Umgubo weMetallurgy
Zeziphi iimveliso zesinyithi sePowder?
Iimveliso zesinyithi somgubo ngamalungu e-sintered enziwe ngomgubo wemetalurgy indlela yokuchaneka komgangatho othile kwaye anokumelana nokuqina, ukucinezelwa, ukugqwetheka kunye neminye imithwalo okanye ukusebenza phantsi kongquzulwano kunye neemeko zokunxiba, ezikwaziwa ngokuba ziindawo ezisiyiweyo.
Iimethodi: Ibunjwe kwaye emva kokoiindawo sinteredzazicinezelwe kwi-uniaxial rigid die kwiqondo lobushushu begumbi.
Isicelo: Amalungu e-metallurgy ye-powder asetyenziswa kakhulu kwishishini leemoto, kwaye anezicelo ezingcono kwixesha elizayo.
Iingenelo zamalungu e-powder metallurgy
- Xa amalungu anemilo engaqhelekanga, ephumayo okanye imingxuma, kunye nemingxuma eyahlukeneyo emilo ekhethekileyo, isinyithi somgubo kulula ukwenza, kwaye akukho mfuneko okanye isixa esincinci sokusika okongeziweyo. Inoqoqosho olucacileyo.
- Xa usebenzisa inkqubo yesinyithi somgubo ukuvelisa iinxalenye zoomatshini, izinga lokusetyenziswa kwezinto eziphathekayo linokufikelela ngaphezu kwe-99.5%.
- Ngenxa yokuba iinxalenye zenkqubo ye-metallurgy ye-powder ziveliswa ngokubumba, ukuhambelana kwenkcazo, imilo kunye nobukhulu beengxenye zihle kakhulu, kwaye kukho izinto ezininzi eziguquguqukayo kuzo zonke iinkalo zokulungiswa komatshini, kunzima ukugcina ukuhambelana.
- Inkqubo ye-metallurgy yomgubo inokudibanisa iindawo ezininzi kwinkqubo yokuvelisa, enokuthi igcine iindleko zokusetyenzwa kunye nendibano kamva.
- Ubuninzi bezinto eziphathekayo zamacandelo esakhiwo somgubo buyalawuleka, bunomlinganiselo othile we-pores edibeneyo, kwaye ngokubanzi ixutywe nge-5% -20% yeoli yokuthambisa ukubonelela ngeqondo elithile lokuzithambisa, ngaloo ndlela kuphuculwe ukuxhathisa ukunxiba.
- Kwimveliso ye-powder metallurgy, ukwenzela ukuba kube lula ukukhutshwa kweengxenye kwi-die emva kokubunjwa, indawo yokusebenza ye-fair inesiphelo esiphezulu, ukwenzela ukuba iindawo zibe ne-modulation ye-amplitude. Ukongeza, iinxalenye zesakhiwo sesinyithi somgubo zinokuba yi-electroplating, i-coating, unyango lobushushu kunye nolunye unyango olulandelayo olufana namalungu oomatshini.
Ukungalungi: Ngenxa yobukho bemibhobho eshiyekileyo, i-ductility yayo kunye nexabiso leempembelelo lingaphantsi kunelo lokusabisa kunye nokwakheka kweekhemikhali ezifanayo, ngaloo ndlela kunciphisa usetyenziso lwayo.
iindawo zesinyithi somgubo
Isikhokelo soyilo lwesinyithi somgubo
Inkqubo yomgubo wesinyithi inokuvelisa iinxalenye kuluhlu olubanzi lobukhulu kunye neemilo, kwaye ubukhulu becala lamalungu anokuveliswa buxhomekeke kumthamo okhoyo wokushicilela.
Eyona nxalenye ilula ukumila ngenkqubo yemetalurgy yomgubo yile inobukhulu obufanayo kwicala elicinezelayo. Izahlulo ezinemingxuma kwicala elicinezelayo zisenziwa ngokubanzi kunye ne-mandrel. Izitshixo kunye neendlela ezingundoqo ezibekwe kwicala elicinezelayo kulula ukuzicofa, kunye neempawu zemilo ezinjengeegrooves, imingxuma, iicones, i-concave angles kunye neentambo kwi-Angle ukuya kwicala elicinezelayo ayinakucinezelwa ngeenkqubo ze-metallurgy ngokubanzi. Nangona kunjalo, ngolwakhiwo oluntsonkothileyo lokungunda lunokwakheka iinxalenye zemilo entsonkothileyo. Oko kongeze iindleko.
