China Gear Ring for Rotary Kilns Dryers

With 30-year rich industry experience and knowledge, we have earned specialization in manufacturing and supplying superior quality Large Gears. These are fabricated in conformity with defined industry standards, these compact and sturdy gears have standard working speed and torque measurement. The offered range is widely acknowledged by the customers for features like optimum performance, robust construction and longer life. These precision engineered gears are widely demanded across varied industries, where large gear reduction is required.



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 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.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 Machining6Magnetic Power Test (MT)Tooth SurfaceAgreed StandardAfter Finish Gear HobbingMT Report7UTSpokes PartsAgreed StandardAfter Rough MachiningUT ReportAfter WeldedAfter Semi Finish Machining8PTDefect 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 PackingPictures 12Packing InspectionWhole BodyAgreed Packing FormDuring PackingPictures

Facilities For Manufacturing Gear ring:

No.ItemDescription1Smelting & Casting Capability
40t ,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 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
600t 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.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 Shaft4Machining Capability1. ≥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 Machining3. imported High-precision Gear Grinding Machines
0.8m~3.5m CNC Molding Gear Grinding Machines4. 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.