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Scragg mills

Started by black, July 01, 2015, 02:47:56 PM

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black

I was wondering was there ever any scragg mills (circular saw) with top saws and if not why? If one had a top saw like a circular sawmill the larger logs would work good if you box the in feed that the logs cant fall off.
I bought a scragg with 2 x 36'' blades and it has a 55hp motor on each blade.
I think its a lot of motor when you compare it with the Morgan mini scragg that I read has 1 x 50hp motor. When you guys with the Morgan mini scragg use your complete blade does it labor hard or is the 50hp enough?
I was thinking about mounting one arbor powered by one motor.
Why burn the bill of 2 when 1 is good.

Ron Wenrich

36" blade can cut roughly a 14" piece and clear.  That's using a 6" collar.  Rule of thumb is 5hp/inch of wood.  Looks to me like the 55hp motor is well engineered.  I run a vertical edger with a 60hp motor, and you didn't want to feed too fast if you were in deep with both saws, or you would start to cut off line.  Maximum cut was 7".  We also ran a 50hp on a horizontal edger that would cut 4" on 2 saws. 

I've never been around a scragg, as we generally see them in places that want to break down logs quickly and in low grade mills.  Some of them are indexed and are similar to an edger as far as setting goes.  Using that setup and a cant return would eliminate the need for a top saw.  Most of the setups I've seen pictures of used a sharp chain for an infeed. 

There are some that use end dogs and have the ability to turn and return the log.  Using that setup removes the need for the sharp chain or the cant return.  They are pricey, but if you have the logs and the markets, it can pump out a bunch of wood in a day.
Never under estimate the power of stupid people in large groups.

longtime lurker

google McKeeco, have a look at the twin log edger. It's a serious end dogging scragg configuration that will handle logs out to 36" or so. To do that takes a 72" saw. Good gear and well regarded in australia for handling our nice springy eucalypt species. I've seen bigger but what beats you is getting the blades hammered... There's no room for imperfection in the balance of a 6 foot saw blade.
if the logs are big enough after that to need a top saw, just put them on a carriage
The quickest way to make a million dollars with a sawmill is to start with two million.

black

Has any one got Morgan scragg mills website details?

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