The shape of the seat roll includes various forms in addition to the common "closed-end" type.
The material used is "Piano Wire Type A, SWP-A," with a wire diameter of Φ2.3. It has been treated with trivalent chromate plating for rust prevention. The ends of the compression spring are referred to as "closed ends." The typical shape of a closed end is where the end touches the adjacent coil. As a spring manufacturer, we will produce it with a "closed end" unless otherwise specified regarding the end shape. The closed end of this spring has a "pig tail end" on the front side, where the end wraps inward toward the inner diameter, and an "open end" on the back side, where the end is separated from the adjacent coil. Regarding the end shape of the compression spring, we can manufacture it according to the customer's requests. Please feel free to consult us if you have any concerns. Sakurako Spring Co., Ltd. Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com We also support web conferencing.
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Tsuruga Spring Co., Ltd. is a spring manufacturer located in Tsuruoka City, Yamagata Prefecture. We specialize in the design and manufacturing of coil springs, as well as wire forming processing. 1) Our strength lies in our ability to respond quickly from design to prototyping. Are you facing issues such as springs breaking, deforming, or being weak? Our technical staff will respond carefully, so please feel free to consult with us. It's okay even if you don't have drawings. 2) We can accommodate a wide range of wire thicknesses from 0.1mm to 10.0mm. We stock piano wire, stainless steel wire for springs, oil-tempered wire, and phosphor bronze wire. We can also handle special spring materials that are outside JIS standards, such as Herculite and SWIC. Additionally, we can accommodate wire diameters exceeding 10mm through outsourcing. 3) We accept orders from one piece to tens of thousands of pieces. Technical Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com Tsuruga Spring Co., Ltd. 〒997-0011 3-10-25 Takarada, Tsuruoka City, Yamagata Prefecture
![[Case Study of Spring Manufacturing for Precision Components] Compression Springs (Compression Springs - Coil Springs)](https://image.mono.ipros.com/public/product/image/7a9/2000732482/IPROS47629644074183983246.png?w=280&h=280)
