Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. . 7^^ 3/r 70 PATTERN MAKING intricate task and is clearly illustrated in Fig. 36,which contains a sectional view of the finishedpattern. To make this pattern, cut out the discs a 36, of proper size for turning up. To these. T^a7fC f oj tvrrnTto co-re hote for Tiq 30 discs glue the band h in sections, and to one discthe core
Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. . 7^^ 3/r 70 PATTERN MAKING intricate task and is clearly illustrated in Fig. 36,which contains a sectional view of the finishedpattern. To make this pattern, cut out the discs a 36, of proper size for turning up. To these. T^a7fC f oj tvrrnTto co-re hote for Tiq 30 discs glue the band h in sections, and to one discthe core print c. Next attach the prepared discsto the lathe and turn up, as shown in cross-sec-tion, Fig. 36. Turn up two core prints, d d,and dowel the two halves together, making thefinished pattern. AND FOUNDRY PRACTICE 71 Three core boxes are required for this pattern:a plain half core for the center hole through thewheel, which has already been explained; a corebox representing all the cavity between the spokesof the wheel, Fig. 38, represented by the six
Size: 1823px × 1371px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicagofjdrakeco