A2FM 12/61W-VPB030 High Speed Fixed Displacement Piston Motor for Construction & Agricultural Machinery

Key Features

1. Fixed displacement 12cc, compact & light weight (6kg)

2. Nominal pressure:400 bar; Max peak pressure:450 bar

3. FKM seal material, standard WDR shaft seal

4. Cylindrical shaft with key DIN6885, 4-hole ISO3019-2 mounting flange

5. Reversible rotation direction

6. High starting efficiency & good power-to-weight ratio

7. Fit for mineral hydraulic oil, for mobile & industrial hydraulic drives

Technical Parameters

Specification:

Application Scenarios

· Mini construction machinery rotary drive

· Agricultural machinery & farm equipment

· Road maintenance small equipment

· Small winch & rotary actuator

· Mobile equipment closed hydrostatic drive

· Small drilling machinery

Competitive Advantage:

1. This Rexroth A2FM12/61W-VPB030 is a bent-axis fixed displacement piston motor. It features rigid structure, smooth low-speed torque with small torque ripple. It runs smoothly and delivers high control precision for CNC machine feed drives and small auxiliary equipment.
2. Adopting the proven 61-series bent-axis design, it has high-strength internal components and good impact load resistance. Stable volumetric efficiency and good temperature performance support long continuous operation and reduce unexpected downtime.
3. Compact outline with standard flange and port dimensions. It fits CNC machine tools, small construction machinery and conveyor drives. Widely available spare parts enable easy installation and replacement with low maintenance cost.

The Analysis For Rexroth A2FM Piston Motor Common Breakdown:

1. Insufficient output torque and obvious speed drop under load. It is usually caused by excessive internal leakage from worn pistons and valve plate, or accelerated wear due to contaminated oil. It directly weakens machine feed power and impairs machining accuracy.
2. Jitter and abnormal noise during motor operation. Common causes include air ingestion, damaged bearings or broken piston slippers. Continuous jitter hurts the stability of CNC equipment, results in poor surface finish and quickly damages the motor.
3. Excessive overheating of the motor housing. It generally comes from internal leakage, high back pressure or improper hydraulic oil viscosity. Accumulated heat speeds up seal aging, worsens internal leakage and shortens service life.