinenge zambere.Kurandura imihangayiko isigaye ituruka kumurongo ukonje ukonje ukoresheje ubushyuhe mbere yo guturika.Imiterere ikurikira yumurongo wamasasu yakoreshejwe: ubucucike (ρ): 7800 kg / m3, modulus ya elastike (E) - 210 GPa, igipimo cya Poisson (υ): 0.3.Coefficient yo guterana hagati yumupira nibikoresho yashyizwe kuri 0.1.Amasasu afite diameter ya 0,6 na 0,3 mm yasohowe ku muvuduko umwe wa 30 m / s mugihe cya mbere nicya kabiri cyo guhimba.Nyuma yo guturika kurasa (mubindi bikorwa byo gukora byerekanwe ku gishushanyo cya 13), ubujyakuzimu, ubugari, n'uburebure bw'utunenge twinshi mu masoko byatangiye kuva kuri -6.79 kugeza 0.28 µm, -4.24 kugeza kuri 1.22 µm, na -2 .59 kugeza kuri 1.69 µm, µm.Bitewe no guhindura plastike yumushinga wasohotse kuri perpendicular hejuru yibintu, ubujyakuzimu bwinenge buragabanuka, byumwihariko, ubugari bwinenge buragabanuka cyane.Ikigaragara ni uko inenge yafunzwe kubera ihindagurika rya plastike ryatewe no kurasa.
Mugihe cyo kugabanya ubushyuhe, ingaruka zo kugabanuka gukonje hamwe nubushyuhe buke burashobora gukora kumasoko ya moteri icyarimwe.Igikonje gikonje cyane cyerekana urwego rwimpeshyi mugukanda kurwego rwo hejuru rushoboka mubushyuhe bwicyumba.Muri iki gihe, niba moteri ya valve isoko yuzuye hejuru yumusaruro wibikoresho, moteri ya valve isoko yamashanyarazi ihindagurika, byongera imbaraga zumusaruro.Nyuma yo guhindagurika kwa plastike, isoko ya valve ihindagurika, ariko imbaraga ziyongereye zitanga ubworoherane bwamasoko ya valve mubikorwa nyabyo.Ubushyuhe buke bwa annealing butezimbere ubushyuhe no guhindura ibintu byamasoko ya valve ikorera mubushyuhe bwinshi2.
Ubusembwa bwubuso bwahinduwe mugihe cyo guturika kwamasasu mu isesengura rya FE kandi umurima wibisigisigi byapimwe hamwe nibikoresho bya X-ray bitandukanya (XRD) byashyizwe kumurongo wa 2 (Ishusho 8) kugirango hamenyekane impinduka zinenge mugihe cyo kugabanuka kwubushyuhe.Isoko yagenewe gukora murwego rwa elastike hanyuma ihagarikwa kuva muburebure bwayo bwa mm 50.5 kugeza ku burebure bwayo bwa mm 21.8 hanyuma yemererwa gusubira muburebure bwayo bwa mm 50.5 nkuburyo bwo gusesengura.Mugihe cyo kugabanuka kwubushyuhe, geometrie yinenge ihinduka kuburyo budasanzwe.Ikigaragara ni uko guhagarika imbaraga zisigaye za 800 MPa no hejuru yayo, byakozwe no guturika kurasa, birwanya ihinduka ryimiterere yubuso.Nyuma yo kugabanuka kwubushyuhe (Igicapo 13), ubujyakuzimu, ubugari, nuburebure bwubusembwa bwubuso butandukanye kuva kuri -0.13 kugeza 0.08 µm, kuva kuri -0,75 kugeza 0 µm, no kuva 0.01 kugeza kuri 2,4 µm.
Ku mutini.16 igereranya deformations za U-shusho na V zifite inenge zingana (40 µm), ubugari (22 µm) n'uburebure (600 µm).Guhindura mubugari bwa U-shusho na V-inenge nini kuruta guhinduka muburebure, ibyo bikaba biterwa no gufunga icyerekezo cyubugari mugihe gikonje gikonje no kurasa.Ugereranije nubusembwa bwa U, inenge ya V yakozwe mubwimbitse buringaniye kandi hamwe n’imisozi ihanamye, byerekana ko hashobora kubaho uburyo bwo kwibumbira hamwe mugukoresha inenge ya V.
Iki gice kivuga ku guhindura inenge yambere kumurongo wa OT kuri buri cyiciro cyo gukora isoko ya valve.Inenge ya mbere ya OT ikoreshwa muburyo bwimbere yisoko ya valve aho biteganijwe ko gutsindwa biterwa nihungabana ryinshi mugihe cyo gukora isoko.Ubusembwa bwa V-busa nubuso bwinsinga za OT bwiyongereyeho gato muburebure n'uburebure kandi bwaragabanutse cyane mubugari kubera kunama mugihe gikonje.Gufunga mu cyerekezo cy'ubugari bibaho mugihe cyo kurasa hamwe na bike cyangwa bitagaragara neza byahinduwe mugihe cy'ubushyuhe bwa nyuma.Muburyo bwo gukonjesha no gukonjesha kurasa, hariho deformisiyo nini mu cyerekezo cy'ubugari kubera ihindagurika rya plastiki.Inenge ya V ifite imbere yisoko ya valve ihindurwa inenge ya T kubera gufunga ubugari mugihe cyimbeho ikonje.

 


Igihe cyo kohereza: Werurwe-27-2023