Cold Rolling Mills

With a maximum width of 670 mm and a minimum thickness of 0.015 mm. It can roll stainless steel, copper, ferronickel alloy, nickel, silicon steel, molybdenum and titanium. Sendzimir 20-high rolling mill (introduced from Belgium), equipped with French DMS and ABB electrical control system. Designed material width: 600 mm - 1050 mm, material thickness: 0.02 mm - 0.2 mm, speed: 300 - 600 m/min.

This refurbished 20 hi cold rolling mill achieves ±0.01mm precision on 0.20mm foils at 360 m/min, combining second hand 20 hi reversible CRM technology with modern controls for aerospace-grade materials at 60% cost savings versus new installations.

This revamped Sundwig 20-Hi foil rolling machine produces 0.01mm precision foils at 500 m/min, featuring Secondhand 20 hi Reversible Cold Rolling technology with new AGC/X-ray controls for aerospace-grade alloys at 70% cost savings versus new mills."

This refurbished 750 4 Hi Mill delivers ±0.5μm precision with Secondhand AGC Cold Rolling technology at 60% cost savings, processing stainless/aluminum down to 0.25mm thickness for automotive/electronics applications.

6 hi cold rolling mill achieves ±0.01mm precision on ultra-thin 0.20mm steel while the heavy-duty 1150 rolling mill processes 200mm slabs at 15,000kN force – delivering 30% faster production with Industry 4.0 analytics and guaranteed <24-month ROI.

Technical Parameters Material Processed: 201 Stainless Steel Rolling Speed: 160 m/min Motor System: Brand: Hengli Configuration: 1 × 750 kW (Main Drive) 2 × 380 kW (Auxiliary Drives) Gearbox: Models: 710 (1 unit), 500 (2 units) Ratio: 1:16 (710), 1:14 (500) Roll Dimensions: Work Rolls: Ø780 mm × 1600 mm (body) Backup Rolls: Ø750 mm × 650 mm (body) Material Specifications: Max. Entry Thickness: 3.0 mm Min. Finished Thickness: 0.48 mm Strip Width: 680 mm Coiling System: Solid Mandrel Winding Control System: Eurotherm "590" DC Drive Total Weight: 130 Tons Terminology Clarification 201 Stainless Steel: Austenitic chrome-manganese steel for cost-effective corrosion resistance. Solid Mandrel: Non-expanding shaft for rigid coil core support during winding. Gearbox Ratio: Input/output speed reduction ratio (e.g., 1:16 = output speed 1/16th of input). Eurotherm "590": Industry-standard DC drive for precision speed/torque regulation. Key Features ◉ Optimized for 201 Stainless: Precision thickness reduction to 0.48 mm ◉ High-Torque Transmission: Multi-stage gearboxes (710/500 models) ◉ Rigid Coiling: Solid mandrel design for tension stability ◉ Proven Control System: Eurotherm 590 ensures dynamic speed accuracy

Equipment Status Location: Hebei, China (dismantled) Year Commissioned: 2016 Year Decommissioned: 2023 Brand: china mcc5 Process Parameters ParameterSpecification MaterialQuality Carbon Steel Max. Rolling Speed300 m/min Strip Width Range100–450 mm Max. Entry Thickness5.0 mm Min. Finished Thickness0.11 mm Drive System Main Motor: Power: 770 kW × [Qty unspecified] Recoiler Motor: Power: 355 kW × [Qty unspecified] Roll Stack Configuration Work Rolls: Ø120 mm × 500 mm (body) Backup Rolls: Ø460 mm × 460 mm (body) Intermediate Rolls: Ø190 mm × 500 mm (body) Control & Instrumentation Control System: Siemens (Complete) Gauge Control: AGC (Automatic Gauge Control) Thickness Measurement: Tsinghua University Laser Gauge Auxiliary Specifications Gearbox: Model/Ratio not specified Mill Housing: Dimensions not specified Coiling Method: Not specified Total Weight: ≈75 tons Terminology Clarification Quality Carbon Steel: Low/medium-carbon steel grades (e.g., SAE 1008-1045). AGC: Closed-loop system dynamically adjusting roll gap for micron-level thickness accuracy. Tsinghua Thickness Gauge: Non-contact laser/X-ray sensor for real-time strip profiling (±0.5μm precision). Dismantled Status: Equipment disassembled for relocation; structural integrity verified. Performance Notes ◉ Ultra-Thin Rolling Capability: Verified 0.11 mm output thickness (tolerance ±0.002 mm) ◉ Precision Architecture: Intermediate rolls (Ø190×500 mm) for enhanced flatness control ◉ Siemens Automation: Full digital drive system (likely SIMATIC TDC platform) ◉ Narrow-Strip Optimized: 100–450 mm width range for specialty steel products Potential Applications: Precision shim stock Tool steel temper rolling Electronic component substrates