Rexroth A10VG axial piston hydraulic pump for Terex paver 1563 1731-1894 1734-1252 1731-1578 1734-1308 41111612

The Rexroth A10VG is a swashplate-design, axial piston variable displacement pump specifically engineered for closed-circuit hydrostatic transmissions. In a Terex paver, hydrostatic drives are critical for controlling both the main propulsion (tracks or wheels) and the high-torque conveyor and auger systems.

The Role of Closed-Circuit Hydraulics

Unlike open-circuit systems, where fluid returns directly to a reservoir, a closed-circuit system routes the return fluid from the hydraulic motor straight back to the pump inlet. This layout provides:

Precise Speed Control: Essential for a paver to maintain a perfectly uniform speed, preventing ripples in the asphalt mat.

Reversible Operation: Dynamic control over forward and reverse movements without needing complex directional valves.

Higher Efficiency: Minimal energy loss, translating to better fuel economy for the overall machine.

Key Specifications of the A10VG Series

Depending on the specific model of your Terex paver, the A10VG pump is typically utilized in sizes ranging from A10VG28 to A10VG63. It operates at nominal pressures up to 300 bar (4350 psi) and peak pressures reaching 350 bar, providing the immense force required to move heavy machinery over challenging sub-bases.

Why Terex Integrates Rexroth A10VG Technology

Terex designs its paving equipment to withstand extreme heat, heavy loads, and abrasive asphalt dust. The choice of the Rexroth A10VG pump aligns perfectly with these demanding operational requirements.

Proportional Control and Paving Accuracy

Asphalt paving requires micro-adjustments. If a paver jerks or changes speed abruptly, the screed will leave marks on the road. The A10VG features advanced control options, such as the EP (electric proportional control) and HW (hydraulic proportional control, mechanical servo). These allow the Terex control system to smoothly ramp speeds up or down, ensuring a flawless asphalt finish.

Compact Power Density

Space inside a paver's engine compartment is at a premium. The axial piston swashplate design of the A10VG packs immense hydraulic pressure into a relatively small footprint. Furthermore, it features a through-drive capability, allowing auxiliary pumps (like those for the screed vibrators or tamper bars) to be mounted directly to the back of it.

Real-World Applications: The A10VG in Action

To understand the impact of this pump, let’s look at how it functions across different systems within a Terex paver.

Example 1: Consistent Track Propulsion

Imagine a Terex crawler paver pushing a fully loaded dump truck up a slight incline. The Rexroth A10VG pump senses the load increase through its integrated pressure override controls. It automatically adjusts the swashplate angle to maintain the exact ground speed set by the operator, ensuring the asphalt mat thickness remains uniform.

Example 2: High-Load Auger Feed

The augers must constantly move dense, hot-mix asphalt across the width of the screed. If the mix piles up, resistance increases. The A10VG pump dedicated to the feed system responds instantly to these resistance changes, delivering the exact torque required to prevent stalls.

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Q1: What are the most common signs of a failing Rexroth A10VG pump?

A1: The most frequent indicators include excessive whining or knocking noises (often caused by cavitation or worn bearings), a noticeable loss of travel power when the paver gets hot, and sluggish response times to control inputs.

Q2: Can I replace an A10VG pump myself, or does it require calibration?

A2: While mechanical installation is straightforward, closed-circuit pumps require precise commissioning. The charge pressure, pressure overrides, and neutral position of the swashplate must be calibrated using hydraulic gauges to prevent the paver from "creeping" when it should be stopped.

Q3:What is the price and delivery time of the A10VG hydraulic pump for the Terex paver？

A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.

Q4:How to purchase a Terex paver hydraulic pump?

A4:You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.