Iigiya, iiratchets kunye neecams
Iigiya, iiratchets kunye neecams zifaneleke ngakumbi ukuveliswa ngenkqubo yesinyithi somgubo.
Izinto eziluncedo kwimveliso yemetalurgy yomgubo:
① Ukuchaneka komda kwezixhobo kwimveliso yobuninzi kuyafana.
② Ngenxa yokuba umbutho wezinto eziphathekayo uqulethe i-porosity ethile, inceda igiya ukuba iqhube kakuhle kwaye inokuzithambisa.
③ Isixhobo sesinyithi somgubo esineAngile engaboniyo inokwenziwa.
Isixhobo kunye nezinye iinxalenye zemilo zinokudityaniswa ngenkqubo yesinyithi somgubo.
⑤ Inokuvelisa iimilo ezahlukeneyo zezixhobo.
⑥ Imveliso elula kunye neendleko eziphantsi.
Ukunyamezela i-powder metallurgy
Ukuguquguquka kobungakanani phakathi kwamalungu esinyithi somgubo kubangelwa ikakhulu kukutshintsha koxinzelelo loxinzelelo.
Ngokujonga uxinzelelo olufanayo loxinzelelo, i-longitudinal elastic deflection ye-die punch inkulu kunokwandiswa kwe-elastic ye-negative die, ngoko ke ukunyamezela kwedimensional kwicala locinezelo kukhulu kunoko kwicala lokucinezela ngokuthe nkqo.
Ubudlelwane boomatshini:
△ ipunch / △ idayizi = 3L/D
D imele iavareji yobungakanani beradial yomgodi wemodeli engalunganga.
L imele ubude obupheleleyo be-die punch.
Indlela yokunciphisa ukunyamezela kwe-dimensional?
Ukunyamezela kwe-dimensional yecandelo kunokuphuculwa ngokugqitywa, oko kukuthi, ukubeka inxalenye ye-sintered kwi-negative die kwaye uyicinezele nge-die punching, oko kukuthi, ukuyicinezela kwakhona kwi-difa yokugqiba. Injongo ephambili yokugqiba kukulungisa ukugqwetha okubangelwa yi-sintering.
Umatshiniyamalungu omgubo wesinyithi
Eyona njongo iphambili yokusebenzisa i-powder metallurgy parts kukuphumeza ukusika okuncinci, akukho kulungiswa kokusika, ukugcinwa kwamandla, ukugcinwa kwezinto eziphathekayo, ukunciphisa iindleko zemveliso yamacandelo. Amalungu e-metallurgy ye-powder ayilula ukusika njengeendawo zentsimbi eziqhelekileyo ezihambelanayo. Ngenxa yesenzo sokusika esiphakathi esibangelwa yi-pores kwisakhiwo sezinto eziphathekayo, ubomi besixhobo bufutshane kunye nobunzima bobuso becala buhlwempu.
Umgangatho wokumisela i-machinability ye-powder metallurgy: misela i-machinability ngokulinganisa inani lemingxuma enokuthi iqhutywe. Ixabiso lentsimbi ye-1045 lichazwe ukuba libe yi-100, kwaye ukulinganiswa kwe-machinability kunokumiselwa ngolu hlobo lulandelayo.
Ukulinganiswa kobuchule = inani lemingxuma egrunjiweyo kwi-sintering / inani lemingxuma egrunjiweyo kwi-1045 yentsimbi × 100
I-Mn, P, S kunye nezinye izongezo zongezwa kwizinto zokuphucula i-machinability ye-powder metallurgy parts. Iimpawu zokusika izinto ze-powder metallurgy nazo zingaphuculwa ngokukhetha ngokufanelekileyo izixhobo zokusika i-carbide kunye nejometri yezixhobo.
Isiphumo soxinaniso lwemathiriyeli kumalungu omgubo wesinyithi
Kwimveliso ye powder metallurgy structural parts, repressing and second sintering are often used to improve the material density of the parts, kwaye iinxalenye zesakhiwo ziveliswa ngokutsho.indlela yenkqubo yocinezelo -- primary sintering -- repressing -- secondary sintering.Ubuninzi bezinto eziphathekayo zamalungu zinokunyuswa ukuya malunga95%yeyo yentsimbi eqhelekileyo ngokucinezela kwakhona, sintering yesibini kunye noxinzelelo olufudumeleyo.
