Selelekela
Ha ho tluoa tabeng ea ho matlafatsa fiber ka li-composites, lisebelisoa tse peli tse tloaelehileng tse sebelisoang kelikhoele tse khaotsoenglelikhoele tse tsoelang pele. Ka bobeli li na le thepa e ikhethang e etsang hore li tšoanelehe bakeng sa lits'ebetso tse fapaneng, empa u etsa qeto joang hore na ke efe e molemo bakeng sa morero oa hau?
Sengoliloeng sena se hlahloba liphapang tsa bohlokoa, melemo, mathata, le linyeoe tsa tšebeliso e ntle bakeng sa likhoele tse khaotsoeng le likhoele tse tsoelang pele. Qetellong, u tla ba le kutloisiso e hlakileng ea hore na ke mofuta ofe oa matlafatso o lumellanang le litlhoko tsa hau - hore na o mosebetsing oa ho etsa likoloi, oa sefofane, oa kaho kapa oa boenjiniere ba likepe.
1. Likhoele Tse Chesitsoeng le Likhoele Tse Tsoelang Pele ke Eng?
Likhoele Tse Khaotsoeng
Likhoele tse khaotsoengke likhoele tse khutšoane, tse sa bonahaleng (hangata bolelele ba 3mm ho isa ho 50mm) tse entsoeng ka khalase, k'habone kapa lisebelisoa tse ling tse matlafatsang. Li qhalakanngoa ka mokhoa o sa reroang ka har'a matrix (joalo ka resin) ho fana ka matla, ho satalla, le ho hanyetsa phello.
Tšebeliso e Tloaelehileng:
Metsoako ea ho bopa maqephe (SMC)
Metsoako ea ho bopa ka bongata (BMC)
Ho bopa ka ente
Lisebelisoa tsa ho fafatsa
Tsoelehang Strands
Likhoele tse tsoelang peleke likhoele tse telele, tse sa robehang tse tsamaeang bolelele bohle ba karolo e entsoeng ka motsoako. Likhoele tsena li fana ka matla a phahameng a ho tiea le ho matlafatsa tataiso.
Tšebeliso e Tloaelehileng:
Mekhoa ea pultrusion
Ho tsoelipana ka likhoele
Li-laminate tsa sebopeho
Likarolo tsa sepakapaka tse sebetsang hantle haholo
2.Liphapang tsa bohlokoa lipakeng tsa likhoele tse khaotsoeng le tse tsoelang pele
Sebopeho | Likhoele Tse Khaotsoeng | Tsoelehang Strands |
Bolelele ba Fiber | Nakoana (3mm–50mm) | Nako e telele (e sa sitisoe) |
Matla | Isotropic (e lekana ka mahlakoreng 'ohle) | Anisotropic (e matla ho latela tataiso ea fiber) |
Mokhoa oa Tlhahiso | Ho bonolo ho e sebetsa ka ho bopa | E hloka mekhoa e khethehileng (mohlala, filament winding) |
Litšenyehelo | Tlase (lisebelisoa tse nyane) | E phahameng (ho lokisoa hantle ho hlokahala) |
Lisebelisoa | Likarolo tse se nang sebopeho, li-composites tse ngata | Likarolo tsa sebopeho sa matla a phahameng |
3. Melemo le Mefokolo
Li-strands tse khaotsoeng: Melemo le Mathata
✓ Melemo:
Ho bonolo ho sebetsana le eona - E ka kopanngoa ka ho toba ka li-resin.
Matlafatso a tšoanang - E fana ka matla ka nqa tsohle.
Ho boloka litšenyehelo - Ho fokotsa litšila le ho sebetsa habonolo.
E fapaneng - E sebelisoa ho SMC, BMC, le lits'ebetso tsa ho fafatsa.
✕ Cons:
Matla a tlase a matla ha a bapisoa le likhoele tse tsoelang pele.
Ha e loketse lits'ebetso tsa khatello e phahameng ea maikutlo (mohlala, mapheo a sefofane).
Tsoela Pele Strands: Pros & Cons
✓ Melemo:
Karolelano e phahameng ea matla ho boima - E loketse sebaka sa sefofane le likoloi.
Ho hanyetsa mokhathala ho molemo - Likhoele tse telele li aba khatello ea kelello ka katleho.
Mokhoa o ka tloahelehang - Lithapo li ka hokahanngoa bakeng sa matla a holimo.
✕ Cons:
Ho bitsa chelete e ngata - E hloka tlhahiso e nepahetseng.
Ts'ebetso e rarahaneng - E hloka lisebelisoa tse khethehileng joalo ka li-filament winders.
4. U Lokela ho Khetha Efe?
Nako ea ho Sebelisa Likhoele Tse Chesitsoeng:
✔ Bakeng sa merero e baballang litšenyehelo moo matla a phahameng a seng bohlokoa.
✔ Bakeng sa libopeho tse rarahaneng (mohlala, liphanele tsa likoloi, thepa ea bareki).
✔ Ha matla a isotropic (a lekanang ka nqa tsohle) a hlokahala.
Nako ea ho Sebelisa Mehala e Tsoelang Pele:
✔ Bakeng sa lits'ebetso tse sebetsang hantle haholo (mohlala, lifofane, mahare a turbine ea moea).
✔ Ha ho hlokahala matla a tsela (mohlala, lijana tsa khatello).
✔ Bakeng sa ho tšoarella ha nako e telele tlas'a meroalo ea cyclic.
5. Mekhoa ea Indasteri le Pono ea Bokamoso
Tlhokahalo ea thepa e bobebe, e matla haholo e ntse e hola, haholo likoloing tsa motlakase (EVs), sefofane le matla a ka nchafatsoang.
Likhoele tse khaotsoengba bona tsoelo-pele ea thepa e sebelisoang hape le li-resin tse thehiloeng ho bio bakeng sa ts'ebetso.
Likhoele tse tsoelang peleli ntse li ntlafatsoa bakeng sa ho beha fiber e ikemetseng (AFP) le khatiso ea 3D.
Litsebi li bolela esale pele hore metsoako e nyalisitsoeng (e kopanyang likhoele tse chohiloeng le tse tsoelang pele) e tla tsebahala haholo bakeng sa ho leka-lekanya litšenyehelo le ts'ebetso.
Qetello
Ka bobelilikhoele tse khaotsoeng'me likhoele tse tsoelang pele li na le sebaka sa tsona tlhahisong e kopaneng. Khetho e nepahetseng e itšetlehile ka tekanyetso ea morero oa hau, litlhoko tsa ts'ebetso le ts'ebetso ea tlhahiso.
Khethalikhoele tse khaotsoengbakeng sa theko e tlaase, matlafatso ea isotropic.
Khetha likhoele tse sa khaotseng ha matla a holimo le ho tšoarella li le bohlokoa.
Ka ho utloisisa liphapang tsena, baenjiniere le bahlahisi ba ka etsa khetho e bohlale ea thepa, ba ntlafatsa ts'ebetso ea sehlahisoa le ho sebetsa hantle ha litšenyehelo.
Nako ea poso: May-22-2025