Specifications
Brand Name :
Tiangong
Certification :
ISO9001, ISO14001,ISO45001
Place of Origin :
Changzhou, China
MOQ :
1
Price :
USD1000-USD2000/piece
Payment Terms :
T/T
Supply Ability :
56000 Tons per year
Delivery Time :
30days
Packaging Details :
Pallet
Model Number :
TG-175
Heat Treatment :
Normalizing and tempering
Transport Package :
Pallet or Customizable
Machining :
Hydraulic Hammers
Surface Finish :
Smooth or Customizable
Advantages :
High strength, excellent fatigue resistance, improved mechanical properties
Type :
Open die forging
Material :
18CrNiMo7-6
Apply :
Wind Power Gear Transmission
Description

Precision 18CrNiMo7-6 Open Die Forgings for Wind Power Sun Gear Transmission


These precision open die forgings are manufactured from high-grade 18CrNiMo7-6 alloy steel, renowned for its excellent hardenability, wear resistance, and core toughness—making it ideal for high-load and long-life gear transmission systems in wind turbines.


Forged using hydraulic hammers and controlled thermal processes, each component features a refined grain structure and enhanced internal integrity. The open die forging process supports large-diameter gear blanks with complex geometries while ensuring mechanical uniformity across critical sections.

Key Features

  • High-Performance Alloy Steel: Forged from 18CrNiMo7-6, known for excellent hardenability, wear resistance, and strength—ideal for critical rotating parts in wind power systems.

  • Open Die Forging Process: Hydraulic hammers (5T–12T) enable precise forging of large gear blanks, ensuring uniform grain flow and low porosity.

  • Enhanced Structural Integrity: Forging ratio ≥ 3.0 helps refine grain structure and improve fatigue resistance under fluctuating loads.

  • Machining-Ready Quality: Excellent dimensional stability and machinability for downstream gear hobbing, shaping, and grinding.


Application Areas

  • Main Gear Drives in Wind Turbine Gearboxes: Suitable for high-torque, high-speed transmission systems in both onshore and offshore turbines.

  • Yaw and Pitch Drive Systems: Used in control gear assemblies that operate under frequent directional changes and load cycles.

  • Renewable Power Installations: Designed for long-life, low-maintenance performance in variable environments, including coastal and extreme climate regions.

Item Details
Product Name Precision 18CrNiMo7-6 Open Die Forgings for Wind Power Gear Transmission
Material Grades - 18CrNiMo7-6 alloy steel engineered for high strength, hardenability, and wear resistance in rotating gear components- Composition optimized for wind turbine gearbox performance
Forging Equipment - Hydraulic Hammers: 5T, 8T, 12T- Supports open die forging of large gear blanks with precision control
Manufacturing Process Raw Material Inspection → Preheating → Open Die Forging → Heat Treatment → Rough Machining → Non-Destructive Testing → Finish Machining (if needed) → Dimensional Inspection → Packaging → Delivery
Forging Ratio ≥ 3.0 — Ensures refined grain structure, high fatigue strength, and directional flow for long-life gear transmission under variable wind loads
Applications - Gear blanks and preforms for main wind turbine gearboxes- Yaw and pitch transmission components in wind energy systems- Suitable for high-torque, cyclically loaded drivetrain assemblies in both onshore and 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 Composition Analysis via Spectrometry- Mechanical Tests: Tensile, Impact, Hardness- Non-Destructive Testing: UT, MT- Dimensional accuracy and surface geometry verified by precision gear metrology tools


Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears

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Precision 18CrNiMo7-6 Open Die Forgings Customizable Open Forging Process For Umbrella Gears

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Brand Name :
Tiangong
Certification :
ISO9001, ISO14001,ISO45001
Place of Origin :
Changzhou, China
MOQ :
1
Price :
USD1000-USD2000/piece
Payment Terms :
T/T
Contact Supplier
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears
Precision 18CrNiMo7-6 Open Die Forgings  Customizable Open Forging Process For Umbrella Gears

Changzhou Tiangong Forging Co., Ltd.

Verified Supplier
1 Years
jiangsu, changzhou
Since 1994
Business Type :
Manufacturer, Exporter, Seller
Total Annual :
27.5 million -28 million
Employee Number :
135~150
Certification Level :
Verified Supplier
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