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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.

Quality

In the gear world, a deviation of mere micrometers can mean the difference between performance success and failure.

Use of the cutting edge machines in conjunction with Six Star's manufacturing process allows the production of gears that meet DIN-2, JIS 0 and AGMA 15 qualification standards.

Six Star has received ISO9002 certification, and already received AS 9100 certification for stricter aerospace quality standards, and is also a member of the American Gear Manufacturers Association (AGMA). By paying close attention to every aspect of the gears and gearboxes produced— including profile, lead, pitch, run out, and efficiency— and using measuring facilities, Six Star can ensure that the gears we produce will meet or exceed international standards.

TypePrecision Grade
AGMA
16
15
14
13
12
11
10
9
8
7
6
JIS


0
1
2
3
4
5
6
7
8
DIN1
2
3
4
5
6
7
8
9
10
11
12