The magnet is considered to be magnetized oriented in the thickness direction.
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This calculator estimates the attractive force in lbs between a magnet with a straight line demagnetization characteristic in direct contact with a flat sufficiently thick steel work piece.
When strings vibrate in the field the coil detects this and creates a voltage which causes sound.
Many online calculators we ve seen determine pull force based on a theoretical calculation of the flux density.
Stanford magnets has over 10 years experience of supplying rare earth magnets.
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Same as pull calculation the actual measured b field may also be smaller than theoretical value due to actual lower br high temperature and the tolerance from measurement method.
This calculation is used for the magnetic materials with straight demagnetization curves such as ceramic magnets neodymium magnets and samarium cobalt magnets.
This tool calculates magnetic field strength measured in gauss on the centerline of a disc magnet or ring magnet magnetized through its thickness at a distance of x from the surface of the magnet.
We supply neodymium alnico magnets for pickups as well as ceramic magnets for pickups.
These calculations are only appropriate for square loop or straight line magnetic materials such as ceramic magnets neodymium magnets and samarium cobalt magnets.
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It is measured in tesla si unit or gauss 10 000 gauss 1 tesla.
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Ferrite magnet pull force calculator.
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Pull force calculator this calculator estimates the attractive force in lbf between a neodymium iron boron magnet in direct contact with a flat sufficiently thick steel work piece.
Magnetic flux density is also called b field or magnetic induction.
With a few assumptions flux density in gauss can be related to the expected pull force.
Here you can calculate pull force of rare earth magnets.
Wire is coiled around the magnet creating a magnetic field.
The units of r and t must be same in inch or same in mm.
To estimate the pull force of a disk shaped magnet on a soft iron plate please input the values and click the calculate button.
