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Spline Rolling Machine

Spline Rolling Machine

Spline Rolling Machine is inherently accurate, with surface finishes of 3 to 6 micro-inches obtainable by rolling.

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Experience Custom Gears

Experience Custom Gears

Founded in 1975 by six brothers, Six Star owns 40 years of experience on manufacturing precision gear products.

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Spur Gear and Helical Gear Manufacturer - Yieh Chen

Based in Taiwan, Yieh Chen Machinery Co., Ltd. is a spur gear and helical gear manufacturer with over 31 years of experience in gear industry.

With CNC gear machining, ISO certification and advanced software, Yieh Chen's high precision spur gears and helical gears are built with excellency.

Along with Spur Gears and Helical Gears, worm shafts, spiral bevel gears, bear boxes, gear pumps and gear racks are provided as well. All gears can be custom-made with innovative solutions to meet each customer's demands.

Technology

Gear Technology

~ Tomorrow's requirements are today's challenge. ~

Six Star knows that many customers are searching for gears that are unique to their product or machine. They need a manufacturing partner that can provide custom design services and overcome technical difficulties to create gears for any application. Six Star's gear engineers work with customers to discuss speed requirements, torque, horsepower, load, mechanical ratings and other specifications with the added benefits of shortening development time, achieving more practical designs, and lowering overall costs.

R & D

We cooperate with top research institutes to produce precise gears

To keep on the forefront of gear innovation, Six Star increases its R&D budget annually and cooperates with top research institutes in Taiwan and around the world. Through these alliances, Six Star develops precise gears with lower backlash, higher reducing ratio gearboxes, and non-involute drives while also nurturing talent for Taiwan's gear industry.