Front distance ring - Wind turbine flange

This product is used in the wind power industry and is located at the blade part of the wind turbine head. Its function is to fix the position of the oil seal and bearing. It is forged into a 45 # integral shape, and after rough machining, heat treatment, secondary rough machining, surface destruction, precision machining, drilling and cleaning, tapping and other processes, the final product is produced.

product details

Product Introduction

1. Manufacturing standard: GB3077-2015;

2. Pressure level:

3. Product Material: 45#

4. Production process: forging, roughing, heat treatment, finishing, boring and washing, tapping.

5. Product features: Strong acid and alkali resistance, high temperature resistance, long service life, smooth surface, beautiful appearance, high surface hardness

6. Scope of application: Wind power.

The Front Distance Ring is a mission-critical forged steel component engineered specifically for wind turbine hub assemblies. Strategically positioned at the blade root interface within the nacelle, its primary function is to precisely locate and securely anchor both the main bearing and associated oil seals – a vital role in ensuring long-term drivetrain integrity and preventing lubricant ingress/egress.

Manufactured to exacting standards from monolithic 45# steel forgings, this component undergoes a rigorous multi-stage precision machining process. This includes controlled heat treatment for optimal material properties, followed by sequential roughing, finishing, and dedicated surface enhancement treatments. Final operations encompass precision drilling, milling, and tapping to achieve the stringent dimensional tolerances and surface finishes required for flawless integration and reliable performance under the demanding cyclical loads and harsh environmental conditions inherent in wind energy operations.