A difficult foundry problem about the cast shaping of the small and deep holes in the heavy section steel castings can be solved by using the no bake sand. for making cores.
用这种型砂制作型芯,可解决厚大铸钢件内不易铸出的小径深孔腔室的成形难题。
A small apparatus used for simulating cooling environment of heavy section ductile iron castings was developed by authors themselves.
自行研制了模拟厚大铸件的冷却环境的小型凝固装置。
Using copper alloy mould to make the small-sized and thin wall ductile iron castings is a new technology in the foundry field.
采用铜合金金属型生产小型薄壁球墨铸铁件是铸造领域一项新技术。
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