come in the middle part,or cheek, included in the space K. The two halves will,of course, be drawn from the mold in opposite directions,the inner curves of the rim, and the taper of the hub,affording plenty of draft. There is another form ofmolders parting known as an irregular parting, thatmust… … Fig. 17.dotted line DD, so that the most of the mold will be inthe nowel, which is very desirable, as it leaves less to belifted by the cope. As indicated by the tapered prints 50 WOOD PATTERN MAKING shown at A and B in Fig. 50, a core will be used forforming a round hole through the casting.…
Patternmaking
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