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Grading green beans
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pelpa666 |
Posted on 09/27/2018 2:20 AM
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![]() Newbie ![]() Posts: 3 Joined: September 03, 2018 |
Hi all Do any of you grade / size your green beans ? do you have a diy way of doing this other than buying the expensive machines? |
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renatoa |
Posted on 09/27/2018 2:30 AM
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![]() 1 1/2 Pounder ![]() Posts: 1009 Joined: September 30, 2016 |
I am removing small/broken beans using a drum made from wire mesh, 5x5 square grid, with 1 mm wire, thus 4x4 square openings, which equates to about 12 grade. 20 RPM rotation speed, 300 grams a batch. Is not a custom build, actually is a Deichmann Roestmeister, used as grader too ![]() |
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Ringo |
Posted on 10/04/2019 12:00 AM
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![]() Pounder ![]() Posts: 469 Joined: January 14, 2010 |
I took a roasting class years ago at Boot Coffee and they also teach coffee grading. What they taught was that its a hand process. To grade beans the pull a preset quantity of beans then pour them out on a table. Then they count defects. even the highest grades are allowed a few bad beans. This was only for quality not bean size. The class to really learn this is the C Grader class.
All you need in life is ignorance and confidence, and then success is sure. Mark Twain
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