Equipment composition and use: Pre-finishing mill type: cantilever mill,rack 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.
Product Description
Pre-Finishing Mill Unit Equipment Composition and Use
Pre-finishing mill type: cantilever mill, rack 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 | |
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