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  3. 三協製作所 本社事務所
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三協製作所 本社事務所

EstablishmentJuly 1, 1974
capital5500Ten thousand
number of employees48
addressKanagawa/Tsuzuki-ku, Yokohama-shi/4th Floor, Hiramoto Building, 1-28-11 Nakagawa Chuo
phone045-532-4141
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last updated:Oct 24, 2025
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三協製作所 Product Lineup

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Technology Introduction Technology Introduction
What is CFRP? What is CFRP?
Examples of CFRP applications Examples of CFRP applications
Comparison of properties between CFRP and various materials. Comparison of properties between CFRP and various materials.
Moldable shape Moldable shape
List of Corner Pipe and Round Pipe Molding Types List of Corner Pipe and Round Pipe Molding Types
High rigidity CFRP/metal composite pipe High rigidity CFRP/metal composite pipe
Q&A about CFRP Q&A about CFRP
Comparison

Comparison of properties between CFRP and various materials.

This is a comparison of the properties of CFRP and various materials.

Comparison of properties of CFRP and various materials

Free download of technical materials! A clear explanation of the characteristics and properties of CFRP and comparisons with various materials!

CFRP (Carbon Fiber Reinforced Plastic) is said to be a lightweight, strong, and corrosion-resistant advanced functional material. Due to its excellent mechanical properties and outstanding characteristics derived from carbon, it is widely used. This document not only explains the excellent features and properties of CFRP but also includes comparative materials with various materials such as GFRP, AFRP, and aluminum alloys. We hope this will be helpful in your material selection! [Featured Materials (Partial List)] ■ FRP Advanced Composite Materials ■ High-Performance Metals ■ Performance Engineering Plastics ■ Inorganic Materials *For more details, please download the catalog or contact us.

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Robot hand frame for liquid crystal manufacturing equipment

The corner tube assembly is our utility model. It is lightweight, rigid, and further improves vibration damping!!

●Long Hollow Square Tube for Robot Hand and Fork We manufacture hollow tubes with various cross-sectional shapes that have a maximum elasticity of 350 GPa in the length direction, necessary for long robot hand and fork types. 【The robot hand using a square tube assembly structure is our utility model.】 【Technology Introduction】 ◆ A lightweight and high-rigidity CFRP robot hand that reduces amplitude decay time to "1/3" We have developed a structural product with high vibration damping properties without compromising the lightweight and high rigidity of the CFRP square tube structure hand. *Comparison results with our existing structural products are included in the downloadable materials. ★For more details, please request materials or download the documents★

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Sankyo Manufacturing Co., Ltd. Company Profile

Leave the analysis/design, molding, and processing assembly of products made from difficult-to-machine materials to us.

Sankyo Manufacturing Co., Ltd. conducts analysis, design, molding, and assembly of products made from materials such as plastics, glass fiber reinforced composites (GFRP), carbon fiber reinforced composites (CFRP), and difficult-to-cut materials like non-ferrous metal ceramics. Utilizing processing technologies developed over 40 years, we strive to provide prompt and suitable solutions to meet the diverse needs and requests of our customers, ranging from functional components that support daily life to advanced high-function structural materials. 【Business Activities】 ■ Design, molding, processing, and assembly of various plastics ■ Design, molding, processing, and assembly of various composites ■ Grinding and cutting processing of various new materials ■ Design and manufacturing of automatic machines and conveyors *For more details, please refer to the PDF document or feel free to contact us.

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"CFRP long material processing service" *Free helpful materials also provided.

We can process long items with a maximum size of 7m in length and 1m in diameter! We are also offering helpful materials that clearly explain the characteristics and properties of CFRP, as well as comparisons with various materials.

CFRP (Carbon Fiber Reinforced Plastic) is said to be a lightweight, strong, and corrosion-resistant advanced functional material. It possesses excellent mechanical properties and outstanding characteristics derived from its carbon content, making it widely used across various applications. Additionally, we have large-scale equipment that can handle the processing of long items measuring "7m in length and 1m in diameter." ★ We are currently offering a 'CFRP and Various Materials Property Comparison Table' that is useful during the design phase as a gift. ★ This includes explanations of the excellent features and properties of CFRP, as well as comparative materials such as GFRP, AFRP, and aluminum alloys. 【Included Materials (Partial Excerpt)】 ■ Overview of CFRP (Carbon Fiber Reinforced Plastics) ■ Classification and Characteristics of Carbon Fibers ■ High Vibration Damping CFRP Robot Hand * The materials can be viewed by clicking the "PDF Download" button below. * For inquiries such as quotes, please feel free to consult us through the "Contact Us" section.

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