PMC4414386_01
PMC4414386_02
Pouring molten metal into a molding frame.
(A) Setting of the molding frame by the assistant operator. (B) Pouring the molten metal into the molding frame by the primary operator.
40557_2014_9038_Fig1_HTML.jpg
PMC4414386_02_40557_2014_9038_Fig1_HTML.jpg
Fig1
While the assistant operator prepared the preheated molten frame (Figure 1A), the primary operator would scoop the molten metal from the furnace and insert it into the molding frame (Figure 1B).