Test Service Enhances Bal Seal Offering for Low-Friction Seals
Resource from: Business Wire Likes:203
Aug 27,2015
FOOTHILL RANCH, Calif.--(BUSINESS WIRE)--A new test service introduced by Bal Seal Engineering, Inc. offers verified performance results for Bal Seal® low-friction spring-energized seals used in rotary/face applications. According to the company, the service will help OEMs and tier suppliers eliminate unnecessary costs, delays and complications associated with in-house or outsourced seal testing.
Rotary/face seals are frequently used in dynamic housings and mounts to protect electronics and other internal components from environmental contaminants that can compromise performance. To minimize stick-slip and meet motor torque requirements, these seals must exhibit very low friction – but they must also minimize leakage over long periods of exposure.
“It’s a balancing act,” says David Fogel, director of business development for Bal Seal Engineering. “This kind of sealing requires the right mix of friction, leak rate, and service life. We consider all these factors when recommending a seal material, profile and energizer, but testing can reveal opportunities for improvement or refinement. Our new test service gives customers the added confidence of knowing that a seal will meet their requirements upon delivery. They get a better solution and a faster time to market.”
Bal Seal Engineering’s seal test equipment measures friction and leak rate using customer-defined hardware tolerances and operating conditions, including pressure and speed. Fixtures can accommodate seals up to 22 in. OD, and can be modified for larger seal dimensions. The fixtures can produce a wide range of pressures and exert specific frictional forces to accurately simulate a seal’s performance under real-world conditions.
Rotating plates on the fixtures are connected to digital force testers, which measure the friction of rotation. A vacuum tester simulates air flow over the housing. The tester pulls a vacuum across the plates, creating suction inside the seal to measure the leak rate across its surface. Both friction and leak rate are measured simultaneously.
Bal Seal Engineering says the new test service is designed specifically to evaluate the performance of its low-friction spring-energized seals. These seals, which are machined from polymer-filled polytetrafluoroethylene (PTFE) materials, exhibit an extremely low dynamic coefficient of friction. The seals minimize “stiction” to facilitate smooth rotation and bi-directional motion, and they can be used against a range of material hardnesses/finishes. They are energized with a Bal Spring™ canted coil spring, which ensures even wear and longer service life.
Bal Seal Engineering will feature its low-friction seals in booth (#S2-365) at the DSEI show, September 15–18, 2015 in London. Information about the company’s new low-friction seal test service offering can be found at www.balseal.com/testing.
About Bal Seal Engineering, Inc.
Bal Seal Engineering, Inc. is a leading global provider of custom-engineered sealing, connecting, conducting, and EMI/RFI shielding and grounding solutions. The company’s products employ unique Bal Spring™ canted coil spring technology to promote enhanced equipment performance and reliability. For the latest news and information about Bal Seal Engineering, visit http://www.balseal.com/media, call 800-366-1006, or e-mail sales@balseal.com.
(Business Wire)
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1.The news above mentioned with detailed source are from internet.We are trying our best to assure they are accurate ,timely and safe so as to let bearing users and sellers read more related info.However, it doesn't mean we agree with any point of view referred in above contents and we are not responsible for the authenticity. If you want to publish the news,please note the source and you will be legally responsible for the news published.
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