Menene MIM binder?

Zaɓin kayan aikin ƙarfe na foda,karfe foda allura fasaharshine samfurin haɗin kai da haɗin gwiwar fasahar gyare-gyaren filastik, kimiyyar sinadarai na polymer, fasahar ƙarfe ta foda da kimiyyar kayan ƙarfe. Ana iya amfani da ƙirar don yin allura da babur kuma a wuce ta Sintering na iya samar da ɗimbin yawa da sauri, madaidaici, sassa uku masu hadaddun sifofi. Yana iya sauri da daidai daidaita ra'ayoyin ƙira cikin samfura tare da wasu halaye na tsari da aiki, kuma yana iya samar da sassa kai tsaye. Wani sabon canji ne a masana'antar fasahar kere kere.

Fasalolin tsari:

Wannan tsari fasahar ba kawai yana da abũbuwan amfãni daga na al'ada foda metallurgy matakai irin su m matakai, babu ko žasa yankan, da kuma high tattalin arziki amfanin, amma kuma shawo kan shortcomings na gargajiyafoda karfe kayayyakinkamar kayan aiki marasa daidaituwa, ƙananan kaddarorin inji, da wahala wajen ƙirƙirar bangon bakin ciki da sarƙaƙƙiya. Ya dace musamman don samar da taro na ƙananan, hadaddun da sassa na ƙarfe na musamman. Gudun tsari: ɗaure → hadawa → gyare-gyaren allura → ragewa → sintering → post-processing.

Foda karfe foda:

Girman barbashi na foda na karfe da aka yi amfani da su a cikinTsarin MIMyawanci 0.5 ~ 20μm; bisa ka'ida, mafi kyawun barbashi, mafi girman yanki na musamman, yana sa ya fi sauƙi don siffa da sintiri. A gargajiya foda metallurgy tsari yana amfani da coarser powders girma fiye da 40μm.

A themetal allura gyare-gyaren MIM, da ɗaure taka muhimmiyar rawa, shi kai tsaye rinjayar da hadawa, allura gyare-gyaren, degreasing da sauran matakai, da kuma yana da babban tasiri a kan ingancin, degreasing da girma daidaito na karfe foda gyare-gyaren gyare-gyaren blank, gami abun da ke ciki, da dai sauransu Its rawa ne zuwa bond da karfe foda barbashi, sabõda haka, a cikin cakuda da ganga ne heated a cikin wani nau'i na allura. ya zama mai ɗaukar hoto don fitar da foda. Sabili da haka, zaɓin ɗaure shine mabuɗin don ƙirƙirar allurar foda duka. Abubuwan buƙatu don ɗaure:

• ƙananan adadin, wato, don tabbatar da cewa cakuda yana da mafi kyawun rheology yayin amfani da ɗan ƙarami kamar yadda zai yiwu;
• Babu amsa, watau babu wani sinadarin sinadaran da foda na karfe;
• Sauƙi don cirewa, babu saura a cikin samfurin.

Ruhin mai ɗaure foda na ƙarfe na ƙarfe na MIM, ƙari da cire shi shine mabuɗin fasaha na MIM, kuma tsarin lalata da aka yi amfani da shi a cikin tsarin ɗaure shine babban batun bincike a gida da waje. Abubuwan da aka yi amfani da su a cikin MIM sun haɗa da tsarin thermoplastic, tsarin thermoset, tsarin ruwa mai narkewa, tsarin gel da tsarin na musamman, kowannensu yana da nasa amfani da rashin amfani. Thermoplastic binder tsarin shi ne na al'ada da precursor na MIM daure, da kuma mutane mayar da hankali a kan inganta rheological Properties na ciyar da hatsi, da yawa bincike da aka gudanar don rage rage rage nakasawa da kuma rage rage lokaci, da kuma wasu na musamman jamiái ciki har da polyacetal binders an ɓullo da.Na musamman tsarin ya ba da damar ci gaba da ci gaban thermoplastic binder tsarin. Amma bincike da ci gaban binders sun rasa tare da foda
Dangantaka, hadawa da foda da binders, rheological da thermodynamic kaddarorin masu binders da ciyarwa a ƙarƙashin yanayi daban-daban, Tasirin masu binders akan lalatawa da kaddarorin samfur suna ba da ka'idodin duniya da ka'idodin ka'idoji don zaɓin masu ɗaure, wanda babu shakka na musamman Yana da ma'ana mai kyau. Haɓaka sabon tsarin ɗaure mai inganci kuma shine abin da aka mayar da hankali kanFasahar MIM.