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BackgroundOutokumpu Stainless in Avesta, has built up
a continuous process when it comes to service
and check-ups of roll force measurement load cells
in the roughing and steckel mills. In order to carry
through pro-active maintenance and secure quality
Avesta follows a load cell rotation schedule where
the roll force load cells are checked and serviced
on a regular basis.
In order to avoid possible future problems there is
in the roughing mill 1 set of spare load cells and in
the steckel mill there are 2 sets of spare load cells.
These backup units (load cell packages) are needed
in case of unpredicted events in the mill.
The most important factor is to keep the standstill
time to an absolute minimum level. The cost for
rolling mill standstill is very high in comparison
to keep load cell spares available 24/7.
What is the main benefits with ABB’s Millmate
Roll Force systems and what has been achieved?
We ask Mr. Kristian Wikström, Automation Engineering
and Mr. Ulf Jansson, Electrical Technician Automation
(both working in the roughing and steckel mills)
who concordantly express their opinion about the
ABB Millmate Roll Force System installations:
”ABB’s Millmate Roll Force Systems (MRF) have been
working very well over the years and the MRF load cells
together with the electronics Millmate Controller
400 (MC400) is an unbeatable combination.
The MC400 is very user-friendly and easy to operate.”
“Despite the tremendous heat and harsh environments
in the roughing and steckel mills the MRF roll force
measurements are accurate and stable and you always
feel secure that the load cells are doing the job.
Further, the load cell packages are excellent and work
very well in the load cell rotation schedule we have
successfully maintained in Avesta Works.”
“ABB’s Millmate Roll Force load cells combined with precision machined pressure plates certainly contribute to better control
of the rolling process, safe stable rolling, improved strip/plate
quality and less scrap.”

“ABB’s Millmate Roll Force load cells combined
with precision-machined pressure plates certainly
contribute to better control of the rolling process,
safe stable rolling, improved strip/plate quality
and less scrap.”
“A small but excellent improvement is the connector
cable on the load cells. The O-ring now stays with
the cable and doesn’t fall out as it used to do before.
Great!”
Outokumpu Stainless in Avesta, Sweden is relying on stable
measurement from the ABB Force Measurement products
in their hot and cold rolling mills.