Grand clock mainsprings – the heart of mechanical power transmission

Grand clock mainsprings are central components in the drive of mechanical grandfather clocks, wall clocks and tower clocks. As energy storage devices, they ensure that the movement runs reliably for many hours or even days. The spring is tensioned when wound and then releases its stored energy in a controlled manner to the gear train.

Function and significance
• The mainspring stores mechanical energy and releases it evenly.
• It has a decisive influence on the running time and power stability of the movement.
• A high-quality spring reduces wear and tear and ensures smooth, constant power delivery.
• Material and design made of hardened spring steel, which offers high elasticity and breaking strength.

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