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SHIP BUILDING
BLADES & PROPELLER MAINTENANCE

INTERNATIONAL DISTRIBUTION
SHIPS - NORTH AMERICA - 24 HOURS

Mining-Equipment-repair
Twin Heat Module-high quality
Twin heat module-user-friendly

Ship propeller and blade repairs require precise post-weld heat treatment to ensure durability and performance.

This case study highlights how a customized heat treatment solution addressed challenges like high-temperature control, complex shapes, and advanced monitoring technology, resulting in improved efficiency, cost savings, and enhanced component durability.

THE CHALLENGE

The repair and maintenance of ship propellers and blades presents unique challenges:
  • High Temperatures: The propeller and blades required post-weld heat treatment (PWHT) at much higher temperatures.
  • Complex Shape: The intricate shape of the propeller and blades required the use of customized flexible ceramic pads to ensure even heat distribution during PWHT.
  • Advanced Monitoring: A data recorder with Wi-Fi capabilities and a six-way console was essential for real-time monitoring and control of the heat treatment process.
  • Integrated System: The client required a solution where the data recorder and controller were combined into one system, easily controlled by a laptop.
pwht heat treatment of ship building maintenance needing to be repaired propellers and blades

SHIP REPAIR AND MAINTENANCE

Key Issue:
  • Equipment Mobility: Lightweight, user friendly portable equipment.
  • Fast Turn Around Time: Repair and maintenance work needs to be completed quickly to return equipment to the field in the shortest time possible.
  • Time and cost Efficient solution.
  • Regulatory Approval using a procedure that complies with strict regulatory standards.

SOLUTION

The following products and solutions were implemented to meet the challenges:
  • Heat View Console: A digitally designed six-way console that provided precision and real-time monitoring for heat treatment applications, fully integrated with Wi-Fi for remote access and control.
  • Channel Bank Heaters: Customized banks specifically designed for achieving higher temperatures, ensuring even heat distribution across the propeller and blades.
  • Cefir Wire: A high-temperature wire used to withstand the intense heat required for this specific application.

This combination of products and the new WPS enables shipbuilders to achieve high-performance welds that meet stringent standards, while also improving efficiency and reducing overall project costs.

channel bank heaters for heat treat of shipbuilding propeller and blade repair and maintenance higher temperatures than traditional methods in action

CHANNEL BANK HEATERS

heatview console daisy chain with wifi control for precise heating and control

HEATVIEW CONSOLE

RESULTS

The customized heat treatment process was successfully implemented, allowing for:
  • Precise Heat Control: The Heat View Console provided controlled heat application, meeting the specific temperature requirements of the ship’s propeller and blades.
  • Efficient Field Implementation: The flexible ceramic pads and channel bank heaters were easy to install and provided an adaptable solution to the complex shape of the blades.
  • Cost and Time Savings: With the combination of advanced heaters and digital controls, the project was completed efficiently, reducing overall downtime and operational costs.

ACHIEVEMENTS

  • Precise Heat Control: The Heat View Console ensured accurate temperature management, meeting the specific requirements for the propeller and blade PWHT.
  • Customized Solutions: Flexible ceramic pads and channel bank heaters adapted to the complex shapes of the propeller and blades, ensuring even heat distribution.
  • Integrated Monitoring: The Heatview console with Wi-Fi capabilities enabled real-time monitoring and control, streamlining the heat treatment process.
  • Cost and Time Efficiency: The solution reduced downtime, minimized operational costs, and improved overall repair efficiency.
  • Enhanced Component Durability: The precise heat treatment process strengthened the structural integrity of the ship's propellers and blades, ensuring long-lasting performance.

These achievements underscore the effectiveness of the tailored heat treatment solutions in overcoming the challenges presented in this case.

ship was quickly repaired with pre heat treatment solutions easy welding repair and maintenance in shipbuilding

SAFER SOLUTION

COST EFFICIENT

EXPEDITED PROCESSES

ON-SITE OR FIELD ADAPTABILITY

ENHANCED STRUCTURAL LONGEVITY

FREQUENTLY ASKED QUESTIONS (FAQ)

Common processes include annealing, tempering, and stress relieving. These treatments refine the metal’s structure, reduce internal stresses, and improve toughness and corrosion resistance.

CLIENT TESTIMONIALS

“The even heat distribution and efficiency provided by Cooperknit have significantly improved our pre-heating process. highly recommend it for any industrial heating needs!”
After a year of working with IHT, it’s clear they’re more than a vendor; they’re a strategic partner. Their ongoing support and innovation have been crucial to our growth.

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