Rail Cutting Machine
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A rail cutting machine is an indispensable piece of track maintenance equipment in modern railway construction, maintenance, and emergency repair operations. Also known as a rail cutting saw or abrasive wheel-type rail cutter, it employs a toothless sawing principle, driving a high-speed rotating abrasive wheel to cut the rail through an oscillating motion along a specific trajectory. It features fast cutting speed, high precision, and excellent cut surface quality, meeting the cutting needs of rails of various specifications.
Depending on the power source, rail cutting machines can be classified into internal combustion, electric, hydraulic, and lithium battery types, among others. They are suitable for various scenarios such as ordinary railways, high-speed railways, subways, municipal rail transit, and industrial tracks, and are widely used in track laying, rail replacement, damaged section removal, length adjustment, and emergency repairs. Their cutting efficiency and quality directly affect the progress of railway projects and the safety and stability of line operations.
As a professional railway maintenance equipment manufacturer, AGICO GROUP supplies a full range of rail cutting machines and related railway tools. Our products cover multiple power models and are compatible with various rail types including 43kg/m, 50kg/m, 60kg/m, and 75kg/m. Our equipment offers advantages such as user-friendly operation, strong adaptability, and low wear, and incorporates ergonomic designs equipped with damping devices and protective covers to ensure operational safety and comfort.
AGICO Abrasive Rail Cutting Machine Models
| Parameter / Model | NQG-5III Internal Combustion | K1270R Portable Internal Combustion | QG-4II Electric Abrasive |
|---|---|---|---|
| Drive Mode | Internal Combustion Engine | Internal Combustion Engine | Electric Motor |
| Engine/Motor & Power | Honda GX200 / 4.8 kW | Two-stroke gasoline engine / 5.8 kW | Y112M-2 / 3.0 or 4.0 kW |
| Cutting Wheel Size | 400 × 32 × 4 mm | φ350 × φ25.4 × 3.8 / 4.2 mm | φ400 × φ32 × 4 mm |
| Spindle Speed | Not specified | 5100 ± 100 rpm | 3060 / 3080 rpm |
| Cutting Wheel Linear Speed | ≥80 m/s | 100 m/s | ≥70 m/s |
| Cutting Time (60kg/m rail) | ≤120 seconds | ≤120 seconds | ≤120 seconds |
| Cutting Accuracy | Meets railway industry standards | Perpendicularity deviation ≤ 0.40mm | Not specified |
| Total Weight | 45 kg | 28 kg | 54 kg / 64 kg |
| Dimensions (mm) | 670 × 600 × 510 | 850 × 480 × 500 | Not specified |
| Core Features & Advantages | Best-selling, modular double-swing structure, universal parts for easy maintenance | Extremely portable, quick detachment for easy carrying | Electric drive, zero emissions, low noise, safe & eco-friendly |
| Primary Application Scenarios | Major overhaul, maintenance & emergency repairs in field environments without power | Broken rail repair on seamless lines, rail welding factories, situations requiring extreme portability | Line overhaul & maintenance, environments sensitive to noise & emissions (tunnels, urban areas) |
NQG-5III Internal Combustion Rail Cutting Machine
K1270R Portable Internal Combustion Rail Cutting Machine
QG-4II Electric Abrasive Rail Cutting MachineNQG-5III Internal Combustion Rail Cutting Machine
This is AGICO's flagship best-selling model, known for its balanced performance and reliability. It features a high-quality Honda gasoline engine and holds both CRCC and CE certifications, making it a common choice for standard railway permanent way operations. Its modular double-swing structure is robust and relatively portable. With base rollers, it can be moved flexibly both on tracks and roads. As a cable-free device, it operates reliably in various harsh weather conditions and field environments without electricity. The use of universal parts also makes maintenance very convenient.
K1270R Portable Internal Combustion Rail Cutting Machine
This newly upgraded model achieves the ultimate in portability, with a total weight of only 28 kg. Its clever design allows the main unit and the quick-clamping rail assembly to be separated, enabling easy carrying and placement on the rail by a single person. It is particularly suitable for situations requiring rapid response and frequent relocation, such as emergency repairs of broken rails on seamless lines. While ensuring fast cutting speed (≤120 seconds), it provides clear cutting accuracy specifications (perpendicularity ≤ 0.40mm), achieving a balance between lightweight design and high performance.
QG-4II Electric Abrasive Rail Cutting Machine
This is the preferred choice for focusing on environmental protection and operational safety. Electric motor drive fundamentally avoids the exhaust emissions and explosion risks associated with internal combustion engines while significantly reducing noise. It is especially suitable for use in enclosed or sensitive environments such as subway tunnels, urban areas, or indoors. It incorporates multiple safety features, including a protective guard, an overheating protection system, and an emergency stop switch. Its innovative "toothless saw" swing mechanism reduces the contact length between the cutting wheel and the rail, effectively improving grinding wheel utilization and work efficiency.
