Case Study on Gear Machining for Automotive Transmissions
Spiral bevel gears are transmission components that enable smooth, low-noise operation with a stable transmission ratio; they are also known as hypoid gears. They feature high transmission efficiency, stable gear ratios, a large arc overlap coefficient, high load-carrying capacity, smooth and quiet operation, reliable performance, a compact structure, energy and material savings, space efficiency, excellent wear resistance, long service life, and low noise levels. Among various mechanical transmissions, spiral bevel gears stand out for their high efficiency, delivering significant economic benefits—particularly in high-power applications. When transmitting the same torque, they require fewer components and occupy less space compared to other gear sets. Moreover, spiral bevel gears offer permanently stable gear ratios, reliable operation, and extended service life.
The driven spiral bevel gear is one of the functional classifications of spiral bevel gears and serves as a critical component in automotive transmissions.
So how exactly is the transmission stability, low operating noise, and long service life of this type of driven spiral bevel gear ensured? Shinmyung Technology recommends an outstanding machine tool for machining spiral bevel gears—the Doosan PUMA2100S (made in South Korea), a dual-spindle CNC lathe.
An 8-inch-class, high-performance, premium turning center with the following features:
- Equipped with a high‑power spindle motor of the same class, it enhances the rigidity of the box‑type guideway and turret, enabling both heavy‑duty cutting and high‑precision machining.
- The lathe’s length, drilling capabilities, and sub-spindle can be freely combined to create a variety of production lines.
- Designed with customer convenience in mind, featuring simple operation and easy maintenance.
Shenming Technology, a manufacturer of driven spiral bevel gears in Jiangsu, has shared the following machining video and images of finished parts using the PUMA2100S machine tool from Doosan Machine Tools (formerly “Doosan Machine Tool”):
Machining video of the Doosan Machine Tool PUMA2100S
Images of the driven spiral bevel gear
For more gear machining solutions, please contact Beijing Smart technology Co.,ltd. at 010-57076158.
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