球铁油压机油缸的铸造工艺

Casting Process of the Ductile Iron Oil Hydraulic Machine Cylinder

介绍了球铁油压机油缸的铸造工艺，包括过滤浇注系统、冒口及冷铁、排气系统、熔炼及浇注工艺设计。阐述了采用变径陶瓷管的生产工艺要点，有效地解决了铸件缩孔、缩松、气孔、夹渣和渗漏等缺陷，提高了铸件成品率，降低了生产成本，取得很好的经济效益。

Casting process of the ductile iron oil hydraulic machine cylinder has been introduced, including filtering and pouring system, riser and chill, exhaust system, melting and pouring process design. The production process points of using adjustable ceramic tube have been described. The defects of casting shrinkage, porosity, air hole, slag, leakage, etc., have been solved effectively, and the finished product rate is improved, the production cost is reduced and the economic benefit is obtained.