Wuxi MAZS Machinery Science & Technology Co.,Ltd.
Wuxi MAZS Machinery Science & Technology Co.,Ltd.
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1. Product name
MAØ175×500/Ø460×470 500mm Four-High Reversible Cold Rolling Mill line Siemens 6RA80 series full digital
2. Application:
used for rolling of carbon steel and low alloy steel with width of 400mm, thickness of finished product1.0 mm～2.0 mmmm
3.Process flow:
Loading→Uncoiling→Pinch→Straight head flattening Cutting→welding-loop(welding test seam)→vertical roll center →
Five roll was built→ Four-high cold rolling mill → Recoiler→Unloading
4. Main Technical Specification:
| No. | Technical parameter | |
| 1 | Raw material status | Plain carbon steel |
| 2 | Incoming coil size | 2.0～3.0×400 mm |
| 3 | Output coil size | 1.0～2.0×400 mm |
| 4 | Rolling pressure | Max. 3500 KN |
| 5 | Rolling speed | Max. 150 m/min |
| 6 | Uncoiling tension | Max. 30 KN |
| 7 | Recoiler drum expansion diameter | Max. 508mm; Min. 495 mm |
5.scope of supply
| No
| Content of Supply | Qty. | Supplier | buyer | Remark |
| I | Mechanical part | ||||
| 1 | Coil car | 1 set | √ | ||
| 2 | Uncoiler | 1 set | √ | ||
| 3 | Straightener | 1 set | √ | ||
| 4 | Horizonal cutting machine | 1 set | √ | ||
| 5 | Welding platform | 1 set | √ | ||
| 6 | Loop | 1 set | √ | ||
| 7 | Enter pinch and feeding | 1 set | √ | ||
| 8 | Five roller biuld up | 1 set | √ | ||
| 9 | Main mill machine | 2sets | √ | ||
| 10 | 4pcs | √ | |||
| 11 | Combined gear box | 1 set | √ | ||
| 12 | Exchange roller unit | 2 sets | √ | ||
| 13 | Exit plate | 1 set | √ | ||
| 14 | Recoiler | 1 set | √ | ||
| 15 | Unloading trolley | 1 set | |||
| 16 | Base and coupling | 1 set | |||
| II | Hydraulic equipment | ||||
| 1 | Thin oil lubricating station | 1 set | √ | ||
| 2 | Low-pressure hydraulic station | 1 set | √ | ||
| 3 | Hydraulic station for roller bending | 1 set | √ | ||
| 4 | Emulusion lubricating system | 1 set | √ | ||
| III | Motor & electrical control equipments | ||||
| 1 | Main motor | 2set | √ | ||
| 2 | Recoiler motor | 1 set | √ | ||
| 3 | Transmission device and PLC system | 1 set | √ | ||
| 4 | DC drive device of main rolling mill | 1 set | √ | ||
| 5 | DC drive device of coiler | 1 set | √ | ||
| 6 | Operation box | 1sets | √ | ||
| Iv | Other parts | ||||
| 1 | Thickness gauge device | 2 sets | √ | Provided by user | |
| 2 | Installation of cables and wires in workshop | 1 batch | √ | Provided by user | |
| 3 | Workshop piping | 1 batch | √ | Provided by user | |
| 4 | Foot bolt and block | 1 batch | √ | Provided by user | |
| 5 | Workshop fence and cover plate | 1 batch | √ | Provided by user | |
| 6 | Low voltage distribution cabinet | 1 pcs | √ | Provided by user | |
| 7 | Harmonic system | 1 set | √ | Provided by user | |
