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Double helical gears are advanced gear designs featuring two sets of teeth placed in a V-shaped arrangement. This design balances axial thrust forces, making them more efficient and smoother in operation compared to single helical gears. They are known for their high load capacity, quiet performance, and long service life, making them ideal for heavy-duty applications.
These gears are classified based on the arrangement of their helix angle and tooth design. Some are produced as single-piece gears for compact systems, while others are manufactured in split or multi-piece segments for easier assembly in large equipment. They can be made from hardened steel or alloy materials and often undergo precision grinding to ensure accuracy and durability.

Double Helical Gears feature two opposing helical teeth sets on the same gear, forming a V-shape. This design cancels out axial thrust, allows smoother power transmission, reduces noise, and is ideal for high-load, high-speed applications in heavy machinery and turbines.
Double helical gears are widely used in heavy industrial machinery such as turbines, compressors, rolling mills, and marine drives. Their unique design reduces vibration and noise, while providing reliable torque transmission in demanding power systems.