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Cooling, Core Removal & Initial Finishing

7:14
44:31
196.2K views

At 7:14 in

Edelbrock Aluminum Foundry and Machining Full Tour & Behind the Scenes! (Pouring Molten Metal!)

What happens here

After cooling, the cast parts, still encased in sand, are transported to a large heat treatment oven. The parts are heated again to soften the sand cores, making them easier to shake out. Following the oven, the parts move to a vibration station where a large vibrator removes the sand from the internal cavities, leaving only the raw aluminum casting. Any excess metal from the runners and risers is also broken off.

Goal: Remove sand cores and initial excess metal from the castings.

Tools and materials

  • Conveyor System — Transporting castings for cooling and processing
  • Heat Treatment Oven — Softening sand cores for easier removal
  • Large Vibrator — Shaking off sand from castings
  • Raw Aluminum Castings — The newly cast engine components

What they say

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already melted in there. And all these cans here already been poured. These are getting cooled down. As they cool down, they're going to travel to the end of the line where they get busted out of the out of the plastic. We get actual on the other side. White one. That's the other type of sand that we have to make the other cores. Those are cured with gas. So you pour it in, you throw it into a box, you fill it up with gas, and it comes out already from inside there. This is where the shake out process of the of the casting starts. We heat up the cores again. That way makes it pretty easy to shake them out. You can see like all these small pieces, that's all of a sudden get stuffed off. So when they still got the cores in them, they go in there to get to get weight shaken out. Where do they get shaken out at? Yeah, they get baked out over there. Then they get shaken out on the outside. We have a big vibrator that'll shake out all the sand right out of it. So that's a big oven. That's a big oven. Heats it up, gets dissolved again, and then we send it over there. Vibrate the sand right out of it. And here they're deburring all the parts. Get any other excess. There's always splash or anything on any casting. They get cleaned up. They look like near finished. We still have a a final surface finish process that we do after. Here we have some small block Chevy uh EFI manifolds right here. Walk around the boundary. was always bad. So these are the cold box ones. Yeah. So this these are plastic. These are not hot. These are careless with gas. You can see this is for that Pro X or EFI manifold. You just know you can kind of make the shape of it. Yeah. Take the inside of the He's going to open the furnace so we can see what's in there. This where our metal is. That's where it gets heated up. You can get a big bath of hot muly metal. We'll throw some of our scrap stuff. We'll blow it in there. Get it all melted up. Also, this is where they all the scrap down. Yep. Okay. Oh, yeah. Oh, yeah. Man, this is the closest thing I've ever experienced to a volcano. My god. Getting hotter. Hot. Yeah, it's hot. Is that hot enough for you? Yeah, it feels good, man. So you went to college for this stuff? I did mechanical engineering right out of college. Worked at a different place, but cars was always what I really liked. I was, "All right, let's go to air rock." All the raw sand that'll eventually get turned into cores. Very of these sacks 3,000 lb. Wow. You can see the map.…

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