Girth Gear for Ball Mill & Rotary Kiln - Up to 16m Diameter, 120 MT Weight, Module 10-70 | Industrial Heavy-Duty Gear
Price:
USD$1-10 PER PC
MOQ:
10000
Delivery Time:
5-8 work days
Brand:
Kingrail
Product Description
Industrial Girth Gear Manufacturing
Kingrail operates advanced casting and forging facilities in central-south China, equipped with 50t electric arc furnace, 60t LF ladle refining furnace, and 60t VD/VOD refining furnace. Our production capacity includes 350t single-pour liquid steel and annual output exceeding 200,000t of high-quality steel across 260+ grades including carbon steel, structural alloy steel, refractory steel, and stainless steel.
Product Specifications
- Module Range: 10 to 70 Module
- Diameter: 800mm to 16,000mm
- Weight: Up to 120 MT single piece
- Design Options: Fabricated steel, forged ring, rolled plate
- Standards: UNI EN ISO, AWS, ASTM, ASME, DIN
Manufacturing Advantages
- Custom designs according to customer requirements
- Comprehensive machining and heat treatment capabilities
- Rigorous quality control systems
- Reliable delivery schedules
- Proven experience with Fortune 500 companies
Production Process
- Forging / Casting
- Normalizing & Tempering - Proof Machining
- Quenching & Tempering
- Finish Machining (Teeth Grinding)
Applications
Mining, Metallurgy, Power Generation, Sugar, Cement Plant, Port Machinery, Oil and Natural Gas, Papermaking, OEM Gear Case, General Industrial
Gear Specifications
| Item | Description |
|---|---|
| Diameter | ≤15m |
| Module | ≤45 |
| Material | Cast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel |
| Structure | Integrated, Half to Half, Four Pieces and More Pieces |
| Heat Treatment | Quenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering |
| Tooth Form | Annular Gear, Outer Gear Ring |
| Standard | ISO, EN, DIN, AISI, ASTM, JIS, IS, GB |
Quality Assurance & Testing
| Item | Inspection Area | Acceptance Criteria | Inspection Stage | Certificates |
|---|---|---|---|---|
| Chemical Composition | Sample | Material Requirement | When Smelting, After Heat Treatment | Chemical Composition Report |
| Mechanical Properties | Sample (Test Bar on Gear Body) | Technical Requirement | After Heat Treatment | Mechanical Properties Report |
| Heat Treatment | Whole Body | Manufacturing Standard | During Heat Treatment | Heat Treatment Report, Curves of Heat Treatment |
| Hardness Test | Tooth Surface, 3 Points Per 90° | Technical Requirement | After Heat Treatment, After Semi Finish Machining | Hardness Test Report |
| Dimension Inspection | Whole Body | Drawing | After Semi Finish Machining, Finish Machining | Dimension Inspection Report |
| Magnetic Power Test (MT) | Tooth Surface | Agreed Standard | After Finish Gear Hobbing | MT Report |
| UT | Spokes Parts | Agreed Standard | After Rough Machining, After Welded, After Semi Finish Machining | UT Report |
| PT | Defect Area | No Defect Indicated | After Digging, After Welded | PT Record |
| Mark Inspection | Whole Body | Manufacturing Standard | Final Inspection | Pictures |
| Appearance Inspection | Whole Body | CIC's Requirement | Before Packing (Final Inspection) | - |
| Anti-rust Inspection | Whole Body | Agreed Anti-rust Agent | Before Packing | Pictures |
| Packing Inspection | Whole Body | Agreed Packing Form | During Packing | Pictures |
Manufacturing Facilities
| Item | Description |
|---|---|
| Smelting & Casting | 40t, 50t, 80t Series AC Electric Arc Furnace, 2×150t, 60t LF Ladle Refining Furnace, 150t, 60t Series VD/VOD Furnace, 20×18m Large Pouring Facility. Maximum casting weight: 600t steel, 200t gray casting, 150t graphite cast iron, 20t non-ferrous casting. |
| Forging Capability | 18500t Oil Press, 8400t Water Press, 3150t Water Press, 1600t Water Press, Φ5m & Φ12m High Precision Ring Mills. Maximum rolled ring diameter: 12m. |
| Heat Treatment | Multiple furnace sizes up to 16×20×6m, various carburizing and nitriding furnaces, double-frequency quenching lathe. |
| Machining Capability | CNC Vertical Lathes (5m to 12m), Vertical Gear Hobbing Machines (3m to 15m), CNC Gear Grinding Machines (0.8m to 3.5m), Large Boring & Milling Machines (160-220 CNC). |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Maanshan Kingrail Technology Co.,Ltd.
Location
Building 1, Cross-border E-commerce Industrial Park, Comprehensive Bonded Zone, Zhengpugang New District, Ma’anshan City, Anhui Province
Contact Person
Amanda