Turnout Rail Grinder Wheel 150×77×M20 for Harsco RGH20C Light Rail
- Model
- MRC-L150077
Item specifics
- Category
- Rail Grinder
- Process
- Hot Pressing
- Materials
- luminum Matrix+ Zirconia+ Glass Fiber
- Hardness-Material Identification
- Z/A F16Y5B
- Granularity
- 16 Grit
- Packaging
- Wooden Case
- Certification
- ISO
- Business Model
- Customization
- Heavy Haul Railway
- Axle Load Capacity ≥ 30t
Review
Description
Molaton MRC-L150077 Rail Grinder Wheel Product Description
Molaton MRC-L150077:Flange-Free Direct Mount for High-Frequency Maintenance
The MRC-L150077 features an M20 threaded bore for direct, flange-free mounting on grinding vehicles or auxiliary units with threaded spindles. Designed for high-frequency rail grinding, this wheel reduces wheel change time and ensures durable, reliable performance in specialized applications, thanks to its zirconia-resin composition reinforced with glass fiber.
Molaton MRC-L150077 Rail Grinder Wheel Specifications
Technical Specifications | ||
| Parameter | Value | |
| OD×Thickness×Bore | 150mm×77mm×M20 | |
| Gross Weight | 4.06 kg | |
| Max Speed | 50m/s | |
Abrasive | Zirconia Alumina (ZA) | |
Bond | Resin, Glass Fiber Reinforced | |
Compatible Systems | Harsco RGH20C | |
Certified by Zhengzhou Third Institute of Abrasives and CARS Metallurgical & Chemical Institute; fully compliant with Chinese standards GB/T 2492-2017 (rotational strength), GB 2494-2014 (safety rules), JB/T 7992-2017 (surface defects), JB/T 11431-2020 (resin-bonded wheels), the European bonded-abrasive safety standard EN 12413:2019, and railway-specific specification Q/CR 1-2014. Every batch dynamically balanced for safe operation up to 50 m/s. | ||
Key Features & Benefits
✅ M20 Threaded Arbor: M20 thread for Harsco light-duty grinder heads
✅ Ultra-Thin Finishing: Ultra-thin 77mm for minimal material removal
✅ High Surface Finish: Achieves Ra ≤ 3.2μm surface finish
✅ Micro-Defect Repair: Repairs scratches, pitting, micro-cracks
✅ Urban Rail Optimized: Optimized for metro, light rail, and tram systems
Molaton Rail Grinder Wheel Product Applications
Frequently Asked Questions
Which machines does this wheel fit?
It is matched to Harsco RGH20C turnout grinding vehicles. Please confirm the flange interface or bore against your machine manual before ordering, because the same overall dimensions do not always mean the same wheel.
What is the maximum operating speed?
50 m/s. Always follow your machine manual and never exceed the speed marked on the wheel.
Is this a standard size, and is it in stock?
Yes. This is a standard production size and is held in stock for immediate dispatch. Custom bores, grades and dimensions are produced to drawing, typically in 15 to 30 days.
Which rail defects does this wheel remove?
Corrugation, spalling, shelling, rail head fatigue and gauge corner wear, plus profile restoration in both corrective and preventive grinding passes.












