by Denise Sullivan Denise Sullivan No Comments

How Canted Coil Springs Provide EMI/RFI Protection

Canted coil springs

The rise of technology has brought about a new era of innovation and efficiency in the modern world. With the advancement of electronic devices, there has been an exponential increase in the number and type of gadgets we use daily. Electronics have become integral to our lives, from smartphones to computers, cars to airplanes. However, with this increase in usage comes a corresponding increase in electromagnetic interference (EMI) and radio frequency interference (RFI). EMI/RFI can cause significant harm to sensitive electronics resulting in malfunctioning or failure. Canted coil springs can be a way to protect equipment from EMI/RFI interference.

Canted Coil Springs as EMI Shielding

Shielding sensitive electronics from EMI/RFI is thus an essential requirement for any electronic device manufacturer. Various shielding solutions, like metal shields or coatings, often suffer from weight, thermal management problems, and low flexibility.

This is where canted coil springs come into play. These springs provide superior EMI/RFI shielding while being lightweight and flexible. The unique design features independent coils that serve as multiple contact points for optimal conductivity and/or grounding, ensuring consistent, reliable connection with mating surfaces under shock and vibration.

The precisely engineered coil angles ensure that these springs provide maximum surface area contact, resulting in efficient current transfer and decreasing contact resistance between mating surfaces. This feature leads to less energy loss due to heat dissipation than traditional designs, translating into better performance over time.

Canted coil springs are made using various materials, including stainless steel alloys capable of handling high temperatures without losing shape over time, ensuring longevity even under harsh operating conditions.

Applications as EMI Shielding

These unique springs can be used for applications ranging from medical equipment to aerospace systems, where reliability is paramount. One such example is their use as connectors between motherboard components on computers, where they reduce the noise created by signal transference between components leading to improved overall system performance.

Canted coil springs can also be used as cable shielding, providing flexible, lightweight, and low-resistance solutions for high-speed data transmission cables. They are especially useful in applications where weight is critical, like aerospace or automotive.

Advantages of Canted Coil Springs

An advantage of these springs is their ability to absorb shock and vibration, reducing the risk of damage to electronics due to mechanical stress over time. This feature makes them ideal for use in rugged environments such as military applications, industrial machinery, or heavy-duty vehicles.

In addition, canted coil springs are easy to install and require no additional hardware making them a cost-effective solution for manufacturers. They can be easily integrated into existing designs without redesigning entire systems, thus reducing development costs while still providing superior performance.

Overall, canted coil springs offer an excellent solution for EMI/RFI shielding needs with their superior conductivity, flexibility, and shock absorption capabilities, all while being lightweight and easy to install. Their versatility makes them an excellent choice for almost any application where reliable electronic performance is essential.

by Denise Sullivan Denise Sullivan No Comments

Exploring the Benefits of Fluorolon PTFE in Industrial and Engineering Applications


Fluorolon PTFE (Polytetrafluoroethylene) is a unique synthetic polymer with many benefits for industrial and engineering applications. This versatile material can be used for a wide range of purposes, from chemical processing to cookware. In this article, we will explore some of the key benefits and uses of Fluorolon PTFE.

FEP encapsulated helical spring seals are approved for cryogenic and FDA use. Fluorolon PTFE

Chemical Resistance


One major benefit of using Fluorolon PTFE is its excellent chemical resistance properties. This material is highly resistant to acids, bases, solvents, and other corrosive substances. This makes it an ideal choice for use in applications such as chemical processing plants or food processing industries where harsh chemicals are often used. It can also be used as a protective coating on metal surfaces to protect them from corrosion or damage from exposure to corrosive materials.

High-Temperature Resistance


Another benefit associated with Fluorolon PTFE is its high-temperature resistance properties. This material can withstand temperatures up to 260°C (500°F) without losing its strength or shape – making it an excellent choice for use in insulation, gaskets, seals, and other high-temperature applications such as aerospace parts or engine components that require superior heat resistance capabilities. The thermal stability offered by this polymer also ensures that parts maintain their original dimensions even under extreme conditions making them ideal for precise manufacturing processes where dimensional accuracy is critical.

Low Friction Properties


Fluorolon PTFE also offers exceptionally low friction properties, making it suitable for use in various mechanical components such as bearings and slides where minimal friction between moving surfaces is desired. Its low coefficient of friction helps reduce wear on machinery parts resulting in increased operational life spans while simultaneously providing smoother operation with less vibration compared with traditional materials like steel or bronze alloys. Furthermore, since no lubricants are required, energy consumption costs due to frequent maintenance procedures associated with lubrication are significantly reduced compared to traditional metals.

Non-Stick Properties


In addition, Fluorolon PTFE has impressive non-stick properties, making it ideal for use in cookware, baking sheets, conveyor belts, and other industrial equipment. Its non-stick characteristics enable food products like cakes, cookies, etc., to slide easily off surfaces resulting in efficient production processes while maintaining product quality standards at the same time. Furthermore, these non-stick characteristics help reduce clean-up times after the production process, thereby saving both time & money.

Electrical Insulation Properties

Last but not least, one important benefit this polymer provides includes its electrical insulation capabilities making it perfect for use within high-voltage industrial equipment & electronic components alike. Its ability to prevent electricity from leaking out allows companies within the electronics industry to create safer products without having to worry about hazardous shocks occurring during usage, thus ensuring customer safety at all times, leading to higher customer satisfaction & loyalty levels over time.

At Advanced EMC Technologies we use Flourolon Virging PTFE primarily for seals, seats, bearings, and insulaotrs. All our Flourolon PTFE is FDA and dairy approved. We offfer both Virgin PTFE ASTM-D4894 and filled PTFE ASTM D4745-06.

PropertySpecifiedUnitsMethod
Specified Gravity (FEP) Only2.14 –2.19gr/ccASTM D792
Maximum Recommended  Stretch2 %N/AASTM D638
ES Seals Are For Type ServiceStatic N/A
Coefficient of Friction (FEP)0.19StaticASTM D3702
Dielectric Constant (FEP)N/AN/AASTM D150
Dielectric Strength (FEP)N/AN/AASTM D257
Thermal Expansion No Spring8.3 x 10^5thin/in/°FASTM D696
Compressive StrengthN/AN/AASTM D695-57
FEP Seal Temperature Range-420 to 428°F
PFA Seal Temperature Range-420 to 500°F

To summarize, the many benefits associated with using Fluorolan PTE should not be overlooked, especially when considering various industrial & engineering-related applications that call out these specific attributes offered by this synthetic polymer beyond any other commonly available alternatives currently present in the market today. Its ability to resist chemicals and withstand higher temperatures than most polymers without losing shape/strength, alongside offering superior low friction/non-stick qualities coupled with excellent electrical insulation capabilities, clearly demonstrates why so many industries opt to choose Fluorolon PTFE over any other material available.