Open Die Forgings Steel Shafts ,Gear Wheels for Wind Power Systems. Our precision-forged steel shafts and gear wheels are engineered for demanding wind power applications, ensuring high strength, durability, and optimal performance under extreme load and environmental conditions.

Product Features:

• Material Options: 42CrMo4, 18CrNiMo7-6, 20CrNi2Mo, customized alloy and carbon steels.

• Forging Type: Open die forging / Free forging

• Surface Finish: Rough machined or fully machined

• Heat Treatment: Normalizing, Tempering

• Max Weight: Up to 7 tons per piece

• Tolerance: As per customer drawing or international standards

Applications:

• Main shafts for wind turbine generators

• Gear wheels for yaw and pitch drive systems

• Slewing bearings and planetary gear systems

• Transmission components for wind gearboxes

Advantages:

• High mechanical strength and excellent fatigue resistance

• Precise tooth profile and superior gear performance

• Long service life under harsh offshore or onshore conditions

• Certified by ISO 9001, with 100% ultrasonic testing and dimensional inspection

Custom Manufacturing:

We manufacture to customer drawings and specifications, offering complete OEM services for wind power equipment manufacturers, gearbox suppliers, and maintenance contractors.

Frequently Asked Questions (FAQs)

1. What spectrum of weights do your forged components typically fall within? Our forging capabilities accommodate parts weighing from 100 kilograms up to 7 metric tons.

2. Beyond forging, do you also handle thermal processing and material removal? Absolutely, we provide comprehensive in-house heat treatment services, along with both preliminary and final machining operations.

3. Which sectors commonly utilize your manufactured goods? We cater to a diverse range of industries, including wind power, heavy machinery manufacturing, port infrastructure development, power transmission systems, and numerous others.

4. What are the standard timelines for order fulfillment? For items currently in our inventory, the typical lead time is approximately 30 days. For custom-produced orders, the timeframe is generally 40 to 45 days.

5. Could you specify the geographical location of your production facility? Our factory is situated in Changzhou City, which is conveniently located near Shanghai, and we utilize the shipping facilities at the Port of Shanghai.

Request a Quotation

To receive a customized proposal and engineering assessment, we invite you to submit your detailed technical drawings and specific requirements. Our engineering team will promptly review your submission and provide you with a professional quotation and tailored solution.

About CHANGZHOU TIANGONG 

We are a Chinese company with over 30 years of forging experience. Our focus lies in the production of machine free forged products. We take pride in our independent quality assurance laboratory, which ensures that all our products meet our customers’ requirements. 

Our customers and partner value our products and services for 2 reasons: excellence and reliability.

Key figures 

A. Over 30 years professional free forging manufacturing experience

B. The company covers an area of 71,000 square meters

C. The construction area of the production workshop is 12,000 square meters

D. Total number of employees of 158

E. 28 engineering and technical personnel 

F. 59 skilled workers 

G. Annual production capacity is 38,000 tons

H. Steel throughput can reach 56,000 tons

Efficient and reliable solutions for customers

Industrial sector application

We design and manufacture forged parts for all industrial areas applying our experience and unique professionalism and taking the specific requirements of the markets into account. This has led us to become a forging industry leader in all industrial segments and collaborating with leading companies.

A. Wind power generation

B. Port Heavy Machinery

C. Mining

D. Ship Building

E. Chemical industrial

F. Oil industrial

G. Metallurgical industry 

H. Hydraulic industry 

I. Other high-end industrial equipment, gearbox body, parts and etc.

Customized solutions 

Modular processes allow us to engineer a solution for almost every industrial application requiring free forged parts. Our modularity means flexibility, a wide range of options, faster delivery, and most important of all, competitiveness.

All our products and production process have been designed to assure excellent, reliable and long lasting unique mechanical performances, resulting in reduced operating costs and long life.

With a wide range of products and a significant experience gained in most industrial applications, we can also provide complete engineering recommendation for customers.