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Hello Sandy, Glad you enjoyed your visit to the site. A man's gotta' have a hobby... :^) Because of the length of the stroke (3-4"), there are no simple electromagnetic solutions that come to mind. In fact, the simplest (and least expensive!) solution may be to use an electrically controlled air cylinder with a 4-5" stroke. You'll need a source of compressed air and an air regulator. By varying the amount of air pressure via the regulator, you can control the speed and the static force from the cylinder. And, by adding more or less mass to the hammer "head", you can control the impact force when it hits. You can control the cylinder electrically by using a solenoid valve. Sometimes a solenoid valve is even combined with an air cylinder for even more convenience. For some inexpensive examples of these devices see: Good luck and best regards, -- Bert --
: This coin shrinking by Electrocapacitive discharge is even more fun than
: using a defibrillator on people! It is the best demonstration I have ever
: seen of using first class science to produce a wacky endproduct. My
: question is how would I go about creating what is a real dead end product
: for me. (Can't find parts or specs)
: I wish to make an electro magnetic hammer. Specs: Vertical mounting, 3-4
: inch stroke, 80-100 percent duty cycle. Cycle rate 80-120 strokes per
: minute. Hit will have 5-15 pounds of impact strength.
: Purpose: cold forging of Silver, hot forging of small steel objects.
:
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