Fasaloli Da Zane Na Tsarin Ƙirƙirar Shaft na Propeller
Fasaloli Da Zane Na Tsarin Ƙirƙirar Shaft na Propeller
Babban halayen propeller shashas ƙirƙira sune babban diamita na flange da tsayin jiki. An ƙididdige ƙirƙira ƙirƙira guda uku bisa ga nau'in jabun da yanayin injinan injin da ke cikin masana'anta: |
- (1) Zaɓin 1, ta amfani da 800mm babba lebur maƙarƙashiya da ƙananan tsarin ƙaddamar da dandamali;
- (2) Zabi na biyu, ta yin amfani da 900mm babba da ƙananan V-dimbin ɗigon maƙarƙashiya;
- (3) Zabi na uku, ba tare da yin amfani da fasahar haɗaɗɗiya ba, yi amfani da maƙarƙashiya na sama kai tsaye 650mm don cire V-anvil.
An yi amfani da deform-3d software na simulation don daidaita tsarin tsare-tsare guda uku, kuma an gudanar da nazarin damuwa na makirci uku. Sashin giciye na 400 mm daga ƙarshen fuska na ƙirƙira an zaba, kuma an yi nazarin damuwa sau ɗaya. Dukkan tsare-tsare guda uku suna fuskantar matsin lamba na gefe, yayin da tsarin na farko da na biyu suna fuskantar ƙarancin damuwa na gefe. Dukkan tsare-tsaren guda uku suna da damuwa axial tensile stress yayin ƙirƙira. Shirye-shiryen na farko da na biyu suna da nau'ikan damuwa na axial, amma tsari na biyu yana da ƙaramin yanki na damuwa na axial. Sabili da haka, yanayin damuwa na makirci na biyu ya fi kyau.
Domin samun ingantacciyar ƙirƙira, lokacin yin ƙirƙira, ana buƙatar ƙirƙirar jabun gabaɗaya. An yi imani da cewa lokacin da daidaitaccen nau'in ginshiƙan ƙirƙira ya kai 0.2, an ƙirƙira ƙirƙira gaba ɗaya.
Matsakaicin daidaitattun daidaito a wurare na tsakiya na tsarin farko da na uku ya zama 0.18 da 0.02, yayin da daidaitattun tasiri a tsakiyar matsayi na tsari na biyu ya zama 0.3. A cikin tsari na biyu, kwatankwacin ƙimar ƙima na ƙirƙira na ƙirƙira shine mafi girma bayan ƙirƙira, wanda shine mafi fa'ida don haɓaka ƙimar ƙirƙira.
Sabili da haka, ta yin amfani da hanya ta biyu, cibiyar ƙirƙira za ta samar da yanayin damuwa mafi kyau da kuma mafi girma daidai da nau'i don inganta ƙaddamar da ƙananan yanki a tsakiyar ingot.
Zane na jabun tsari
A taƙaice, an ƙirƙira wani tsari mai ban haushi na ƙarfe 90t ta amfani da hanyar KD don zana dogayen ƙirƙira:
- Wuta ta farko: danna jaws, chamfer, kuma tafi ƙasa.
- Wuta ta biyu: yana tayar da hankali zuwa tsayin 1,850mm, diamita na 2350mm, da zane zuwa diamita na 1500mm ta hanyar KD.
- Wuta ta uku: blanking, gama jirgin ruwa propellers.
Ƙirƙirar ƙayyadaddun bayanai, zafin zafin wuta na farko shine 1220 ° C, lokacin riƙewa shine 8h, zafin zafin wuta na biyu shine 1250 ° C, lokacin riƙewa shine 15.5h, zafin dumama wuta na uku shine 1220 ° C, da riƙewa. lokaci 8h.
Shiga wannan labarin : Fasaloli Da Zane Na Tsarin Ƙirƙirar Shaft na Propeller
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