V6 engine block-casting manufacturing process

"The whole process of V6 engine block casting factory production and manufacturing
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00:00 Casting V6 engine blcok
00:14 Making hot-box pre-coated sand cores
00:48 Making cold-box sand cores with sand and resins
01:39 Dip-coating and drying sand cores
02.51 Installing heated liners and making up sand cores to positions
04.53 Low-pressure casting"