One turn at both ends of a compression spring is called a "seat coil," and the terminology varies depending on the shape (closed end, open end, etc.).
The material used is "Piano Wire B Type - SWP-B." One coil at both ends of a compression spring is called a "seat coil." To ensure stability when the spring is upright, the tip of the "seat coil" is usually made to closely contact the adjacent coil. This shape is referred to as "closed end." If the tip of the "seat coil" is separated from the adjacent coil, it is called "open end," but this is not very common, and unless specifically instructed, it will be manufactured as a "closed end." The springs in the photo also have "closed ends" at both terminals. It is a bit difficult to see, but the seat coil at the front has a tapered shape that becomes smaller. The surface treatment is "electroless nickel plating." If you have any issues with springs, please feel free to consult us. Our technical staff will respond carefully. Technical Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com Tsuruga Spring Co., Ltd. for springs We also support web meetings.
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【Industry】 ■Machine tools ■Jigs ■Measuring machines *For more details, please refer to the PDF document or feel free to contact us.
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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