Wind Turbine Blade Weighing

Gravimetric Quality Assurance Solution for Wind Turbine Blades

ANYLOAD applied industry-leading tension link technology to develop a critical system for ensuring consistency in wind turbine blade manufacturing.

Wind turbine blades must be precisely balanced in weight and centre of gravity to minimize weight imbalances that can significantly shorten the expected service lifespan of wind turbines. Imbalanced blades can exert uneven forces on the rotor hub, leading to misalignment and material fatigue failures in the gear box and other turbine components.

How it works:

  1. Larger blades can weigh more than 50t yet a small imbalance of a few hundred kilograms can cause additional wear-and-tear on turbine gears.
  2. A weighing system is needed to measure a large, heavy structure (turbine blades can exceed 100m in length) extremely accurately.
  3. ANYLOAD developed a wireless tension link and custom mounting assembly with a certified high safety factor and calibrated to measure with extreme precision. For a 50t load, ANYLOAD tension link only had a margin of error of ±5kg.
  4. Blade manufacturer is able to use these measurements to correct each turbine to a consistent weight to minimize damage caused by vibrations to wind turbine components.
  5. A periodic service schedule for each load cell to be recalibrated and the system to be refurbished maintains continuous uptime and accuracy.

Custom Solution

ANYLOAD worked closely with the manufacturer’s global QA and engineering teams to develop, test, manufacture, and support a system that helps to ensure a longer lifespan for wind turbines.

Keywords:

Wind turbine blade weighing, wind turbine load cell, blade weight measurement, center of gravity measurement, tension link load cell, quality assurance, heavy load weighing, industrial weighing, renewable energy, custom weighing solution

Featured Products

The ANYLOAD 110BH is a tension link load cell manufactured from nickel-plated alloy steel, featuring a patented design built for reliable tension force measurement across a wide capacity range — from 1t to 120t. Its compact, symmetrical through-hole body accepts standard shackles at both ends, making it well suited for crane scales, overhead lifting and rigging systems, mooring and anchor line monitoring, and structural load testing applications where inline tension measurement is required.

Sets of custom mounting assemblies were required because standard shackle designs did not allow for high-repeatability measurements. These assemblies were tested and ISO17025 calibrated in tandem with the tension link load cells and instrumentation.

A fertilizer cart using Anyload's 563YS Single Ended Beam load cell.

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