|Cope removed from mold. Cope must be lifted straight up.||Sprue hole is cut into cope by twisting the cutter and inserting into mold. Hand must be placed on opposite side of cope where tube comes through.|
|Cut runner bar with tin gate cutter. Slick smooth with spoon, most erosion happens here!||Cut and slick gate. Form sprue base with handle of trowel. Round all sharp edges.|
|Lightly rap the pattern to loosen it from the sand, remove the pattern||Form runner bar pop-up (pressure release) and casting riser. Smaller vents are made at the wing tips. Lightly blow off any loose sand.|
|Blow out drag section of mold.||Replace cope on drag.|
|A snap flask can be opened and used again. With clasps or hooks on one side.||
on the other side.
Just like a regular flask......plus.
|After opening flask is removed and reused.||An outside show, of course!|
|Place ingot or scrap loosely in crucible. Heating metal will expand and crack crucible!||Light with wood matches and lid off.|
|SIMULTANEOUSLY Turn on gas and drop match into furnace.||
match in front of burner.
Have trouble? Call Steve anytime! 509-487-6832
Continued On: Step- By- Step 3