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Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1916)

Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 76

An illustration from Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice, 1916, leaf 76
side of the web cc and the parting made. The cope moldis now made, and, after being removed, the pattern is drawn. Thedisk e is removed first, and then the rim g, when it will be seen thatthese dry-sand cores, in connection with the pattern, form a moldwhich.will give the casting required. Examples… … Fig. 131. Section through Vertical Center of Pattern for Fig. 127 the beginner in pattern making to construct all ordinary patternsso that they can easily be removed from the sand without injuryto the mold. USE OF DRAWINGS Construction Conditions. As already explained, the patternmaker must…

Patternmaking

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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