Changzhou ST. Key Machiney Co., Ltd
Best service ; excellent quality ; quick delivery time
Changzhou ST. Key Machinery Co., Ltd, a leading Chinese manufacturer and exporter of industrial rollers, announces its advanced mirror rollers and chill rollers engineered for demanding high-gloss surface finishing applications in plastic extrusion, film casting, calendering, and coating production lines.
ST. Key mirror rollers feature precision chrome-plated surfaces with mirror-polish finishing, achieving exceptional surface smoothness that transfers directly to the processed material. Available in multiple configurations:
Our chill rollers incorporate advanced internal cooling channel designs — including big screw pitch, multi-flow, and cross twin-flow configurations — ensuring uniform temperature distribution across the entire roller face. This thermal precision is critical for:
| Parameter | Mirror Roller | Chill Roller |
|---|---|---|
| Diameter | Up to Φ1000mm | |
| Length | Up to 6000mm | |
| Chrome Plating | 0.03 – 0.12mm | As specified |
| Surface Finish | Mirror polish (Ra ≤ 0.02μm) | Custom finish |
| Concentricity | ≤ 0.01mm TIR | |
| Body Material | 45# / 20# / 42CrMoA forged steel | |
| Cooling Design | N/A | Multi-flow / cross twin-flow |
For technical specifications, detailed quotations, or to discuss your specific roller requirements, contact the ST. Key Machinery engineering team today. We provide end-to-end support from design consultation through to after-sales service.
Contact Person: Mr. Yun
Tel: +8613951236008
Fax: 86-0519-86315782