Bosch Rexroth | A2FE6361W-VAL100
A2FE63/61W-VAL100
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The A2FE63/61W-VAL100 hydraulic motor is part of the A2FM Fixed Motors series manufactured by Bosch Rexroth for use in automated fluid-power systems. Its fixed displacement of 63 cm³ per revolution sets a definite volume transfer that translates into predictable shaft speed under varying flow rates. The unit can turn in either direction, allowing bidirectional circuit layouts. A case volume of 0.6 L manages internal leakage and keeps bearings lubricated. When the system pressure reaches the 400 bar nominal rating, the motor develops 401 Nm of torque, while the 450 bar maximum rating provides short-term overload capacity. Combined inlet and return lines may impose a 700 bar summation pressure limit. FKM seals are fitted for resistance to common hydraulic oils, and the assembly weighs 17 kg for straightforward handling during installation.
The motor sustains a continuous speed of 5000 rpm and accepts brief peaks up to 5500 rpm, matching applications that demand rapid actuation. An inlet flow ceiling of 315 L/min at nominal speed prevents cavitation and ensures adequate cooling. Low rotor inertia of 0.0035 kg·m² promotes quick acceleration and deceleration, while a rotary stiffness of 8.11 kNm/rad limits torsional deflection under load. Pressure rise can occur at 16 000 bar/s when no relief valve is used and is moderated to 9000 bar/s when a valve is installed, outlining the response characteristics designers must accommodate during startup or load changes.
Technical Specifications
Case Volume
0.6 L
Direction Of Rotation
Bidirectional
Displacement
63 cm³/rev
Max Inlet Flow (nnom)
315 L/min
Max Pressure Rise Rate (no Prv)
16000 bar/s
Max Pressure Rise Rate (with Prv)
9000 bar/s
Max Speed (intermittent)
5500 rpm
Max Speed (nnom)
5000 rpm
Maximum Pressure
450 bar
Moment Of Inertia
0.0035 kg·m²
Nominal Pressure
400 bar
Rotary Stiffness
8.11 kNm/rad
Sealing Material
FKM
Summation Pressure
700 bar
Torque At 400 Bar
401 Nm
Weight (approx.)
17 kg
1620 Old Apex Road
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