Recent content by thomas blair

and the mold is in a cylindrical shape

I am trying to figure out how my idea will work for an electromagnetic device that if possible would repel a lid from an aluminium mold that is 6in in diameter and 52in long and 1in thick would I be have to place an AC electromagnet on the opposite end of the lid while running a weaker current...

I should add the sound will be directed down a small hole into the hollow product inside the mold and I'm assuming that will create more pressure when the sound travels back to the lid

creating force with sound Hi, I am currently building a device for the company I work for to open molds that have been plasticized together using sound. The idea is to produce a frequency that will either vibrate the lid open or push it open, but I am stumped on what calculations I need to use...