Motors promise polished performance worldwide
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Lafert Electric Motors product story
Edited by the Engineeringtalk editorial team
Feb 15, 2005
Europtica International required a reliable single-phase motor that met international standards combined with high efficiency.
Europtica International is a specialist equipment manufacturer for the spectacle lens industry, and one of its key requirements was for a reliable single-phase motor that met international standards combined with high efficiency.
In addition, Europtica was looking for a manufacturer that could supply these motors custom-engineered, compatible with the pumps employed in its machines.
The Milton Keynes based company manufactures machines for circulating and maintaining the quality/temperature of polishing media used in spectacle lens production.
Over 90% of Europtica's Euro Kleenchill machines are exported: hence the need for the motors selected to comply with international standards, particularly cURus and Epact/NRCan requirements.
The international factor also demands that the motors must be able to operate at both 50 and 60Hz (220-240V).
AEG Electric Motors was selected to supply the motors, and Tom Wardle of Europtica comments: "We have been extremely pleased with performance and reliability of AEG's motors".
"Some 95% of ours sales are export, many applications are 24/7, so high reliability is essential in a worldwide scenario".
"AEG has been very helpful in tailoring their product to our specific needs, including a special flange and stainless steel shaft".
The AEG motor (an AMME unit with capacitor start, capacitor run) is employed to drive the pump in Europtica's Kleenchill unit that circulates the lens polishing media, which essentially is an aluminium-oxide slurry.
Pump and process design enables fully variable pressure and volume control to meet diverse application requirements.
Principal feature of the Kleenchill that made it an international market leader is its ability to extend polish life up to 12 months with no deterioration: usually, polish is changed weekly.
Hence there are significant cost savings and minimisation of waste.
Also, by ensuring both flow and temperature are controlled effectively, consistent polishing quality is assured.
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