Posted by 2510paul on January 04, 2016 at 15:06:52 from (207.118.233.112):
I am trying to decide if the auger to the wagon on my New Idea 329 Sheller is worn out. I have had some issues of drive line breakage to the auger and later finding the auger full of wet corn (say 20 %). This is the basis of my question.
My question is: is there a table or design guideline of some form of how tight an auger should be in the tube it is running for a given angle and grain being conveyed? On my Sheller the auger flights have about 7/16" to 1/2" clearance to the tube wall. That is with the auger biased all the way to one side of the auger tube. I have no way of knowing if this clearance is excessive or not. Are there any other factors I am missing?
Other factors that I am aware of is: 1. the tube has a bow in it from end to end, about 2 - 3", and 2. the tube has a somewhat flattened area from wagon hits when going through ditches. The dents were repaired to some extent but there still is an obvious flat area about 3 - 4" wide and 2 - 3 ft long. The tube is about 6" in diameter.
I am looking for some engineering data that guides the design of augers.
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