Cold Rolling Mill Oil Film Bearing

TYHI have been designing and manufacturing various Hydrodynamic and Hydrostatic-hydrodynamic oil film bearings, which meet with the requirements of heavy loading, high speed and rolling precision for the 650mm, 1220mm, 1420mm, 1780mm, 2030mm cold rolling mills and so on.

Main parameters:

Working diameter: Φ400mm~1300mm

Length diameter ratio: 0.6~0.9

Tel.: +86-351-6362514,13753106425

Email: ymzc@tyhi.com.cn

Application

Our oil film bearings are installed in back-up roll assembly (or work roll assembly), to bear the rolling pressure and ensure low-energy-consumption performance of the rolls.

Features

01.TYHI has constantly been researching and developing in oil film bearing theory, material and structure with internationally leading technology. For different rolling mill characteristics, TYHI can provide customized oil film bearing solutions. TYHI has its own oil film bearing research institute and oil film bearing engineering laboratory, and has compiled and set up China National Standard of Oil Film Bearing for Rolling Mills.

02.TYHI is capable of producing 1000 sets of oil film bearings annually with specifications ranging from diameter 160mm to 2000mm. Advanced equipment such as large vertical grinding center, intelligent alloy welding center and so on, are used in the manufacturing process, and advanced technology is developed to guarantee the performance accuracy of oil film bearing products. For example, the surface grinding technology can make sure that the sleeve surface roughness reaches Ra 0.02~0.05, and the Babbitt alloy welding technology can make sure that the alloy bond strength reaches above 80MPa.

03.The professional service team established by TYHI consists of experts for rolling mill, bearing and lubrication, who can provide technical consultation, on-site installation guidance, fault diagnosis and technical training, etc., and can respond quickly to users' demands in shortest time to ensure reliable operation of oil film bearings.

Structure

The oil film bearing can be divided into two types, Hydrodynamic type and Hydrostatic-hydrodynamic type, which is selected according to the specific working condition of the mill. A set of oil film bearing mainly consists of radial loadtaking system, axial loadtaking system, sealing system, locking system, protection system and monitoring system.
In the radial loadtaking system, the sleeves are of two different types: keyless and keyless & thin wall; hydrostatic-hydrodynamic bushings are of three types: single oil cavity, double oil cavity and four oil cavity; Axial loadtaking system have two different structures: single thrust and double thrust; there are two different types of seals in sealing system: JF seal and ACS seal; there are three different types of locking system: mechanical locking, hydraulic locking and mobile hydraulic locking. Customers are free to make their decision of combination of above various types in accordance with their conditions.

Reference

The reference of domestic cold rolling mill oil film bearings

No.

Customer

Mill Type

Specification

Mill designer

1

Baoshan Iron and Steel Co. Ltd

2030 Cold rolling mill

ZYC1065-72J

MHI

2

Angang Steel Co. Ltd

1780 Cold rolling mill

ZYC1100-75WJJ

MHI

3

Wuhan Iron and Steel Co. Ltd

1700 Cold rolling mill

ZYC1065-72J

 

4

Benxi Iron undefinedamp; Steel (Group) Co. Ltd

1700 Cold rolling mill

ZYC825-90J

 

5

Panzhihua Iron and Steel Group Xichang steel vanadium Co. Ltd

1420 Cold rolling mill

ZYC750-90J

 

6

Baoshan Iron and Steel Co. Ltd

1420 Cold rolling mill

ZYC785-75WJJ

 

7

Xinjiang Ba Yi Iron undefinedamp; Steel Co. Ltd

1420 Cold rolling mill

ZYC825-84WJJ

 

8

Angang Steel Co. Ltd

1200 Cold rolling mill

ZYC785-75WJJ

 

9

Tangshan hengtong thin plate cold rolling Co. Ltd

1200 Cold rolling mill

ZYC825-84WJJ

 

10

Wuxi Xindazhong Steel Sheet Co. Ltd

850 Cold rolling mill

ZYC650-75WJ

 

11

Wuxi Xindazhong Steel Sheet Co. Ltd

650 Cold rolling mill

ZYC413-75WJ

 

 

The export reference of cold rolling mill oil film bearings

No.

Customer

Mill Type

Specification

Mill designer

1

Arcelormittal steel Co. Ltd, South Africa

1700 Cold rolling mill

54"-75

 

2

Arcelormittal steel Co. Ltd, Kazakhstan

1700 Cold rolling mill

Φ1120×840

 

3

Zaporozhstal steel Co. Ltd, Ukriane

1680 Cold rolling mill

Φ900×670

 

4

Zaporozhstal steel Co. Ltd, Ukriane

1680 Reversible mill

Φ1000×750

 

5

Arcelormittal steel Co. Ltd, Kazakhstan

1500 Cold rolling mill

Φ1000×750

 

6

Synn Industral Co. Ltd, Taiwan

1300 Cold rolling mill

44"-90

 

7

Dai Thien Loc Steel Co. Ltd, Vietnam

1250 Cold rolling mill

42"-90

 

8

AHMSA Steel Co. Ltd, Mexico

1250 Cold rolling mill

42"-67

 

 

Awards

获奖图

1. TZ oil film bearing series ZYC160-1800 are awarded gold prize as National Quality Product.

2. TZ oil film bearing is awarded with "China famous brand product in September 2005.

3. The Industrial Standard of Oil Film Bearing is awarded with Second Class Prize by the Ministry of Machinery Building Industry.

4. TZ oil film bearing series ZYC1300 is awarded with Third Class Prize by the Ministry of Machinery Building in scientific and technology progress.

5. TZ ZYC500 Hydrostatic-Hydrodynamic Oil Film Bearing is awarded with Second Class Prize by Shanxi Provincial Government for scientific and technology progress.

6. TZ ZY900 bearings are awarded with First Class Prize by Taiyuan Municipal Government for scientific and technology progress.