Menene samfuran ƙarfe na Foda?

Foda karfe kayayyakin ɓangarorin da aka ƙera su ta hanyar hanyar ƙarfe ta foda tare da takamaiman girman girman kuma za su iya jure jurewa, matsawa, murdiya da sauran lodi ko aiki a ƙarƙashin yanayin saɓani da lalacewa, wanda kuma aka sani da sassan da aka lalata.

Hanyoyi: Samfurin kuma daga bayasassan sassaan matse su a cikin uniaxial m mutu a zafin jiki.

Aikace-aikace: Foda karfe sassa ana amfani da yafi a cikin mota masana'antu, kuma suna da mafi aikace-aikace a nan gaba.

A abũbuwan amfãni daga foda metallurgy sassa

• Lokacin da sassan suna da sifofi marasa daidaituwa, masu fitowa ko ramuka, da ramuka daban-daban na musamman, foda karfe yana da sauƙin ƙera, kuma babu buƙata ko kaɗan kawai na ƙarin yankan. Yana da tattalin arziki bayyananne.

• Lokacin amfani da tsarin ƙarfe na foda don samar da sassa na inji, ƙimar amfani da kayan zai iya kaiwa fiye da 99.5%.

• Domin ana samar da sassan aikin ƙarfe na foda tare da gyare-gyare, daidaiton ƙayyadaddun ƙayyadaddun, siffar da girman sassan yana da kyau sosai, kuma akwai sauye-sauye masu yawa a cikin dukkanin kayan aiki na inji, yana da wuya a kula da daidaito.

• Tsarin ƙarfe na foda zai iya haɗa sassa da yawa a cikin tsarin masana'antu, wanda zai iya adana farashin sarrafawa da haɗuwa.

• Matsakaicin nau'ikan nau'ikan tsarin foda yana da iko, yana da adadin adadin pores da aka haɗa, kuma gabaɗaya ana shayar da shi tare da 5% -20% mai mai don samar da wani nau'i na lubrication na kai, don haka inganta juriya.

• A cikin samar da ƙarfe na foda, don sauƙaƙe cire sassa daga mutu bayan an kafa shi, aikin aikin mutun yana da babban ƙarewa, don haka sassan suna da ƙarewar haɓaka haɓaka. Bugu da kari, foda metallurgy tsarin sassa na iya zama electroplating, shafi, zafi magani da sauran m jiyya kamar inji sassa.

Lalacewa: Saboda kasancewar rafukan rafukan, ductility da ƙimar tasirin sa sun yi ƙasa da na simintin gyare-gyare masu nau'in sinadarai iri ɗaya, don haka yana iyakance iyakar aikace-aikacensa.

foda karfe sassa

Powder karfe zane jagora

The foda metallurgy tsari na iya samar da sassa a cikin nau'i-nau'i masu yawa da siffofi, kuma matsakaicin girman sassan da za a iya samarwa ya dogara da damar da ake samu.

Siffa mafi sauƙi don yin ta hanyar aikin ƙarfe na foda shine wanda yake da girman iri ɗaya a cikin hanyar latsawa. Sassan da ke da ramuka a cikin latsawa gabaɗaya ana yin su tare da mandrel. Maɓallai da maɓallai waɗanda ke cikin hanyar latsawa suna da sauƙin latsawa, kuma siffa irin su ramuka, ramuka, mazugi, kusurwoyi masu maƙarƙashiya da zaren a kusurwa zuwa alƙawarin latsawa ba za a iya danna su ta hanyar tsarin aikin ƙarfe na gama gari ba. Duk da haka, tare da tsarin da ya fi rikitarwa na mold za a iya samar da sassan siffar da ya fi rikitarwa. Hakan ya kara tsada.

Gears, ratsi da cams

Gears, rattchets da kyamarorin sun dace musamman don samarwa ta hanyar matakan ƙarfe na foda.

Amfanin samar da ƙarfe na foda:

① Matsakaicin daidaito na kayan aiki a cikin samar da yawa shine uniform.

② Saboda ƙungiyar kayan tana ƙunshe da wani ɗan ƙaramin ƙarfi, yana taimakawa kayan aiki don yin aiki yadda yakamata kuma yana iya zama mai mai da kansa.

③ Powder metallurgy gear tare da makafi Angle za a iya yi.

Za a iya haɗa kayan aiki da sauran sassan sifofi ta hanyar tsarin ƙarfe na foda.

⑤ Zai iya samar da nau'ikan kaya iri-iri.

⑥ Sauƙaƙan samarwa da ƙarancin farashi.

Foda karafa tolerances

Girman haɓakawa tsakanin sassan ƙarfe na foda yana faruwa ne ta hanyar canjin matsa lamba.

Dangane da matsa lamba iri ɗaya, juzu'i na roba mai tsayi na mutun naushi ya fi girma da haɓakar elastic na matsi mara kyau, don haka juriyar juzu'i a cikin latsawa ya fi girma fiye da wancan a madaidaiciyar latsawa.

