The key to improving the fatigue resistance of food machinery injection molding accessories: durable structural design

1. Thickness design: increase the thickness of the friction area and disperse stress
During the operation of food machinery, injection molded parts are often in a high-intensity friction environment. Reasonable thickness design, especially an appropriate increase in the thickness of the friction area, can significantly improve the fatigue resistance of the accessories. This is mainly because a thicker design can help disperse and reduce local stress concentrations, thereby reducing wear and extending the life of accessories. Here are a few important benefits of thickness design:

Enhanced load-bearing capacity: Increasing the thickness can improve the overall load-bearing capacity of the accessory, allowing it to remain stable under higher loads and reducing the risk of deformation.
Extended service life: By increasing the thickness of the friction area, the accessory is better able to resist wear and tear caused by long-term friction, significantly extending its service life.
Improved fatigue resistance: As the thickness increases, the fatigue resistance of the material is enhanced and better structural stability can be maintained even under repeated loads.
Through reasonable thickness design, food machinery injection molding parts can maintain high durability during long-term use, thereby reducing maintenance costs and improving the working efficiency of mechanical equipment.

2. Rounded corners and transition design: avoid stress concentration and extend the life of accessories
In addition to thickness design, fillet and transition design are also keys that cannot be ignored in the design of food machinery injection molding parts. Research shows that stress concentration is often one of the important reasons leading to fatigue failure of accessories. During design, by using rounded corners and smooth transition structures at locations where stress is concentrated, stress concentration can be effectively reduced and premature fatigue failure avoided. The following are the specific optimization measures and effects of fillet and transition design:

Reduce stress concentration: Introducing rounded corners at locations where stress is concentrated can avoid the stress concentration effect caused by sharp edges and corners and help reduce local fatigue damage.
Delay fatigue cracks: The smooth transition design can alleviate the development of cracks in accessories during the stress process and slow down the expansion rate of fatigue cracks.
Improve structural stability: The rounded corners and transitional design make the overall structure of the accessory more stable and smooth, reducing unnecessary sharp corners and sharp edges, thereby improving the overall structural stability and reliability of the accessory.
Good rounded corners and transition design not only help improve the durability of accessories, but also significantly reduce the failure rate of mechanical operation in actual operation, bringing higher production efficiency to food processing production.

3. Comprehensive optimization: the future direction of durable design
In the design of food machinery injection molding accessories, thickness and transition structure are only part of the impact on fatigue resistance. Future optimization directions also include:
Material improvement: introducing composite materials with more wear resistance and fatigue resistance;
Application of heat treatment technology: The strength and hardness of accessories are enhanced through heat treatment process to further improve fatigue resistance;
Intelligent design: With the help of simulation and intelligent design software, the structure and stress distribution of accessories can be optimized to obtain more accurate and efficient design solutions.