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The Internal Combustion Turnout Grinding Machine NCM-4.9 is a specialized tool for railway turnout maintenance, engineered to solve issues like uneven rail surfaces, excessive wear, and noise caused by long-term turnout use.
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Powered by a high-efficiency internal combustion engine, it delivers consistent grinding performance to restore turnout smoothness, extend turnout lifespan by 30–50%, and enhance train passing safety. Unlike generic grinding machines, it is tailored to the complex structure of turnouts (e.g., switch rails, frog rails) and features a compact design for easy maneuvering in tight turnout spaces. Key selling points include adjustable grinding depth, fuel-efficient operation, and a user-friendly control panel—making it ideal for both regular maintenance and emergency turnout repairs.
• Precision Control: Equipped with a micro-adjustable grinding head (0.1mm increments), it targets uneven areas on switch rails and frog rails without damaging adjacent components. This ensures the turnout surface meets railway industry flatness standards (≤0.3mm deviation).
• Versatile Adaptability: It fits most common turnout types (e.g., 12#、18# turnouts) and can grind both straight and curved turnout sections, eliminating the need for multiple specialized machines.
• Continuous Operation: A 15L fuel tank provides up to 8 hours of continuous grinding—enough to complete maintenance on 3–4 turnouts per workday, reducing downtime for railway lines.
• Portability: Weighing only 180kg, it can be transported by a small truck and moved manually by 2–3 operators, even in areas with limited access (e.g., railway embankments).
• Safety Protection: It includes a heat shield (to prevent burns from hot grinding heads) and a dust suppression system (reducing airborne metal particles) to protect operators’ health.
• Easy Maintenance: The engine and grinding head are designed for quick disassembly, allowing technicians to replace worn parts (e.g., grinding wheels) in less than 30 minutes.
The Internal Combustion Turnout Grinding Machine NCM-4.9 is widely used in:
• Passenger and freight railway turnouts (reducing noise and vibration for passenger comfort and cargo stability);
• Urban rail transit (e.g., subway, light rail) connection line turnouts (adapting to frequent start-stop operations);
• Old turnout renovation projects (restoring worn turnouts to near-new condition instead of costly replacements);
• Railway lines in suburban or rural areas (where electric power access is limited, making internal combustion power more practical).
How long does it take to grind one turnout?
For a standard 12# turnout in moderate wear condition, the grinding process takes 45–60 minutes (including setup and inspection). For heavily worn turnouts, it may take 90 minutes, but this is still 50% faster than manual grinding.
What type of fuel does it use?
It is compatible with No. 92 gasoline (or equivalent) and meets Euro V emission standards, making it suitable for use in environmentally regulated areas (e.g., urban suburbs).
Do operators need professional training to use this machine?
Basic training (1–2 days) is recommended. The control panel uses intuitive icons (instead of complex codes) and includes a safety lock (preventing accidental startup). We also provide a detailed operation manual and online training videos for reference.
Can it grind turnouts in rainy weather?
It is not recommended for use in heavy rain (to avoid engine water damage). However, it can operate in light rain with the optional waterproof cover (sold separately), which protects the engine and electrical components from moisture.
Powered by a high-efficiency internal combustion engine, it delivers consistent grinding performance to restore turnout smoothness, extend turnout lifespan by 30–50%, and enhance train passing safety. Unlike generic grinding machines, it is tailored to the complex structure of turnouts (e.g., switch rails, frog rails) and features a compact design for easy maneuvering in tight turnout spaces. Key selling points include adjustable grinding depth, fuel-efficient operation, and a user-friendly control panel—making it ideal for both regular maintenance and emergency turnout repairs.
• Precision Control: Equipped with a micro-adjustable grinding head (0.1mm increments), it targets uneven areas on switch rails and frog rails without damaging adjacent components. This ensures the turnout surface meets railway industry flatness standards (≤0.3mm deviation).
• Versatile Adaptability: It fits most common turnout types (e.g., 12#、18# turnouts) and can grind both straight and curved turnout sections, eliminating the need for multiple specialized machines.
• Continuous Operation: A 15L fuel tank provides up to 8 hours of continuous grinding—enough to complete maintenance on 3–4 turnouts per workday, reducing downtime for railway lines.
• Portability: Weighing only 180kg, it can be transported by a small truck and moved manually by 2–3 operators, even in areas with limited access (e.g., railway embankments).
• Safety Protection: It includes a heat shield (to prevent burns from hot grinding heads) and a dust suppression system (reducing airborne metal particles) to protect operators’ health.
• Easy Maintenance: The engine and grinding head are designed for quick disassembly, allowing technicians to replace worn parts (e.g., grinding wheels) in less than 30 minutes.
The Internal Combustion Turnout Grinding Machine NCM-4.9 is widely used in:
• Passenger and freight railway turnouts (reducing noise and vibration for passenger comfort and cargo stability);
• Urban rail transit (e.g., subway, light rail) connection line turnouts (adapting to frequent start-stop operations);
• Old turnout renovation projects (restoring worn turnouts to near-new condition instead of costly replacements);
• Railway lines in suburban or rural areas (where electric power access is limited, making internal combustion power more practical).
How long does it take to grind one turnout?
For a standard 12# turnout in moderate wear condition, the grinding process takes 45–60 minutes (including setup and inspection). For heavily worn turnouts, it may take 90 minutes, but this is still 50% faster than manual grinding.
What type of fuel does it use?
It is compatible with No. 92 gasoline (or equivalent) and meets Euro V emission standards, making it suitable for use in environmentally regulated areas (e.g., urban suburbs).
Do operators need professional training to use this machine?
Basic training (1–2 days) is recommended. The control panel uses intuitive icons (instead of complex codes) and includes a safety lock (preventing accidental startup). We also provide a detailed operation manual and online training videos for reference.
Can it grind turnouts in rainy weather?
It is not recommended for use in heavy rain (to avoid engine water damage). However, it can operate in light rain with the optional waterproof cover (sold separately), which protects the engine and electrical components from moisture.
