This research mainly explores the production of steel castings with air flush molding green sand and the improvement of its character from the molding sand recipe and mold sand system control.
本研究主要探讨了用气冲造型湿型砂来生产铁路钩缓铸钢件，从型砂的配方和型砂系统的控制等几个方面来优化其性能。
When low alloy steel replaced carbon steel castings, a series of questions were uncovered in traditional sand casting process.
铸钢材质升级为低合金钢后，传统的砂型铸造工艺在生产中暴露出了一系列问题。
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。
Precision injection molding, casting, mold repair metal jewelry and accessories, precision stampings, welding, lost wax castings, aluminum castings, stainless steel sand hole repair.
精密注塑、压铸、模具的修补金属饰品及配件、精密冲压件的焊接、失蜡铸件、铝铸件、不锈钢产品砂孔修补。
This standard is applicable to carbon steel castings of sand casting and casting mold casting which owns equivalent thermal conduction with sand mold.
本标准适用于在砂型铸造或导热性与砂型相当铸型铸造的一般工程用铸造碳钢件。
The surface defects formation mechanism of steel castings produced with resin-coated zircon sand mould was described, and their prevention measures were discussed.
论述了锆砂覆膜砂铸钢件表面缺陷的形成机制，就该缺陷的防治措施进行了探讨。
The surface defects formation mechanism of steel castings produced with resin-coated zircon sand mould was described, and their prevention measures were discussed.
论述了锆砂覆膜砂铸钢件表面缺陷的形成机制，就该缺陷的防治措施进行了探讨。
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