Nhanganyaya Kune Iyo Kukanda Maitiro Eakakura Mhangura Alloy Propellers

Modeling nzira

Nekuda kwechimiro chakaomarara che ngarava inofambisa mashizha uye hombe rehurukuro rehukuru hwesimbi-hombe dhizaini, iyo yekuumbwa tekinoroji inonyanya kukosha. Iyo mhando yekuumbwa haina kukwana, izvo zvinogona kukonzera kudzinga kutadza saizi uye zvakakomba kukonzera kuraswa. Naizvozvo, iyo modelling maitiro eiyo propeller inonyanya kukosha.

Parizvino, chimiro cheiyo propeller chinowanzo shandisa dhijitari yekuratidzira pikiji geji, muchinjiko-chikamu template, kona mutsara template uye manyore modhi. Dhata rejecha rakaiswa uchishandisa CAD komputa. Iyi dhata inofanirwa kufunga nezvekushomeka kwekukanda, iko kuderera kweiyo chiwanikwa, uye yakakodzera machining mvumo. Mushure mekugadzirwa kwejecha, template yekuongorora senge chikamu chemuchinjikwa uye iyo yekona line template inoshandiswa kuongorora saizi yemashizha size kuona kuti data rinosangana nezvinodiwa.

Kugadziriswa kwekudzikira

Iyo padhadha reza yakafara uye iyo blade ukobvu haina kuenzana kugoverwa. Iyo yakanyanya hukobvu yechitsitsinho che blade ndeye 336mm uye chipenga chipenga ingori 22mm chete. Iyo mukaha wakakura zvekuti kupisa kwetembiricha uye kutonhora kumhanya kwakasiyana mukukanda. Nekudaro, izvo zvikonzero nemitemo zvinokanganisa deformation hazvina kunyatsonzwisiswa. Rutivi rwunotungamira rwakaganhurirwa pasi, uye mupendero wakachinjika kumusoro, iro banga rakaremara torsion, uye pini inova diki. Naizvozvo, zvinotaurwa nehunyanzvi kuti iyo shrinkage rate ye (0.2 ~ 0.4) R pari iri 1.0%, iyo shrinkage rate ye (0.5 ~ 0.7) R iri 2.0%, uye iyo shrinkage rate ye (0.8 ~ 1.0) R iri 3.0% ; iyo yakazara mutsara Iyo shrinkage rate inotorwa se1.5%.

	Mufananidzo 1 Machining mvumo ye blade kumashure

Kufunga kwemuchina vhoriyamu

Kuti udzikise kuremara kwepamusoro kweanokanda uye kuwana castings ane akakwana zviyero uye yakanaka yepamusoro mhando, izvo zvinodikanwa zvekudzikisira uye deformation chete hazvigone kuzadzikisa izvo zvinodiwa, uye iyo machining mvumo inofanira kuwedzerwa zvakakodzera. Iyo yemuchina yekupa mari yeiyo chipenga yakatemwa seinotevera: siya iyo machining mugove pane iro reza pamusoro; siya machining mugove pane blade pamusoro; ona Mufananidzo 1 weiyo machine machining mugove webadza kumashure; 20mm; 10mm kune rimwe divi redenderedzwa rekunze kwehubhubhu, 15mm kune rimwe divi rehomwe yemukati mehubhu, 15mm kureba kumagumo makuru ehubhu, uye 10mm kureba kumucheto mudiki.

Kuchengeta kwakazivikanwa

Sezvo izvo zvinhu zvefambisi ZCuAl9Fe4Ni4Mn2 zvine mamwe maAl, zviri nyore kuumba yechipiri oxide slag panguva yekudurura. Naizvozvo, mukugadzirwa kweiyo inodurura system, inofanirwa kutariswa kuti kudira sisitimu here kunogona kuona kuzadza kwakatsetseka kwesimbi yemvura, uye inofanira kunge iine kudurura zvine mutsindo Speed, slag ichivharira uye kugona kubvisa slag kudzivirira kusagadzikana. Jekiseni repazasi rinowanzo gamuchirwa, uye huwandu hwenzvimbo yechikamu cheiyo inodurura yakatwasuka: yakatwasuka: yemukati = 1: (2 ~ 2.5): (10 ~ 30). Nekuda kwehuremu hwakazara hwekukanda, maviri φ60mm akamhanya akamhanya uye 26 φ60mm anoshandiswa. Mukati megedhi.

Kudzvinyirira kwese kwemhangura alloy propeller ingangoita 1.5%, saka dhizaini yekusimudza yakakoshawo kwazvo. Kazhinji, kukwirira kwechokwira kuri 0.6 kusvika 0.8 zvakapetwa kukwirisa kwenzvimbo yacho.

Kubheka uye kutonhora

Iyo mold inoomeswa neanopisa mhepo inovhuvhuta, iyo inowanzo deredza hunyoro mujecha rekuumba uye inoderedza hurema senge porosity uye oxidized slag nekuda kwekunyanyisa hunyoro hunowanikwa mujecha rekuumba. Neyunifomu yekuomesa, mweya unobuda panhare unovhurwa panzvimbo yakadzikira padivi pechikwiriso. Iyo fomu inochengetwa pa150 ° C kwemaawa angangoita makumi maviri nemana kuona kuti tembiricha yekubuditsa mweya haina kudzika pane 24 ° C.

Nekuti iyo padhaya reza ine hombe ukobvu gradient, zvinonzwisisika inokonzeresa dzakasiyana nguva dzekutonhodza dzezvikamu zvakasiyana. Kuitira kuona kuti kurasa kune simba rakaringana, kuchengetedza kupisa kwekukanda uku hakusi pasi pe120h mushure mekudira. Kana tembiricha ikadzika kusvika pa300 ° C, tsiva inoitwa. Nekutambanudza iyo nguva inotonhorera, iyo yekukanda inogona kusunungura zvizere iyo yekukanda kushushikana kudzivirira reza deformation nekuda kweiyo hombe tembiricha gradient.

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