Corporate News
Date:
2014-10-09
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YMPM's "Technological Research on Cylinder Block Casting with Iron-based Coated Sand" passes autonomous region technological achievement appraisal

On September 26, entrusted by the Science and Technology Department of Guangxi Zhuang Autonomous Region, the Yulin Municipal Bureau of Science and Technology organized seven professors and experts of entities such as Guangxi University and Guangxi Foundry Association for an appraisal of the "Technological Research on Cylinder Block Casting with Iron-based Coated Sand" conducted by Yuchai Machinery Parts Manufacturing Co., Ltd. (YMPM). The professors and experts agreed that the research should pass the technological achievement appraisal.

The research has resolved the key technical and quality problems of cylinder bodies, such as the common problem of organization shrinkage in sand production of gray cast iron bodies and shrinkage-caused oil leakage from cylinder bodies; and the problem of rejection caused by common defects arising in sand casting such as blowhole defect and thermal crack. Also, the technology can save or reduce the addition of aluminum materials, reduce sand preparation equipment and the amount of sand used, and greatly reduce production cost.

The appraisal committee carefully listened to a work report delivered by YMPM's technical person in charge of the research, looked through mass documents and technical data, reached a consensus upon inquiry that YMPM's "Technological Research on Cylinder Block Casting with Iron-based Coated Sand" has been up to domestic leading technical standards and has broad prospect for application and popularization, and agreed that it should pass the technological achievement appraisal.

(Shen Ben)

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