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Material Selection and Gear Structure Analysis for Gear Machining

Commonly used gear materials include quenched and tempered steel, quenched steel, carburized quenched steel and nitrided steel. The strength of cast steel is slightly lower than that of forged steel, and it is often used for gears with larger sizes; gray cast iron has poor mechanical properties and can be used in light-load open gear transmission; ductile iron can partially replace steel to make gears; plastic gears are mostly used Where light load and low noise are required, steel gears with good thermal conductivity are generally used for matching gears. After years of development in the gear industry, the future gears are moving closer to heavy load, high speed, high precision and efficiency, and put forward higher requirements for the size, weight, service life and cost performance of gear products.

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