Rexroth A6VM55 Series Axial Piston Motor
A6VM55 is a slanted axis axial piston variable displacement motor under Rexroth, belonging to the A6VM series. It features high pressure, high efficiency, and variable displacement design, and is suitable for medium and large hydraulic systems. It is widely used in engineering machinery, mining equipment, ship propulsion, and industrial fields.
Key Features
1. Displacement and pressure range
-Displacement: 55 cm ³/rev (displacement per revolution), suitable for medium to high torque output requirements.
-Work pressure:
-Maximum pressure: 400 bar (peak)
-Continuous working pressure: 350 bar
2. Variable adjustment function
-Optional HA (hydraulic control) or EP (electric proportional control) variable modes are available to achieve stepless displacement adjustment, adapting to different load and speed requirements.
-Typical control modes: constant pressure regulation (pressure compensation), power matching, etc.
3. Efficient design
-Adopting an inclined axis structure, the volumetric efficiency is as high as ≥ 95%, with excellent mechanical efficiency and reduced energy loss.
-Optimize the design of the plunger group to reduce friction and noise.
4. Durability
-Reinforced bearing and sealing design, long service life, suitable for heavy-duty conditions.
-Compatible with various hydraulic oils (mineral oil, bio oil, etc.), compliant with ISO VG 46-68 viscosity standards.
5. Installation and Interface
-Flange installation (ISO or SAE standard), with optional flat keys or splines on the shaft end (such as SAE J744).
-Integrated oil replenishment valve and flushing valve options enhance system reliability.
Typical applications
-Construction machinery: excavator walking drive, concrete pump truck rotating mechanism.
-Mining equipment: rock drills, conveyor belt drives.
-Ship: propulsion system, winch power.
-Industrial hydraulics: injection molding machines, press machines, and other high torque applications.
Summary of Advantages
-Flexible adjustment: Variable design optimizes system energy efficiency.
-High power density: Provides high torque output in a compact size.
-Reliable and durable: adaptable to harsh working conditions, with low maintenance requirements.
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