Rail Grinding Wheel

Rail Grinding Wheel Professional in Grinding Wheel production since 1996

23/04/2026

Loram RG400 Rail Grinder

The Loram RG400 is a high-performance, self-propelled rail grinding vehicle designed for heavy-duty railway track maintenance. It restores rail profile, eliminates surface defects, reduces friction and extends the service life of railway infrastructure for mainline and heavy-haul routes.

Key Tech Spec

- Operating grinding speed: 5 – 32 km/h
- Transit travel speed: Up to 100 km/h
- Grinding motor power: 22.4 kW (30 HP) per unit
- Total grinding head quantity: 60 to 120 units (modular expandable)
- Rail grinding angle range: Up to 100°
- Minimum curve radius (grinding): 110 m
- Maximum gradient capability: 4%
- Onboard generator total power: Up to 4.3 MW
- Track gauge compatibility: 1000 mm – 1600 mm
- Designed for heavy-haul, transit and main line railway operation

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Rail Grinder Library
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14/04/2026

Plasser & Theurer Rail Welding Robot APT 1500 R

A world first, Plasser & Theurer’s fully automatic APT 1500 R rail welding robot marks a major technological breakthrough. Developed from the company’s decades of flash-butt welding expertise, user needs and the European standard EN 1587-2, it meets higher demands for welding precision, breaking force and fatigue strength. It complies with EN 14587-2 by separating welding current and rail clamping, and shearing upset metal in the pressure direction.

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

24/03/2026

ICE & FIRE on the Railway

The thermal expansion and contraction ductility test for railway rails is a combined professional inspection involving laboratory basic mechanical property tests, high and low temperature environmental simulation cycle tests and in-service sampling inspections on rails and their welded joints in accordance with railway industry standards, which corely verifies the plasticty, toughness, deformation resistance and fracture resistance of rails under extreme temperature changes and provides data support for the temperature stress control and safe service of railway lines.

Credit：

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

11/03/2026

Rapid transfer process of railway track

Watching a team lay down precast track components is a reminder that efficiency is the heart of every project. While the workers bring the expertise, the equipment brings the edge. Good tools and machinery make work easy, ensuring that every rapid transfer is not only fast but safe and sustainable.

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

07/02/2026

Rail Track Laying Process

As part of the Regional Rail Link project, new track is being installed over 26 kilometres from Deer Park to West Werribee Junction.

This video shows track being laid in Tarneit, looking west from Derrimut Road (near the location of the new Tarneit railway station).

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

26/12/2025

GCX-1000K Snow Plowing Train

The GCX-1000K Snow Plowing Train is a specialized rail obstacle-clearing equipment developed for high-latitude and severe cold environments (-50℃ to -10℃). Its core purpose is to address obstructions such as snow accumulation, ice buildup, and frozen snow layers on tracks under extremely cold weather conditions. The equipment integrates three core systems—mechanical breaking, thermal snow melting, and intelligent navigation—and is compatible with standard-gauge (1435mm) railways and urban rail lines. It operates stably under harsh working conditions such as sustained low temperatures, strong winds, and blizzards, ensuring the continuity and safety of rail transportation.

• Operating Temperature Range: -50℃ to -10℃ (supports short-term emergency operation at -60℃)
• Wind Resistance Rating: ≤ Level 10 (25 m/s)
• Adaptable Snow Depth: ≤300mm (loose snow), ≤150mm (compacted/frozen snow)
• Adaptable Ice Thickness: ≤50mm (ice layer)
• Altitude Adaptation Range: 0–4500m
• Travel Speed (Unloaded): ≤80 km/h
• Working Speed: 5–25 km/h
• Gradability: ≤30‰ (track gradient)
• Turning Radius: ≥150m (minimum curve passing radius)
• Snow Removal Efficiency: ≥8000 m³/h (loose snow), ≥4500 m³/h (compacted snow), ≥2000 m³/h (frozen snow)
• Ice Breaking Method: Combined mechanical impact and thermal snow melting (front ice-breaking hammer + bottom heating plate)

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

12/12/2025

Highest Rail Bridge In The World

The Chenab Rail Bridge is over Chenab River in India. The structure consists of an approach bridge which is 530 m (1,740 ft) long and a 785 m (2,575 ft)-long deck arch bridge. With a deck height of 359 m (1,178 ft) from the river bed, the arch bridge is the highest rail bridge in the world.

The bridge was constructed at a cost of US$180 million and opened for rail traffic on 6 June 2025

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

05/12/2025

SPENO RR 32 M-3 Rail Grinder

SPENO is a Swiss company, founded in 1928, that invented and remains a global leader in preventive rail grinding technology. It pioneered the "preventive grinding" concept, which significantly extends rail life and reduces long-term costs through regular, minimal reprofiling.Its machines feature modular design, multi-angle grinding motors, and computer-closed-loop control (SCC system) for high-precision, automated operation.

https://www.railgrindingwheel.com

05/11/2025

Train Wheel Reprofiling

Train wheel reprofiling is an essential maintenance process that restores a wheel's optimal shape, which degrades through normal wear. This procedure is critical for safety as it prevents derailment by correcting the wheel profile and fl**ge to ensure secure rail guidance, while also eliminating instability like "hunting" at high speeds. Furthermore, it enhances performance and efficiency by reducing rolling resistance for better fuel economy, extends the lifespan of both the wheels and tracks, and improves ride quality by minimizing vibrations and ensuring a smoother, more comfortable journey for passengers and cargo.

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

29/10/2025

How A Train Wheel Is Made

To produce railway wheels that securely runs mile after mile puts high demands on the manufacturing. It involves a chain including different forming processes, testings and metal cutting with turning tools specially developed for this area. See how it's done!

From: Sandvik Coromant

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Rail Grinder Library
https://www.railgrindingwheel.com/railgrinderlibrary/

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Middle Section Of Yuxinan 1st Road, Xingyang Industrial Cluster Park
Zhengzhou
450100

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+8618618148168

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