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1. High-precision·2. Low residual stress·3. Automatic threading
| Type | skin pass mill,Straightener & Cutter | Place of Origin | Shaanxi China (Mainland) |
|---|---|---|---|
| Use | Bar | Details | 1. High-precision · 2. Low residual stress · 3. Automatic threading |
| Packaging Detail | industry standard package |
|---|---|
| Delivery Detail | 9 months |
This new type of leveler line is developed for high-precision copper strip production. It uses our innovation technology with completely independent intellectual property rights. A prepositive stretch-bend-levelling unit is combined with a 23-roll leveler, in which case 4 segments of tension and 2 segments of elongation could be controlled separately.
•The shape of copper strip could be rectified effectively by reasonable distributing 2 segments of elongation. In addition, 23-roll leveler working with smaller elongation will be beneficial to eliminate residual stress and to extend roll life-span.
• High-precision and low residual stress, the quality of copper strips rectified by this type of leveler line could meet theneeds of electronic industry.
Technological parameter:
1. Material:
| Copper Alloy | C10200, C 11000, C11100, C26000, C27000, C19025, C19400, C19210, D 51900, C52100, C70250, C75210, C77010 |
| Material Conditions | cold rolled |
| Yield Point | ≤750N/mm² |
| Material Thickness | 0.08~1.0mm |
| Material Width | 200~400mm |
| Incoming Flatness | ≤150I |
2. Line:
| Coil Weight | 6000Kg |
| Coil Inside Diameter | 500mm |
| Coil Outside Diameter | Max. 1400mm |
| Line Speed | 150m/min(for the thickness≥0.5mm),75m/min(for the thickness <0.5mm) |
| Threading Speed | 5 –10m/min |
| Incoming Flatness | ≤150I |
| Decoiler Tension | 80~1100Kg |
| Recoiler Tension | Max. 1400Kg |
| Leveler Tension | Max. 10000Kg |
| Line Elongation Rate | 0~3% |
| Product Flatness | ≤5I |
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