Model NO.: Casted Gear Wheel
ISO 9001:: 2008 Certificated: BV & SGS Certificated
Manipulate Way: Forced Manipulation
Changes Way: Stepped
Module: Less Than or Equal to 45
Trademark: citichl
Transport Package: in Container
Specification: Diameter 15m
Origin: China
HS Code: 8414901900
Model NO.: Casted Gear Wheel
ISO 9001:: 2008 Certificated: BV & SGS Certificated
Manipulate Way: Forced Manipulation
Changes Way: Stepped
Module: Less Than or Equal to 45
Trademark: citichl
Transport Package: in Container
Specification: Diameter 15m
Origin: China
HS Code: 8414901900
45 Modules Large Casted Gear Wheel for Large Milling Equipment
Large girth gear can widely apply in different industry sectors including sponge iron plants, steel & cement industry, mining industry, wind mills as well as other industry sectors. The module range is from 10 module to 70 module and the range of minimum diameters is from 100 mm to 15000 mm.
Girth gears features:
Module Range: Â 10 module to 70 module.
The min diameter range: Â 800mm to16000 mm.
The max weight: Â 120 MT single piece
Three different designs: Â Fabricated steel - forged ring - rolled plate
Standards or Certificates: • UNI EN ISO • AWS • ASTM • ASME • DIN
- Products with Customers' DesignsÂ
- Strong Machining & Heat Treatment AbilitiesÂ
- Strict Quality ControlÂ
- Prompt Delivery
- Experience in Cooperation with Fortune 500 CompaniesÂ
Process:Â
Forging/Casting
Normalizing&Tempering-Proof Machinnig
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 Composition | Sample | Material Requirement |
When Smelting After Heat Treatment |
Chemical Composition Report |
| 2 | Mechanical Properties | Sample(Test Bar on the Gear Body) | Technical Requirement | After Heat Treatment | Mechanical Properties Report |
| 3 | Heat Treatment | Whole Body | Manufacturing Standard | During Heat Treatment |
Heat Treatment Report Curves of Heat Treatment |
| 4 | Hardness Test | Tooth Surface, 3 Points Per 90° | Technical Requirement | After Heat Treatment | Hardness Teat Report |
| After Semi Finish Machining | |||||
| 5 | Dimension Inspection | Whole Body | Drawing | After Semi Finish Machining | Dimension Inspection Report |
| Finish Machining | |||||
| 6 | Magnetic Power Test (MT) | Tooth Surface | Agreed Standard | After Finish Gear Hobbing | MT  Report |
| 7 | UT | Spokes Parts | Agreed Standard | After Rough Machining | UT Report |
| After Welded | |||||
| After Semi Finish Machining | |||||
| 8 | PT | Defect Area | No Defect Indicated |
After Digging After Welded |
PTÂ 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 Inspection | Whole Body | Agreed Anti-rust Agent | Before Packing | Pictures |
| 12 | Packing Inspection | 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 2×150t, 60t LF Ladle Refining Furnace 150t, 60t Series VD/VOD Furnace 20×18m Large Pouring Facility 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 specification18500t Oil Press, equipped with 750t.m forging operation machine 8400t Water Press 3150t Water Press 1600t Water Press Φ5m High Precision Ring Mill ( WAGNER,Germany) Φ12m High Precision Ring Mill We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy steel and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. Max. Diameter of rolled ring will be 12m. |
| 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 φ5.0×2.5m,φ3.2×1.5m,φ3.0×5.0m,φ2.0×5m Series Carburizing Furnaces & Nitriding Furnaces & Quenching Bathes φ2.0×30m Well Type CNC Electrical Furnaces Φ3.0×5.0M Horizontal Gas Temperature-differential Furnace Double-frequency and Double-position Quenching Lathe of Pinion Shaft |
| 4 | Machining Capability |
1. ≥5m CNC Heavy Duty Vertical Lathes 12m CNC Double-column Vertical Lathe 10m CNC Double-column Vertical Lathe 10m CNC Single-column Vertical Lathe 6.3m Heavy Duty Vertical Lathe 5m CNC Heavy Duty Vertical Lathe  |
|
2. ≥5m Vertical Gear Hobbing Machines 15m CNC Vertical Gear Hobbing Machine 10m Gear Hobbing Machine 8m Gear Hobbing Machine 5m Gear Hobbing Machine 3m Gear Hobbing Machining | ||
|
3. Imported High-precision Gear Grinding Machines 0.8m~3.5m CNC Molding Gear Grinding Machines | ||
|
4. Large Boring & Milling Machines 220 CNC Floor-mounted Boring & Milling Machine 200 CNC Floor-mounted Boring & Milling Machine 160 CNC Floor-mounted Boring & Milling Machine |
 Testing Process:
· QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
· The data on chemical composition report and mechanical properties report are approved by third party, Luoyang Ship Material Research Institute, CSIC.
· UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
· Heat Treatment Report: provide original copy of heat treatment curve/time table.
Â
45 Modules Large Casted Gear Wheel for Large Milling Equipment
Large girth gear can widely apply in different industry sectors including sponge iron plants, steel & cement industry, mining industry, wind mills as well as other industry sectors. The module range is from 10 module to 70 module and the range of minimum diameters is from 100 mm to 15000 mm.
Girth gears features:
Module Range: Â 10 module to 70 module.
The min diameter range: Â 800mm to16000 mm.
The max weight: Â 120 MT single piece
Three different designs: Â Fabricated steel - forged ring - rolled plate
Standards or Certificates: • UNI EN ISO • AWS • ASTM • ASME • DIN
- Products with Customers' DesignsÂ
- Strong Machining & Heat Treatment AbilitiesÂ
- Strict Quality ControlÂ
- Prompt Delivery
- Experience in Cooperation with Fortune 500 CompaniesÂ
Process:Â
Forging/Casting
Normalizing&Tempering-Proof Machinnig
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 Composition | Sample | Material Requirement |
When Smelting After Heat Treatment |
Chemical Composition Report |
| 2 | Mechanical Properties | Sample(Test Bar on the Gear Body) | Technical Requirement | After Heat Treatment | Mechanical Properties Report |
| 3 | Heat Treatment | Whole Body | Manufacturing Standard | During Heat Treatment |
Heat Treatment Report Curves of Heat Treatment |
| 4 | Hardness Test | Tooth Surface, 3 Points Per 90° | Technical Requirement | After Heat Treatment | Hardness Teat Report |
| After Semi Finish Machining | |||||
| 5 | Dimension Inspection | Whole Body | Drawing | After Semi Finish Machining | Dimension Inspection Report |
| Finish Machining | |||||
| 6 | Magnetic Power Test (MT) | Tooth Surface | Agreed Standard | After Finish Gear Hobbing | MT  Report |
| 7 | UT | Spokes Parts | Agreed Standard | After Rough Machining | UT Report |
| After Welded | |||||
| After Semi Finish Machining | |||||
| 8 | PT | Defect Area | No Defect Indicated |
After Digging After Welded |
PTÂ 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 Inspection | Whole Body | Agreed Anti-rust Agent | Before Packing | Pictures |
| 12 | Packing Inspection | 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 2×150t, 60t LF Ladle Refining Furnace 150t, 60t Series VD/VOD Furnace 20×18m Large Pouring Facility 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 specification18500t Oil Press, equipped with 750t.m forging operation machine 8400t Water Press 3150t Water Press 1600t Water Press Φ5m High Precision Ring Mill ( WAGNER,Germany) Φ12m High Precision Ring Mill We can roll rings of different sections of carbon steel, alloy steel, high temperature alloy steel and non-ferrous alloys such as copper alloy, aluminum alloy and titanium alloy. Max. Diameter of rolled ring will be 12m. |
| 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 φ5.0×2.5m,φ3.2×1.5m,φ3.0×5.0m,φ2.0×5m Series Carburizing Furnaces & Nitriding Furnaces & Quenching Bathes φ2.0×30m Well Type CNC Electrical Furnaces Φ3.0×5.0M Horizontal Gas Temperature-differential Furnace Double-frequency and Double-position Quenching Lathe of Pinion Shaft |
| 4 | Machining Capability |
1. ≥5m CNC Heavy Duty Vertical Lathes 12m CNC Double-column Vertical Lathe 10m CNC Double-column Vertical Lathe 10m CNC Single-column Vertical Lathe 6.3m Heavy Duty Vertical Lathe 5m CNC Heavy Duty Vertical Lathe  |
|
2. ≥5m Vertical Gear Hobbing Machines 15m CNC Vertical Gear Hobbing Machine 10m Gear Hobbing Machine 8m Gear Hobbing Machine 5m Gear Hobbing Machine 3m Gear Hobbing Machining | ||
|
3. Imported High-precision Gear Grinding Machines 0.8m~3.5m CNC Molding Gear Grinding Machines | ||
|
4. Large Boring & Milling Machines 220 CNC Floor-mounted Boring & Milling Machine 200 CNC Floor-mounted Boring & Milling Machine 160 CNC Floor-mounted Boring & Milling Machine |
 Testing Process:
· QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
· The data on chemical composition report and mechanical properties report are approved by third party, Luoyang Ship Material Research Institute, CSIC.
· UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
· Heat Treatment Report: provide original copy of heat treatment curve/time table.
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