
baashpeekarana-paatten casting

urukia loham moulding arayilekku ozhikkumbol baashpeekarikkappedunna oru meteeriyalil ninnu nirmmicha oru paatten upayogikkunna oru tharam casting prakriyayaan baashpeekarana-paatten casting. polystyrine nurayaan ettavum saadhaaranamaaya baashpeekarana-paatten metteeriyal.
rund pradhana baashpeekarana-paatten casting prakriyakal ivayaanu
pradhana vyathyasam, nashtappetta-nura casting oru bandhamillaattha manal upayogikkunnu, poornna-pooppal casting oru bandhita manal (allengil pacha manal) upayogikkunnu ennathaanu. eee vyathyasam valare cheruthaanu ennathinaal padaavaliyil valareyadhikam ovarlaappu undu. eee prakriyakale vivarikkan upayogichirikkunna udamasthathayillaatha padangalil iva ulppedunnu arakalillaatha casting, baashpeekarana nura casting, nura neeravi casting, nashtappetta paatten casting, kaastral prakriya, vipuleekaricha polystyrine moulding. udamasthaavakaasha padangalil stairo-kaast, phoom kaast, replicast, polikkaast enniva ulppedunnu. koodaathe nashtappetta nura sintar shell (ell. eph. ezz. ezz)
charithram.
1956 eprilil harrold eph aanu baashpeekarana-paatten casting prakriyaykkulla aadya pettant phayal cheythath. shroyer. loha kaasttinginaayi parambaraagatha pacha manalil ulchertha nurayude paattenukalude upayogathinu addeham pettant nedi. addehathinte pettantil, vipuleekaricha polystyrene (iii. pii. ezz) blockil ninnu oru paatten mesheen cheyyukayum ozhikkumbol boond cheytha manal pinthunaykkukayum cheythu. eee prakriya ippol poornna pooppal prakriya ennariyappedunnu.
1964ll emm.sii. eee prakriyaykkayi flemmingukal bandhamillaattha manal upayogichu. alabaamayile alexander sittiyile robinson foundariyaayirunnu baashpeekarana-paatten casting upayogicha aadyathe vadakke american foundri. eee prakriyakal upayogikkunna general motorukalude aadya uthppannam 1981 ll newyorkkile maasenayil nirmmicha 4.3 littar, vii-6 deesal silindar hedaayirunnu.
1997-ll nadanna oru padanatthil amerikkayil ekadesham 140,000 tonn aluminium casting baashpeekarana-paatten casting prakriyakalaanennu kandethi. 2010 aakumbozhekkum aluminiyathinte 29 sathamaanavum ferres casting vipanikalude 14 sathamaanavum baashpeekarana-paatten casting prakriyakalaayirikkumennu ithe sarway pravachikkunnu.

