Equipment composition and use: Pre-finishing mill type: cantilever mill,rack number: 4 stands. Horizontal mill (2 stands), Vertical Looper (3 sets), vertical mill (2 stands), safety cover. Layout and Transmission mode: H-V-H-V, (DC) motor individual drives.
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Product Description
Pre-Finishing Mill Unit Equipment Composition and Use
Pre-finishing mill type: cantilever mill, rack number: 4 stands.
Horizontal mill (2 stands), Vertical Looper (3 sets), vertical mill (2 stands), safety cover.
Layout and Transmission mode: H-V-H-V, (DC) motor individual drives.
Pre-Finishing Mill Unit Main technical performance parameters of the equipment
1. Process parameters
(1) The specification of the entry rolling piece of the first stand: 28~31mm
Specification of the fourth outlet rolling stock: 16~20mm
(2) Rolled steel types: plain carbon steel, high-quality carbon steel, low alloy steel, welding rod steel, riveting steel
(3) Rolling temperature: 900~1050℃
(4) Maximum rolling force: ~240kN
(5) Maximum rolling torque: ~6.2kN·m
(6) Roller center distance: 255mm~291mm
(7) Roll gap adjustment: 18 mm
(8) Working pressure of roller installation: 40MPa
(9) Working pressure of unloading roll: 60MPa
(10) Roll cooling water
Consumption: 4x20 t/h Water pressure: 0.6MPa Water inlet temperature: <30℃
(11) Lubrication method
The rolling mill and reducer are all lubricated with thin oil.
Oil pressure: Lubrication point pressure 0.15~0.25MPa Total consumption: 400 l/min
Oil quality: Mobil 533
Fine filter: 25μ
The transmission parameter table of pre-finishing mill
Machine type |
Size |
|||||||||
stands |
Tungsten carbide roll ring size Фmm |
Max. rolling forceKN |
Max. Rolling torque KN.M |
Rolling speed m/s |
Trimmed size Фmm |
Speed ratio |
Motor |
|||
4stands |
type |
Power KW |
Revolving speed r/min |
|||||||
90m 135m/sФ285 H cantilever roller ring structure unit |
1HФ285 |
285/255×95 |
280 |
7.4 |
8 |
8 |
1.5 |
DC |
450/600 |
600/1200 |
2VФ285 |
285/255×95 |
133.6 |
5.0 |
8 |
8 |
1.24 |
DC |
450/600 |
600/1200 |
|
3HФ285 |
285/255×95 |
153 |
4.2 |
8 |
8 |
1.15 |
DC |
450/600 |
600/1200 |
|
4VФ285 |
285/255×95 |
95.9 |
3 |
40 |
30 |
94 |
DC |
450/600 |
600/1200 |