1. Ngo ma obedo casting
Gin ma ki lwongo ni liquid metal ni ki keto i kin jami ma ki yubu ma rwate ki gin ni, ki ingeye ma dong odoko tek, gin ma ki yubu ki gin moni ma tye ki kit mo, dit ki rwom me kome ki nongo, ma ki lwongo ni casting. Jami adek ma pire tek: gin ma ki rubu, yubu, cwalo ki dongo. Adwogi maber loyo: jami ma rwate twero bedo ma ki yubu.
2. Dongo pa jami ma ki lwongo ni casting
Yub ocakke i mwaka 1930 kun kitiyo ki jami ma tiyo ki yamo ki jami ma ki yubu ki ngom.
Gin ma ki lwongo ni cement sand type onyute i mwaka 1933
I mwaka 1944, gin ma ki lwongo ni cold hard coated resin sand shell type onen
CO2 ma ki yubu ki pii ma ki lwongo ni glass sand mold onyute i mwaka 1947
I mwaka 1955, gin ma ki lwongo ni thermal coating resin sand shell type onyute
I mwaka 1958, gin ma ki lwongo ni furan resin no-bake sand mold onyute
I mwaka 1967, gin ma ki lwongo ni cement flow sand mold onen
I mwaka 1968, kikopo me pii ki jami ma miyo teko me kom obino
I mwaka 50 mukato angec, yoo manyen me yubu jami ma ki lwongo ni casting molds ki jami ma nen, ma calo: magnetic pellet molding, vacuum sealing molding method, lost foam molding, ki mukene. Yo me yubu jami mapol ma jenge i kom jami ma ki yubu ki nyonyo. Ma calo centrifugal casting, high pressure casting, low pressure casting, liquid extrusion, ki mukene.
3. Kit ma ki yubu kwede
A. Kit me loko jami ki loko jami. Jami ma ki yubu ki nyonyo weny. Casting pe ki gengo ki pek, dit ki kit ma gin moni nen kwede. Pek ne twero bedo ki gram manok nio wa i ton miya mapol, pek pa cel twero bedo ki 0.3mm nio wa i 1m, ki kit ma nen kwede twero bedo jami ma rwate.
B. Pol pa jami ma ki tiyo kwede ma ki tiyo kwede ki jami ma ki tiyo kwede ma ki nongo ki i kabedo mapol ki wel ne yot, ma calo nyonyo ki kweyo.
C. Castings twero medo rwom me rwom ki rwom me kom pa castings kun tiyo ki diro me casting ma malo, wek jami ni ki twero ngolo manok ki labongo ngolo.
Cawa me cwalo: Aug-11-2022
