Ungayisetha kanjani isango langaphakathi futhi uklame uhlelo lokuthulula i-apaile yensimbi emincane enezindawo eziningi ezishisayo ukuze uqinisekise ikhwalithi futhi uthuthukise isivuno?

Ezingxenyeni zensimbi ezi-nodular ze-cast ezinobukhulu obungajwayelekile kanye nama-node afudumele amaningi afudumele, ukukhethwa kwesikhundla sokuvula se-sprue kufanele kuhlanganiswe eduze nomgomo wokuqina (ukuqina okuqhubekayo), ukuze kulawulwe ukuqina kwe-shrinkage kanye nokuthuthukisa isivuno njengomgomo oyinhloko.

1, Design umbono umbono Igoli eliyisisekelo  

Izindlela ezibalulekile:

1. Isikhundla sesango elingaphakathi: Okubaluleke kakhulu kufanele kunikezwe ukuvula endaweni ye-Thinnest Wall (ezungeze i-4mm) noma isikhungo sejometri sokuphoqelela ukukhombisa okusheshayo nokugcwaliswa kwensimbi ebilisiwe. Isingeniso esisatshalaliswa: Kuhlelwe amasango amabili angaphakathi aphakathi nendawo, exhunywe ngokuqondile endaweni enodonga olubi ukugwema umthelela oqondile wezindawo ezishisayo (ngaphandle kwalokho ngeke kubhekane nezindawo ezishisayo ezishisayo (ngaphandle kwalokho kuzokhulisa ngokweqile indawo.

2. Amaphoyinti asemqoka wohlelo lokuthulula uhlelo: indawo ephambanisa nesigaba se-sprue kufanele ilawulwe ngaphakathi kwe-1.2-1,5 cm ², futhi izinga lokugeleza kwamanzi ensimbi kufanele lilawulwe ngaphakathi kwe-capity engu-0.8-1.2. Kusetshenziswe ngokubambisana ne-Cold Iron: Beka insimbi ebandayo yangaphandle (efana ne-graphite noma isihlabathi esicishiwe) endaweni ehlanganisiwe eshisayo eshisayo (indawo engama-20mm) ukusheshisa ukupholisa. Ubukhulu bensimbi ebandayo Ukubekwa kwensimbi ebandayo kufanele kunamathiselwe eduze komhlane wokuhlanganiswa okushisayo, futhi ngokuvamile ukugwema ukuvula indawo yokusebenza ukuze kuqinisekiswe ukuthi umphumela wokubabaza ufinyelela enkabeni yokuhlangana okushisayo. Faka i-Iron yensimbi yangaphakathi ngemuva kwamajoyinti ashisayo awodwa (impahla kanye nokuhlanganiswa kumele kulawulwe ngokuqinile).  

3. Lawula kahle insimu yokushisa yokuthulula. Amazinga okushisa athululwa kufanele alawulwe phakathi kwe-1390-1440 ℃ yokugcwaliswa okusheshayo, okuzuzisa izindawo ezidongeni elidongeni nezindawo ezibiyelwe ngodonga. I-Shrinkage kanye ne-CACAVITITITITITE kungenzeka ngenxa yokushisa okuphezulu, futhi iziphambeko zidinga ukugwenywa ngensimbi ebandayo nesikhuphukeli.

2, umklamo wokuvuselela wale nkampani ephonsa kanye nenkampani yokuphonsa kunqunyelwe ibhokisi lesihlabathi. I-Riser idinga ukwakheka njengemodyuli emnyama (ibalwa ekuphakameni kwamasentimitha ayi-10). Imodyuli yendawo eshisayo imayelana ne-12-15 mm. Ukubalwa kwethu kwe-Riser Module: Imodyuli ye-Riser kufanele ibe yizikhathi eziyi-1,2 ezinkulu kune-module yesimilo esishisayo sokuphonswa. 1.2x1.2 = 14.4 mm. I-Riser Design i-trapezoidal, futhi ubukhulu bokugcina bubanzi obubanzi obungu-80 mm, ububanzi obungenhla buka-60 mm, nokuphakama kwe-50 mm. Ngaphezu kwalokho, kunconywa ukuklama umgodi wokuphelelwa yisikhathi esingu-5mm ngaphezulu kwesibhamu ukuvikela ukumelana komoya ekuthinteni i-shrinkage.

3, izindlela zokuvimbela ezinye iziphene

1. Izindlela zokuvimbela izimbobo zomoya (ezibangelwa ukuxhumanisa okungafanele nge-riser / Cold Iron): Faka inaliti yokuphakamisa phezulu kwesikhunta esifihliwe (ukugwema ukucindezela emuva okubangelwa ukubamba umoya kanye nokuthinta i-shrinkage). Spray Alcohol zircon powder coating ebusweni bensimbi ebandayo (ukuvimbela ukuphoqelwa okusheshayo kwensimbi ebandayo kanye nesizukulwane se-vapor yamanzi). Lawula ukuqhubeka kokugeleza ngesikhathi sokuthulula ukugwema ukufakwa kwesiyaluyalu (kungasetshenziswa umjovo ongezansi wokusebenzisa kahle).  

2. Izihlungi ze-Ceramic (ngosayizi we-pore of 5-10mm) zifakwe empandeni yesivuphu sokuhlunga i-slag ifaka isiteshi se-shrinkage. Ngaphambi kokuthela, vumela i-Iron yensimbi ime okungenani imizuzu emi-3 ukuze iqinisekise ukuthi isilayidi siyantanta. 4, ukusebenza ngokubambisana kohlelo lwenqubo 1 indawo eqondile yesigaba se-Strue phakathi kohlelo lokuthulula kanye ne-riser yindawo engu-30mm ² × 2, bese kuthi i-riser riser ²). Ukwamukela i-Curve "ehamba kancane ehamba kancane" eshayayo: Ubulukhuni besihlabathi isikhunta bungama-85-90 (athambile kakhulu angadala ukufuduka kodonga futhi athinte indlela yokushiswa kwe-shrinkage).

Ekugcineni, kubalulekile ukuqaphela ukuthi kulawulwa kokuqukethwe kwe-magnesium okusele ngemuva kwe-spheroid Ngezinto ezincane ezinjengale, ama-magnesium asele akufanele adlule okujwayelekile futhi kufanele alawulwe ngo-0.04% noma ngaphezulu ngangokunokwenzeka.