AA2FM56/61W-VSD510

The AA2FM56/61W-VSD510 motor belongs to the A2FM Fixed Motors series manufactured by Bosch Rexroth and is intended to convert hydraulic energy into rotary motion within automated drives. A displacement of 56.6 cm³ per revolution defines how much fluid is moved each turn and lets engineers correlate speed to flow. The unit sustains a nominal speed of 5000 rpm so it can deliver high mechanical output without oversizing the hydraulic circuit. An inlet flow of 283 L/min at nominal speed indicates the supply capacity required from the pump and associated piping. Continuous operation is supported at 400 bar nominal pressure, while a 450 bar maximum pressure limit covers short overloads that appear during rapid load changes.

The shaft produces 360 N·m of torque at 400 bar, and this rises to 405 N·m when system pressure reaches the 450 bar peak, giving designers clear values for coupling selection. A rotor moment of inertia of 0.0034 kg·m² assists in calculating acceleration profiles, and a rotary stiffness of 6.97 kN·m/rad shows how little the shaft twists under load, maintaining positional accuracy in closed-loop systems. Bidirectional rotation lets the motor power machinery in either direction or act as a pump during braking cycles. The 0.6 L case volume identifies the amount of cooling and lubrication oil that must circulate through the housing to remove heat and flush wear particles.