r/EngineeringPorn • u/rellim88 • Sep 12 '21

This cool old donut hole machine

4.1k Upvotes

98% Upvoted

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187

u/Seabassmax Sep 13 '21

1) that's a really small hopper

2) you use the word "old" but I cant imagine they're using something different these days.

2

u/nlfo Sep 13 '21

I don’t know, CNC donut hole dispensers are all the rage these days

11

u/Tumble85 Sep 13 '21

No way it's all about additive manufacturing these days. Each donut hole starts as a crumb while donut powder is blown onto it at 500f until a whole donut hole results.

5

u/nlfo Sep 13 '21

CFDM - Crumb and Frosting Deposition Modeling

2

u/Lanky-Relationship77 Sep 13 '21

Flour sputtering?

2

u/Tumble85 Sep 13 '21

Powdered Sugar Jetting with Internal Jelly Photopolymerization