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Need to speed up

Started by CLL, February 23, 2009, 10:49:58 PM

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CLL

February 23, 2009, 10:49:58 PM
Need to go from 540 to 1750-1850 RPM's. Any idea where we can get the parts?
Too much work-not enough pay.

pineywoods

#1
February 23, 2009, 10:54:40 PM
Junk yard manual tranny, hooked up backwards, or if a right angle drive would work, rear axle off a rear-drive vehicle, most are somewhere around 3:1
1995 Wood Mizer LT 40, Liquid cooled kawasaki,homebuilt hydraulics. Homebuilt solar dry kiln.  Woodmaster 718 planner, Kubota M4700 with homemade forks and winch, stihl  028, 029, Ms390
100k bd ft club.Charter member of The Grumpy old Men

Ron Wenrich

#2
February 24, 2009, 05:49:41 AM
What are you speeding up?  If you're running belted equipment, then you can do it with pulleys.
Never under estimate the power of stupid people in large groups.

CLL

#3
February 24, 2009, 05:20:25 PM
going from a pto to speed needed for shaving mill, around 1750-1850.
Too much work-not enough pay.

Ron Wenrich

#4
February 24, 2009, 05:41:05 PM
The shavers that I have seen all used a pulley system for the power transfer.  You're looking at speeding it up about 3.25 times.  So your driven pulley has to be 3.25 times smaller than your drive pulley.  (I think I got that right).  Our mill is set up the opposite, since we want to reduce the speed of the electric motor down to 700 RPM.

So, if your drive pulley is 24", then your driven pulley should be about 7½".  That should give you about 1725 RPM.  Figure about 25 hp/belt. 

Never under estimate the power of stupid people in large groups.

CLL

#5
February 24, 2009, 09:03:37 PM
Thanks for all the help
Too much work-not enough pay.
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