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Magnetic domains locked in, result in the ability of a permanent magnet to support an external magnetic field. Once established these domain positions are held until acted upon by forces exceeding those of the locked domains. The energy required to change the magnetic field produced by a magnet varies for each type of material. The following factors affect the strength and stability of permanent magnets. Continue reading
Adams sells mos
t of its standard energy flexible magnetic material magnetized in multi-pole configuration. It is magnetized with its strength concentrated near the surface on one side of the magnet in order to obtain maximum holding power from the material. This design reduces the reach out of magnet strength but still allows the magnet to reach through the normal thickness of paint and still work effectively.
Adams’ standard flexible magnets are marked with a line running down the “weak side” so that you can be sure to apply the stronger side in your application. If adhesive is applied to the magnets, it is applied to the weak side, thus covering up the indicator line.
High energy flexible magnet is also available, and usually has almost equal strength on both sides in contrast to standard energy product. High energy flexible magnets can be magnetized through the thickness in several methods. Click here to read more details on methods of magnetization.
Adams’ flexible magnetic material can be bent, twisted and flexed without loss of magnetic energy. These materials can also be cut, scored slit, punched or machined.
Adams is a proud member of the International Magnetics Association (IMA), a global trade group made up of companies involved in the soft magnetics industry. These companies include manufacturers and distributors. The IMA is organized as a working group with in The Transformer Association (TTA). The IMA was formerly known as the MMPA (Magnetic Materials Producers Association).
The IMA develops, maintains and distributes industry standards, and is currently in the review process of updating and revising the soft ferrite standards. You can find these current standards in our cores section:
Soft Ferrite Cores User Guide
Standard Spec for Ferrite Pot Style Cores
Standard Spec for Ferrite Toroid Cores
Standard Spec for Ferrite U E I Cores
Standard Specification for Ferrite Threaded Cores
To learn more about the IMA working group and TTA, visit www.transformer-assn.org.
Recent flooding in Thailand devastated many homes and businesses including Hitachi’s Finemet (nanocrystalline soft magnetic core) sites, leaving customers without a clear outlook for new production. Adams and Vacuumschmelze (VAC) have successfully combined resources to provide VITROPERM cores which are proving to be excellent alternatives to Hitachi-made products.
Please contact us for assistance or download a copy of a cross reference tool we’ve published in coordination with VAC. Our sales team is prepared to help identify a VAC product that may fit your needs, arrange samples and provide price quotes.
Micrometals-Arno
ld Powder Cores is now offering a new core material option, Optilloy™ – optimized alloy powder. This material was developed to bridge the gap in performance between the Super-MSS™ Sendust material and the Hi-Flux material. Optilloy™ has similar DC saturation performance to Hi-Flux, yet has core losses that are similar to Super-MSS™ Sendust. Optilloy™ will be offered in six permeabilities: 14, 26, 60, 75, 90 and 125.
Micrometals-Arnold is also publishing a new catalog next month. To request a copy, or for more information on Optilloy™ or other Micrometals-Arnold products, please contact Keith Hook at 800-747-7543.
Price increases and order delays. No company wants to be responsible for them, and no buyer wants to be inconvenienced by them.
However, sometimes such occurrences are inevitable, and the magnet production industry is currently struggling with these issues. As a global leader, Adams has been able to limit their impact more than other companies during these industry-wide challenges. But over the past few months even we have not been immune to the realities of the global economic situation.
If you’ve placed an order recently, you may have noticed that we are experiencing price increases and lead time extensions on some of our magnetic assemblies. As a valued customer you deserve to know why these things are happening. Continue reading
Important questions to ask before magnet production
For any successful signage project, communication with clients is critical, and magnets are no different. Though magnets are a low-maintenance signage option, there are still certain considerations to ensure your clients are receiving the best products available. From manufacturing to application, there are elements that can directly affect how the magnet performs in various environments, and they must be identified before you even begin production. Continue reading
Question: Justin writes: I was wondering the method or type of tool used to cut .030″ thick magnet sheets? I have an art project and was wondering the best, most clean way to cut the sheet so that it leaves the smoothest edges possible. What do you use for cutting them? Thanks
Answer: Hello Justin. Thank you for the question. There are a number of ways you can accomplish your goal. We use special equipment which is designed specifically for use with magnetic sheet. It is highly automated and developed to handle large volume production runs and may not be a feasible solution for you. Instead, I think you would be better served by using one of two fairly simple methods. Continue reading
Question: David Sharpe writes: We have a flatbed printer and solvent printer and we are looking for the best magnetic product to use for Car Magnets. One of our clients just had some of the ones that we are using blow off of her car.
Answer: Unfortunately, this issue is not as uncommon as you would think, mostly because there are a number of possible contributing factors. However, let’s start by addressing your question specifically.
When making magnetic car signs we first have to be concerned with the thickness of the magnetic sheet. Its thickness is directly related to its strength (pounds of pull). It has been universally accepted throughout our industry that the minimum acceptable thickness for automobile signs is .030”, also commonly referred to as 30mil. Anything less than .030” may not provide the pounds of pull required to withstand the external forces an automobile sign is subjected to.
Continue reading
Question: Deborah Foster writes: We have a greeting card company and want to expand to refrigerator magnets. What is the least expensive way to get into this and the least labor intensive?
Answer: There are several ways you could expand into refrigerator magnets. A few ideas include:
1. Tipping or gluing printed magnets into your existing card designs. The magnets could match the artwork of your current card designs.
2. Adding a magnet strip to the inside front cover of existing card designs. This would work well if you offer cards that have photo frames incorporated into the cover. Adams can provide magnetic strips with adhesive pre-cut or scored to the desired size.
3. You could expand into postcard greetings that have magnets glued or laminated to them.
If you want an easy and inexpensive way to make prototypes of your refrigerator magnet ideas, you can use our PrintMAG magnet sheet in your ink jet printer to make mock-ups.
There are companies like Magnetic Attractions or Rainbow Magnetics who print magnets and can package them in bulk or individually for retail, or they can tip/glue and laminate them to card stock. They can even print the card stock if you like.
Please let us know if you’d like to see samples of what we describe above, or if you have any additional questions. If you’d like to discuss any of this in person, please give us a call at 800-222-6686. Thanks Deborah!
