Umatshini wokubumba wenaliti usetyenziselwa ukubumba ngesitofu ngokungunda kwesinyithi, apho ukungunda kuthe kukho umngxuma obandakanya umngxuma wokungunda osezantsi kunye nokungunda okuphezulu, apho umjelo wenziwa kwindawo emiselwe kwangaphambili kumngxuma wokungunda ongezantsi kufutshane nendawo yokungena yokutofa intlaka etyhidiweyo (P) kumgodi. Ukuvuleka kwemijelo kugqunywe ngokupheleleyo, okwenza umjelo wokupholisa ophakathi ukuze indawo yokupholisa (umz. umoya opholileyo) ifakwe kwindawo yokungena, iqukuqele kwimijelo kwaye ikhutshwe kwindawo yokuphuma. Iimbumba ezisezantsi neziphezulu zenziwe nge-aluminiyam okanye i-aluminium alloy. Iindawo ezikhethiweyo zombhobho, ezidibana ngokuthe ngqo ne-resin etyhidiweyo, zixutywe ngesanti okanye ziphathwe ngamakhemikhali ukuze zenze ama-bumps amancinci.
I-Metal Powder Injection Molding (MIM) bubuchwephesha obutsha besinyithi somgubo obukufutshane ne-net-shape technology obuzisa ukubumba inaliti yeplastiki yangoku ibe yisinyithi somgubo.
Ukungunda kwesinyithi kuboniswe ngezantsi:
Inkqubo imi ngolu hlobo lulandelayo: Ekuqaleni, umgubo oqinileyo kunye ne-organic binder zixutywa ngokufanayo, kwaye emva koko zifakwe kumgodi wokungunda ngomatshini wokubumba ngenaliti phantsi kwemeko yeplastiki eshushu (~ 150 ℃), emva koko isibophelelo esikwindawo engenanto yokwenza sisuswe ngemichiza okanye indlela yokubola kwe-thermal, kwaye ekugqibeleni imveliso yokugqibela ifunyenwe ngokucofa kunye nokuxinana. Inkqubo: isibophelelo → ukuxuba → ukwenza isitofu → ukukhupha igrisi → sintering → emva konyango.
Isitofu sokungunda sisixhobo sokwenziwa kweemveliso zeplastiki kwaye sisiqinisekiso sesakhiwo sabo esipheleleyo kunye nemilinganiselo echanekileyo. Isitofu sokubumba yindlela yokucubungula esetyenziswa kwimveliso yobuninzi yamacandelo athile anzima. Ngokukodwa ibhekiselele kwisitofu sezinto ezinyibilikiswe ngubushushu (ngoxinzelelo oluphezulu kumgodi wokungunda, emva kokupholisa kunye nokunyanga, ukufumana imveliso eyenziweyo. Ukusetyenziswa komatshini wokutofa umgubo wesinyithi wesixhobo sokubumba ubuchwephesha besitofu sesinyithi. Kukho nezixhobo eziye zahluka. Inkqubo yokuhamba kwebhinder yezinto ezikrwada ukomiswa - kwi-hopper - isitofu sokubumba - imbaleki ebandayo (imbaleki eshushu) - unyango olukrwada.
Umnikeli: Alisa