Say materyales et manunan cast steel: lapud atagey so biskeg tan maong ya inka-tough to, matukoy itan ed saray kondisyon na atagey ya impact load; Balet, kaukolan ya imanoen iray angkakabaleg ya kontraksyon, mainomay ya nawalaan na pores tan pan-shrinkage.
Say istruktura et kaukolan ya mibagay ed proseso na panag-cast:
Parepareho so kapal na dingding pian napaliisan so biglan panguman tan naprebentaan so thermal cracking tan shrinkage;
Iyan so riser tan cold iron pian naabot so mantutumbokan ya solidification;
Say direksion na molde et nepeg ya aka-slope (kaslakan et kulang odino mipara ed 3 degree).
Saray kaslakan a depekto tan ebat
Saray kaslakan ya depekto: inka-porosity, shrinkage, inka-loose, cracks (lalo la no biglan manguman so seksion).
Design Contrameasures:
Bawasan so hot nodes tan paaligwasen so layout na saray ribs;
Say abot odino medyo makapal ya istruktura et uusaren parad makapal iran parte;
Say pressure-bearing part (singa say mounting surface na hydraulic cylinder) et kaukolan ya seguroen ya ag-onloob so dagem.
