Purpose of the work: experimental and theoretical study of factors limiting the durability of moulds, development and introduction of new design moulds possessing higher durability and requiring lesser material and labour consumption. The work develops a mathematical model of the thermal operation of the mould, estimates the cyclic durability of the sleeve and substatiates the hypothesis on thermal fatigue nature of its deterioration. New experimental data are obtained. The results of the investigation include the development of new designs of the moulds with thin-walled sleeves for horizontal-type steel continuous casting machines and production recommendations on steel casting on a single-sided machine. Square thin-walled sleeves with cylindrical locating holes for the metal feeder are designed. The moulds are put into operation at a metallurgical plant. Field of application: designing of new steel and alloy billet continuous casting machinesAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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