Tension spring

Extension springs, also known as tension springs or simply extension springs, are helical springs that bear axial tension. The following is a detailed analysis of extension springs:

1. Basic definition and characteristics

Definition: Extension springs are mechanical parts that work by using elasticity, and they work by bearing axial tension.

Features: When the extension spring is not under load, the coils are generally tight and there is no gap between them. This characteristic enables the extension spring to generate a large rebound force when subjected to tension.

2. Materials and applications

Material: The materials of extension springs mainly include carbon steel wire, stainless steel spring wire, oil quenched and tempered alloy spring wire, high and low temperature alloy spring wire, etc. These materials have excellent elasticity and fatigue resistance, and can meet the needs of different working environments.

Application: The application fields of extension springs are very wide, covering defense, ocean, computer, electronics, automobile, mold, medicine, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, engineering machinery, mining machinery, construction machinery, elevators and other fields. They play an important role in controlling the movement of mechanical parts, storing energy, and measuring the size of force in these fields.

3. Classification and specifications

Classification: According to the different load-bearing capacity and usage scenarios, tension springs can be divided into ultra-light load, light load, medium-light load, medium load, medium-heavy load, heavy load and extended heavy load.

Specifications: The specifications of tension springs usually include parameters such as diameter, length, wire diameter, number of coils, etc. These parameters determine the load-bearing capacity and working characteristics of the tension spring.

4. Working principle

The working principle of the tension spring is opposite to that of the compression spring. When the tension spring is subjected to axial tension, the distance between its coils will increase, thereby generating a reverse rebound force. This rebound force is the basis for the operation of the tension spring.

5. Precautions

When using tension springs, you need to pay attention to their load-bearing capacity and working environment. Avoid exceeding the load-bearing capacity of the tension spring or placing it in a harsh working environment to avoid affecting its service life and performance.

When installing and removing the tension spring, you need to follow the correct operating methods and steps to avoid damaging the tension spring or affecting its working effect.

In summary, as an important mechanical part, the tension spring plays an irreplaceable role in various fields. With the continuous advancement of science and technology and the continuous expansion of application areas, the product diversity and technicality of extension springs will continue to improve.