15" mold - Pattern to Part
Posted: Sun May 29, 2011 5:52 pm
15" flask with a matchplate pattern.
Parting dust.
Couple of big scoops of sand, filled loosely about flush with the top.
Hammered down with the air rammer going over it several times and packing it very tightly.
These to tools work together when topping off one in each hand. This is a whole of of sand and only half the mold.
Striking off the bottom of the drag.
Drag stood up and the molding board cleaned off for finishing the roll.
Cope in place. This I usually just ram like the topping off of the drag (no air rammer) with the scoop in one hand and the rammer in the other.
Gates cut and loose sand blown off. The melon baller works great.
Cope to the left with sprues ready to go back on the drag but not until the drag is on the pouring floor.
Drag on the floor with some already poured molds.
Cope on and 5 other molds ready to pour.
And the part, this is about a 4 pound casting but it takes closer to 6 pounds to pour it. Of course it is the main body for the trucks of the cnc kit I make.
Parting dust.
Couple of big scoops of sand, filled loosely about flush with the top.
Hammered down with the air rammer going over it several times and packing it very tightly.
These to tools work together when topping off one in each hand. This is a whole of of sand and only half the mold.
Striking off the bottom of the drag.
Drag stood up and the molding board cleaned off for finishing the roll.
Cope in place. This I usually just ram like the topping off of the drag (no air rammer) with the scoop in one hand and the rammer in the other.
Gates cut and loose sand blown off. The melon baller works great.
Cope to the left with sprues ready to go back on the drag but not until the drag is on the pouring floor.
Drag on the floor with some already poured molds.
Cope on and 5 other molds ready to pour.
And the part, this is about a 4 pound casting but it takes closer to 6 pounds to pour it. Of course it is the main body for the trucks of the cnc kit I make.