Abstract
The paper describes the principal operations in mechanical moulding plants and makes special reference to the various types of machines for different classes of work; the preparation, reconditioning, and transportation of sand, mould conveying, pouring, and knocking-out; and means for the return of the empty boxes to the moulding machines. The author gives information derived from his practical experience in connexion with mechanized foundry plant. He discusses in detail the respective merits of various methods of mechanical moulding, and contrasts the jolting method with ordinary “straight pressure” moulding. Under-sand frame ramming is also described. Reference is made to the improvements in working conditions which can be effected by mechanization and by proper ventilation at the knocking-out station. Finally, the author describes a number of examples of mechanized or semi-mechanized foundries, and shows how mechanization can be applied even to quite small plants.
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