What aspects should be considered in the design of aluminum alloy side box?
1. System design: How to hang the saddlebags on the car, you definitely need a side frame. The support frame and the box are a complete system. The systems need to cooperate. Other brands of Chongqing Shenglin Motorcycle Aluminum Alloy saddlebag systems also have similar systems. , so that the shelves and cabinets can be freely combined and of any size. This design needs to consider the fixation and materials of different cabinets, etc. It is a system engineering!
2. The saddlebag is hung on the outside of the motorcycle frame. When reversing, it needs to have the necessary strength. Otherwise, the damage rate will be too high and it is not worth it. But it's very strong, right? No, if the strength of the frame and saddlebags is too high, then if the frame directly bears the impact and deforms when reversing, will the loss be greater? Therefore, this also needs to be designed to be firm and strong enough, but when an impact occurs, it needs to deform to buffer the impact on the car itself and reduce losses.
3. Access, this design seems to be the easiest. But there's also a lot of work behind the design. First determine the capacity and size. If you don't ride a bike often, you have no idea what you need to bring and the overall volume. So this requires a lot of work to determine. How to access various on-board equipment, whether it is an upper flip-up cover or a side-flip cover, how to divide the space inside, and whether it needs to be layered, all require a lot of work to determine.
4. Aerodynamic shape, this is very important. The box is square, and your intuition will tell you that when the speed increases, the wind resistance of this shape is very large. High wind resistance is not only a problem of fuel consumption. After the airflow passes, it will cause vibrations in the box. We have all seen the video of "death swing". In addition to the out-of-control swing of the front wheel, the vibration caused by the wind resistance of the saddlebags will also causing the vehicle body to sway.
5. After the above design problems are solved, how to select materials is also a headache in the design process, because in addition to meeting the above design requirements, the box also needs to consider material issues such as durability, waterproofing, and lightweight.
So why aluminum alloy saddlebags or motorcycle saddlebags are expensive? I think the difficulty and workload of design are also a big reason.
