Custom Electromagnets

Custom Electromagnets

For over 60 years, Arnold has manufactured custom electromagnets made of thin-gauge copper or aluminium foils, and wire wound as well. The electromagnet, or solenoid, provides flexibility in generating magnetic fields so they are desirable for klystron, TWT, ion implantation, chemical etching, chemical dispersion, MRI and other wave guide applications.

Arnold manufactures a wide variety of custom electromagnets which generate uniform or proportioned magnetic field shapes and with a wide range of magnetic field intensities. These electromagnets are either made up of tape wound foil wafers or built up from coils of wire.

In tape wound electromagnets, each wafer is electrically controlled to the precise field strength desired. The magnetic field distribution may be uniform, or it may have peaks, plateaus and valleys along the axial length of the electromagnet as dictated by your requirements. When a specific field shape is desired, the shaped field electromagnet can be designed to that configuration with great precision. Wafers may be of various widths within the electromagnet design and can be made interchangeable. Nominal I.D. and O.D. may be selected to meet application size requirements.

Special designs are available which use chilled oil or liquid nitrogen to allow higher than normal current, generating up to 200% greater field intensity than an uncooled design.

Partial List of Electromagnet Products

With several decades of experience manufacturing these products we can provide new and replacement electromagnets at competitive pricing, with rapid turnaround and manufactured to the highest quality standards.

GA-1587EH-158H-266MC-274MC-277 H161MC-281MC-283
VA-936VYW-6363A1VYW 6381A1VYW-5686A1VYW-5691VYW-5700VYW-5713

Solenoid repair/refurbish

Arnold offers repair or refurbishment services on industrial solenoids, including extremely large units. Click the button below for an explanation of our process.
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Travelling wave tube magnets (TWT)

We can also provide both Alnico and Recoma SmCo TWT magnets in a variety of sizes, either cracked or whole, and in custom packaging to fit your needs.

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