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Small sawmill

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mhh:
Hi! A bad case of  :proj: On top of all the other projects!  :doh:

I'm currently drawing up a 'small sawmill' with about 12m capacity. (Portal type for saving space)
My first thought was to have the feed driven by a rollerchain, but looking at the prices I suddenly changed my mind!  :D
Racks an pinion also comes to mind but they of course is equally expensive!
Just having two rubber wheels make contact to the frame do not appeal to me because of the possibility of one wheel slipping and the portal twisting.

Wire seems in my mind the way to go! I'm thinking of putting one motor on each end let one do the feed and then the other do the return (also a way of having a rapid return by letting one motor go faster on the return)


Are there any other clever ideas from the wise people in here?
 

Alan Haisley:
A quick sketch of what you have in mind could help.

Alan

mhh:
A really quick sketch of the general idea.
Nothing fancy

Alan Haisley:
I assume that the idea is to hold the log on some form of cradle or fixture and use the cables to pull the horizontal bandsaw through it, cutting off a slab. It might be better if the bandsaw were vertical so that the weight of the slab being cut doesn't pinch the blade, but the commercial units all seem to have a horizontal blade.

By the way, there are commercial band mills that use a hand fed blade. You might start there and then add power feed.

Alan

Bert:
Hi

Worth a look, may be some ideas here.

http://www.homemodelenginemachinist.com/f31/model-sawmill-dreaming-19319/

Regards ..bert

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