To suppress the variation in moment (torque), the free angle of the arm is managed with a tolerance of ±2.5 degrees.
The material used is "spring stainless steel wire - SUS304-WPB." The wire thickness is Φ2.5. To suppress variations in the initial moment (torque), the allowable tolerance for the arm's free angle is set to "±2.5 degrees." The allowable tolerance for the arm's free angle is "±10 degrees" even under JIS standards, so "±2.5 degrees" is a quite stringent setting. A dedicated inspection jig has been manufactured, and all units are inspected and adjusted to manage the angle. 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 Hatsujo Co., Ltd. for springs. We also support web meetings.
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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