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Any pertinent reason for a discbine blade only having two "cutting blades"?
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bowtieighth
Posted 9/28/2012 15:27 (#2613317 - in reply to #2613262)
Subject: RE: Any pertinent reason for a discbine blade only having two "cutting blades"?


Bethany, MO

jakescia - 9/28/2012 13:32

I am going to try a situation where we are going to use a discbine-type blade arrangement.........and I noticed that discbines apparently only have two (swinging) blades per discbine blade carrier.

Since my situation would not have the blades cutting near to the ground, or near to each other, I was thinking that I would use sickle sections bolted to the discbine blade carrying unit........and put on as many of them per unit as the "disc" would hold.  Objective would be to give the cutters as much chance as possible to cut plant stalks when point of cut is higher up on the plant, and plants would obviously be less rigid.

Any operational reason for limiting the number of blades per blade carrying unit, other than meshing with the unit beside it?

Thanks.


Disc speed is ~3000 RPM
3000/60 sec = 500 cuts/second
8 mph ground speed is: 5280 X 8 = 42240' per hour/60 min./60 sec. =11.73'/second (141")
141/500 = 0.28
THEORETICALLY, if the cutting edge is only 5/16" long, it would give 100% coverage.  That's how far you move forward before the next blade takes a swipe.
I understand what you're saying, but the opposite is, if one blade knocks it out of the way, without cutting it, wouldn't it be tougher to get it back into the "cutting" area if there's no gap for it to spring back?
Just playing devil's advocate.

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