Reliable motor powers industrial blower

A Lafert Electric Motors product story
Edited by the Engineeringtalk editorial team Feb 26, 2008

Lafert's Progressive motors are designed to give engineers more power for weight/size than similarly sized IEC machines.

The EP10 industrial blower from Air Control Industries has a blower head that is cast and machined as a single piece with equally spaced bearings configured to provide even loading from the belt drive.

This allows the belt to be run at much lower tension, resulting in significantly reduced loads on all parts of the assembly.

It is used in the company's own bottle and can drying systems, which are installed in breweries and soft drinks plants around the world.

The blower uses the Progressive motor from Lafert.

Lafert's Progressive motors are designed to give engineers more power for weight/size than similarly sized IEC machines.

This is particularly beneficial for ACI's bottle and can drying application because it helps to reduce the foot print of the dryer without impairing the blower's efficiency.

"The Lafert motors help us to achieve our customers' bottle and can drying needs while minimising the space required, which is always at a premium" said Jason Bean, ACI's Manufacturing Director.

"This is complemented by the reassurance to our customers that being an international company, Lafert can provide a prompt backup response in most places around the world".

ACI uses both 2 pole 11 and 15kW Progressive motors in a 132 frame size.

These have similar outputs as 160 IEC machines.

Lafert Progressive motors are available as two, four and six-pole units.

Two-pole motors are available in frame sizes from 63 to 180 with powers up to 30kW; four-pole units come with frame sizes of 63 to 250 with ratings up to 75kW and six pole machines come in sizes of 100 to 132 and 7.5kW ratings.

The increased output from the motors is made possible by extending the internal lamination pack and building in more active material.

Some of the motors use the class F temperature rise available from class F insulation.

The multivoltage input of 380-420V 50Hz/440-480V 60Hz is unaffected.

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