The KOCKS RSB® (Reducing & Sizing Block) is the global benchmark for 3-roll technology in SBQ sizing. More than 130 references worldwide speak for themselves. Designed for maximum precision, flexibility and productivity, the RSB® enables steel producers to achieve consistent dimensional accuracy and superior economic results – even for rolling the most demanding materials.
For rolling mills seeking the highest flexibility and reliability in the sizing process, the KOCKS RSB® with its advanced 3-roll technology offers the performance, precision and flexibility needed to stay ahead.
The 3‑roll passes deliver outstanding roundness and surface finish, reducing post‑production processing. Fine‑tuned 3-roll stands in a compact block lead to better mechanical properties, increased durability and an overall higher quality of the finish‑rolled products.
The proven machine concept of the RSB® 5.0 generation enables mills to operate more flexible and therefore more economically while reliably meeting the tough market requirements for special bar qualities.
The KOCKS RSB® is used wherever dimensional accuracy, performance and process stability are critical. The design combines a fast stand changing system with the unique KOCKS Free-Size Rolling philosophy in an advanced rolling block. Its flexibility and precision make an RSB® the preferred solution across a wide range of demanding industries and applications.
Significant gains in productivity and operational efficiency – unmatched by conventional sizing systems. This is what our customers call the KOCKS rolled® advantage.
The KOCKS RSB® is designed to adapt quickly while keeping the mill running. Its wide size range, fast and reproducible changeovers and intelligent setup support in the roll shop give producers the flexibility to respond to challenging production plans without compromising on quality.
The RSB®: A strategic asset for mills that need both flexibility and highest reliability in special bar quality production for best possible mill economy.
Let’s define how the RSB® can become your strategic asset for flexibility and highest reliability in special bar production.
Typically, the KOCKS RSB® comes with 4, 5 or 6 stand positions, allowing the sizing process to be precisely matched to production requirements and targets.
With different roll stand sizes, the RSB® sizing family also covers a wide dimensional spectrum to suit different bar dimensions, considering the individual characteristics of a large variety of material grades. The proven setups ensure accurate shaping and excellent ovalities.
| Finished sizes | |
|---|---|
| RSB® 300++ | up to 65 mm |
| RSB® 370++ | up to 100 mm |
| RSB® 435++ | up to 130 mm |
| RSB® 500++ | up to 160 mm |
Suitable for wire rod lines, bar-in-coil and straight bar mills.
Steel producers worldwide rely on the RSB®. In more than 130 reference installations KOCKS 3-roll technology sets the standards in rolling operations.
The RSB® is backed by the promise of the utmost reliability and can be upgraded with sophisticated digitalization and automation solutions to further optimize the processes inside the rolling mill.
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With more than 80 years of industry experience, KOCKS delivers proven technology that combines mechanical excellence, intelligent process design, modern automation & digitalization and close service – engineered for today’s requirements and tomorrow’s challenges.
A strategic investment in RSB® means performance security for the entire – decades-long – lifetime of the equipment.
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The KOCKS RSB® is used wherever dimensional accuracy, performance and process stability are critical. The design combines a fast stand changing system with the unique KOCKS Free-Size Rolling philosophy in an advanced rolling block. Its flexibility and precision make an RSB® the preferred solution across a wide range of demanding industries and applications.
The Promise: Significant gains in productivity and operational efficiency – unmatched by conventional sizing systems. This is what our customers call the KOCKS rolled® advantage.
