We draw on expertise gained over the course of 80 years working to strict, in-house standards to manufacture unique, high-precision gears. In order to meet customer needs with sophisticated solutions, we pursue precision and quality by means of an integrated production system and innovative product design proposals, flow analysis, structural analysis, material selection, mold design, molding, and measurement capabilities.
High precision
Double helical gear

High-precision molds and optimal molding conditions are key to the achievement of high levels of precision.
Mass-production criteria for high-precision gears that meet or exceed JIS Class 5 and JGMA Class 2 standards and integration of mold machining accuracy and molding technology enable us to produce high-precision gears.
- Material
- POM
- Dimensions
- 30 mm dia., module of 0.5 to 0.8 mm
- Accuracy
- JIS Class 3
Drum flange with double helical gear

Run-out accuracy within 10 µm
Realizing run-out accuracy within 10 µm, these gears are in mass production for use in high-precision color copiers.
- Material
- PC
- Dimensions
- 30 mm dia., module of 0.8 to 1.0 mm
- Accuracy
- Run-out tolerance of 10 µm
Unique gear
Oval gear

Rotational speed change capability
We meet a range of customer needs for unique gears such as oval gears.
- Material
- Special PA base material
- Dimensions
- 30 mm dia., module of 0.5 mm
Worm

Achieving a high speed reduction ratio in a limited space
These gears see use in a wide range of areas where specifications require a high speed reduction ratio in a limited space, including office equipment, automobiles, and indicators.
- Material
- POM
- Dimensions
- 10 mm dia., module of 0.2 to 1.0 mm
Worm wheel

We have succeeded in manufacturing highly complex molds with deep undercuts.
These gears are used in drive units for power windows and wipers.
- Material
- POM
- Dimensions
- 58 mm dia.
- Accuracy
- Concentricity of 0.05 mm or less
Bevel gear

Production that leverages special machinery and technology
These gears are used to change the crossing angle between input and output shafts. Cutting gears for electrodes also requires special machinery.
- Material
- POM, PA
- Dimensions
- 15 mm dia.
Cam

We're capable of accommodating a variety of cam shapes, including flat cams and solid cams, with a high degree of flexibility.
These cams are used in applications including office equipment, audiovisual appliances, and onboard vehicle parts.
- Material
- POM
- Dimensions
- 5 mm or more