How can a machine extrude a round pasta shape with a hole in the middle (e.g penne), without the middle metal part blocking the hole falling away

Question

How can a round shape be made, when the middle part of the metal creating the hole needs to be attached to something, which would create a gap in the shape

In: 479

Answer 1

Did you ever have a Play-Doh Fun Factory or something similar as a kid?

[https://www.youtube.com/watch?v=bptbVF9XETo](https://www.youtube.com/watch?v=bptbVF9XETo)

(Pay attention to the “snake”)

Some industrial extruders work in a similar way, just made of metal instead of plastic.

Answer 2

Did you ever have a Play-Doh Fun Factory or something similar as a kid?

[https://www.youtube.com/watch?v=bptbVF9XETo](https://www.youtube.com/watch?v=bptbVF9XETo)

(Pay attention to the “snake”)

Some industrial extruders work in a similar way, just made of metal instead of plastic.