Ironless linear Motors
Dynamic Positioning of Small Masses
The new ironless linear motors in Rexroth’s MCL product line position small masses with precision and high synchronisation. These motors are dynamic and easy to integrate into machines.
Typical areas of application of these ironless linear motors include assembly and handling technology as well as semiconductor and solar technology Picture: Bosch
The product line features four sizes with graded lengths and a maximum force range of between 20 and 1 700 N. This enables an acceleration of up to 300 m/s2 and a maximum speed of up to 1 300 m/min. To increase performance, several primary components can be set up in series or parallel to each other. The compact design offers different mounting planes for primary and secondary parts, providing flexibility in design.
Optionally, the linear motors also come with a Hall sensor unit to detect the position for the initial commutation. Compared to iron-core motors, the new product line of linear motors distinguish themselves through the ironless design of the primary part, which contains the three-phase winding. The design aspects combined with the relatively small mass movement by the primary part create a high level of dynamics with a very high degree of precision.
Typical areas in which ironless linear motors can be used are applications where it is important to move small masses at the maximum possible cycle speed with extremely high precision, e.g. pick-and-place machines. The high synchronisation of the MCL motors also predestines them for use in measuring or laser structuring machines for solar technology.
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