Product Description:

The MLP070A-0300-FT-N0CN-NNNN is a primary segment of the MLP Synchronous Linear Motors series manufactured by Bosch Rexroth Indramat. This 070-frame, length A unit uses winding code 0300 and belongs to a product group intended for direct-drive linear stages. In automation systems, it serves as the moving actuator that pushes or pulls a carriage along a magnetic track, eliminating ball screws and belts to achieve precise, low-maintenance motion.

The mover delivers a continuous thrust of 550 N while drawing a rated phase current of 8.0 A, which indicates the steady process load it can support without excessive heating. A force constant of 68.70 N/A links output force to drive current, making controller setup more straightforward. Heat created by copper losses is removed through liquid cooling. Coolant can enter at up to 10.0 bar and leaves with only 0.2 bar of pressure drop when the minimum flow of 1.1 l/min is maintained, and the internal coolant volume is 0.06 l. Thermo-encapsulation secures the windings and protects them from vibration. Power leads are routed from the front of the housing, and the coil’s 2.9 Ω resistance helps limit inrush stress when the drive is enabled. Attractive magnetic preload on the secondary track is 2900 N, so the mechanical guides must be sized accordingly.

For dynamic moves, the coil can exert 2000 N of peak force, reaching a traverse speed of 300 m/min at that load and up to 450 m/min under nominal conditions. The thermal mass is low, with a time constant of 2.4 min, so coolant regulation must respond quickly during rapid cycles. Electrical dynamics are influenced by the inductance of 17.1 mH, which affects current rise time during step commands. No encoder is fitted, so an external position feedback device must be mounted on the axis. The motor’s pressure-vented construction helps keep internal spaces dry despite the liquid circuit.

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