The Role of Hard Tooth Flank Helical Gears in High-Speed Train Locomotives
High-speed train locomotives require gears that can endure extreme operational conditions while maintaining smooth and efficient performance. Hard tooth flank helical gears are the optimal solution for these applications, thanks to their exceptional strength, precision, and ability to handle high loads and speeds. These gears are specifically engineered to minimize noise and vibration, enhancing passenger comfort while ensuring the reliability of high-speed rail systems. Their robust design also reduces the need for frequent maintenance, making them a critical component for the longevity and dependability of modern locomotives.
Specfication
| Gear Basic Data | |
|---|---|
| Gear Tooth Shape | involute |
| Gear Material | 17CrNiMo6 |
| Gear Process | forging, lathing, hobbing, carburizing, external grinding, tooth grinding |
| Pressure Angle | 20° |
| Quality level | DIN 3962 Class 6 |
| Gear Type | Mn=4, Z=132, β=18° |
CAPABILITIES OF GEAR/ SPLINE
| INTERNAL GEARS AND INTERNAL SPLINES | |||
|---|---|---|---|
| MILLING | SHAPING | TOOTH GRINDING | |
| Maximum O.D. | 2500 mm | 2500 mm | 2500 mm |
| Minimum I.D. | 650 mm | 50 mm | 100 mm |
| Maximum Face Width | 500 mm | 500 mm | 500 mm |
| Maximum Diametral Pitch | D.P. 1 | D.P. 1 | DP 0.5 |
| Maximum Module | 26 mm | 26 mm | 45 mm |
| AGMA Level/ DIN Level | DIN Class 8 | DIN Class 8 | DIN Class 4 |
| Tooth Surface Finishing | Ra 3.2 | Ra 3.2 | Ra 0.6 |
| Maximum Helix Angle | ±22.5° | ±22.5° | ±45° |
| EXTERNAL GEARS AND EXTERNAL SPLINES | |||
| HOBBING | MILLING | TOOTH GRINDING | |
| Maximum O.D. | 1250 mm | 2500 mm | 2500 mm |
| Minimum O.D. | 20 mm | 200 mm | 20 mm |
| Maximum Face Width | 500 mm | 500 mm | 1480 mm |
| Maximum Diametral Pitch | D.P. 1 | D.P. 1 | DP 0.5 |
| Maximum Module | 26 mm | 26 mm | 45 mm |
| AGMA Level/ DIN Level | DIN Class 8 | DIN Class 8 | DIN Class 4 |
| Tooth Surface Finishing | Ra 3.2 | Ra 3.2 | Ra 0.6 |
| Maximum Helix Angle | ±45° | ±45° | ±45° |
FMP Company: Your Partner for High-Quality Locomotive Gears
FMP Company is a leading manufacturer of hard tooth flank helical gears for high-speed train locomotives, offering a diverse range of gear types designed to meet the rigorous demands of the rail industry. Our gears are crafted to the highest standards, ensuring peak performance and durability in even the most challenging environments. We also provide custom gear manufacturing to accommodate unique specifications. If the gear model you require isn’t listed in our product catalog, it simply means we haven’t uploaded it yet—rest assured, we can still meet your needs. Please email us with your requirements, and our skilled engineers will respond within 24 hours to help you find the ideal gear solution for your locomotive.
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