Advantages:
- Products with Customers' Designs 
- Strong Machining & Heat Treatment Abilities 
- Strict Quality Control 
- Prompt Delivery

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
 
Weight: 10~35T
Applicable devices: rotary kiln, ball mill
Application: Cement, building material, metallurgy etc.
Customizable or not: Yes

Product Introduction
Girth Gear is the main part of rotary kiln and ball mill which has to run for a long time, therefore, there is high quality requirement for gear ring in production.
Our main material for the Girth Gear  is similar to followings:

Standard Specifications for Cast Steel
Country	Standard	Grade
United Kingdom	BS EN 10083/2-1991	C45
USA	ASTM A 29/A29M-04	1045
Germany	DIN EN 10083-2-2006	C45/CK45
Japan	JIS G5111	SCC5
International	ISO 683/1	C45/C45E4/C45M2

 

Standard Specifications for Cast Steel
Country	Standard	Grade
United Kingdom	BS 970-1	708 M40
USA	ASTM A 29/A29M-04	4140/4142
Germany	DIN EN 10083-1-1996	42CrMo4
Japan	JIS G4053-2003	SCM440
International	ISO 683/1	3

 
Production Process 
1. Wooden pattern Production  
2. Molding
3. Pouring
4. First cleaning
5. Heat treatment - grinding (inspection)
6. Rough machining (inspection)-finishing machining (inspection)
7. Packing-delivering