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Rail Grinding Machine

Rail Grinding Machine

Types of Rail Grinding Machines


  • Application: All-round grinding of various types of rails and turnouts.
  • Supported energy types: internal combustion, electric, lithium battery.

A rail grinding machine is a specialized railway track maintenance equipment used to repair rail surface damage. Utilizing high-efficiency grinding technology eliminates wear, cracks, corrugation (wave-shaped wear), and other defects on the rail surface, restoring its smoothness and geometric profile. The track grinding machine is widely used in routine railway maintenance, track restoration, and new rail treatment. It is an essential tool for ensuring the safety and smooth operation of trains.

Through grinding operations, the service life of rails can be effectively extended, the stability of train operations can be improved, and maintenance costs and operational risks can be reduced. AGICO provides a variety of rail grinding machines that can be used for grinding different types of rails and different parts of rails, switches, etc. to meet various railway maintenance needs.

Rail Grinder Effectively Solves Common Issues in Rail Usage

Over time, rails are affected by train pressure, environmental factors, and heavy load, leading to the following issues:

  • Rail head corrugation – This affects the smoothness of train operation, causing noise and vibration.
  • Rolling contact fatigue (RCF) Cracks – These weaken the rail’s strength, increasing the risk of fractures and derailments.
  • Uneven weld joints – These affect the smoothness of train travel and require grinding for repair.
  • Wear at turnouts and crossings – This causes track misalignment, compromising driving safety.
Rail head corrugationRail head corrugation
Rail head flangeRail head flange

Rolling contact fatigue cracksRolling contact fatigue cracks
Uneven weld jointsUneven weld joints

AGICO Rail Grinding Machine Solutions

AGICO provides a variety of high-performance track grinding machines, covers different grinding needs, and is suitable for a variety of rail environments. Our equipment is known for its high efficiency, durability, and easy operation, and can bring significant practical value to customers.

Rail grinding machines for different rail components

  • Rail head grinding machine – Specifically designed for repairing wear and cracks on the rail head, suitable for high-standard tracks such as high-speed rail and subway lines.
  • Turnout grinding machine – Specially designed for grinding the turnout area, ensuring the smoothness and geometric profile meet the required standards.
  • Multi-functional grinding machine – Suitable for grinding various rail components, offering high flexibility and ideal for comprehensive maintenance scenarios.
AG-NGM-4.5 Tiltable rail grinding machine in operationAG-NGM-4.5 Tiltable rail grinding machine in operation
AG-SNGM-180 Portable gasoline powered rail grinding machine in operationAG-SNGM-180 Portable rail grinding machine in operation

Track grinding machines with different power sources

  • Diesel-powered track grinding machine – Suitable for outdoor operations, does not require an external power source and offers strong power.
  • Electric track grinding machine – Low noise and zero emissions, ideal for urban track maintenance.
  • Lithium battery-powered track grinding machine – Lightweight and portable, perfect for flexible operation scenarios, environmentally friendly and efficient.

AGICO Rail Grinding Machine has Outstanding Advantages

  • Efficient grinding: adopts advanced grinding head design, high grinding efficiency, and precision up to 0.1mm.
  • Strong durability: key components are made of high-hardness alloy materials, with long service life and reduced maintenance costs.
  • Easy operation: equipped with an intelligent control system, and simple operation, novices can also quickly get started.
  • Strong adaptability: suitable for various environmental conditions, such as high temperature, high humidity, low temperature, etc., to ensure stable operation of the equipment.

By purchasing AGICO track grinding machines and performing regular rail grinding maintenance, the service life of rails can be significantly extended, reducing replacement costs. At the same time, regularly repairing rail damage can decrease the risk of derailments, ensuring train operation safety. The high-efficiency grinding technology can also greatly shorten maintenance time and improve the efficiency of rail maintenance operations.

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