Today, we'll explore the key process behind manufacturing large castings for wind turbine generator housings and explain why we've chosen CO₂ shielded welding (CO₂ welding) to produce these parts.
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Wind turbines work on a simple principle: instead of using electricity to make wind—like a fan—wind turbines use wind to make electricity.
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As of March 2025, China has emerged as the world's offshore wind powerhouse — growing from under 5 GW in 2018 to 42. 7 GW in 2025 (50% of global capacity). Offshore wind could play a role in decarbonizing China's coastal provinces, but fossil fuels stand in the way.
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The tips of a modern wind turbine's blades can reach speeds of over 200 mph (322 km/h), although the actual rotational speed, measured in RPM (revolutions per minute), varies significantly depending on the turbine's design, size, and wind conditions.
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