15 high-precision four-roll CNC hot rolling mills
The 15‑stand ultra-precision four‑high CNC hot rolling mill is suitable for the finishing rolling stage of alloy material hot rolling. Roller material: heat‑resistant steel; Roller hardness: HRC 61–63. Roller downward pressure method: servo‑CNC; Roller adjustment method: CNC‑controlled downward pressure, with both collective and individual adjustments available.
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| Main Parameters | |
| External dimensions | Length × Width × Height (1570 × 1320 × 1820) mm |
| Machine weight approximately | 2300kg |
| Motor power | 11kW |
| Motor voltage | Three-phase 380V |
| Roller rotational speed | ≤20m/min |
| Roller-down adjustment accuracy | 0.001mm |
| Roller dimensions | Work roll φ60×250 mm, backup roll φ192×250 mm |
| Roller temperature | ≤450℃ |
| Effective width of the roll surface | 120mm |
| Incoming materials | Gold–tin materials, tin–bismuth, and other alloys |
| Incoming material thickness | ≤0.15mm |
| Material width | 40mm |
| Finished thickness | ≥ 0.015 mm |
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Zhu Chengji Precision Equipment — Founded in 1993
A wholly owned enterprise specializing in the manufacture of a wide range of jewelry‑making equipment, including welding machines, tablet presses, tube‑drawing machines, wire‑drawing machines, wire‑pressing machines, hot‑rolling mills, slitting machines, and bead‑hammering machines, with a comprehensive and scientifically sound quality management system.
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Providing equipment and technical support to over 600 companies.
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Minimum tablet thickness
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Factory Address
Building 29, Zhongnan High-Tech Taishan Intelligent Equipment Industrial Park, No. 1 Fuan West Road, Dajiang Town, Taishan, Guangdong Province
Shenzhen Direct Sales Outlet Address
No. 012–013, No. 2 Kaiming Road, Area A, Zhonghe Shengshi, Liuyue, Henggang Subdistrict, Longgang District, Shenzhen, Guangdong — Zhu Chengji Diamond‑Brand Jewelry Equipment