>> Patrik Johansson schreef in berichtnieuws
>> snipped-for-privacy@posting.google.com...
>> > I would like to calculate the force that a electro magnet is able to
>> > lift. Or rather to know the formula for designing a magnet to lift a
>> > certain weight. Is the "push-force" equal the "lift-force"??
>> >
>> > For example:
>> > If I would like the magnet to be able to lift 10kg using 12V. How
>> > would that formula look like??
>>
>> 10 Kg, that magnet will have the size of a bucket, if you want one
>> with a plunger and - let's say 5 cm of pulling distance. Current at
>> 12V about 65 amps.
>>
>> Well, these are just my gut feelings about it. Any formula that
>> would give you smaller solenoid, I would not trust until proven ;)
>>
>> Perhaps you can search the web for manufacturers of electromagnets
>> and solenoids. Browsing through their catalogs may give you an
>> idea of what is possible and what not.
>>
>> --
>> Thanks,
>> Frank Bemelman
>> (remove 'x' & .invalid when sending email)
>
>Hi frank, could you explain how you would work this out? I have been tasked with finding a power rating and material size for lifting 1.8 tonnes using an iron electromagnet.
>Thanks
Just a note- you are responding to a message that is more than 15 years old, and unfortunately Frank has not been seen in these here parts for quite some time.
--sp