Custom Forged Components
Custom Large Flange Rings, Forged Shafts, Gear Rings, Flanges, and Other Forged Components
LYJW specializes in Custom Forged Components, including forged shafts, gear rings, flanges, and other forged components. Our team brings together senior engineers, experienced production staff, and quality control personnel with more than five years of experience.
We operate from an 80,000 m² modern manufacturing facility equipped with more than 100 sets of advanced equipment. Through our subsidiary, Hengjia Heavy Industry, we are equipped with core forging equipment, including presses up to 8,000 tons and an 8.5-meter ring rolling mill. This allows us to manage the full production chain from forging to finished components.
Our Precision Forging Capabilities
Large Flange Rings
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Heavy-Duty Large Flange Rings for Wind Power, Marine, and Industrial Applications
Outer Diameter (OD) : 500 mm – 8,000 mm (customizable)
Applications
- Wind turbine towers – secure connection of tower sections
- Marine and offshore engineering – flanged connections for piping and structural assemblies
- Heavy machinery – mounting and connection of large components
- Oil and gas pipelines – high-pressure sealing connections
- Pressure vessels – reliable sealing for tanks and reactors
Segmented Gear Rings
Segmented Gear Rings with Split Design for Easier Installation and Maintenance
Outer Diameter (OD) : 500 mm – 15,000 mm (customizable)
Applications
- Large excavators and dredgers
- Rotary kilns and dryers
- Tunnel boring machines (TBMs)
- Stacker-reclaimers and wind turbines
Wind Turbine Main Shafts
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Outer Diameter (OD) : 500 mm – 15,000 mm (customizable)
Precision Machined Shafts
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Precision Machined Shafts with Custom Dimensions, High Strength, and Reliable Performance
Precision Machining: Tolerance as tight as ±0.005 mm for critical applications
Basic Specifications
| Material | Carbon Steel: 30#, 45#, 50# Alloy Steel: 40Cr, 35SiMn, 35CrMo, 42CrMo, Q235, Q345 |
| Standard | DIN, GB, ISO, JIS, BS, ANSI |
| Heat Treatment | Quenching and Tempering Surface Hardening Through Hardening Carburizing and Quenching Tempering Normalizing Nitriding |
| Available Certifications | CCS, ABS, RS, GL, BV, NK |
| Available Test Reports | Material Report; Hardness Report; UT/MT Report; Dimensions Checking Report; Mechanical Property Test Report |
| Manufacturing Process | Forging / Rolling / Cutting – CNC Machining – Heat Treatment |
| Inner Diameter (ID) | Manufactured according to drawings |
Why Choose Us?
- Customized Solutions – Produced according to your drawings and technical specifications.
- Strict Quality Control – 100% dimensional inspection before shipment
- 100% In-House Production – From forged rings to finished flanges and machined components.
- Fast Lead Time – Typically 25–35 days for custom sizes.
Need a specific size or material?
Send us your drawing or technical specification. Our engineering team will review feasibility and provide a quotation within 24 hours.
👉 Contact us now or send an inquiry to get started.
LYJW is a professional manufacturer of slewing bearings and we can design and manufacture slew ring bearings, precision bearings, slew drives and custom bearings for construction, engineering, mining, marine, chemical, military, wind turbine, medical equipment, and many other industries.
By virtue of expertise team, advanced manufacturing technologies and strict quality management system, LYJW takes the lead in the R&D of slewing bearings, which are designed with reasonable construction, light weight, good load carrying capacity and high versatility. The bearings’ diameters range from 200 to 15000mm and the accuracy covers PO, P6 and P5 class. Now, we can manufacture CCS, ABS, BV, GL and other certified bearings.
We adhere to the business principle of “Quality and Integrity” and we’ll keep providing outstanding bearings and superior services to serve global customer.
