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Rolling Mill Refurbishment
Steel Rolling Mill Refurbishments

Revolutionising Rolling Mill Refurbishment

Leussink is one of the premier Australian providers of steel rolling mill refurbishment solutions. Our expertise encompasses sales, support, on-site machining, mill stand refurbishment, chock verification, and precision flat bearing installation for steel rolling mills. When it comes to breathing new life into rolling mill stands, we have a track record of resurrecting even the oldest ferrous and non-ferrous mills back to their original glory. Our refurbishment expertise extends your mill's lifespan, sidestepping the considerable expense of immediate replacement. Moreover, our portable metrology solutions validate the integrity of our refurbishing work, adding an extra layer of quality assurance. No job is too big or small for Leussink Engineering. Our reputation has garnered international recognition, leading us to undertake significant steel mill refurbishment projects in Romania, Italy, and most recently, Kazakhstan. Our collaboration with ArcelorMittal, the world's largest steel producer, for the refurbishment of six iron ore mills in Kazakhstan speaks volumes about the prowess of our technical staff and our commitment to continuous high-level training.  

Our Refurbishment Services

Rolling Mill Audit

Before refurbishing begins, Leussink conducts a comprehensive mill audit that thoroughly examines the condition of essential mill components, including the housing and chock fleet. The housing is critical for maintaining precise roll-set positions and controlling rolled geometries, while the chock securely holds the rolls in place, anchoring the entire set up.

Using advanced optical 3D metrology solutions, our audit process captures highly accurate data to assess wear, alignment, and structural integrity. This proactive approach allows us to identify issues early, ensuring that any necessary adjustments or repairs are made to keep your mill running at peak performance. Our goal is to help you achieve long-term operational efficiency by addressing potential concerns before they become costly problems.

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Lubricating Mill Stands

Proper lubrication between mill stand plates is vital for both seamless operation and effective plate protection. Quality lubrication minimises friction and wear, significantly enhancing the longevity of components and ensuring consistent, high-quality output. At Leussink, we offer specialised lubrication services that not only safeguard the structural integrity of your mill stands but also optimise production efficiency by reducing the risk of unexpected downtime.

Our lubrication process includes thorough assessments to determine the most suitable lubricants and application methods for your specific machinery. By tailoring our approach to each client’s needs, we ensure that your mill stand performs reliably, with minimised wear and maximum operational life.

Corts Rolling Mill Optimised

Getting the Full Gap View

Wear and tear are inevitable in rolling mill components due to harsh manufacturing conditions. Over time, this wear leads to an unacceptable gap between housing and chock liners, compromising the final product’s quality and commercial value. Leussink introduces Gap View, a cutting-edge system that eliminates guesswork. Gap View, our patented hardware and software system, takes real-time gap measurements before, during, and after the manufacturing process, enabling real-time decision-making and later analysis.

Leussink’s Component Management System, utilizing RFID technology, offers unparalleled inventory management. It optimizes rolling mill maintenance and production processes, streamlining operations and enhancing efficiency.

Full Gap View

Precision Flat Bearings

Flat bearings play a pivotal role in the smooth operation of rolling mills. They serve as a vital component, safeguarding chocks and housings against damage and significantly reducing maintenance-related downtime.

Precision Flat Bearings, in particular, stand out for their exceptional ability to protect chock and housing surfaces while exhibiting minimal engineered wear. This outstanding durability enables mill stands to consistently produce high-quality rolled products for extended periods by maintaining an optimally tight gap.

What sets Precision Flat Bearings apart is their integration of advanced monitoring devices. These innovative sensors provide invaluable real-time insights into production conditions, offering early warnings of potential mill wear or damage. This proactive approach allows for swift action, whether it’s repairs or refurbishments, ensuring that your mill can sustain optimal rolling conditions for longer durations while drastically minimizing ongoing wear and damage concerns.

Precision Flat Bearings

Roll Profile Measuring

Leussink’s roll measuring instruments use a precise scanning micrometer to collect critical roll profile data for quality assurance and grinding optimisation, enhancing roll longevity. This tool captures roll profile data before and after each grinding session, enabling continuous monitoring to refine the grinding process and extending the roll’s lifespan.

Designed for demanding environments of rolling mills and roll grinding shops, it combines advanced electronics with user-friendly software for instant, detailed on-screen profiles. Users can save profile data after each re-grind, maintaining a comprehensive grinding history for each roll over its lifespan. With over 30 years of proven precision and durability, this tool remains an industry standard.

Roll Profile Measuring

Precision Reconditioning

Over time, chock and housing surfaces can sustain damage from wear, corrosion, or the impact of heavy machinery. While flat bearings and lubrication systems help to prevent this, issues like incorrect bearing materials, inadequate lubrication, or prolonged use can still lead to surface deterioration that necessitates machining to repair.

Unchecked damage to mounting surfaces can cause a range of issues, including:

  • Loose bearing mounts, leading to uneven impact and wear.
  • Water infiltration, causing corrosion behind the bearings.
  • Misalignment of rolls, reducing production quality.

At Leussink, we specialise in precision surface reconditioning. Using custom-designed milling machinery, our expert team restores components to meet or exceed OEM specifications, ensuring the highest production quality.

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