.

Girth Gear

CIC is the casting & forging center in central-south China, possessing a 50t electric arc furnace, 60t LF ladle refining furnace, and 60t VD/VOD refining furnace, etc. As professional girth gear manufacturer , 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.

Feature of Girth Gear
Module Range: 10 Module to 70 Module.

Diameter: Min 800mm to 16000 mm.

Weight: Max 120 MT single piece.

Three Different Girth Gear Designs: Fabricated steel - forged ring - rolled plate

Standards/Certificates: • UNI EN ISO • AWS • ASTM • ASME • DI

Professional rotary kiln girth gear and

ball mill girth gearmanufacturers.

Our Advantages of Girth Gear

Products with Customers' Designs

Strong Machining & Heat Treatment Abilities

Strict Quality Control

Prompt Delivery

Experience in Cooperation with Fortune 500 Companies

Process of Grith Gear

Forging or Casting

Normalizing & Tempering-Proof Machining

Quenching & Tempering

Finish Machining (Teeth Grinding)

Technical Parameter of Grith Gear

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

InspectionandTestOutlineofGirthGear

Item

Inspection Area

Acceptance Criteria

Inspection Stage

Certificates

1

ChemicalComposition

Sample

Material Requirement

When SmeltingAfter Heat Treatment

Chemical CompositionReport

2

MechanicalProperties

Sample

(Test Bar on the Gear Body)

Technical Requirement

After Heat Treatment

Mechanical PropertiesReport

3

HeatTreatment

Whole Body

Manufacturing Standard

During Heat Treatment

Heat Treatment ReportCurves of HeatTreatment

4

HardnessTest

Tooth Surface, 3 Points Per 90°

Technical Requirement

After Heat Treatment

Hardness Teat Report

After Semi FinishMachining

5

DimensionInspection

Whole Body

Drawing

After Semi FinishMachining

Dimension InspectionReport

Finish Machining

6

Magnetic Power Test (MT)

Tooth Surface

Agreed Standard

After Finish GearHobbing

MT Report

7

UT

Spokes Parts

Agreed Standard

After Rough Machining

UT Report

After Welded

After Semi FinishMachining

8

PT

Defect Area

No Defect Indicated

After DiggingAfter Welded

PT Record

9

Mark Inspection

Whole Body

Manufacturing Standard

Final Inspection

Pictures

10

AppearanceInspection

Whole Body

CIC's Requirement

Before Packing(Final Inspection)

11

Anti-rustInspection

Whole Body

Agreed Anti-rust Agent

Before Packing

Pictures

12

PackingInspection

Whole Body

Agreed Packing Form

During Packing

Pictures

Part Reference List of Girth Gear

Material

OD/mm

Module

Application

Client

1

T30MoCrNi14

10394

28

SAG

Romania

2

T30MoCrNi14

8356

28

Ball Mill

3

G35CrNiMo6-6

5910

39

Rotary Kiln

KHD

4

G34CrMo4

6180

30

Cement Mill

5

G35CrNiMo6-6

6362

42

Rotary Kiln

6

G35CrNiMo6-6

6362

42

Rotary Kiln

7

G34CrMo4

5909

39

Rotary Kiln

8

G34CrMo4

6362

42

Rotary Kiln

9

G34CrMo4

6621

39

Rotary Kiln

10

ZG 35CrNiMo

5452

45

Rotary Kiln

Tunisia

11

ZG 35CrMo

4868

22

Cement Mill

12

G34CrMo4

42

Cement Rotary Kiln

Giant→KHD

13

G35CrNiMo6-6

7369

45

Cement Rotary Kiln

14

G34CrMo4

5964

42

Cement Rotary Kiln

15

ASTM 4140

7289

/

American Rexnord

16

ZG42CrMo

6972

25

Cement Rotary Kiln

Hong Kong

17

ZG42CrMo

3400

25

Sugar Dryer

Japan TSK

18

ZG42CrMo

3480

20

Sugar Dryer

19

ZG310-570

3360

20

Fertilizer Dryer

Malaysia

20

ZG310-570

3640

20

Fertilizer granulator

21

ZG42CrMo

4100

32

Fertilizer Cooler

22

ZG42CrMo

5550

25

Fertilizer Dryer

23

ZG42CrMo

3040

20

Fertilizer granulator

24

GS35CrMoV

7318

/

Venezuela

25

ASTM 4140

7560

40

Dryer

26

ZG42CrMo

6633

Rotary Kiln

Korea

27

ZG42CrMo

5688

36

PTA Dryer

Japan TSK

As one of heavy equipment suppliers, we can offer different kinds of related products for sale, if you have needs, please contact us.

If you want to know more details of ball mill mining, please visit our website.



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