TPT July 2009

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Industry News
July 2009 7 ›
3-roll reducing and
sizing block for India
Bhushan Power & Steel Ltd, India, is a steel
producer with seven manufacturing facilities
at four different locations in India and an
annual turnover of more than US$750
million.
A modern combined wire rod and bar mill
will be installed adjacent to the company’s
new integrated steel plant in Jharsuguda in
the state of Orissa. The core technology of
the new 500,000 tpy rolling mill is a 3-roll
reducing and sizing block (RSB) from
Friedrich Kocks GmbH & Co KG, Germany.
The order includes the design, supply,
erection and commissioning of a 4-stand
3-roll RSB with a nominal roll diameter of
370mm. The reducing and sizing block is
prepared for a possible future extension to
five stand positions and will be implemented
after stand No 18 of the 2-high roughing
and intermediate mill.
As a finishing block, the RSB rolls finish
straight bar lengths within the range of 16
to 80mm Ø and hexagons within the range
of 18.25 to 50mm onto the cooling bed, as
well as bar in coils of 16 to 60mm Ø. As a
pre-finishing block, the RSB produces all
necessary pre-sections for the downstream
wire rod finishing block.
An extended ‘free-size’ range of up to
±1.5mm from the nominal size allows rolling
of a variety of sizes with tightest tolerances
only by adjusting stands and guides via
remote control.
The optimum adjusting values for motor
speed, rolls and guides as well as gear
steps depending on the final product are
calculated by the Bar Mill Configuration
System (BAMICON). The adjustment is
done automatically within a maximum of
one minute. This allows for a trouble-free,
economic production of high quality bar.
When the finished dimensions exceed the
‘free-size’ range, the quick stand changing
system allows stands to be changed in less
than five minutes. Any size can be rolled
without restrictions with regard to availability
of the complete mill, by using a minimum
number of roll sets and stand changes.
Friedrich Kocks GmbH & Co KG –
Germany
Fax: +49 2103 54 028
Email:
Website:
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