Electrodyne strip magnets


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Flexible Ferrite Magnets

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The high permeability pole pieces act as conduits to conduct the flux away from the magnets and outwardly to the edges of the pole pieces and to the gap between which the strip material is passed. That apparatus does not require electrical current for operation, Electrodyne strip magnets because it requires the pole pieces between the permanent magnets, the polar bands which the pole pieces form Celebrity monique naked the magnetic material are necessarily spaced apart by an unmagnetized or "neutral zone" Retro threesome tube them.

In this embodiment each magnet Mature milfs strip guy naked is preferably in the shape of a plate or disk, as Electrodyne strip magnets in FIG. A comparison of Example 3 with Example 4 shows how Nothing to lose but their virginity lyrics steel backing can be.

Flexible Magnets

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Electrodyne strip magnets

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Each magnet 18 has a circular perimeter or edge 24 between its faces 20, 22 and thus is in the form of a thin circular disk FIG. The cushion is caused to bear against the end of the magnet stack by tightening of screw 43 threaded in an end cap 45 of the holder 36 FIG. Pole width should, pursuant to practical use, be in the range of about times the thickness of the strip, and there should preferably be no unmagnetized space or neutral zone between the poles, that is, adjacent poles should preferably adjoin one another along their boundaries.

Moreover, no source of electric current to energize coils is required for magnetization.

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Upper holder 34 is secured to a non-magnetic slide plate 42, which is guided for movement along vertical guide posts 44, The plates are placed in facial engagement with one another with no spacer of any type magnetic or non-magnetic between them.

The magnetic length of each magnet is the distance measured between its poles in the direction of magnetization 28 which, for a circular plate-like magnet 18, is equal to its diameter. However it should be understood that magnets of materials other than samarium cobalt such as magnets of the neodymium-iron class, for example, neodymium-iron boron can be used with excellent results to magnetize barium ferrite with this apparatus.


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Description:Most of the lines of flux from one magnet in the stack would be predicted to pass directly into the next magnet as shown, without passing into the space outside the stack into the gap in any degree sufficient to effectively magnetize modern day magnet materials. Magnet length is selected to provide the degree of magnetization needed for the particular material to be magnetized. As a practical matter, if the poles are too narrow in relation to strip thickness, only superficial magnetization may be obtained no matter how intense the magnetizing field, and much of the middle of the strip i. The stacks are positioned so that unlike poles are directly opposite each other across the gap, that is, the south pole of magnet 18a in the upper stack 14 is adjacent the north pole of the corresponding magnet of the opposite stack 16, and so on FIG. The material 50 to be magnetized is passed through air gap 30, in a direction perpendicular to the direction of magnetization 28 of the magnets. Use of a steel backing on the strip or sheet contributes much to holding force whatever the pole width and in some degree to reach. The cushion is caused to bear against the end of the magnet stack by tightening of screw 43 threaded in an end cap 45 of the holder 36 FIG.

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Views: 3539 Date: 2018-03-18 Favorited: 17 favorites

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