Inqubo Yokusebenza kanye Nemininingwane Yobuchwepheshe yeumshini wokubumba we-sand casting
Ukulungiselela Isikhunta
Ingxubevange ye-aluminiyamu yezinga eliphezulu noma isikhunta sensimbi esiyi-ductile senziwa ngokunemba ngezinhlelo ze-CNC ze-axis engu-5, zithola ubulukhuni obungaphansi kuka-Ra 1.6μm. Idizayini yohlobo lokuhlukanisa ihlanganisa ama-engeli asalungiswa (imvamisa engu-1-3°) kanye nezibonelelo zomshini (0.5-2mm) ukuze kube lula ukudilizwa. Izicelo zezimboni zivame ukusebenzisa isikhunta esimbozwe ngezingqimba eziphikisayo ezisekelwe ku-zirconia ukuze kunwetshwe impilo yesevisi ibe ngaphezu kwemijikelezo engu-50,000.
Ukugcwaliswa kwesihlabathi nokubunjwa
Isihlabathi se-silica esihlanganiswe ngamakhemikhali (85-95% SiO₂) sixutshwe nobumba lwe-bentonite obungu-3-5% kanye namanzi angu-2-3% ukuze uthole amandla aluhlaza alungile. Imishini yokubumba engena-flaskless ezenzakalelayo isebenzisa i-0.7-1.2 MPa compaction pressure, ifinyelela ubulukhuni besikhunta obungu-85-95 esikalini se-B. Ngokusakazwa kwe-injini ye-block, ama-cores e-sodium silicate-CO₂ aqinile aneziteshi zokungenisa umoya afakwa ngaphambi kokuvalwa kwesikhunta.
Ukuhlanganiswa Kwesikhunta Nokulungiswa
Amasistimu ombono werobhothi aqondanisa amahhafu esikhunta ngaphakathi kokubekezelela okungu-±0.2mm, kuyilapho izikhonkwane zendawo ezungezile zigcina ukubhaliswa kwesistimu yokungena. Ama-C-clamp asebenza kanzima asebenzisa amandla okubamba angu-15-20kN, alekelelwa amabhulokhi esisindo ezikhunjini ezinkulu (>500kg). Ama-Foundries asebenzisa kakhulu ukukhiya i-electromagnetic ukukhiqiza ivolumu ephezulu.
Ukuthela
Iziko elilawulwa ngekhompuyutha le-tilt-pour ligcina ukushisa kwensimbi ku-50-80°C ngaphezu kwezinga lokushisa le-liquid. Amasistimu athuthukisiwe afaka izinzwa zeleveli ye-laser namasango okugeleza alawulwa yi-PID, afinyelela ukuzinza kwezinga lokuthulula ngaphakathi kuka-±2%. Kuma-alloys e-aluminium (A356-T6), isivinini esijwayelekile sokuthela sisukela ku-1-3 kg/sec ukuze kuncishiswe ukuxokozela.
Ukupholisa nokuqinisa
Isikhathi sokuqiniswa silandela umthetho we-Chvorinov (t = k·(V/A)²), lapho amanani e-k ehluka ukusuka ku-0.5 min/cm² ngezigaba ezizacile ukuya ku-2.5 min/cm² ngokulingisa okusindayo. Ukubekwa kwamaqhinga kwezinyusi ezishisayo (15-20% wevolumu yokusakaza) kunxephezela ukuncipha ezindaweni ezibucayi.
I-Shakeout & Cleaning
Amaconveyor adlidlizayo anesivinini esingu-5-10G ahlukanisa u-90% wesihlabathi ukuze athole kabusha ukushisa. Ukuhlanzwa kwezigaba eziningi kufaka phakathi izigubhu ezijikelezayo zokuchithwa kokuqala, okulandelwa ukuqhunyiswa kwe-robotic abrasive kusetshenziswa igrit yensimbi engu-0.3-0.6mm ku-60-80 psi.
Ukuhlola & Ngemva Kokucubungula
Imishini yokukala edidiyelwe (CMM) iqinisekisa ubukhulu obubalulekile kumazinga we-ISO 8062 CT8-10. I-X-ray tomography ithola ukukhubazeka kwangaphakathi kuze kufike ku-0.5mm ukulungiswa. Ukwelashwa kokushisa kwe-T6 kwe-aluminium kubandakanya ukuxazululwa ku-540°C±5°C okulandelwa ukuguga kokwenziwa.
Izinzuzo ezibalulekile:
Ukuguquguquka kwejiyomethri okuvumela izakhiwo ezingenalutho (isb., ama-impellers anogqinsi oluyi-0.5mm)
Ukuguquguquka kwezinto okuhlanganisa ama-alloys ayinsimbi (i-HT250 grey iron kuya ku-AZ91D magnesium)
40-60% wezindleko zamathuluzi eziphansi uma uqhathaniswa nokusakaza okufayo kwama-prototypes
Imikhawulo kanye nokunciphisa:
Amandla okusebenza ancishiswa ngamasistimu okuphatha isihlabathi azenzakalelayo
Ukulahlwa kwesikhunta kubhekwana namazinga okubuyiselwa kwesihlabathi angama-85-90%.
Imikhawulo yokuqedwa kobuso (Ra 12.5-25μm) inqotshwa ngokunemba kwemishini
I-Quanzhou Juneng Machinery Co., Ltd. iyingxenye ye-Shengda Machinery Co., Ltd. onguchwepheshe bemishini yokusakaza.Ibhizinisi le-R&D lobuchwepheshe obuphezulu osekunesikhathi lizibandakanyile ekuthuthukisweni nasekukhiqizeni izinto zokusebenza zokulingisa, imishini yokubumba ezenzakalelayo, kanye nemigqa yokuhlanganisa yokuphonsa.
Uma udingaumshini wokubumba we-sand casting, ungasithinta ngemininingwane yokuxhumana elandelayo:
Umphathi Wokuthengisa : zoe
E-mail : zoe@junengmachine.com
Ucingo: +86 13030998585
Isikhathi sokuthumela: Aug-28-2025