New to me MFB

OK. Thanks. I have MMB-1 and MMB-3 but not the -2. So that tightens the intro date down some.

Robert D.
 
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Has anyone else ever seen the chain drive? I just acquired one of these MFB mills and mine too is chain drive. I just can’t seem to find any information.

Regards all.

Derek.


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There probably isn't any, as all of the mills came from the factory with belt drives. If yours already has chain drive and it was well done, I can't see any particular reason to change it back. But I have to wonder why anyone would have gone to the trouble to convert it.

Did yours also end up with the chain a little too slack? If so, there is a fairly simple fix if the tension adjustment has the enough range to let you still change speeds.
 
I pick it up in a couple of weeks (when the seller and my schedules align). I’ll get back to you but from the pics I have received it looks really well done. As for slack, I will let you know, and may pick your brain regarding the fix.

Derek


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When I purchased my MFC there were parts included for a chain drive: the chain, a sprocket for the spindle and a sprocket for the countershaft. I don't know the story behind them and always wondered why someone would want a chain. There was only one sprocket diameter - so only one speed I guess.
 
OK. So yours may be a 4-speed machine if the back gears still work. 2-speed motor pulley and 2-speed back gear. The machine that started this thread had quite a few photos, at least two of which showed two sprockets on the countershaft. But none of the photos show what's on the spindle. So I can't say for certain whether or not the back gears still work and whether or not there are two working sprockets on the spindle. And I can't say whether it is a 2-speed, 4-speed or 8-speed machine.
 
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It appears as though it will be 2 speed and that the back gears will still be operational. This pic from the seller, more to come when I pick it up.

Cheers.


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Another pic.....


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OK. 2 speeds with the chain drive times 2 speeds with the motor belt times 2 speeds with the back gears is 8 speeds total, same as the MFB and MFC were originally. Someone in Canada or the Northern or Northwester US must have done several of them. It;s rather surprising that outside of these two, no one seems to have mentioned them.
 
I agree, but from the pics it looks as though it has been done pretty well. Once the machine is through the door I’ll make some proper measurements and maybe even a video. Any thoughts as to what the motivation might have been? I haven’t read any post that has indicated that the original design was lacking in “torque” or that the belts slip. I’ve never used nor have I had a horizontal mill so I have no frame of reference on which to draw. Any thoughts?

Derek


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