1. No category

Modernization of 20-high reversing mill
at HUGO VOGELSANG GmbH & Co. KG
www.andritz.com
Project description
Line data
Customer
HUGO VOGELSANG GmbH & Co. KG,
Hagen, Germany
Strip thickness
0.04 mm-3.5 mm
Strip tensions
6 kN-180 kN
Strip speed
500 m/min
Material
C-steels and alloyed steels
Rolling force
2,400 kN
Drive power
2 x 450 kW
The 20-high reversing mill at HUGO
ordination of the classic sequence and
particular attention was directed to the
VOGELSANG has undergone extensive
media control, as well as including a
ergonomic design of the working envi-
modernization by ANDRITZ Sundwig.
technological process computer to en-
ronment. The hydraulic screw down of
The complete control electronics now
sure optimum production. Operation of
the mill and the control device for inter-
correspond to today’s state-of-the-art
the line is controlled from a centralized,
mediate roll shifting were also renewed
equipment. Moreover, the drive and
air-conditioned, main control stand. For
at the same time. The horizontally ad-
control systems have been replaced,
this purpose, the rolling mill operator is
justable steering rolls added in the entry
and all drive motors completely over-
assisted by a comprehensive process
and exit sections enable simple rolling
hauled. A modular and digital control
visualization system as well as a video
of wedge-shaped strip. In order to opti-
system consisting of automatic thick-
system. Extension of the fault indication
mize the strip guiding system, the entry
ness, strip shape and strip tension con-
and evaluation tools permits a prompt
and exit tables were re-machined. In the
trols, as well as a strip guiding system
analysis of any deviations occurring, as
mill stand itself, the cooling and spray
are now being used as a replacement
well as contributing to line process op-
plates were optimized and the rolling oil
for the previous line control system.
timization and improved maintenance.
cooling system provided with a new filt-
The automation system deals with co-
In designing the main control stand,
ration system.
Rewinding group, left
Rewinding group, right
Double coiler, revolver type
Roller-type coiler
▲Reversing mill with recoiling groups
After modernization work, strip thickness
deviations of 1-2 microns and strip shape
deviations of 4-6 I-units were achieved. The
quality reports below show the strip thickness and strip shape results during acceptance tests for a selected wedge-type strip.
ANDRITZ Sundwig’s scope of supply
Mechanical modernization projects
Hydraulic screw down
Axial shifting of the intermediate rolls
Guide and spray plates
Steering roll unit with shielded shapemeter roll
Modernization of the shape measurement and control systems
Electrical modernization of the mill stand and
the rewinding groups
Automation systems
Technological control systems for strip thickness, roll force, strip tension, strip guiding, and strip flatness
▲ Statistical process control
Drive technology
Main control desk with process visualization and video system
Technological process computer
Our scope of supply
Turnkey systems
for the processing of steel, stainless steel, coated metals, non-ferrous metals and special materials
Cold rolling mills
for reducing, skin passing, cladding, and finish rolling in 20-high, S6-high (18-high), 12-high, 6-high,
4-high, 2-high designs and combinations of 2-high/4-high or 4-high/S-6 high design, available as
one-way, reversing or tandem mill, in-line and offline
Finishing lines
for cutting-to-length, slitting, side trimming, rewinding and inspection
Shape control systems
for cold rolling mills and strip processing lines
Roll grinders
Strip processing lines
for annealing, pickling, shot blasting, metal coating, hot-dip galvanizing, plastic coating, painting,
surface conditioning, tension leveling, coil preparation, coil build-up, grinding, polishing, etc.
Automation
Complete electrical equipment including drive systems, process automation and level-2-systems
for cold rolling mills, strip processing lines and finishing lines. Technological control systems for
cold rolling mills, such as thickness control systems (AGC) as well as fully automatic roll change
systems for rolling mills
Modernization of existing production equipment
ANDRITZ Sundwig GmbH
Stephanopeler Str. 22,
58675 Hemer, Germany
Tel.: +49 (2372) 54 0
Fax: +49 (2372) 54 200
sundwig_welcome@andritz.com
All data, information, statements, photographs, and graphic illustrations in this leaflet are without any obligation and raise no liabilities to or form part of any sales contracts of
ANDRITZ AG or any affiliates for equipment and/or systems referred to herein. © ANDRITZ AG 2013. All rights reserved. No part of this copyrighted work may be reproduced, modified
or distributed in any form or by any means, or stored in any database or retrieval system, without the prior written permission of ANDRITZ AG or its affiliates. Any such unauthorized use
for any purpose is a violation of the relevant copyright laws. ANDRITZ AG, Stattegger Strasse 18, 8045 Graz, Austria
ASundwig.Vogelsang.Modernisierung.20-Rollen-Reversiergerüst.EN