China Girth Gear for Ball Grinding Mill Rotary Kiln Production

Girth Gear for Ball grinding Mill and Rotary Kiln Production
CITICTIC 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.ItemDescription1Diameter≤15m2Module≤453MaterialCast Alloy Steel, Cast Carbon Steel, Forged Alloy Steel, Forged Carbon Steel4Structure FromIntegrated, Half to Half, Four Pieces and More Pieces5Heat TreatmentQuenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering6Tooth FormAnnular Gear, Outer Gear Ring7StandardISO, EN, DIN, AISI, ASTM, JIS, IS, GB
Inspection And Test Outline Of Girth Gear:
No.ItemInspection AreaAcceptance CriteriaInspection StageCertificates1Chemical
CompositionSampleMaterial RequirementWhen Smelting
After Heat TreatmentChemical Composition
Report2Mechanical
PropertiesSample (Test Bar on the Gear Body)Technical RequirementAfter Heat TreatmentMechanical Properties
Report3Heat
TreatmentWhole BodyManufacturing StandardDuring Heat TreatmentHeat Treatment Report
Curves of Heat
Treatment4Hardness
TestTooth Surface, 3 Points Per 90°Technical RequirementAfter Heat TreatmentHardness Teat ReportAfter Semi Finish Machining5Dimension
InspectionWhole BodyDrawingAfter Semi Finish
MachiningDimension Inspection
ReportFinish Machining 6Magnetic Power Test (MT)Tooth SurfaceAgreed StandardAfter Finish Gear
HobbingMT Report7UTSpokes PartsAgreed StandardAfter Rough MachiningUT ReportAfter WeldedAfter Semi Finish Machining 8PTDefect AreaNo Defect IndicatedAfter Digging
After WeldedPT Record9Mark InspectionWhole BodyManufacturing StandardFinal InspectionPictures10Appearance InspectionWhole BodyCIC's RequirementBefore Packing (Final Inspection) 11Anti-rust
InspectionWhole BodyAgreed Anti-rust AgentBefore PackingPictures12Packing
InspectionWhole BodyAgreed Packing FormDuring PackingPictures
Facilities For Manufacturing Gear Ring:
NoItemDescription1Smelting & Casting Capability40t, 50t, 80t Series AC Electric Arc Furnace
2x150t, 60t LF Ladle Refining Furnace
150t, 60t Series VD / VOD Furnace
20x18m 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.2Forging CapabilityThe 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 (Germany)
Φ12m High Precision Ring Mil
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.3Heat Treatment Capability9x9x15m, 8x8x12m, 6x6x15m, 15x16x6.5m, 16x20x6m, 7x7x17m Series Heat Furnace and Heat Treatment Furnaces
φ2.0x30m, φ3.0x5.0m Series Heat Treatment Furnaces
φ5.0x2.5m, φ3.2x1.5m, φ3.0x5.0m, φ2.0x5m Series Carburizing Furnaces &
Nitriding Furnaces & Quenching Bathes
φ2.0x30m Well Type CNC Electrical Furnaces
Φ3.0x5.0M Horizontal Gas Temperature-differential Furnace
Double-frequency and Double-position Quenching Lathe of Pinion Shaft
The delivery site of the large gear ring of our Vietnamese customer last month: