Vibration isolation and damping for small structures and small equipment! Components widely used in fields such as architecture and civil engineering!
We would like to introduce our "Natural Rubber Bearings (NRB)." By using a laminated structure that alternates layers of natural rubber and steel plates, we can achieve low horizontal stiffness while supporting structures and equipment. This allows for their use as seismic isolation and vibration control/damping components. The hardness (elastic modulus) of the rubber can be varied over a wide range. 【Features】 ■ The horizontal load-displacement characteristics exhibit high linearity (with low damping) ■ Can be treated as spring element components ■ Laminated structures using natural rubber are widely used in fields such as machinery, architecture, and civil engineering ■ We can accommodate dimensions according to your requirements for cylindrical and rectangular shapes *For more details, please refer to the PDF document or feel free to contact us.
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【Shape and Dimensions (Example)】 ■Diameter: 50 mm ■Thickness of urethane rubber: 1.0 mm ■Number of urethane rubber layers: 25 layers ■Total thickness of urethane rubber: 25 mm ■Thickness of internal steel plate: 0.3 mm ■Number of internal steel plate layers: 24 layers ■Primary shape coefficient: 12.5 ■Secondary shape coefficient: 2.00 *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Since its establishment in 1971, Otsu Chemical has been a "pioneer of technology and quality" in the field of casting urethane resins, accurately responding to the needs of various industries and supporting societal development. Through the technological development centered on urethane rubber, we have been engaged in the development of new materials, new products, and new production technologies, while also utilizing our production technology in urethane casting to expand into other areas of liquid resins and liquid rubbers. As a leading company in the industry, we contribute to people's safe and prosperous lives and continue to challenge for a brighter future.