MINO 4-HI BREAKDOWN ROLLING MILL

MINO 4-High Breakdown Mill is complete with fume extraction equipment. The mill performs the primary cold reduction prior to intermediate rolling.

Floor space required is approximately 700 m² with an installed electrical capacity of 3,200 kW.

Lubrication is provided through Prosol NT70 emulsion (2.5%) and Achenbach Filtration system

Automatic Gauge Control is achieved using both mechanical screw downs and Hydraulic Gap Control (HGC).

Operating specifications include:

• Coil Inside Diameter: 600–
• Coil Outside Diameter: 1,600 mm
• Strip width: 440–1,040 mm
• Thickness reduction: 15.5 mm to 0.6 mm
• Winder Motors: 430 Kw DC
• Winders with Outboard Support
• Maximum rolling speed: 150 m/min
• ABB Thickness Gauge
• Siemens S7-400 PLC, 2014
• Mino Superstack Filtration System

LINE CONFIGURATION

Entry Payoff: 

Underground coil car 

Mandrel type Uncoiler with hydraulic drum expansion     

Mandrel OD: 500 – 600mm (LEAFS) 

Snubber Roll Control Arm

Edge control system 

Motor: 100kw- 500V DC drive 

Peeler table  

Edge guiding rolls 

Pinch roll stand – 15kW Motor 

Transport table 

RIGHT SIDE WINDER Right 

2 speed gear box 

Motor Drive: 430kW,  520V DC

Winder Outboard Bearing Support 

Underground coil car 

Transport table with hold down roll 

Pinch rolls + speed measurement roll 

Crop shear 

ABB Eddy current thickness gauge 

MINO 4HI BREAKDOWN MILL

• Work Roll: 400mm Dia x 1250 Face width 
• Back Roll: 960mm Dia x 1170mm Face width
• AGC Roll Bending, Roll Balancing
• Hydraulic screw down + Pancake cylinder 
• Roll change sledge 
• Mill motor: 1250kw @ 600V DC with 2 speed gearbox 
• Back-up rolls: 1170mm width x 850mm diameter 

LEFT SIDE WINDER 

 Mandrel OD: 500mm 

Winder motor: 430kW @ 445V 

Winder Outboard Bearing Support 

5 – roll straightener 

Edge guides 

Crop shear 

Pinch rolls 

ABB Eddy current thickness gauge 

Underground coil car