Hebei Moran Environmental Protection Technology.,Ltd is one of main metallurgical equipment factory in China. our products include new and used steel and aluminum rolling mill,2hi 4hi 6hi 8hi to 20 hi rolling mill machine, skin pass mil, tension leverler, tension leverler and skin pass mix mill, caster, steel coating line, pickling line ,annealing furnance,grinder, and other related equipment and its parts.our machine has been exported to many country and enjoy a very good reputation among our users.
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This equipment is called 850 4Hi reversible cold rolling mill. It is mainly used for finishing rolling of carbon steel Q195~235, 08YU, 08F, SPCC, etc. Its raw material thickness is≤2.0~4.0mm , width 750mm. Finished product thickness 0.2~1.2mm, width 750mm.
The device has high rigidity and good strength, which ensures the accuracy and stability of the product.
The device has compact mechanism, high manufacturing precision, long working life, simple operation and maintenance.
2.The main technical parameters:
Unit floor area:12500*15100mm
Technical Parameters:
| Parameter name |
Value |
| Maximum rolling force |
6000kN |
| Work roll diameter |
165mm |
| Support roll diameter |
700mm |
| Work roll width |
850mm |
| Rolling speed of main motor |
≤400m/min |
| Main motor model |
Z4-450-21 |
| Power of main motor |
500*2kW |
| Rotating speed of main motor |
560/1200r/min |
| Winding tension |
≤120kN |
| Coil weight |
13000kg |
| ID/OD of coiler |
508/1500mm |
| Winding speed |
6.8m/s |
| Coiler motor power |
618kW |
| Coiler motor rotating speed |
328/1000r/min |
| Reducer speed ratio |
3.55 |
3. Unit structure
The equipment consists of 165/700*850 4Hi reversible cold rolling mill, 508*800 hydraulic quadrangular cone coiler, automatic thickness gauge, hydraulic station, thin oil(emulsion) station, process lubrication device and electronic control system.
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