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S
eptember
2008
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Different users can have different rights in the system such as
‘read only’ or ‘administrator’ to protect modules from unauthorized
access.
3.1.1 Products
The products module is the central module to operate the stretch
reducing block. The user can define different products, which can
be related to different rolling cycles (figure 3). These cycles are
used to arrange products in groups.
Grouping can be achieved in relation to the rolling plan in the mill or
with reference to grade, size, and wall thickness. Other criteria can
be easily selected by the customer.
3.1.2 Parameters for technological
functions
Together with the calculation of the speed data for
the motors, the parameters for the technological
functions are determined. Each technological
function, described in the chapter ‘TecBox’, has
a set of parameters in order to adjust the system
best.
Only the most necessary set of parameters
is presented to the customer for manual
adjustments. All other parameters are determined
by the program in relation to the pass design,
size and wall thickness.
For example, factors for the HEC depend on the
number of rolling stands used for the specific
product.
3.1.3 Roll set management
Conventional stretch reducing mills with group drives and non-
adjustable stands have many stands whereas the new Kocks SRB
has roll sets for the whole production schedule, but needs only few
stands. After rolling, the roll sets are dismounted from the stands
and new roll sets for a different product are mounted.
Therefore, a very important function is roll management, which
means machining, re-machining, and modification to a different
position in the pass schedule. For the remote control system, the
knowledge of the installed roll system is also necessary to determine
the adjustment values.
3.1.3.1 Roll history
All steps of the lifecycle of the roll sets in the SRB can be managed
with the Tumicon mill manager.
Roll definition
In the roll definition module, suitable passes are
defined for all products with regard to the pass
design; Tumicon automatically performs this
activity. Normally, the list of passes is created
by Kocks. However, the user can define their
own passes, eg for a different free-size range or
different finished sizes.
Ordering of roll sets
By using the order function in the roll definition
module, a new roll set is inserted in the roll
inventory module. Tumicon allows manual
designation of the individual roll sets, but
the use of automatic numbering (standard
description) with a unique identifier is
recommended. It is possible to create a list of
rolls to be ordered to obtain the new roll sets
from a supplier. All necessary geometry data
are available.
Figure 2
:
Modules for administration and configuration
Figure 3
:
Screen of product definition