作者:admin 时间:2022-03-18 22:23:31 点击:次
采用熔模精密铸造工艺,生产中空螺旋状不锈钢冷却水喷头,其工艺要点是,采用热型重力浇注,在高温下进行自由浇注。
Hollow spiral stainless steel cooling-water-sprayer was produced by investment casting.
研究叙述了贵金属首饰加工的常用方法,并着重介绍了精密铸造法的工艺流程、操作步骤及技术参数。
The common-used processing methods of precious metallic ornament are described.