A6VM motor

The A6VM motor is a variable - displacement axial - piston motor with a bent - axis structure, mainly produced by Bosch Rexroth. Here is an introduction to it:

Structural features

1. Axial - piston bent - axis structure: The piston is arranged diagonally to the drive shaft. This structure enables the motor to withstand high pressures and provides a large displacement adjustment range.

2. Spherical - oil - distribution method: It adopts a spherical - oil - distribution method, which has the advantages of high volumetric efficiency and stable and reliable working efficiency.

Working principle

The drive shaft drives the cylinder block to rotate. Under the action of the pressure difference between the high - pressure side and the low - pressure side of the hydraulic oil, the pistons reciprocate in the cylinder bores. The reciprocating motion of the pistons drives the cylinder block to rotate, and then the drive shaft rotates to output torque and speed. By changing the angle of the swash - plate, the stroke of the pistons changes, thereby changing the displacement of the motor and realizing variable - displacement control.

Technical characteristics

1. High pressure resistance: The rated pressure can reach 400 bar, and the maximum pressure can reach 450 bar, which is suitable for high - pressure hydraulic systems.

2. Wide speed range: The maximum speed can reach more than 5000 r/min, and the speed range is wide, which can meet the requirements of different working conditions.

3. Large torque output: The output torque increases with the increase of the pressure difference between the high - pressure side and the low - pressure side of the motor and the increase of the displacement of the motor.

4. Compact structure: The power - to - weight ratio is large, and the structure is compact. The volume and weight are small under the same power output.

Application scenarios

A6FM motor is widely used in various fields such as engineering machinery, lifting and transportation machinery, construction machinery, ships, mines, and metallurgy. For example, in excavators, it is used for the rotation of the turntable and the boom - lifting mechanism; in concrete mixer trucks, it is used to drive the rotation of the mixing drum; in ships, it is used for deck machinery such as winches and cranes.

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