On September 19, 2024, the 6th Asian Casting Forum was held at the Bangkok International Trade & Exhibition Centre in Thailand. During the forum, the Japan Foundrymen's Society, the Indian Foundrymen's Association, the Taiwan Foundry Industry Association, the Indonesian Foundry Association, and the China Foundry Association shared insights into the changes that have taken place in the casting industry in recent years, each from different perspectives. We have summarized the content of the reports and, through a Q&A format, attempted to observe the development of the Asian casting industry from different dimensions.
3D printing is the process of creating objects by adding material layer by layer, enabling the production of complex geometries and highly precise details. Compared to traditional subtractive manufacturing methods, 3D printing reduces material waste and production time, offering significant flexibility.
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The thin-walled parts produced by LFC process are easy to deform. By adjusting the mold splitting process, bead density, mold assembly process, coating, drying support, vibration and other process schemes.
Through product structure optimization, overall foam consideration, reasonable buried box vibration process Process strengthening rib and other measures to reduce deformation and waste products.
Lost foam casting technology as a casting near static forming method has been developed rapidly in recent years. In foreign countries, the lost foam casting technology has shown strong vitality due to the mechanized and automated lost foam casting production lines and the significant economic and social benefits.
In view of the fact that blind hole in lost foam casting is easy to collapse, this paper summarizes the methods to prevent blind hole collapse in lost foam casting in production practice, and puts forward a very effective new method of lifting plate and supporting plate to prevent box collapse.
In view of the reasons that may cause excessive carbon content in the production of low carbon steel castings by lost foam die, the technical parameters of the production process of low carbon steel castings by lost foam die are modified and adjusted, and a reasonable and reliable production operation mode of low carbon steel castings pouring technology condition setting system is created, so as to ensure the technical requirements of the production of qualified low carbon steel castings by lost foam die
Ductile iron pipe fittings are typical thin-walled shell castings. By adopting this process, the production cycle is shortened, the process flow is simplified, the casting size is stabilized, the surface quality is improved, and it can be accurately formed to produce high-quality ductile iron pipe fittings.
Sand entering in lost foam casting is a common defect in lost foam casting. The sand entering position may involve sprue, cross runner, inner runner, etc., especially the part where the gating system is gradually combined.