More Than Kids Play The Serious Side Of Magnets In Manufacturing

Modern magnets are more than serious – just ask anyone familiar with plate magnets.  Often times when we hear about magnets we'll refer back to our first experience with them, which was likely through a children's toy or from our early childhood science class.  There is a very serious role that magnets play in manufacturing today that few know little about.  

While magnets were first discovered for their serious contribution to society and began appearing in literature around 625 BC, and were first used in surgery by Indian surgeon Sushruta, and early Chinese literature referenced the needle of a compass and its magnetic properties in the 4th century, magnets have been around forever, and continue to serve society in a multitude of ways.  

Specifically in manufacturing and processing, the science of magnetism is the industry-tested, proven method to remove impurities, and other undesirables.  Manufacturing and food and drug processing have benefited most.  Magnets have the ability to attract impurities and undesirables from both bulk dry and liquid goods, with a force field strong enough to attract even the smallest particles and provide for safe removal.  

Plate magnets are the types of magnets used in the purity process of manufacturing.  They provide a magnetic field throughout chutes, ducts, and pipes to draw out ferrous and or impure material.  If impure particles were not removed, this could harm the consumer or the machinery and contaminate the finished product.  The surface of the plate magnet often has Ferroplate added to resist abrasion, allowing the ferrous material to be wiped away thus avoiding recontamination once an impurity is attracted to the magnet.  Many magnets are stationary, and some more modern options include hinges allowing magnets to swivel allowing for simplified cleaning procedures.  The most common magnet used is the permanent magnet.  Not permanently magnetized, they can consistently provide up to 10 years of strong magnetism, thus reducing the need for replacements considerably.  

Neodymium permanent magnets are well-liked because the strength of the magnetic field helps to ensure even the smallest and weakest ferrous material is caught and removed.  Neodymium magnets are key in food processing also for their strong magnetic field, offering typically five times more magnetism than ceramic magnets.  This is especially smart in attracting foreign and or dangerous material through liquid and dry goods.  Because product purity is critical in the pharmaceutical industry, it also uses magnets in its processing to ensure purity.  

Overall, plate magnets are critical to modern manufacturing and processing, aiding in the delivery of uncontaminated, pure finished products.  Permanent magnets are preferred for their resistance to demagnetization, and Ferroplate is key to reducing the risk of recontamination.  Plate magnets are widely available through both local retailers and online, both offering a variety of sizes and prices for nearly every requirement and available budget.

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Detecting Tramp Metal In Preprocessed Grains Reduces Production Expense

Many contaminants find their way into bulk grain processing factories.  Corn, wheat, oat and other grains are harvested in fields, trucked to the factory, and go through hundreds of yards of machinery before the finished product is packaged.  Things picked up along the way include dirt, insect parts and something called tramp metal.  Since small shards of random metal play havoc with grain processing, as well as being hazardous for consumer health, removal of these items is facilitated through commercial grade plate magnets.

Where Does Tramp Metal Come From?

Tramp metal should not be confused with trace metal.  Trace metals are those elements which exist in almost all living organisms, both plant and animal.  These are minerals like iron, which are digestible and are nutrients included in many grains.  Tramp metal, on the other hand, occurs between harvesting and processing.  Grains come into contact with harvest machinery that cuts and bundles stalks, transportation equipment and metallic parts of factory machines.  If the machines used to harvest and process grain are worn down, bits of metal are likely to fall off in the grain.  

How is Tramp Metal Removed?

Tramp metal can range in size from tiny flecks to pin-sized slivers.  It would be impossible to inspect grain manually for metal or remove metal with a sieve, as some of the metallic pieces are the same size as the grain.  This is where plate magnets come in.  These large, super strong magnets can be used in chutes or conveyor belts that move grain from process to process.  They are attached to sit over the top of the production transport.  As grain moves under the magnets, bits of metal are pulled upward, sticking to the top of the chute or conveyer passage.  

Types of Plate Magnets

These magnets come in a variety of sizes, shapes and strengths.  Factories purchase the magnets which fit their equipment and processes, and some magnets are installed in positions other than above the production transport.  The strength of magnet required to fully separate metal from grain depends on how bulky the grain is at the time separation begins and whether the product is wet or dry.  Using multiple magnets within a single run will also provide additional quality in the end product, as the second magnet can act as a backup and catch anything the first magnet missed.

Using plate magnets in the beginning of the grain process to remove tramp metal keeps that metal from grinding and cutting into other machinery.  In turn, this reduces the chance additional metals will end up in the grain.  Quality of the product is increased, wasted product due to high metal contents is reduced, and consumers are supplied with a safer foodstuffs.

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Plate Magnets Critical For Purity In Manufacturing And Processing

Plate magnets are critical to nearly every manufacturing and processing industry, as they provide the ideal method for removing the metallic particles that can damage machinery and contaminate finished products. Permanent magnets are generally used in these industrial applications, with Ferroplate often added to prevent abrasion from leading to recontamination. Rare earth magnets are especially effective for applications involving the processing of food, as the seamless construction creates a field so strong that even the smallest particles are safely removed from bulk dry goods and liquids.   

Plate magnets are used in the chutes, pipes, and ducts of nearly every type of manufacturing or industrial facility. The magnetic field penetrates the industrial product and draws out the ferrous material that can damage machinery and contaminate finished products. Ferroplate is often added to the surface of plate magnets to increase its resistance to abrasion, which can prevent ferrous material from being wiped off the surface to cause recontamination. While many plate magnets are installed to be stationary within the chute or pipe, models that are more recent include the use of hinges to allow magnets to swing out for easier cleaning.

Permanent magnets are the most common type of plate magnets used in industrial applications. While permanent magnets are not permanently magnetized, their magnetic properties can last as long as 10 years, which can reduce the number of replacement magnets that will need to be installed. Neodymium permanent magnets are especially popular for industrial uses, as the intense strength of neodymium can help ensure that even weakly ferrous material is removed from industrial product.

Neodymium magnets are especially favorable in the processed food industry, as the magnetic properties of neodymium rare earth magnets can be up to 5 times stronger than typical ceramic magnets. This enables the magnetic field to penetrate both liquids and dry bulk goods to remove dangerous foreign materials, thus increasing the safety and purity of the end product. Product purity is also essential in the pharmaceutical industry, making rare earth plate magnets the most common choice for pharmaceutical companies.

Plate magnets are used nearly every area of manufacturing and processing to remove the ferrous particles that can damage machinery and contaminate finished products. Permanent magnets are often chosen due to their resistance to demagnetization, with Ferroplate often added to reduce the risk of abrasion leading to recontamination. Rare earth plate magnets are generally preferred in the fields of food processing and pharmaceuticals, however, as the strong and consistent magnetic field can help assure the mandatory purity of the product. Plate magnets can be purchased through a number of retailers both in the local area and online, with a variety of sizes and prices to choose from to suit nearly every need and budget.

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