Counterbalanced drive

  • Thread starter stan
  • Start date
  • #1
stan
18
0
Hi,

i was wondering what is a eccentric counterbalanced drive mechanism, i could not find any pictures of this particular mechanism..

can anybody explain how it works and what is its purpose?


stan
 

Answers and Replies

  • #2
FredGarvin
Science Advisor
5,088
10
I don't have any source for a picture, but the idea is that the eccentricity produces an orbiting instead of pure rotation. The counterbalance is required to minimize the out of balance created by this configuration. I have seen them mostly used on machines that are shakers and seperators. We have a vibrational polishing machine here that uses one. I'll keep looking for pictures though.
 
  • #3
Danger
Gold Member
9,756
253
The first thing that comes to mind is the crankshaft in a car engine, but I'm not sure if that's what you're talking about because the output is smooth. I believe that orbital sanders and floor polishers use an eccentric drive as well.
 

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