Alakar injina:

△ naushi / △ mutu = 3L/D

D yana wakiltar matsakaicin girman radial na rami mara kyau.

L yana wakiltar jimlar tsayin naushi mutu.

Yadda za a rage juriyar juriya?

Za'a iya inganta juzu'in juzu'i na ɓangaren ta hanyar gamawa, wanda shine sanya ɓangaren sintered a cikin mutuƙar mara kyau kuma a danna shi tare da kashe naushi, wato, don sake danna shi a cikin mutuwar ƙarewa. Babban makasudin kammalawa shine don gyara ɓarnar da ke haifar da sintiri.

Machiningna foda karfe sassa

Babban manufar yin amfani da foda metallurgy sassa ne don cimma m yankan, babu yankan aiki, makamashi ceto, kayan ceto, rage samar da farashin sassa. Foda karfe sassa ba su da sauki a yanka kamar yadda daidai na al'ada karfe sassa. Saboda aikin yankewa na tsaka-tsakin da aka haifar da pores a cikin tsarin kayan aiki, rayuwar kayan aiki yana da gajeren lokaci kuma yanayin da ke cikin ɓangaren ba shi da kyau.

Matsayin ƙayyadaddun kayan aikin ƙarfe na foda: ƙayyade machinability ta hanyar auna adadin ramukan da za a iya hakowa. An ƙayyade ƙimar karfe 1045 don zama 100, kuma ana iya ƙayyade ƙimar machinability ta wannan dabarar.

Machinability rating = adadin ramukan da aka haƙa a cikin sintering / adadin ramukan da aka haƙa a cikin 1045 karfe × 100

Mn, P, S da sauran additives ana ƙara su zuwa kayan don inganta kayan aikin kayan ƙarfe na foda. Hakanan za'a iya inganta kaddarorin kaddarorin foda na ƙarfe na ƙarfe ta hanyar zaɓin kayan aikin yankan carbide yadda yakamata da lissafin kayan aikin.

Tasirin abu mai yawa a kan foda karfe sassa

A cikin samar da foda metallurgy sassa na tsarin, repressing da sakandare sintering sau da yawa ana amfani da su inganta da yawa yawa daga cikin sassa, da kuma tsarin sassa ana samar bisa ga.hanyar da ake bi na latsa -- firamare na farko -- repressing -- secondary sintering.Za'a iya ƙara yawan adadin sassan zuwa kusan95%na na baƙin ƙarfe na yau da kullun ta hanyar sake dannawa, ƙaddamarwa na biyu da dannawa mai dumi.

Damuwa yana kama da ƙarewa, mafi girman matsa lamba da ake amfani da shi a lokacin dannewa shine kawai don ƙara yawan yawan ɓangaren ɓangaren, kuma ƙaddamarwa na biyu yana nufin sake-sintering bayan dannewa. Ƙarfi da ƙarfin sassa na tsarin za a iya inganta saboda babban nauyin kayan aiki na sassa na tsarin bayan sake dannawa da na biyu.

Tsarin Karfe Foda

Abubuwan sinadaran da kayan aikin injiniya

The foda metallurgy sassa samar da janar latsawa da sintering tsari ne porous, kuma injiniyoyin Properties sun yi ƙasa da na m karfe kayan da iri daya sinadaran samar da na al'ada hanyoyin. Domin inganta inji Properties na foda metallurgy tsarin sassa:

Yanzu daalbarkatun kasa fodatare da alloying abubuwa ne: baƙin ƙarfe foda, jan karfe foda da graphite foda gauraye foda, baƙin ƙarfe foda, nickel foda, graphite foda gauraye foda, baƙin ƙarfe foda, phosphorus iron foda gauraye foda, diffusion alloyed foda, to gami karfe foda da bakin karfe foda.

Hanyoyin samarwa da ake amfani da su sune: latsawa - sintering, dannawa - pre-sintering - repressing - sintering, zafi mai zafi - ƙwanƙwasa, zafi mai zafi, ƙirƙira mai zafi da sauransu.

Ci gaba Trend na foda metallurgy sassa

Hanyoyin haɓaka irin waɗannan kayan shine don rage ko kawar da ragowar pores a cikin kayan, da haɓaka kayan da aka yi da ƙarfe tare da chromium, manganese, titanium, silicon da sauran abubuwa don inganta kayan aikin injiniya na kayan da fadada filin aikace-aikacen.

Jiehuangsanannen kamfanin kayayyakin karafa ne a kasar Sin, ana siyar da kayayyakin Jiehuang ga dukkan kasashen duniya, musamman ga Italiya, da Poland, da Denmark, da Amurka, da Burtaniya da sauran kasashe,da fatan za a aika da zane-zanenku, za mu ba ka amsa nan da nan!