Tension Leveler Roll Cassettes – The Core Work Roll Assembly for High‑Precision Metal Straightening
In the field of metal sheet processing, the tension leveler is the key equipment for ensuring strip flatness and eliminating internal stress, and the roll cassette, as the core assembly of the leveler, directly determines the final product quality and production efficiency. The work rolls (or intermediate rolls) inside the cassette perform both supporting and straightening functions, effectively preventing the work rolls from bending and deflecting during high‑speed operation, thereby ensuring uniform strip thickness and a smooth surface, and avoiding shape defects caused by roll system deflection.
Core Advantages of Tension Leveler Roll Cassettes – High‑Wear‑Resistant Work Roll Materials with GCr15 and 9Cr2Mo Heat Treatment Process
Ascon tension leveler work rolls, manufactured from GCr15 bearing steel and 9Cr2Mo alloy tool steel, deliver high surface hardness (HRC63–65) with a uniform hardened layer depth of 3–5 mm and precision chromium plating (0.03–0.05 mm) for enhanced wear and corrosion resistance. These rolls effectively resist fatigue and impact, ensuring stable operation in high‑speed, high‑precision straightening. They are widely used in automotive, home appliance, and construction industries for flattening steel sheets and structural components. Additionally, the integrated positive/negative bending technology enables precise control of strip flatness, reducing defects and improving production yield. With proven durability and reliability, Ascon roll cassettes support efficient, high‑quality metal processing.
Technical Parameters and Customized Bending Control Solutions for Tension Leveler Roll Cassettes
We provides standardized roll cassette parameters – base material GCr15 or 9Cr2Mo, surface hardness HRC63–65, hardened layer depth 3–5 mm, and chromium plating thickness 0.03–0.05 mm – and also supports non‑standard customization of roll diameter, spacing, and roll count based on strip material, thickness, width, and straightening speed. In addition, its work roll bending technology (positive and negative bending modes) precisely adjusts bending force to control transverse thickness distribution and internal stress, eliminating waviness, buckles, and other shape defects, thereby improving straightening accuracy, increasing line yield, and reducing scrap rates to enhance market competitiveness.
In summary, the material selection and performance quality of Ascon tension leveler roll cassettes directly affect strip quality and production efficiency. Choosing high‑wear‑resistant, high‑crack‑resistance cassettes made of GCr15 and 9Cr2Mo ensures stable, sustainable operation. Additionally, our advanced positive/negative bending technology further improves flatness and yield. With decades of experience and customized solutions, we help metal processors achieve precision straightening, lower scrap rates, and reduced overall costs.












