Waterproof junction box

Update date:2018-03-07 Source:MAXGE

Waterproof junction box

  Waterproof junction box (Professional Name: Electric Enclosure English name: Electric Enclosures), mainly divided into special and general-purpose products, raw materials are: ABS engineering plastics, polycarbonate (PC), PC / ABS, glass fiber reinforced poly Ester, stainless steel.Currently the world's production of standard waterproof junction box of raw materials are: ABS engineering plastics, polycarbonate (PC), PC / ABS, glass fiber reinforced polyester, stainless steel. Depending on the site environment, the user can choose the material that meets the requirements for field use.

  1. Material Selection: The current application of waterproof junction box products are relatively harsh environment to the scene and open field. From the product safety performance considerations should consider the material impact resistance, static load strength, insulation properties, * non-toxic *, anti-aging properties, corrosion resistance, flame retardant properties. (Non-toxic properties have received widespread attention, mainly because if the waterproof junction box products in case of fire, the combustion will not release toxic and harmful gases, usually in the fire, often due to inhalation of a large number of toxic gases and the death accounted for most.

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  2. Structural Design: Should consider the overall strength of waterproof junction box, beautiful, easy to process, easy to install and recyclable. At present, the international mainstream manufacturers of waterproof junction box products do not contain any metal parts, so as to simplify the product recycling process. But now most domestic manufacturers choose the different materials, materials, poor resistance to waxy performance, are generally installed in the waterproof junction box socket with brass inserts to increase the installation strength, so that the material recovery process will Increase the time and cost. If the use of regular manufacturers to provide high performance indicators of raw materials to solve such problems.

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  3. Wall Thickness: Generally, when designing the product, the overall cost of the product should be as low as possible to meet the product's impact resistance and resistance to waxy when the overall cost of the product should be reduced. The international waterproof junction box is designed with ABS and PC Wall thickness of material products is generally between 2.5 to 3.5, glass fiber reinforced polyester is generally between 5 to 6.5, die-cast aluminum material product wall thickness is generally between 2.5 to 6. Material wall thickness in the design should meet most of the components and parts of the installation requirements.

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  4. Sealant material choice: For the waterproof junction box products, commonly used sealant materials are: PUR, EPDM, Neoprene, Silicon. Select the sealing ring should consider the temperature range, tensile strength, stretching rate, hardness, density, compression rate, chemical resistance.

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   5. Fixing the waterproof material of the upper cover Screw material: The key components when the waterproof cover is combined with the base is the bolt. The selection of the bolt material is also very important. The commonly used material is PA (nylon) or PA alloy, Use stainless steel self-tapping screws. Cover screws in the design should take into account the structural strength, because different users use different ways to meet a variety of requirements, such as: electric screwdriver installation, manual installation and other requirements, the design should take into account the torque of the screw.

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