No insulated bearings required

June 2023 Motion Control & Drives

Earthrings has developed the world’s most reliable and co-t effective bearing protection solution, tested and approved by all electric motor manufacturers in South Africa

Earthrings protects all motors up to 400 kW without the use of insulated bearings, insulated housings or any other technology. Earthrings is also the only product in its category that comes with an official 10-year guarantee. Earthrings saves you money and lasts the operating life of your motor, so no unnecessary maintenance or replacement intervals are required. Shaft voltages from variable speed drives (VSDs) are one of the biggest causes of downtime on motors powered by VSDs, but are the least identified. Shaft voltage damage is seen as ‘frosting’ or ‘fluting’ in the bearing, and also as dark, burnt, damaged grease. All electric motor manufacturers around the world advise shaft grounding as a critical and necessary protection on their electric motors.

Further reading:

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Next-generation oil-free motor systems with active magnetic bearings
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Rising demand for advanced coolant technology
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As modern engines become smaller, more powerful and increasingly complex, coolant technology has undergone a fundamental transformation.

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Rapid headframe replacement for Canada’s biggest potash mine
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Humanoid robots are moving faster
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WearCheck strengthens onsite sampling capabilities
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Enhancing carbon capture drilling efficiency with PowerFlex drives
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To meet the growing demand for carbon capture and storage, Drillmec needed to make drilling ingress points for carbon capture faster, safer and more cost efficient.

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