采用无冒口铸造技术，合理选择并严格控制化学成分和工艺参数，成功地生产出合格的铸件。
Through reasonable selecting and strict controlling the chemical composition and process parameters, the acceptable mould castings has been successfully produced without riser.
基于改进Q参数法，对杂质泵合金白口铸铁件的冒口尺寸进行设计求解，所得结果用于生产中，铸件健全。
Based on the modified version of Q-method, a new riser design for the alloy white iron castings of slurry pump was made.
本文对铝合金铸件陶瓷冒口隔片的材料、性能及主要工艺参数进行探讨。
This paper studies the material, performance and main technical parameters of the Pottery clay knock-off core of the aluminum alloy castings.
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