我厂车间铁型一组张春有同志用变层砌砖,改进做大型铸件砂型的方法,四个活节省工时600多小时、砖1700多块,单从这外型及打箱来说提高效率三倍以上。我厂大型铸件的砂型,一向采用的砌砖法如图1:把下铁板(图2)放平,在上面砌砖,上面再放上铁板(图3),用螺丝把两块铁板拴紧;外型与坭心都这样。打箱时把螺丝卸掉,拆去上铁板,再把砖一块一块打下。 My factory workshop iron group Comrade Zhang Chunyou with variable layer brick, to improve the large sand casting method, save four live hours of more than 600 hours, more than 1,700 bricks, just from the appearance and improve the box Three times more efficient. I plant large castings sand, brick has always been used as shown in Figure 1: The next iron (Figure 2) flat, brick in the above, then put on the iron (Figure 3), the two screws with iron Tight plate; appearance and heart are like this. Remove the screws when removing the box, remove the iron plate, and then lay the tiles one by one.