Four points in the design of Zhongshan waterproof junction box

What positions do you need to pay attention to when designing a waterproof junction box? Next, the editor will provide you with some experiences that are relatively applicable.

1. Selection of materials: The main application areas of the current products are construction sites and open-air sites with relatively harsh environments. When considering the safety performance of the product, the impact resistance, static load strength, insulation performance, anti-aging performance, corrosion resistance and flame retardant performance of the material should be considered.

2. Structural design: The overall strength, aesthetics, easy processing, easy installation and recyclability of the waterproof junction box should be considered. At present, the waterproof junction box products consumed by mainstream manufacturers do not contain any metal accessories, which can simplify the product recycling process. However, the materials selected by most domestic manufacturers are different now, and the materials have poor anti-waxing performance. Generally, brass inserts are installed in the device sockets in the waterproof junction box to increase the strength of the device, which will affect the data recycling process. Add time and cost. If the raw materials of high-performance indicators provided by the right track manufacturers are used, such problems can be solved.

Zhongshan waterproof junction box

3. Wall thickness: Generally, when designing a product, when considering the overall cost of the product, the wall thickness of the product should be reduced as much as possible while meeting the impact resistance and anti-waxy change performance of the product. When designing the waterproof junction box, the wall thickness of the ABS and PC materials should be The thickness is generally between 2.5 and 3.5, the glass fiber reinforced polyester is generally between 5 and 6.5, and the wall thickness of die-cast aluminum material products is generally between 2.5 and 6. The material wall thickness should be designed to meet most of the requirements. A device request for components and accessories.

4. Selection of sealing rubber ring materials: Regarding waterproof junction box products, commonly used sealing rubber ring materials are: PUR, EPDM, Neoprene, Silicon. Temperature range, tensile strength, stretch rate, hardness, density, shrinkage rate, and chemical resistance should be considered when choosing a sealing ring.

The article comes from: Zhongshan Waterproof Junction Box