CITICIC is the casting & forging center in central-south China, possessing 50t electric arc furnace, 60t LF ladle refining furnace, and 60t VD/VOD refining furnace, etc. We can pour 350t liquid steel one time and yields more than 200,000t of high quality liquid steel and can produce the high quality steel of more than 260 steel grades such as carbon steel, structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting, gray casting, graphite cast iron and non-ferrous casting is 200t, 30t, 20t and 205t separately.
Features:
Module Range: 10 Module to 70 Module.
Diameter: Min 800mm to16000 mm.
Weight: Max 120 MT single piece.
Three different designs: Fabricated steel - forged ring - rolled plate
Standards / Certificates: • UNI EN ISO • AWS • ASTM • ASME • DIN
Advantages:
- Products with Customers' Designs
- Strong Machining & Heat Treatment Abilities
- Strict Quality Control
- Prompt Delivery
- Experience in Cooperation with Fortune 500 Companies
Process:
Forging / Casting
Normalizing & Tempering-Proof Machining
Quenching & Tempering
Finish Machining (Teeth Grinding)
We can offer you in various process conditions solutions for Many End Markets and Applications
--Mining
--Metallurgy
--Power Generation
--Sugar
--Cement Plant
--Port Machinery
--Oil and natural
--Papermaking
--OEM gear case
--General Industrial
Specifications Of Gear:
No. | Item | Description |
1 | Diameter | ≤15m |
2 | Module | ≤45 |
3 | Material | Cast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel |
4 | Structure From | Integrated, Half to Half, Four Pieces and More Pieces |
5 | Heat Treatment | Quenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering |
6 | Tooth Form | Annular Gear, Outer Gear Ring |
7 | Standard | ISO, EN, DIN, AISI, ASTM, JIS, IS, GB |
Inspection And Test Outline Of Girth Gear:
No. | Item | Inspection Area | Acceptance Criteria | Inspection Stage | Certificates |
1 | Chemical | Sample | Material Requirement | When Smelting | Chemical Composition |
2 | Mechanical | Sample (Test Bar on the Gear Body) | Technical Requirement | After Heat Treatment | Mechanical Properties |
3 | Heat | Whole Body | Manufacturing Standard | During Heat Treatment | Heat Treatment Report |
4 | Hardness | Tooth Surface, 3 Points Per 90° | Technical Requirement | After Heat Treatment | Hardness Teat Report |
After Semi Finish | |||||
5 | Dimension | Whole Body | Drawing | After Semi Finish | Dimension Inspection |
Finish Machining | |||||
6 | Magnetic Power Test (MT) | Tooth Surface | Agreed Standard | After Finish Gear | MT Report |
7 | UT | Spokes Parts | Agreed Standard | After Rough Machining | UT Report |
After Welded | |||||
After Semi Finish | |||||
8 | PT | Defect Area | No Defect Indicated | After Digging | PT Record |
9 | Mark Inspection | Whole Body | Manufacturing Standard | Final Inspection | Pictures |
10 | Appearance Inspection | Whole Body | CIC's Requirement | Before Packing (Final Inspection) | |
11 | Anti-rust | Whole Body | Agreed Anti-rust Agent | Before Packing | Pictures |
12 | Packing | Whole Body | Agreed Packing Form | During Packing | Pictures |
Facilities For Manufacturing Gear Ring:
No | Item | Description |
1 | Smelting & Casting Capability | 40t, 50t, 80t Series AC Electric Arc Furnace We can pour 900t refining liquid steel one time, and achieve vacuum poured 600t steel ingots. We can produce the high quality steel of more than 260 steel grades as carbon steel, structural alloy steel and the structural steel, refractory steel and stainless steel of special requirement. The maximum weight of casting steel, gray casting, graphite cast iron and non-ferrous casting is 600t, 200t, 150t and 20t separately. |
2 | Forging Capability | The only one in the word, the most technologically advanced and the largest |
3 | Heat Treatment Capability | 9×9×15m, 8×8×12m, 6×6×15m, 15×16×6.5m, 16×20×6m, 7×7×17m Series Heat Furnace and Heat Treatment Furnaces φ2.0×30m, φ3.0×5.0m Series Heat Treatment Furnaces |
4 | Machining Capability | 1. ≥5m CNC Heavy Duty Vertical Lathes 12m CNC Double-column Vertical Lathe
2. ≥5m Vertical Gear Hobbing Machines
3. Imported High-precision Gear Grinding Machines
4. Large Boring & Milling Machines |