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核心技术

CORE TECHNOLOGY

Lock-rivet SPR Technology

 

1.What is the lock-riveting SPR joining?

The rivet penetrates the first layer of material and the intermediate layer material under the action of an external force, and flows and stretches in the underlying material to form a rivet joint process of intermeshing permanent plastic deformation. This process is called a lock-riveting SPR joining.

The riveting joint has a high tensile strength and shear strength, and is called a rivet joint. As shown figure1.

2.SPR riveting process technology

 figure 2

figure 1

 

3. Riveting joint characteristics

High strength;

Suitable for visual inspection quality;

No drilling;

Waterproof and airtight;

Extensive material combination;

high repeating reliabity.

4.Lock rivet SPR process characteristics

High dynamic fatigue strength;

Good impact energy absorption;

Extensive material combination;

Online process  quality monitoring management.

 

 

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