Ukunyanzeliswa kufana nokugqiba, uxinzelelo oluphezulu olusetyenzisiweyo ngexesha lokunyanzeliswa kukunyusa kuphela ubuninzi becandelo, kwaye i-second sintering ibhekisela ekubuyiseleni kwakhona emva kokunyanzeliswa. Amandla kunye nokuqina kweengxenye zesakhiwo kunokuphuculwa ngenxa yobuninzi bezinto eziphathekayo kwiindawo zesakhiwo emva kokucofa kwakhona kunye ne-second sintering.
Inkqubo yePowder Metallurgy
Ukubunjwa kweekhemikhali kunye neempawu zoomatshini
Amalungu esinyithi enziwe ngomgubo oveliswa yinkqubo yokucinezela kunye ne-sintering ngokubanzi, kwaye iipropathi zabo zomatshini ziphantsi kunezo zixhobo zetsimbi ezishinyeneyo ezinemichiza efanayo eveliswa ngeendlela eziqhelekileyo. Ukuze kuphuculwe iipropathi zoomatshini bomgubo we-metallurgy amalungu esakhiwo:
Ngoku keumgubo wezinto eziluhlazakunye nezinto ezixubeneyo zezi: umgubo wentsimbi, umgubo wobhedu kunye nomgubo wegraphite oxutyiweyo, umgubo wentsimbi, umgubo wenickel, umgubo wegraphite oxutywe ngumgubo, umgubo wentsimbi, umgubo wesinyithi wephosphorus oxutywe ngumgubo, idiffusion alloyed powder, umgubo wentsimbi edibeneyo kunye nomgubo wentsimbi.
| Uhlobo lwezinto eziphathekayo | Izinto eziqhelekileyo | Ezona mpawu | Usetyenziso |
|---|---|---|---|
| I-iron-based | Intsimbi, intsimbi ephantsi, insimbi engenasici | Amandla aphezulu, ukumelana nokunxiba | Amalungu Auto, oomatshini |
| Ubhedu-based | Ubhedu, ubhedu, ubhedu | I-conductivity elungileyo, i-corrosion-resistant | Amacandelo ombane, iibheringi |
| I-nickel-based | I-nickel, i-nickel alloys | Imelana nobushushu, imelana nomhlwa | I-Aerospace, iiinjini zomoya |
| I-Titanium-based | Titanium, titanium alloys | Amandla aphezulu, ukhaphukhaphu, ukumelana nomhlwa | Izixhobo zonyango, i-aerospace |
| Aluminiyam-based | I-aluminiyam, i-alloys ye-aluminiyam | Ikhaphukhaphu, kulula ukuyiqhuba | I-Electronics, iinxalenye zemoto |
| Ii-alloys ezinzima | I-tungsten carbide, i-titanium carbide | Ukuqina okuphezulu, ukumelana nokunxiba | Izixhobo zokusika, iimbumba |
| Izinto zemagneti | Ferrite, NdFeB | Imagnethi eyomeleleyo, ukumelana nobushushu | Iimotor, abenzi boluvo |
| I-alloys yobushushu obuphezulu | I-Nickel, i-alloys esekwe kwi-cobalt | Ukumelana nobushushu, ukumelana ne-oxidation | I-Aerospace, ukuveliswa kwamandla |
| Iimbumba | I-Metal-ceramic, i-metal-carbon fiber | Amandla aphezulu, alula | I-aerospace, iinxalenye zemoto |
Iinkqubo zemveliso ezisetyenzisiweyo zezi: ukucofa - ukucofa, ukucofa - ukucofa kwangaphambili - ukunyanzeliswa - ukucofa, ukucofa okufudumeleyo - ukucofa, ukucinezela okushushu, ukutshisa okutshisa njalo njalo.
Uphuhliso lwendlela yophuhliso lwamalungu omgubo wesinyithi
Umkhwa wokuphuhliswa kwezixhobo ezinjalo kukunciphisa okanye ukuphelisa ii-pores ezishiyekileyo ngaphakathi kwezinto, kunye nokuphuhlisa izinto ezisekelwe kwintsimbi ezixutywe nge-chromium, i-manganese, i-titanium, i-silicon kunye nezinye izinto zokuphucula iimpawu zomatshini kunye nokwandisa intsimi yesicelo.
Jiehuangyinkampani edumileyo yeemveliso zesinyithi e-China, iimveliso ze-Jiehuang zithengiswa kuwo onke amazwe ehlabathi, ngakumbi e-Itali, ePoland, eDenmark, e-USA, e-UK nakwamanye amazwe,nceda uthumele imizobo yakho, siya kukuphendula ngoko nangoko!
