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	UNIVERSAL MAGNETICS, INC. is a global supplier for the magnetic industry since 1977. Magnetic systems have been called upon to reach higher fields with the advent of new materials and the use of magnets in new applications. Our mission is to provide our customers with solutions to solve their manufacturing situations. We manufacture a quality product and back this up with outstanding customer service. Our products are efficient and innovative. The employees of Universal Magnetics, Inc. and their many years of experience will work with you to design a system for all your magnetizing and/or demagnetizing requirements


	MAGNETIZERS MAGNETIZING FIXTURES CHILLER DEMAGNETIZERS FLUX METER GAUSS METER


	Whether you need a magnetizer, magnetizing fixtures, gauss meter, flux meter, or demagnetizing equipment, Universal Magnetics can handle your magnetic requirements.


	Contact sales at sales@univmag.


	CAPACITOR DISCHARGE Magnetizing with the capacitor discharge approach provides the advantage of requiring relatively low levels of power input both in volts and currents, with a possibility of high volt/high current output. This is obtained by using incoming voltage of 120V, 240V, and 480V and stepping it up in the magnetizer to levels as high as 3000V. Capacitors are charged over an allotted period of time, usually in a matter of seconds, then discharged through the magnetizing fixture, depending on the design of the magnetizing fixture in a matter of milliseconds.


	*Typical capacitance values, these can be increased or decreased as needed.

HALF-CYCLE

The half-cycle magnetizer is a very simple magnetizing system limited in the amount of field generated because it is restricted to the power available. The half cycle magnetizing system has a SCR (silicon controlled rectifier) across the incoming power. For one half of a cycle the magnetizing fixture is connected to the power lines, and is limited to voltages of 120V, 240V, and 480V.


	MAGNETIZING FIXTURES Magnetizing fixtures are designed to each customer's requirements. The types of material being magnetized, the pole configuration, and duty cycle of the application, are all important pieces of information used in the design of the magnetizing fixture. If a simple north/south pole is being utilized then a solenoid type magnetizing fixture can be used. Many applications, specifically motors, have multiple poles. The magnetizing fixture takes on the characteristic of that part to produce a two pole, four pole, twenty-four pole fixture, whatever is needed for an application. Spacing of the poles is very critical to ensure that all the poles are uniform. Sometimes a skew is involved in the magnet design; these will be imprinted on the magnet at the desired angle. These poles are then imprinted on the magnet all at one time. In some cases the magnetizing fixture can be designed to magnetize multiple magnets or assemblies at one time increasing production. The majority of our magnetizing fixtures are made to be liquid cooled, and we use a special heat dissipating epoxy is keep our fixtures running cool.


	CHILLER It is important to consider production demands. When magnetizing a part every ten seconds cooling becomes a major issue. Cooling can be something as simple as air, when production demands are low, but as production rates increase it almost dictates that a fixture becomes liquid cooled. Our chiller is a self-contained unit that interlocks with the magnetizer to ensure that proper temperature and fluid levels are maintained.


	DEMAGNETIZERS At Universal Magnetics, Inc. our demagnetizers work well on many types of ferro magnetic materials and industrial applications of machined parts. Often they are used in conjunction with automated systems. When parts become magnetized during manufacturing our demagnetizing systems work in conjunction with your process to demagnetize your material. Coil systems can be used with conveyors or transfer stations to demagnetize your parts, large or small.


	LOOP This coil works well in tool room settings.

CAPACITOR RING DOWN DEMAGNETIZER

Like the capacitor discharge magnetizer, capacitors are charged, then dumped through a coil. Capacitors are connected through a coil so there is a positive and negative going pulse. As it rings, a damped wave is formed. The parts are magnetized and remagnetized less and less each cycle until diminished to zero, demagnetizing the part. This approach works for material with higher field levels such as ferrites and some weak rare earth magnet materials. This works for bonded magnet material also.

AC FIELD

When using an AC field to demagnetize, the object is drawn through a coil where there is a maximum field in one direction and the reverse field in the opposite direction. As the parts are magnetized in one direction and repeated in the other direction the part moves further from the field. The field strength is diminished each time the part is magnetized and then remagnetized in the opposite direction less and less until you reach the point where the part is now demagnetized. This method is used primarily in demagnetizing Alnico and steel parts.


	FLUX METER Our Model 3200 Flux meter is an integrating circuit used in conjunction with a search coil. The coil tightly encompasses the magnet to be measured and is centered up between the neutral zone. The integrating circuit is zeroed and the coil is pulled off the magnet, cutting all the lines of flux. This gives us a reading of phi or total lines of flux. Phi divided by the cross sectional area of the pole face equals B, lines of flux per square cm.


	GAUSS METER Our Model 3100 Gauss meter is used to measure B. The gauss meter uses a hall probe, which is a solid state device. The probe lays flat on the surface of the magnet pole face and measures the flux coming directly from the pole. This is limited in the area of the hall probe, which just looks at a small area, as compared to the flux meter looking at the total field.