The metal mold casting processes including assembly metallic die design and manufacture were studied by an example of concrete vibrator ' s wiring bale 以混凝土振动器接线包为例，对其金属型铸造工艺进行了研究，主要包括组合金属型模具的设计与制造。
Dimensional uniformity of closed - die forgings results in positive control of critical wall thickness , eliminating deficiencies caused by shifted cores in castings 闭模锻造的尺寸一致性造成关键壁厚的完全控制，避免了铸造工艺中铁心移位造成的缺陷。
Abstract : thecasting properties of high - strength aluminum alloy zl205a and thecasting technology ofcomplex al - cu alloy standcasting were studied 文摘:介绍高强zl205a合金铸造特性，分析高强复杂铝铜合金支座铸件结构特点和工艺特性及支座铸件铸造工艺。
These are ancient chinese buildings and the brilliant casting of pearl , is the ancient chinese wisdom and technology historical testimony is invaluable 这些都是中国古代建筑和铸造工艺的灿烂明珠，是中华民族智慧和古代科技水平的历史见证，是无价之宝。
We adopted advanced technology of semi continuous casting , where ingots are milled and heated , then rolled in the 1500 mm hot - rolling mill and 1400 mm cold - rolling mill 本厂采用先进的半连续铸造工艺铸锭经铣面加热通过大型1500毫米热轧机。 1400毫米冷轧机。
The results show that using a two - rise - liquid - tube technical scheme and reasonable parameters can produce a large quantity of high quality al - alloy pressure - tight shell 结果表明：应用双升液管铸造工艺方案和合理的工艺参数，能够批量生产出高质量的铝合金耐压壳体铸件。
Feeding , ingate design , air discharge , position of signal wire were analysed and discussed , aiming at the several questions in production of low pressure casting 摘要根据低压铸造工艺的特点和生产实践，从补缩、内浇道设计、排气、信号线安放位置等方面进行了分析和探讨。
The result showed that , by adopting appropriate casting method , a good metallurgical combination between tungsten particles and hi - cr alloyed cast iron could be obtained 结果表明，在适宜的铸造工艺条件下，碳化钨颗粒和高铬铸铁基体之间可以形成良好的冶金结合，铸渗效果较好。
Compared with other kind of precise casting processes , fcp can reduce the environment pollution caused by pattern and molding materials as well as realize near net casting 与其它精密铸造工艺相比，既可实现铸件的近净形化，又避免或降低了模具材料、造型材料对环境带来的压力。
