Used Frohling 4-HI Reversing Cold Rolling Mill with AGC | Galaxie Corporation, Wayne, Michigan, USA

This used Frohling 4-HI reversing cold rolling mill with AGC is available from Galaxie Corporation. It is a complete line built by Frohling in Germany that reduces metal strip by cold rolling, with a maximum rolling thickness of 0.250 in (6 mm) and a minimum of 0.010 in.

The mill takes strip 6–18 in wide, with a 20 in work roll face and a maximum rolling force of 400 t. Rolling speed reaches 1,000 fpm, driven by a 958 HP main motor. The page states the mill was mechanically and electrically upgraded in 2012.

A large stock of spare rolls and work roll chucks is included with the line.

Key Features

• Four-high mill with automatic gauge control (AGC)
• Hydraulic screw downs
• Siemens PLC and drives
• Siemens DC motors on the uncoilers and recoilers
• Two coil cars, plus an exit coil car
• Line direction right to left
• Spare rolls and chucks included

Technical Specifications

• Make: Frohling (Germany)
• Type: 4-HI reversing cold rolling mill with AGC
• Rolling thickness: 0.010–0.250 in
• Strip width: 6–18 in
• Work roll face: 20 in
• Work roll diameter: 8 in
• Back-up roll diameter: 24.5 in
• Max rolling force: 400 t
• Max rolling speed: 1,000 fpm
• Main motor: 958 HP
• Uncoiler motors: 2 x 218 HP Siemens DC
• Recoiler motors: 2 x 210.5 HP Siemens DC
• Coil ID: 20 in
• Max coil OD: 60 in
• Max coil weight: 5 t
• Line direction: Right to left
• CNC control: No
• Spare work rolls: 17 new, 15 used
• Spare back-up rolls: 10 new, 2 used
• Work roll chucks: 21

Applications

• Cold reduction of metal strip to thinner gauges
• Producing narrow-width coil to a controlled thickness
• Strip processing in metal mills and service centres

Commercial Details

• Make: Frohling
• Condition: Used
• Location: Wayne, Michigan, USA
• Seller: Galaxie Corporation

Frequently Asked Questions

• What strip sizes can this mill roll? It rolls strip 6–18 in wide, from a maximum of 0.250 in thick down to 0.010 in.
• What is included in the line? The line has a pay off, uncoiler, 4-HI mill with AGC, hydraulic screw downs, recoiler, two coil cars, an exit coil car, and Siemens PLC and drives.
• Are spare rolls included? Yes, 17 new and 15 used work rolls, 10 new and 2 used back-up rolls, and 21 work roll chucks.
• What should I ask when enquiring? Ask for photos or video of the mill under power, inspection arrangements, the 2012 upgrade records, electrics and control documentation, the spare roll condition, and loading and shipping details.