1. The influence of the structural characteristics of the corrugated box on its impact bearing capacity
The structure of the corrugated box is the basis for determining how much impact it can withstand. There are various types of corrugated paper, such as A flute, B flute, C flute, etc. The height of the A flute is higher and the buffering performance is relatively good. When subjected to impact, the A flute can disperse the energy through a large elastic deformation. The height of the C flute is moderate, and it is more balanced in terms of compression resistance and buffering. In addition, the number of layers of cardboard is also critical. The structure of a single corrugated box is relatively thin and can withstand limited impact. The double corrugated box has two layers of cardboard and a corrugated structure in the middle. When subjected to impact, the outer cardboard is first subjected to force, and then the force is transferred to the inner cardboard and corrugated. Through layer-by-layer dispersion and buffering, it can withstand greater impact than a single corrugated box. The size of the corrugated box will also affect its ability to withstand impact. Larger cartons may be more easily damaged due to local force under the same transportation conditions, while smaller cartons are relatively more stable and may perform better in withstanding impact.
2. The characteristics of internal products and the role of packaging methods
The characteristics of internal products have very different requirements for the impact force that the Corrugated Box can withstand. If it is a soft, non-damageable product, such as clothing, the Corrugated Box does not need to withstand too much impact to ensure the safety of the product. But if it is a fragile product, such as glass products or precision electronic products, the Corrugated Box needs to withstand a large impact. In terms of packaging methods, reasonable product placement and fixation are very important. If the product is not fixed well in the carton, it is easy to shake during transportation, and the kinetic energy generated will increase the impact force that the carton withstands. For example, when packaging glass products, using cushioning materials such as foam or air cushions to separate and fix the products can greatly improve the carton's ability to withstand impact, because these cushioning materials can absorb and disperse part of the impact force and reduce the burden on the carton.
3. The test of the transportation environment factors on the Corrugated Box
The transportation environment is an important factor that affects the impact force that the Corrugated Box can withstand. Different transportation methods bring different impact situations. During road transportation, due to the complex road conditions, the bumps, sudden braking and acceleration of vehicles will frequently generate impact forces of varying sizes. Railway transportation is relatively stable, but there will also be a certain impact force when the train starts, stops and turns. Although air transportation is generally stable, it will generate greater impact force when taking off, landing and encountering air currents. In addition, the stacking height of the Corrugated Box also has an impact during transportation. If the stacking is too high, the pressure and impact force on the bottom cartons will increase, which is easy to cause damage.
4. Testing and evaluation methods for impact force of Corrugated Box
To know exactly how much impact force the Corrugated Box can withstand during transportation without damaging the internal products, professional testing is required. Common testing methods include drop test, inclined impact test, etc. In the drop test, the cartons containing simulated products or actual products are dropped from different heights onto the specified plane, and the damage of the cartons and the internal products is observed. The maximum impact force that the carton can withstand is determined by continuously adjusting the drop height. The inclined impact test is to let the carton slide on the inclined plane and hit the obstacle to simulate the collision during transportation. Through these tests, suitable Corrugated Box can be designed for specific product transportation to ensure the safety of the product during transportation.
