Product Description:

The MLP070B-0100-FS-N0CN-TQ01 linear motor primary section is produced by Bosch Rexroth Indramat for the MLP Synchronous Linear Motors series. It has size 070, length code B, and a 37.5 mm pole width. An attractive magnetic preload of 3750 N keeps the mover centered on the secondary rail, which supports accurate motion in high-precision assembly lines. Liquid cooling channels integrated into the housing remove heat, while standard encapsulation protects the windings from the surrounding environment. Wiring exits the front face, and no encoder is installed, so feedback can be selected to match the axis requirements.

During continuous operation, the mover supplies a linear thrust of 820 N as its continuous nominal force at stabilized temperature. For brief overloads, it can reach a peak of 2600 N without exceeding mechanical limits. Electromagnetic conversion is tied to a force constant of 176.7 N/A, so each ampere of phase current produces nearly 177 N of drive force. Current limits include a rated value of 4.6 A and an allowable maximum of 23.6 A for short intervals. A back-EMF constant of 101.9 Vs/m characterizes the generated voltage per unit speed and influences drive sizing. The three-phase coil set has 89.0 mH of inductance and 14.9 Ω resistance at 20 °C, and these values affect time response and copper losses.

Liquid circulation must remove up to 900 W of internal losses. This heat load is carried away when a coolant flow of 1.3 L/min is maintained at an inlet pressure of up to 10 bar. Under those conditions, the mover temperature changes with a thermal time constant of 2.4 min, so the cooling circuit needs steady flow during continuous duty. The axis can travel at 200 m/min during normal duty while maintaining the stated continuous force, and at maximum thrust the velocity is limited to 100 m/min. These operating conditions help balance stroke speed, duty cycle, and cooling circuit capacity.