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Special Springs - List of Manufacturers, Suppliers, Companies and Products

Special Springs Product List

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Examples of special spring applications

Active in a place like this! Introducing surprisingly many applications that can only be achieved with special springs.

Koei Spring Industry Co., Ltd. is a "specialized manufacturer of custom springs." It pulls in what is extended and pushes back what is contracted. The operation of springs may seem simple, but when conditions such as high temperatures of several hundred degrees or the passage of several decades are involved, the situation becomes suddenly complex. Our special springs are used in various fields, including "valve opening and closing for marine engines," "tension for construction machinery's endless tracks," and "shock absorption for industrial vehicle chassis." Because the energy is generated solely from the shape of the metal, we focus our efforts on the precision of that shape. 【Currently Active in These Areas (Excerpt)】 <Transportation Sector> ■ Aerospace: Pressure vent valve for fuel pipelines ■ Marine: Valve opening and closing for marine engines ■ Construction Machinery: Tension for construction machinery's endless tracks ■ Vehicle: Shock absorption for industrial vehicle chassis *For more details, please refer to the PDF document or feel free to contact us.

  • Spring
  • Contract manufacturing

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Special spring

We will take on the challenge of difficult-to-process special springs used in power generation equipment!

We manufacture "special springs" used in power generation equipment (thermal, hydro, nuclear). We produce springs that can withstand harsh environments with difficult quality and specification conditions. 【Features】 ■ Used in power generation equipment (thermal, hydro, nuclear) ■ Stable quality ■ Capable of handling harsh environments with difficult specification conditions *For more details, please refer to the PDF document or feel free to contact us.

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Q&A Collection: Frequently Asked Questions

We will answer frequently asked questions about Sugawara's products!

We would like to introduce some frequently asked questions from everyone. "Is it possible to manufacture the same item as the sample (actual product)?" "Can you provide the inspection results for the springs?" and so on. We will answer five questions. 【Frequently Asked Questions】 ■ Is it possible to manufacture the same item as the sample (actual product)? ■ Is it possible to manufacture without a drawing? ■ Can you provide the inspection results for the springs? ■ Do you have a catalog for standard products? ■ Is it possible to create several types of prototypes? *For more details, please refer to the PDF materials or feel free to contact us.*

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Special Springs for the Aerospace Industry

Responding to the difficult processing of materials suitable for the aerospace industry, such as SUS631! A list of handled materials is provided.

Our company manufactures "special springs" using materials such as SUS631 and corrosion-resistant, heat-resistant superalloys (AMS5698, 5699). We meet the high quality requirements and specifications in the aerospace field. We produce springs that can be safely used even in harsh environments. 【Materials for the Aerospace Industry】 ◎ Wire Shapes SUS304-WPA, WPB, SUS631J1-WPC, corrosion-resistant, heat-resistant superalloys (AMS5698, 5699) ◎ Sheet Shapes SUS304-CSP, SUS631-CSP, corrosion-resistant, heat-resistant superalloys (AMS5542, 5696), etc. ★ For more details, please check the material list available for download in PDF format. Feel free to contact us with any inquiries.

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Introduction of achievements in small-lot production of multiple varieties.

Utilizing past experience, we can achieve diverse and small-lot production!

We deliver springs that utilize over 70 years of experience since our founding. We offer a variety of products including "disc springs and spring washers," "spiral springs," and "special springs." We can accommodate a wide range of varieties and small production runs. Please feel free to contact us. 【Products Offered】 ■ Disc springs and spring washers ■ Spiral springs ■ Coil springs ■ Leaf springs ■ Constant pressure springs ■ Special springs *For more details, please refer to the PDF materials or feel free to contact us.

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We will take on the challenge of difficult-to-process special springs used in power generation equipment!

We will manufacture heat-resistant and corrosion-resistant springs that can withstand harsh environments with difficult specifications, utilizing our unique know-how accumulated over many years.

Our company manufactures "special springs" used in power generation equipment (thermal, hydro, nuclear). We produce springs that can withstand harsh environments with difficult quality and specification requirements. 【Features】 ■ Used in power generation equipment (thermal, hydro, nuclear) ■ Stable quality ■ Capable of handling harsh environments with challenging specifications *For more details, please refer to the PDF document or feel free to contact us.

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