Sand core of water jacket for 462Q engine cylinder bolck was made of phenolic aldehyde resin sand by hot boxprocess.Domestic ZZ8612 core machine was in priority chosed to design hot box.

• 选用酚醛树脂砂热芯盒法制作462Q气缸体水套砂芯,以国产ZZ8612射芯机作优先选用机型设计热芯盒,合理选择射砂方向及垂直分盒,确保细窄部位成型及砂芯的整体质量;