Introducing the causes and countermeasures for spring breakage and damage due to spring troubles!
The clues to identify the cause of breakage are lifespan calculations and strength calculations. If the breakage occurs significantly below the calculation results, the cause of the breakage is suspected to be "stress concentration" originating from scratches or bent areas. Measures against stress concentration include changing the shape of the spring. Effective measures include selecting "round hooks (photo)" or "tapered round hooks" for tension springs, and specifying that the bend radius of the arms of torsion springs should be greater than the wire diameter radius. If the timing of the breakage aligns with the calculations, the cause of the breakage is considered to be insufficient material strength. In this case, the countermeasure for breakage is to change the specifications of the spring. Specifically, this involves changing the material to a more durable one or increasing the wire diameter, but it is necessary to consider the balance to avoid changing the spring's force adjustment (spring constant, load). Our company responds to spring troubles. If you send us the broken parts, we will propose improvement measures. Please feel free to consult us. Tsurugaoka Spring Co., Ltd. Technical Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com We also support web meetings.
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Company information
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