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Product Details:
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| Production Description: | Φ90×Φ400×300mm 4 Roller Reversible Cold Rolling Mill | Raw Material: | Q235, SPCC, SS400, SPHC, Etc. |
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| Input Thickness: | ≤2mm | Width: | 100-200mm |
| Output Coil Diameter (inner/outer): | Φ600,Φ750/1600mm, As Required | Max. Rolling Pressure: | ≤150T |
| Rolling Speed: | V≤30m/min Cold Rolling Mill | Rolling Line Elevation: | 850mm |
| Warranty: | One Year | ||
| High Light: | Reversible Cold Rolling Mill,30m/min Cold Rolling Mill,Reversible Cold Rolling Mill 4 Roller |
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1. Application of four-roller reversible cold rolling mill:
4-roller reversible CRM (cold rolling mill )is driven by backup rollers, with high rigidity of the stand. The roll system adopts special bearings for rolling mills. The pressing worm gear pair is the secondary envelope surface, with large pressing force. It is suitable for intermediate rolling and finishing rolling. It is an ideal rolling mill equipment for rolling normal carbon steel, alloy steel, stainless steel, copper, aluminum, etc.
2. Equipment composition and structural characteristics of four-roller reversible cold rolling mill
This machine is a four-roller cold rolling mill, consisting of main motor, speed reducer, herringbone gear seat, universal shaft, bracket, working stand, electric pressing device. , Left and right coilers, hydraulic station and DC electric control and other parts, etc.
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3. Process flow: (for reference)
Loading (unloading) device→←recoiler →← rolling mill process platform →← four-high main rolling mill →← rolling mill process platform→←recoiler→←loading (unloading) device
4. Equipment Composition:
4.1 Mechanical equipment:
| No. | Description | Unit | Qty. |
| 1 | Four-high main rolling mill | set | 1 |
| 2 | Electric screwdown device | set | 2 |
| 3 | Hydraulic balancing device | set | 1 |
| 4 | Universal shaft | pcs | 2 |
| 5 | Universal shaft bracket | set | 1 |
| 6 | Work roller changing rack | set | 1 |
| 7 | Hydraulic roller changing device of backup roller | set | 1 |
| 8 | Backup roller changing rack | set | 1 |
| 9 | Front/rear mill process platform | set | 2 |
| 10 | Hydraulic expansion recoiler | set | 2 |
| 11 | Discharge coil car | set | 2 |
| 12 | Foundation bolt | set | 1 |
4.2 Electric motor, electrical control:
| No. | Description | Unit | Qty. |
| 1 | Main motor | set | 1 |
| 2 | Recoiler motor | set | 2 |
| 3 | Screwdown motor | set | 2 |
| 4 | Electrical control | set | 1 |
4.3 Fluid equipment:
| No. | Description | Unit | Qty. |
| 1 | General hydraulic system (including valve stand) | set | 1 |
| 2 | Roller bending hydraulic station (including valve stand) | set | 1 |
| 3 | Thin oil lubrication station | set | 1 |
| 4 | Oil and gas lubrication system | set | 1 |
| 5 | Process lubrication system | set | 1 |
5. Technical Parameters (options):
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Model No. Technical Parameters |
650 | 750 | 850 |
| Material | Carbon steel & low alloy steel | Carbon steel & low alloy steel | Carbon steel & low alloy steel |
| Material Thickness (mm) | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 |
| Material Width (mm) | 400-500 | 500-650 | 600-750 |
| Output Thickness (mm) | 0.18-0.5 | 0.18-0.5 | 0.18-0.5 |
| Rolling Force (KN) | 5500 | 6500 | 7500 |
| Backup Roller Size (mm) | Φ550×600 | Φ650×700 | Φ750×820 |
| Middle Roller Size (mm) | / | / | Φ300/Φ280×820 |
| Work Roller Size (mm) | Φ185/Φ165×650 | Φ205/Φ190×750 | Φ230/Φ205×850 |
| Drive Mode | By work roller | By work roller | By work roller |
| Main Motor | DC motor | DC motor | DC motor |
| Reducer | Combined gearbox | Combined gearbox | Combined gearbox |
| Uncoiler (optional size) | Φ508/Φ610×650 | Φ508/Φ610×750 | Φ610×850 |
| Recoiler (optional size) | Φ508×650 | Φ508×750 | Φ508×850 |
| Rolling Speed (m/min.) | 180-480 | 240-600 | 240-600 |
| Uncoiler Tension (KN) | 30 | 35 | 45 |
| Recoiler Tension (KN) | 10-70 | 10-80 | 10-90 |
| Screwdown Method | Mechanical/Hydraulic AGC | Mechanical/Hydraulic AGC | Mechanical/Hydraulic AGC |
Note: The above parameters are for reference only, it could be manufactured according to customer's requirements.
6. Packaging
Machine will be fixed inside container by steel wire and special PET strap, in order to make sure all parts will not move during transportation and avoid any kinds of damage of machine and container.
7. Warranty term: 12 months (excluding easy-broken parts)
8. Our service and features:
8.1 Design: We have a matured technical team with rich experience to develop and deisng the machines according to customer's demand and requirements.
8.2 This is a very perfect and durable equipment. We have more than 10 years experiences.
8.3 This kind of machine has the best quality and the best price. It has accurate measurement and easy operating.
8.4 We provide technical support (both before, during and after sales), production, installation, commissioning and maintenance service to all customers.
8.5 Our product has been exported to many regions and won high reputation because of the high quality and reasonable price.
Contact Person: Ms. Sunnia Sun
Tel: 86-15358060625
Fax: 86-510-85880989
