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Henan Xingyang Mining Machinery Manufactory (formerly China State-owned Enterprise Xingyang Mining Machinery Factory) was established in 1956 as one of the designated manufacturers of the former Ministry of Metallurgy. After decades of development, it has become a Mines, building materials, metallurgy, and environmental protection machinery are the mainstays. It is a mechanical manufacturing enterprise integrating design, research and development, production, sales and installation.

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What is the difference between straight teeth and helical teeth on the large girth gear of a ball mill?

What is the difference between straight teeth and helical teeth on the large girth gear of a ball mill?

2026.03.19

The large girth gear is a critical component responsible for driving the rotation of a ball mill's shell. Its tooth profile design is primarily categorized into two types: spur gears (straight teeth) and helical gears (helical teeth). These two types exhibit significant differences in terms of load-bearing characteristics, operational smoothness, and manufacturing complexity.   With spur gears, the teeth run parallel to the gear axis. Their machining is relatively simple, resulting in low...

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