Girth Gear Manufacturer

CIC girth gear manufacturer is the casting & forging center in central-south China, We mainly manufacturer, ball mill girth gear, rotary kiln girth gear and mill girth gear, possessing a 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.

Part Reference List of Girth Gear

No.	Material	OD/mm	Module	Application	Client
1	T30MoCrNi14	10394	28	SAG	Romania
2	T30MoCrNi14	8356	28	Ball Mill	Romania
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	Tunisia
12	G34CrMo4	6362.5	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	25.4	/	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	Japan TSK
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	20.32	/	Venezuela
25	ASTM 4140	7560	40	Dryer	Venezuela
26	ZG42CrMo	6633	25.4	Rotary Kiln	Korea
27	ZG42CrMo	5688	36	PTA Dryer	Japan TSK

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 ball mill girth gear and rotary kiln girth gear manufacturers.

Feature Of Girth Gear

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

Advantages of Girth Gear

Process of Grith Gear

Forging or Casting
Normalizing & Tempering-Proof Machining
Quenching & Tempering
Finish Machining (Teeth Grinding)

Technical Parameter of Grith 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
4	Structure From	Integrated, Half to Half, Four Pieces and More Pieces
5	Heat Treatment	Quenching & Tempering, Normalizing & Tempering, Carburizing & Quenching & Tempering
5	Heat Treatment
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
	Hardness Test	Tooth Surface, 3 Points Per 90°	Technical Requirement	After Semi Finish Machining	Hardness Teat Report
5	Dimension Inspection	Whole Body	Drawing	After Semi Finish Machining	Dimension Inspection Report
	Dimension Inspection	Whole Body	Drawing	Finish Machining	Dimension Inspection Report
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	PT Record
9	Mark Inspection	Whole Body	Manufacturing Standard	Final Inspection	Pictures
10	Appearance Inspection	Whole Body	CIC's Requirement	Before Packing (Final Inspection)	Pictures
11	Anti-rust Inspection	Whole Body	Agreed Anti-rust Agent	Before Packing	Pictures
12	Packing Inspection	Whole Body	Agreed Packing Form	During Packing	Pictures