Flat belt implements

craigco · Nov 7, 2017

Were most flat implements 540 rpm? Working on a mcormick deering burr mill.

Janicholson · Nov 7, 2017

No. Flat belt devices were driven with belt speed specifications. Pulley diameter and RPM is described. It is not 540. Jim

rusty6 · Nov 7, 2017

(quoted from post at 18:35:17 11/07/17) No. Flat belt devices were driven with belt speed specifications. Pulley diameter and RPM is described. It is not 540. Jim

Yes, if you have the manual it usually gives the recommended rpm. I think my old IHC hammer mill has it marked somewhere on the housing. Not sure on the Case hammer mill. Got a like new Cockshutt chopper complete with belt and I think it has the recommended rpm listed on it. Pretty sure they are all way more than 540 rpm. More in the 2 to 3000 range I'd guess.

JDBRIDER · Nov 7, 2017

Didn't they figure them by feet of belt travel per minute?

rustred · Nov 7, 2017

the belt speed would be in feet per minute. that mill would be turning a heck of a lot faster than 540 rpm. i remember grinding grain with the w6 mccormick and at full throttle and a 100' endless belt that crusher pully was really turning over. i would take a guess at couple thousand rpm.
same deal on thrashing machine, you had a hand held rpm guage and just held it to the centre of the pully shaft and it showed the rpm of the different pullys. i still have a couple of those.

rusty6 · Nov 7, 2017

(quoted from post at 19:45:31 11/07/17)
same deal on thrashing machine, you had a hand held rpm guage and just held it to the centre of the pully shaft and it showed the rpm of the different pullys. i still have a couple of those.

I've got one of those old Starrett revolution counters too. Not sure just how old it is but its been on the farm longer than I have. I'll try to remember to look at the Cockshutt chopper tomorrow to see if it has the rpm on it.

Brendon Warren · Nov 8, 2017

The tach on my 65 has both pto speed and belt speed.

centash · Nov 8, 2017

Flat belt standard was 3140 feet per minute IIRC. Ben

ericlb · Nov 8, 2017

if its true, while most tractors have 540 rpm for their pto previous to about mid 1960's when some 1,000 began to show up, i had one old farmer who was around when many implements used were flat belt driven tell me that the only implement that absolutely needs 540 rpm is a belt driven thresher, everything else will be close, but can very up or down a few rpm depending on where the individual machine works best

jeffcat · Nov 8, 2017

Pleas3 take a picture! Would like to see that.

55 50 Ron · Nov 8, 2017

540 RPM applies to the PTO shaft out the rear of the tractor. Flat belt driven implements drive from the tractor's belt pulley. The two aren't directly related on most tractors. Although the old McCormick Deerings had PTO shaft and belt pulley engaged by a single lever, where as many newer tractors had separate shift levers, one for PTO and another for belt pulley. Then there are the 2 cylinder John Deeres where the belt pulley runs anytime the tractor clutch is engaged.

55 50 Ron · Nov 8, 2017

Well, I don't agree with that old farmer. I've never heard of a belt driven thresher being driven from a PTO shaft. PTO driven combines had belts, but I think most (probably all) of those had V belts that were an integral part of the machine and didn't attach directly to the tractor's PTO shaft.

Leroy · Nov 8, 2017

But the same ratio applied to both PTO and belt pulley so if you had the PTO turning at the 540 then the belt pulley was also turning at the correct speed. So if you set the speed at the pto shaft you had the correct speed on the belt pully

centash · Nov 8, 2017

Take a look at rrlunds Oliver pictures in the Oliver forum. Tach shows pto speed and standard belt speed, which is 3140 feet per minute. Ben

Kirk-NJ · Nov 9, 2017

I run a new holland and dillenger burr mill. I use the new holland for cracking corn for the chickens. If I run it with my ford 950 with standard size belt pulley it runs a little too fast. I can load it up but when it get down a little the corns a flying. I do have a cover for it and the chickens are free range so they clean up the mess fast. Basically the same when I run it with the farmall cub. I have a ford 2n with a smaller belt pulley and sherman step down trans which reduces the pto speed. I have run my dillenger mill with this set up at shows. The sherman step down basically slows down the pto so that it's running about the same as a hit and miss engine. If you change the pulley on your tractor and the mill your should be able to reduce you speed so it's more manageable.

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craigco · Nov 9, 2017

Basically I'm wanting to convert it away from the belt, either with a PTO shaft or electric motor setup.

Flat belt implements

craigco

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Janicholson

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rusty6

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JDBRIDER

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rustred

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rusty6

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Brendon Warren

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centash

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ericlb

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55 50 Ron

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55 50 Ron

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