栄光技研 List of Products and Services

Originally composed of three parts, this is a highly precise automotive component. We received a request for a VA proposal as there was a desire to reduce costs from conventional mold processing. Therefore, we proposed manufacturing using three-dimensional space forming (multi-forming machine). By integrating the original three parts, we suggested reducing the number of components, and to establish a mass production system, we introduced image sensors. This allowed us to establish an unmanned production system. We achieved approximately 40% cost reduction, including halving the work hours and simplifying the customer's order management. *For more details, please refer to the PDF document or feel free to contact us.*

• Contract manufacturing
• Processing Contract
• Other machine elements

We received a request for automotive parts to manufacture a spring that moves in the opposite direction of a standard torsion spring, with a desire for high precision and strict dimensional tolerances. When moving in the opposite direction, there are limitations at free angles compared to usual, so we focused on the spinner tool. By in-house manufacturing and improving the spinner tool, we were able to make fine adjustments, allowing us to produce torsion springs that have restrictions at free angles. With the upgrade of our in-house technology, we were able to meet the customer's requests and clear the strict dimensional tolerances. We received an order for mass production. *For more details, please refer to the PDF materials or feel free to contact us.

• Spring
• Contract manufacturing

We received a request to manufacture a spring that is easier to assemble and less likely to come apart than conventional tension springs, while also being highly durable (with a lifespan of 15,000 cycles), as it is a component for automobiles, which requires very high quality. We proposed a spring with different hook shapes on both sides, which cannot be produced with standard tension spring machines. Our multi-forming machine is equipped with a second former, allowing for high-precision and complex processing. This improved work efficiency, enabling quick fine-tuning of similar-shaped parts using the original machine, which reduced the number of drawings and consequently decreased the prototyping labor. This led to approximately 30% cost savings. *For more details, please refer to the PDF document or feel free to contact us.

• Spring
• Contract manufacturing

You requested a component for a pen that allows the ink flow and output to vary according to writing pressure and speed, specifically a pressure spring. Since the shape and design of the pen were already determined at the manufacturing stage, we focused on the pressure mechanism. We held detailed discussions with the developer regarding quenching temperatures, number of coils, and load, and proposed a design that minimizes changes in force from the beginning to the end of pen use. For the thin linear components that are difficult to heat treat, we prepared a dedicated quenching furnace and case, and made adjustments to the finishing process. Although the initial request was only for prototypes, we have also received an order for mass production. *For more details, please refer to the PDF document or feel free to contact us.*

• Spring
• Contract manufacturing

At Eiko Giken, we manufacture compression springs, extension springs, torsion springs, and wire processed products. We specialize in the production of springs related to the automotive industry, and we have been increasingly focusing on this area in recent years. Additionally, we produce various products tailored to different applications with flexible ideas, such as special springs for stationery and medical drug stands formed through wire processing. We also accommodate prototype and small lot production with short lead times and low prices. Even for complex and difficult products, we can provide custom-made solutions. We also offer suggestions for cost reduction, development schedule shortening, and weight reduction. Please feel free to consult us with any concerns. 【Business Contents】 ■ Wire processed components and products ■ Various springs (coil, plate) ■ Metal machining parts ■ Resin machining parts *For more details, please refer to the PDF materials or feel free to contact us.

• Spring
• Other Auto Parts
• Other metal materials

Eiko Giken Co., Ltd. has been striving to improve technology by continuing to respond to customer requests with the slogan "Solving products that other companies find undesirable through creativity and ingenuity." Moving forward, we will contribute to Japan, a manufacturing nation, with advanced processing technology and innovative proposals. 【Features】 ○ Achieved high-difficulty wire processing through unique three-dimensional space forming technology ○ Engaged in the modification of wire materials, enabling stable mass production of complex-shaped wire processed products For more details, please contact us or download the catalog.

• Spring
• Processing Contract