Foundry practice; a treatise on molding and casting in their various details (1909) (14598510587)

Identifier: foundrypracticet01tate (find matches)

Title: Foundry practice; a treatise on molding and casting in their various details

Year: 1909 (1900s)

Authors: Tate, James M. (James Murray), b. 1852 Stone, Melvin O. (Melvin Oscar), b. 1877, jt. author

Subjects: Founding

Publisher: New York, J. Wiley & sons (etc., etc.)

Contributing Library: The Library of Congress

Digitizing Sponsor: Sloan Foundation

Text Appearing Before Image:

rt ofthe oven at the end opposite the fire. This draws thecooler air from the bottom, which must be replaced bythe hotter air from the upper part or from the fire; thusit distributes the heat more evenly and reduces the lossof heat passing into the chimney. The ovens for small cores are fitted with shelves, uponwhich the plates of cores may be placed. These are soarranged as to be convenient and accessible while theoven is hot. A convenient form of oven for small cores isshown in Fig. 64. In this oven the shelves are of theform of a semicircle hung at its centre. A door is fittedto each side, thus closing the oven when the shelf isswung out or in. The common forms of core ovens have the shelvesfixed within the oven. The cores are placed upon theshelves through a door that opens in front of the shelves,or the oven is so arranged that the coremaker may go 13° FOUNDRY PRACTICE inside the oven to the shelves arranged about in it. Theovens have the coke fire at one end while the gases are

Text Appearing After Image:

Fig. 64. drawn off near the bottom at the opposite end. Thisarrangement distributes the heat as evenly as possible,but great variation is noted at various points of the oven.The shelves at the top nearest the fire are very hot, while CORES, MACHINES, AND DRYING OVENS 131 the ones that are low at the opposite end are not hotenough to dry a core. This distribution of heat is often

foundry practice a treatise on molding and casting in their various details 1909 book illustrations metalwork foundries industrial history images from internet archive library of congress

1909

Library of Congress

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