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Machinery, Technologie, Unkategorisiert
FIMI High-Precision Circular Slitting Shear
FIMI Solution for GO and NGO Electrical Steel with Advanced Coatings
To meet increasingly demanding market requirements in processing grain-oriented (GO) and non-grain-oriented (NGO) electrical steel, FIMIGroup has developed a high-precision circular slitting shear designed to ensure perfect cutting performance and total surface protection.
Electrical steel involves sensitive insulating coatings, applied on one or both sides, ranging from 0.5 to 6 microns in thickness. Common examples include Axalta Voltatex 1230 (EC3), Axalta Voltatex 1250 V (EC5), and Rembrantin EB 5350s.
Why Traditional Solutions Are Not Enough
Processing these materials requires high-strength special blades, ceramic spacers, micron-level tolerances and absolute mechanical stability over time.
Traditional double-eccentric systems, with multiple moving parts, cannot guarantee the required precision, especially under thermal or load variations.
The FIMI Solution: Absolute Mechanical Precision
FIMI slitting shears guarantee tolerances within a few microns, advanced clearance adjustment systems, mechanical stability independent of thermal expansion, and precision maintained even at operating speeds above 500 m/min.
During assembly and workshop testing, the following parameters are verified:
- Upper and lower shaft concentricity
- Perpendicularity during vertical movement
- Axial gap of upper and lower mandrels
- Radial gap of upper and lower mandrels
The Core of the Line: Shear + Patented NFTS®
The shear operates in combination with FIMI’s patented NFTS® – Non Friction Tensioning System, designed to ensure uniform recoiling tension on all slit strips.
NFTS® eliminates friction on strip surfaces, is configurable according to material properties, and ensures uniform, damage-free recoiling.
Retrofit and Line Upgrade Solutions
In addition to equipping new state-of-the-art lines recently commissioned to us (EMS Netherlands, PMS Poland, SARL Algeria), the FIMI slitting head can be installed in existing lines, significantly increasing cutting quality, surface protection, productivity, and long-term reliability.
With the acquisition of SACMA, with more than 50 magnetic steel cutting lines operating worldwide since 1975, FIMIGroup further strengthens its leadership in this segment.
Processing GO or NGO electrical steel? Contact our engineering team for a technical consultation.
📩 marketing@fimigroup.it
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