. Foundry practice; a treatise on molding and casting in their various details. ..., 1,,—r Fig. 7. The gate stick is loosened by rapping sidewise andwithdrawn. The hole is reamed out, leaving a largeopening to pour the iron into, as shown in Fig. 7. Thecope is ready to be lifted off and placed on any convenientrest where it may be finished. The cope should alwaysbe finished before the drag is touched, for, if anythinghappened to necessitate shaking it out, the drag is readyto have the cope replaced for another ramming. Theportion of the cope that covers the pattern should beslicked lightly wit
. Foundry practice; a treatise on molding and casting in their various details. ..., 1,,—r Fig. 7. The gate stick is loosened by rapping sidewise andwithdrawn. The hole is reamed out, leaving a largeopening to pour the iron into, as shown in Fig. 7. Thecope is ready to be lifted off and placed on any convenientrest where it may be finished. The cope should alwaysbe finished before the drag is touched, for, if anythinghappened to necessitate shaking it out, the drag is readyto have the cope replaced for another ramming. Theportion of the cope that covers the pattern should beslicked lightly with the trowel, then covered with plum- 6 FOUNDRY PRACTICE bago with a soft camels hair brush, or by dusting from asack and then slicking with a trowel. The gate should bereamed slightly to take off the loose edge and pressed tofirmness with the fingers. The drag should be brushedoff to remove the parting sand; then wet the sand aroundthe pattern slightly with the swab. If the sand is too wetat any point the metal will blow when poured, therefore ^ l € y h;:af > KALEVIM
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