Changzhou Tiangong Forging Co., Ltd.
Changzhou Tiangong Forging Co., Ltd.
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Our Precision Alloy Steel Forged Gear for Wind Turbine Gearbox Application is engineered to deliver exceptional performance and durability in harsh wind power environments. Manufactured using high-grade alloy steels such as 18CrNiMo7-6 and 42CrMo4, this forged gear offers superior hardness, wear resistance, and load-bearing capacity—making it ideal for main drive, yaw, and pitch gearboxes in both onshore and offshore wind turbines.
With advanced forging and heat treatment processes, each gear maintains optimal microstructure integrity and dimensional accuracy, ensuring long-term reliability and minimal maintenance. Ultrasonic testing (UT), magnetic particle inspection (MPI), and other non-destructive tests are performed to meet international quality standards.
| Item | Details |
|---|---|
| Product Name | Precision Alloy Steel Forged Gear for Wind Turbine Gearbox Application |
| Material Grades | - Alloy Steels: 18CrNiMo7-6, 42CrMo4- All grades meet wind power transmission requirements |
| Forging Equipment | - Hydraulic Hammers: 5T, 8T, 12T - Open die forging for large gear blanks |
| Manufacturing Process | raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery |
| Forging Ratio | ≥ 3.0 — Provides grain refinement, structural uniformity, and load resistance ideal for wind gearbox operation |
| Applications | - Main transmission gears for wind turbine gearboxes - Yaw and pitch drive gears - Precision powertrain components for onshore/offshore turbines |
| Delivery Conditions | - Normalizing + Tempering to enhance toughness, stabilize structure, and ensure dimensional consistency under hydraulic pressure - Optional soft annealing for improved machinability based on downstream processing requirements |
| Testing & Inspection | - Chemical Analysis: Optical Emission Spectrometry - Mechanical Tests: Tensile , Charpy Impact - Hardness: HRC/HB - NDT: UT , MT - specialized gear measuring instruments |
Key Features:
Material options: 18CrNiMo7-6, 42CrMo4, and more
Gear types: helical, spur, and customized profiles
Surface treatment: case hardening, quenching, tempering
Precision machining with CNC for high accuracy
Applications: wind turbine main gearbox, yaw & pitch systems
Application Industries:
Onshore and offshore wind energy
Renewable power generation systems
We provide custom forging solutions to match your specific gearbox requirements. Contact us to learn more about our wind power forging capabilities.
Process flow:
raw material inspection → unloading → inspection → preheating → forging → heat treatment → inspection → rough machining → non-destructive testing → inspection → packaging → delivery.
Frequently Asked Questions (FAQs)
1. What is your forging weight range?
We produce forged parts ranging from 100 kg to 7000 kg.
2. Do you provide heat treatment and machining?
Yes, we offer full in-house heat treatment, rough, and finish machining services.
3. Which industries do you supply to?
We serve wind energy, heavy equipment, port machinery, transmission systems, and more.
4. What is your production lead time?
With stock: Around 30 days
Without stock: 40–45 days
5. Where is your factory located?
In Changzhou City, near Shanghai, with shipping via Shanghai Port.
Request a Quote
Please send your technical drawings and requirements to us. Our engineers will review and provide you with a professional quotation and solution shortly.