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Main spring Product List

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Hayami Spring Co., Ltd. Business Introduction

Hayami Spring Co., Ltd. Business Introduction

Hayami Spring Co., Ltd. is a specialized manufacturer of clock springs and constant load springs.

A spring refers to a mainspring. A mainspring is a product that can store rotational force (torque), in other words, it is a "product that can accumulate energy." Utilizing this characteristic, it is used as a power source for various products. Among them, the mainspring for seatbelt retractors is supplied to various automobile manufacturers and boasts the top market share in the country. Hayami Spring Co., Ltd. meets strict quality standards and advanced performance specifications, and continues to enhance its development design capabilities and production technology to create new value. We strive to contribute to the development of a harmonious and prosperous society through manufacturing. 【Product Line】 ○ Mainsprings (for automobiles, home appliances, precision machinery) ○ Constant load springs For more details, please contact us or download the catalog.

  • Spring
  • Main spring

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【New Product!】Wire-Driven Spring Mechanism *Feature Description Document

【New Product!】Wire-Driven Spring Mechanism *Feature Description Document

A new option for "sliding door products"! Equipped with an S-shaped spring that allows for a higher rotation speed. Achieves miniaturization and cost reduction, while also improving grease leakage.

We have started selling the 'MSW-XS' by utilizing the know-how we have cultivated in spring products so far. * A document summarizing features and details is available for download exclusively for Ipros members. The 'MSW-XS' is an improved product based on the most proven "S-shaped spring" in the sliding door market. By reducing the torque gradient, we have made it possible to achieve a higher rotation rate more efficiently, and by revising the design, we have reduced output loss. Additionally, we have achieved miniaturization and cost reduction, and improved grease leakage. With the introduction of the 'MSW-XS', we expect to provide new options for the design of sliding door products such as semi-automatic doors and elevator doors. [Features] ■ Four standard output options ranging from 2.45 to 9.8N ■ The direction of the cord pull can be selected from three directions ■ There are two mounting surfaces, allowing for versatile use depending on the application ■ Improved grease leakage reduces environmental impact ■ In the future, we plan to release a unique design output adjustment mechanism (optional) * You can view the catalog from the "PDF Download" section. Please feel free to contact us with any inquiries.

  • Other machine elements
  • Main spring

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