technical parameters

Mill Type: 4-High Non-Reversing Kolbelco aluminum foil cold rolling mill

input material thickness:0.075mm ,  output product thickness:0.01mm

max coil width：1350mm
Roll Dimensions:

• Work Rolls: Ø260mm / Ø240mm × 1600mm (Grindable diameter range: Ø260mm down to Ø240mm)

• Backup Rolls: Ø700mm × 1520mm

Rolling Speed: Maximum 1200 m/min
Threading Speed: 10-20 m/min
Reduction per pass: 30-70%
Forward Slip: 0-20%
Screwdown System: Hydraulic Ram (or Hydraulic Screwdown)

Main Drive Motors:

• Mill Main Motor: 2 x 360 KW, DC, 0-735/1600 rpm (1 Mitsubishi + 1 Nanyang Motor)

Uncoiler Motors:

• 1# Uncoiler Motor: N/A (or: Not Applicable / Not Installed)

• 2# Uncoiler Motor: 3 x 33 KW, DC, 0-450/1500 rpm (All 3 Mitsubishi)

Downcoiler Motor:

• Downcoiler Motor: 3 x 33 KW, DC, 0-450/1500 rpm (All 3 Mitsubishi)

Mandrel / Sleeve Dimensions:

• Sleeve / Collar Dimensions (for Mandrel): Ø565mm (Outer Diameter) × Ø565mm (Inner Diameter) × 1600mm (Face Length)
  (Note: This likely describes a cylindrical sleeve that fits over the expandable mandrel)

Operational Speeds:

• Rolling Speed: Max 1200 m/min; Standard / Base 600 m/min

• Coiling Speed (Downcoiler): Max 1440 m/min

• Uncoiling Speed: Max 945 m/min

Tension Ranges:

• 1# & 2# Uncoiler Tension:

  • Max 365 kgf (3577 N)

  • Max 180 kgf (1764 N) (Likely for a specific gauge range)

  • Min 36 kgf (353 N)

• Coiling Tension (Downcoiler):

  • Max 250 kgf (2450 N)

  • Max 125 kgf (1225 N) (Likely for a specific gauge range)

  • Min 25 kgf (245 N)