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High Quality Casting Girth Gear for Ball Mill / Rotary Kiln

Price $50000.00
Min Order 1 Piece
Availability In Stock
Shipping From Henan, China
Popularity 401 people viewed
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Model NO.:
as your requirement
Application:
Machinery, Ball Mill and Rotary Kiln
Hardness:
Hardened Tooth Surface
Gear Position:
External Gear
Manufacturing Method:
Cast Gear
Toothed Portion Shape:
Spur Gear
Material:
Cast Steel
Type:
Circular Gear
Name:
Girth Gear
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:
According technical parameters
Origin:
China
HS Code:
8414901900
Product Description
                High quality casting girth gear for ball mill / rotary kiln  
 


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
--Cement Plant
--Port Machinery
--Oil and natural
--Paper making
--OEM gear case
--General Industrial

SpecificationMachining Scope
SizeOD Max 16m
One Piece of Gear: OD Max 13m
Assemble Gear: According to drawings
Hobbing Modulus10-60
Milling ModulusUp to 120
Spiral Modulus1-15
Accuracy GradeMilling: 6 grade
Hobbing: 8 grade
MaterialAlloy steel: 42CrMo4, 34CrNiMo6 etc.
Carbon steel: C45E, 1030
Carburizing steel
Quenched and tempered steel
Heat treatmentQuenching & Tempering, Surface Quenching
Teeth ProfileSpur, Helical, Herringbone, Crown, Spiral, Worm and shaft 

Inspection and Test Outline of Girth Gear:
No.ItemInspection AreaAcceptance CriteriaInspection StageCertificates
1Chemical CompositionSampleMaterial RequirementWhen Smelting
After Heat Treatment		Chemical Composition Report
2Mechanical PropertiesSample(Test Bar on the Gear Body)Technical RequirementAfter Heat TreatmentMechanical Properties Report
3Heat TreatmentWhole BodyManufacturing StandardDuring Heat TreatmentHeat Treatment Report
Curves of Heat Treatment
4Hardness TestTooth Surface, 3 Points Per 90°Technical RequirementAfter Heat TreatmentHardness Teat Report
After Semi Finish Machining
5Dimension InspectionWhole BodyDrawingAfter Semi Finish MachiningDimension Inspection Report
Finish Machining
6Magnetic Power Test (MT)Tooth SurfaceAgreed StandardAfter Finish Gear HobbingMT  Report
7UTSpokes PartsAgreed StandardAfter Rough MachiningUT Report
After Welded
After Semi Finish Machining
8PTDefect AreaNo Defect IndicatedAfter Digging
After Welded		PT Record
9Mark InspectionWhole BodyManufacturing StandardFinal InspectionPictures
10Appearance InspectionWhole BodyCIC's RequirementBefore Packing
(Final Inspection)		 
11Anti-rust InspectionWhole BodyAgreed Anti-rust AgentBefore PackingPictures 
12Packing InspectionWhole BodyAgreed Packing FormDuring PackingPictures

 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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