Trying to make an electromagnetic shaker device

Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
3 replies · 2K views
derekmatthew
Messages
1
Reaction score
1
Hello, I'm trying to make an electromagnetic shaker but I'm not sure if this is possible? Basically I want to wrap an iron core with a solenoid and use AC to shake a magnet at some distance away. I'm not certain on the approach at the moment but I'm kind of looking at the feasibility at the moment.
 
Physics news on Phys.org
If you want to shake something at a variable and controllable rate then a variable speed DC motor with an eccentric weight on the shaft will satisfy many requirements. Crude but very effective and will work at a range of powers. 500W Brushless motors are available for small machine tools and they work well. The motor can be fixed rigidly and the eccentric can be at the end of a flexible shaft if you need high power.
Driving a solenoid with a variable low frequency power signal is nothing like as convenient.
What is the precise requirement?