Machine Design

Ironless linear motors

The MCL family now has ironless linear motors that position small masses with precision and maximum synchronization.

The product line has added four motort sizes with graded lengths and a maximum force range between 20 and 1,700 Newtons, permitting acceleration up to 300 m/sec2 and a maximum speed of up to 1,200 m/min.

A three-phase copper winding is completely compound-filled and not inserted into an iron core. The primary part carrier is made of aluminum and used to mount the primary component for heat removal. A U-shaped secondary part contains permanent magnets and encloses the primary component. As a result, the slots cannot cause an attraction or cogging force between the primary and secondary part. The force constant is linear due to the lack of saturation effect.

Bosch Rexroth
5150 Prairie Stone Pkwy.
Hoffman Estates, IL 60192
(847) 645-3600

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