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For the power and distribution transformers is manufactured from various grades of CRGO steel. As transformer lamination have to be done according to different specifications given by customers, the whole process is carried out in one section itself so that flexibility and better control can be achieved.
Lamination cutting process
Lamination in various shades and sizes are slit and are cut in required accurate geometrical shapes with 90 degree and 45 degree cutting systems. Various machinery is used throughout the process.
Firstly, the slitting machine is used to slit the CRGO.
In this process minimizing the burrs is very important
aspect. Then shearing angle is checked for a perfect
match at the edges during initial setting. Shearing
machine is used for this purpose.
Lamination Shape Processing
After this, the materials are hole punched and 'V' notched
using the power press. For achieving accuracy, Tungsten
Carbide tipped tools are utilized for performing 'V'
notching operation. Now at this point of time, the material
develops residual stresses because of the sensitivity.
To eliminate such stresses, the laminations are taken
to the Roller Hearth Annealing Furnace. The processing
in this furnace prevents any probable distortion, shortens
the cycle time and ensures that insulation is sustained
even at high temperatures.
Finalization Lamination Cutting Process
At the end, the processed materials are brought in to
inspection department where it is thoroughly checked
for its technical details and its dimensions by QC professionals
and forwarded to packing department. In packaging department,
the finished products are packed in wooden pallets according
to its size and a full description of the material including
technical details is attached with the pallet and it
is then dispatched to the respective client.
Vardhman Stampings Pvt. Ltd. Transformer Lamination services Shape, cutting Processing services Provider in India
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