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Help CenterLarge Gear Ring Used in Wind Turbine Yaw System 4M Module 160 Teeth 30CrMo Material
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Henan San Kuang Machinery Technology Co., Ltd. is a professional manufacturer specialized in large-scale gear rings and slewing drives for heavy industries. Our Large Gear Ring Used in Wind Turbine Yaw System (4M Module, 160 Teeth, 30CrMo Material) is engineered to withstand the harsh operating conditions of wind energy applications. With a factory spanning 10,000–30,000 square meters and a dedicated team of 51–100 employees, we deliver precision components that ensure reliable yaw motion and long service life.
This gear ring is crafted from high-strength 30CrMo alloy steel, offering excellent wear resistance and fatigue strength. The 4M module and 160 teeth design is optimized for torque transmission in medium to large wind turbines, providing smooth rotation and accurate positioning of the nacelle. Our manufacturing process follows strict quality control, with certifications such as ISO9001, ISO14000, and OHSAS18001, ensuring consistent product performance.
Key Features & Technical Specifications
- Material: 30CrMo alloy steel, heat-treated to achieve optimal hardness and toughness.
- Module: 4M, compatible with standard pinion gears for yaw drives.
- Number of Teeth: 160, providing high torque capacity and smooth engagement.
- Precision Grade: Customizable from ISO 7 to ISO 9 according to customer requirements.
- Surface Finish: Available with phosphating, black oxide, or custom painting for corrosion resistance.
- Non-destructive Testing: 100% ultrasonic inspection available upon request.
- Customization: Inner diameter, outer diameter, bolt hole pattern, and keyway can be tailored to your design.
- Application: Specifically designed for wind turbine yaw systems, but also suitable for other slewing mechanisms.
| Parameter | Value | Notes |
|---|---|---|
| Module | 4M | Standard metric module |
| Number of Teeth | 160 | Full tooth profile |
| Pitch Circle Diameter | 640 mm | = Module × Teeth |
| Material | 30CrMo | Alloy steel (Cr-Mo) |
| Hardness Range | 250–320 HB (customizable) | Through-hardened |
| Tolerance Grade | ISO 7–9 | As per customer request |
| Weight (Approx.) | Varies by final dimensions | Contact us for exact weight |
Customer Benefits
- Enhanced Durability: 30CrMo material with proper heat treatment ensures long operational life even under cyclic loads.
- High Torque Transmission: The 4M module and 160 teeth provide excellent load distribution, reducing stress concentration.
- Precision Alignment: Tight tolerances guarantee smooth meshing with pinion gears, minimizing vibration and noise.
- Corrosion Resistance: Optional surface treatments protect against moisture and salt spray in offshore wind farms.
- Customizable Design: We can modify dimensions, mounting holes, and keyways to fit your specific yaw drive system.
- Quality Assurance: Every gear ring undergoes dimensional inspection and material testing. Certificates are provided upon request.
Trust & Reliability
Henan San Kuang Machinery Technology Co., Ltd. has been serving the wind energy sector since 2022, with an annual export value of US$2.5 Million – US$5 Million. Our products are shipped to major ports including Shanghai, Tianjin, Qingdao, and Lianyungang, serving markets across North America, Europe, Asia, and Oceania. We hold multiple quality certifications such as ISO9001, ISO14000, ISO16949, OHSAS18001, and SA8000, reflecting our commitment to quality, environment, and social responsibility.
Our factory is equipped with advanced CNC machining centers, heat treatment furnaces, and inspection equipment. We have a dedicated R&D team that can assist with custom designs. By choosing our gear ring, you benefit from a reliable supply chain, competitive pricing, and on-time delivery. We welcome OEM/ODM inquiries and look forward to a long-term partnership.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity (MOQ) for this gear ring?
A: Our MOQ is typically 1 piece for stock sizes, but we can accommodate small batches for testing. Please contact our sales team for details. -
Q: Can you provide a material certificate for 30CrMo?
A: Yes, we supply mill test certificates (MTC) per EN 10204 3.1 or 3.2 upon request at no extra cost. -
Q: Is the gear ring induction hardened on the tooth surface?
A: Standard product is through-hardened, but we can apply induction hardening or case hardening according to your specifications. -
Q: What is the lead time for custom orders?
A: Typically 30–45 days after confirmation of drawings and payment. For urgent orders, expedited service is available. -
Q: Do you offer non-destructive testing (NDT)?
A: Yes, we offer ultrasonic testing (UT), magnetic particle inspection (MPI), and dye penetrant testing (PT) as optional services. -
Q: Can the gear ring be used for other applications besides wind turbines?
A: Absolutely. It is suitable for any heavy-duty slewing application such as cranes, excavators, and tunnel boring machines, provided the module and tooth count fit. -
Q: How do you ensure the gear ring is free from defects?
A: We follow a strict quality control plan including dimensional inspection, hardness testing, and 100% visual inspection. Samples are kept for traceability. -
Q: What packaging do you use for export?
A: Each gear ring is individually wrapped with anti-rust paper, then packed in a sturdy wooden crate with foam support to prevent movement during transit.
Contact us today for a quotation or technical consultation. Our engineers are ready to support your project from design to delivery.
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