Taiheiyo Seiki K.K.

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Product Information

Precision Devices

The best solutions for each application

Major products

We provide the best solutions for each application, based on our extensive experience in providing products to construction machinery and road machinery manufacturers. Our reliable products have been praised for their excellent high-pressure and high-temperature properties, and for their long service life even under extreme usage conditions.

Major products

1

Rotary center joint

Rotary center joint

2

Tension cylinder

Tension cylinder

Rotary center joints

Rotary center joints for mini-excavators

Rotary center joints for mini-excavators

Rotary center joints

Rotary center joints for small to large hydraulic excavators

Rotary center joints for small to large hydraulic excavators

Rotary center joints

Rotary center joints for large cranes

Rotary center joints for large cranes

Tension cylinders

Cylinders for crawler tension

Tension cylinders

Toggle pins

Pins for injection molding machine type fastening units

Toggle pins

Technology and quality

Taiheiyo Seiki manufacturers products in the pursuit of world-class quality. Our high-quality materials and parts (such as seals) are obtained through our supply chain management system, while our rotating and sliding mechanisms are designed by expert engineers, and manufactured within our manufacturing system that makes use of advanced production technologies and quality management.

  • With twin spindles and two turrets, a finished product can be produced from casting materials within a single process

    With twin spindles and two turrets, a finished product can be produced from casting materials within a single process

  • With twin spindles and three turrets, a finished axle can be produced from round bar cuttings within a single process

    With twin spindles and three turrets, a finished axle can be produced from round bar cuttings within a single process

  • Assembling a body and shaft, and conducting a rotary torque test and leak test (using a leak tester)

    Assembling a body and shaft, and conducting a rotary torque test and leak test (using a leak tester)

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Products we have manufactured

Please feel free to contact us for information on products outside of the specifications and dimensions listed below.
Our organization can design and machine products to suit your requirements.

Rotary center joints

Rotary center joints
Category Class Working pressure Rotation speed Total length (L) Roller diameter (φA) Roller width (B)
For excavators 1.5 to 80 tons Up to 34.5 MPa Up to 15 rpm 300 to 590 mm 115 to 280 mm 110 to 205 mm
For cranes 40 to 65 tons Up to 30.9 MPa Up to 5 rpm 496 to 860 mm 280 to 450 mm 160 to 340 mm
For tunnel boring machines φ1950 to φ7250 Up to 20.6 MPa Up to 3.3 rpm 220 to 700 mm 150 to 400 mm 110 to 320 mm