Types of Disc Springs
Disc springs are categorized as:
- Standard Disc Springs: For general applications.
- Grooved Disc Springs: With radial grooves for specific needs.
- Trapezoidal Cross-section Disc Springs: Designed for special requirements.

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They are also classified based on their functions:
1. Anti-loosening Springs: Prevent bolt loosening under vibrations.
2. High-temperature Preloaded Springs: Used in flanges, heat exchangers, and other equipment operating at high temperatures.
3. High-torque Preloaded Springs: Designed for heavy loads and high-torque applications, such as clutches and generators.
4. Buffer Tension Springs: Widely used in heavy equipment like brakes, industrial furnaces, and molds.