Combines helicalsIJ

[PETE]

The only documentation I know of is what I see on the ground. Grain threshing grain in the cylinder makes for less damage. Keeping the rotor full gives the material just the right residence time needed for complete separation. Not keeping the rotor full allows the material to pass through the rotor too quickly reducing the residency time need for proper separtion. Grain hitting grain on the grain pan bounces less that grain hitting metal giving it a better chance to fall through the sieves and not bounce out the back. It was a hard concept for me to understand until I proved it to myself in the field.

 

[Kurt]

If you just want more capacity have you tried the CDF rotorIJ I couldn't beleive the difference it makes in corn to have the cob leaving over the spreader vs. over the shoe. Also if you were to put the bottom adjusting clean grain chain tube on so that you can get the corn into that elevator better like on the 65 or 75 have on, it seems to really help capacity too. Kurt

 

[jburke]

We are looking to trade and not realy looking for more capacity but at least close to the same. The R6x would be less money then the R7x.That is why the questions about an R6x.We traded a 24r30" planter for a 16r30" planter last spring and currently we have a 12 row corn head.I ran this head this fall and got by but as you all know it is not going to be perfect following a 16 row pattern.I would rather run a 16 row head at 2.5-3.0 mph than a 8 row at 7 mph.

 

[Kurt]

How good does your 12 row head workIJ The reason I ask is I also run a 12 row head and in really good corn and if there is a lot of trash coming in, it acts like it can't cram it into the feeder house fast enough and it starts to then push it out towards the head instead of down the throat. Thus I have to reduce my speed quite a bit to give it time for the feeder house to suck it all in. After getting a R75 with the CDF rotor now my limiting factor is getting the corn into the feeder house. I have been wondering if the new A series with the bigger feeder house won't be the answer for my problems. Kurt

 

[jburke]

I know what you mean. The only way is like you said to slow down or to speed up the head.But all in all it works good.

 

[NDDan]

I have not been around 12 row heads but I know I had same problem with 8 row before extending left and right flighting to a center line. This plus the floor slope kit that extends a bit into feeder was all it took. I would be curious with the 12 row if you installed beater paddle onto tube next to bearing support. I would fasten paddle like on the old N series distribution augers. This should kick the material in without lobbing cobs out. And to answer your question on helicals. I like to prevent material from traveling over feed chain, rock door, concave a second time. Only way to do this is some degree of steep pitch helicals. You won't allways note a whole lot of capacity increase but you will have evener flow over concave which should promote separation and prevent some ground up material down to shoe. They also reduce stress on feed chain and rock door system plus maybe more even wear on concaves. That's my $.02

 

[Kurt]

I have added paddles to my tube just like you described. They do seem to help some. (Except the one that is lined up with the middle row, it likes to lob ears back down the row.) But it seems that once the feeder house is full then the material start to boil back out to the front of the head, thus the limiting factor of not being able to get the corn into the combine. It just seems like it needs more of a push to get the material into the feederhouse, like a retractabel finger drum, or augers screwing straight towards the feederhouse. I think it is time for our highly paid engineers to come up with a new design. Kurt

 

[silver_pride]

kurt are you using the feeder slope kitIJ If not get one they are only 63$ and they make a hugger head feed perfect in all conditions.

 

[Kurt]

Yes I have the feeder slope kit, I also have the kit to run the head flater. I thought maybe that was causing to much gap between the auger and chains so I remove it this year and that didn't make any difference. I can only eat so much before the cross auger over load and starts pushing it out the front. Still searching, Kurt

 

[Soy_Breeding_Boy]

Is your feeder house chain running in the high position. It may seem to fast but we have had some luck with the guys that are pushing their machines to the limit. Agco has also come out with a new feederhouse speed pully system that (according to literature) will place the low speed pully in the middle between the current low and high speeds. Also there is a kit to speed up the cross auger.