I get that it’s an extrusion machine of some sort. I don’t understand how they extrude with the hollow center without splitting the outer circle. I’ve had so many people try to explain this and I’ve tried to find videos and my brain just can’t make it work. How do they design the machine that forces it into a ring like how does the center piece attach to outer shape of the mold without affecting negative space in between the two that the pasta comes out of? I hope I’m explaining why I’m confused correctly
In: Engineering
Here is the front and back of a macaroni extruder die.
https://upload.wikimedia.org/wikipedia/commons/c/c5/Elbow_macaroni_die_front.jpg
https://upload.wikimedia.org/wikipedia/commons/2/29/Elbow_macaroni_die_back.jpg
The circle that forms the hole in the center of the tube is supported from behind. The dough is pushed into the extruder die from the back, forms/flows around the supports, and is pushed back together in the space between the supports and the face plate so that it can be pushed through the die holes as a tube.
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