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4 December 2009, 08:00, by Nico71
Hi, In fact, I am a student engineer in Mechanical engineering so I know the general effeciency of gear.
Effeciency of worm depend of two parameters : irrevesability and lubrification.For a reversible worm, we have an effeciency from 0,4 to 0,8 and more than 0,85 if it is lubrified. So worm are not bad but irreversible worm are bad (less than 0,4).
If you want more informations about worm, you can read this (very theorical) :
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