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Contact us for product catalogSelection Guide Summary
You can make a quick choice based on the following points:
- Pursuing comprehensive performance and reliability for routine field maintenance: Choose the NQG-5III.
- Needing ultimate portability for emergency repairs or frequent site changes: Choose the K1270R.
- Working in environments with strict requirements on noise and emissions (e.g., tunnels, urban areas): Choose the QG-4II.
Accessories and Consumables Ecosystem
Specialized grinding wheels: Premium brown alumina with reinforced resin bond, 40% more efficient than standard wheels.
Extended service life: Single wheel completes 12–15 cuts on 60kg/m rail.
Safety certified: ISO603 tested, maximum working linear speed of 80m/s.
Complete specifications: Full range of φ350, φ400, φ450mm sizes.
Maintenance Kits
Quick repair toolkit: Includes frequently replaced seals, bolts, and other wear parts.
Specialized lubricants: Long-lasting grease specifically formulated for rail cutting conditions.
Precision calibration tools: Ensure equipment maintains factory precision standards over time.
Advantages of Rail Cutter
Revolutionary Cutting Efficiency
Industry-leading cutting speed: Utilizing an optimized power transmission system, cutting a standard 60kg/m rail takes only 3–4 minutes, improving efficiency by over 50% compared to traditional equipment.
Quick installation system: Patented clamping device enables secure fixation of the equipment onto the rail within 90 seconds, with no special tools required.
Continuous operation capability: Enhanced cooling system allows the machine to perform over 15 standard cuts consecutively without needing to cool down.
Military-Grade Cutting Precision
Ultra-precise guidance system: Dual linear guides combined with precision ball screws achieve cutting surface perpendicularity error ≤ 0.3mm and flatness of Ra ≤ 12.5μm.
Intelligent depth control: Digital cutting depth preset and display system prevents over-cutting or insufficient cutting.
Vibration suppression technology: Active damping system reduces operational vibration by 70%, ensuring a smooth and precise cutting process.
Unmatched Durability
Extended core component lifespan: Main shaft bearings use Swedish SKF heavy-duty series with a design life of 10,000 hours; gears undergo carburizing and quenching, increasing wear resistance by threefold.
Full-condition adaptability: Equipment tested for cold starts at -30°C and continuous operation at +55°C, suitable for various global climate conditions.
Enhanced anti-corrosion treatment: Key structural components undergo triple anti-corrosion treatment (galvanizing + coating + sealing), ensuring long-term use in damp or saline-alkali environments.
Intelligent Operational Experience
Ergonomic design: Operating force reduced by 40%, with adjustable control handle height and angle to suit operators of different statures.
Status Monitoring System (High-end Model): Real-time display of cutting parameters and equipment status, equipped with fault self-diagnosis and early warning functions
Safety interlock protection: Multiple safety protection devices ensure automatic shutdown under abnormal conditions, safeguarding both operators and equipment.
Applications
National Railway Maintenance
AGICO rail cutting machines have become designated suppliers for multiple bureaus under China State Railway Group. During pre-holiday peak travel maintenance periods, our equipment excels:
- Single unit performs 25–30 cuts per day on average.
- 99.2% uptime over 30 days of continuous operation.
- Helps track departments increase track possession time utilization by 35%.
Urban Rail Transit Maintenance
Customized solutions for subway overnight maintenance windows (typically only 3–4 hours):
- Low-noise models meet urban environmental requirements.
- Quick setup reduces preparation time.
- High-efficiency cutting ensures more work completed within limited windows.
Railway Emergency Response
AGICO emergency repair kits feature:
- Rapid deployment within 10 minutes.
- All-weather operational reliability.
- Integrated emergency lighting and safety warning system.
- Proven critical performance in multiple major railway accident repairs.
Overseas Railway Projects
Our equipment exports to 56 countries worldwide, offering:
- Safety certifications compliant with local standards (CE, ISO, etc.).
- Reinforced models for tropical, frigid, plateau, and other special environments.
- Multilingual interfaces and training materials.
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Why Choose Us?
Advanced Manufacturing, Reliable Quality
Utilizes intelligent human-machine engineering design, equipped with automated production lines and precision testing equipment to ensure stable and reliable product performance. All product lines are ISO9001 certified and comply with railway industry standards, with the capability for scaled rapid delivery.
In-Depth R&D, Safety & Intelligence
A professional engineering team continuously optimizes products, integrating status monitoring, fault self-diagnosis, and multiple safety protection systems (including emergency lighting and automatic shutdown), delivering a more precise, durable, and safe operational experience.
Comprehensive Services, Flexible Partnerships
Offers a 24-month warranty on main units and a 36-month warranty on core components, supported by 12 global spare parts centers for rapid response. Provides a multilingual three-tier training system and supports various partnership models including direct purchase, financial leasing, and trade-in programs.






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