Motion Control & Drives


High-performance electrically insulated bearings

July 2017 Motion Control & Drives

With its latest generation of electrically insulated bearings, SKF has raised the performance standard to provide constant electrical performance, even in high humidity.

The Insocoat bearing range comprises bearings with an electrically insulating coating on the external surfaces of its inner or outer ring, plasma-sprayed with an aluminium oxide coating. The coating, which is naturally hygroscopic, is sealed with a resin to protect against the conductive effects of high humidity and moisture ingress.

These bearings are specially designed and manufactured for use in rotating electrical machines, such as industrial electric motors, traction motors and generators. They prevent the passage of harmful electrical currents from the rotor to the machine frame via the bearings, which causes progressive electrical erosion of the rolling contact surfaces and ultimately premature failure.

Following the introduction of an improved plasma spray coating process and optimised ceramic layer, SKF can provide this superior insulating coating as standard and off-the-shelf across its entire Insocoat range. The bearings can withstand voltages of 3000 VDC, sufficient to cope with the vast majority of stray bearing current problems in electrical machines. In addition, the upgraded moisture-resistant coating provides greater protection against humidity storage environments, which can compromise a bearing’s insulating properties before it is even placed in service. This makes the bearings highly robust during transport and handling. Combining both bearing and insulation in a single solution, Insocoat protects against electrical erosion at a significantly lower total cost of ownership compared to other techniques such as shaft or housing insulation.

For more information contact Samantha Joubert, SKF South Africa, +27 (0)11 821 3602, [email protected], www.skf.co.za



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Solving common automation challenges with Festo’s servo drive and servo motor solutions
Festo South Africa Motion Control & Drives
Automation projects face challenges that include limited installation space, the need for precise and repeatable linear motion, rising cycle-speed demands, and seamless integration with existing control architectures. Festo’s servo portfolio directly addresses these issues with compact, modular drive and motor solutions designed for specific applications.

Read more...
Inside the Giant Magellan Telescope with mechanical engineering at astronomical scale
Motion Control & Drives
Construction of the Giant Magellan Telescope, set to become the world’s largest Gregorian optical infrared telescope, is well underway. While its scientific mission is to transform astronomy, its performance depends heavily on advanced mechanical, hydraulic and pneumatic engineering.

Read more...
Filtration as a reliability driver in motion control systems
Parker Hannifin - Sales Company South Africa Motion Control & Drives
This article highlights the importance of filtration in motion control systems, how contamination affects performance, and what fleet managers, operators and maintenance teams in southern Africa can do to reduce downtime, avoidable wear and costly repairs, aided by Baldwin Filters.

Read more...
Supporting construction of next-gen floating offshore wind turbines
Motion Control & Drives
While windy locations naturally make ideal spots for offshore wind farms, they bring challenges when it comes to assembling wind turbines, particularly in ports. Mammoet was approached by Euroports to support with the marshalling and assembly of the components that make up the three turbines at Port-la-Nouvelle in France.

Read more...
Rollers excel where profits balance on a knife edge
igus Motion Control & Drives
Polymer component specialist manufacturer, igus has developed a range of lubrication-free long-life knife edge rollers designed to improve the transfer of products between conveyor belts in high-speed production environments.

Read more...
Bringing physical AI to the factory floor by deploying humanoids in industrial operations
Siemens South Africa Motion Control & Drives
Siemens and Humanoid have marked a landmark milestone in the journey to bring physical AI from vision to industrial reality. Humanoid’s humanoid robothas been successfully tested in operations at Siemens’ electronics factory in Germany, performing autonomous logistics tasks.

Read more...
Next-generation oil-free motor systems with active magnetic bearings
WEG Africa Motion Control & Drives
WEG and SpinDrive are collaborating to integrate SpinDrive’s AMBs and built-in IoT condition monitoring into WEG’s market-leading electric motor offering, creating an oil-free, maintenance-free drive solution.

Read more...
Rising demand for advanced coolant technology
Motion Control & Drives
As modern engines become smaller, more powerful and increasingly complex, coolant technology has undergone a fundamental transformation.

Read more...
Addressing cost, supply and disease pressures in Africa’s feed industry
Motion Control & Drives
Feed producers across Africa are operating in an increasingly complex and volatile environment. The pressures are forcing producers to rethink how they operate, balancing cost control, production efficiency and the need for greater flexibility in an unpredictable market.

Read more...
SKF achieves SaiMechE CPD accreditation
SKF South Africa News
SKF South Africa has achieved SaiMechE CPD accreditation, a decisive step that empowers the next generation of engineers.

Read more...









While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved