1KV Heat Shrinkable Tube

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The correct use of high voltage bus bar heat shrinkable tube

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The correct use of high voltage bus bar heat shrinkable tube

Detailed introduction
High voltage heat shrinkable tube refers to the voltage strength is very high, usually high voltage heat shrinkable tube has 10KV, 20KV, 35KV three voltage levels, high voltage heat shrinkable tube and ordinary heat shrinkable tube is very different, because the need to prevent high voltage breakdown, so the wall thickness are very thick, also relatively hard, so the use of the process will also encounter many different problems, but as long as the correct method of use, the problem will be solved.
 
1, the first is the choice of model, according to the bus bar voltage to choose the corresponding voltage bus bar heat shrinkable tube. General bus bar is the thickness of 8mm or 10mm rectangular, and bus bar heat shrinkable tube is named according to the diameter, so do not know how to choose, teach you the simplest way, how wide the bus bar, how large the diameter of the bus bar heat shrinkable tube. Here to provide you with a conversion formula, the perimeter of the bus bar / 3.14 = diameter, the choice of bus bar heat shrinkable tube to be slightly larger than the converted diameter. Such as 30mm wide, 10mm thick bus bar, through the formula conversion (30 + 10) * 2 / 3.14 = 25mm, here you can choose the diameter of 30mm bus bar heat shrinkable tube, basically with how wide the bus bar will choose how large the diameter specifications of the bus bar heat shrinkable tube in line.
 
2, the bus bar heat shrinkable tube specifications after the selection, is the choice of color, because the bus bar need to use color to distinguish the phase color, ordinary heat shrinkable tube is generally red, yellow, green, blue, black. High-voltage female heat-shrinkable tube is often red, yellow, green with the use of three colors.
 
3, cut a section of the length of the bus bar heat shrinkable tube suitable for the length of the bus bar, the length depends on the length of the bus bar wrap, set in the corresponding position on the bus bar.
 
4, heating shrink bus bar heat shrink tube, so that the bus bar heat shrink tube closely fit on top of the bus bar; bus bar heat shrink tube shrinkage needs to shrink from one end to the other, so as to ensure that the air inside the clean, to ensure that the location of the bus bar heat shrink tube accurate. Shrink bus bar heat shrink tube temperature needs to be adjusted to 240 ℃, the thicker the bus bar heat shrink tube, the higher the heating temperature needs to be. The thicker the bus bar heat shrink tube, the higher the heating temperature needs to be. Especially thick bus bar heat shrink tube can use flame gun, heating shrinkage more quickly. Bus bar manufacturers mass production generally use the oven, so that the production efficiency is high, shrinkage is also more uniform.
 
5, after shrinkage need to press the corner with a round rod, used to drain the air inside, is the bus bar heat shrinkable tube and bus bar more closely, more conducive to enhance safety and reliability.
Bus bar heat shrink tube in a right-angle turn bad set, you can wipe a little silicone oil on the top of the bus bar, to play the role of lubrication, convenient to wear bus bar heat shrink tube, shrinkage is not easy to leave creases. Bus bar heat shrink tube is usually used for high-voltage electrical insulation, that is, the outer layer of copper bus bar insulation protection, according to the voltage level to choose 10KV, 20KV or 35KV. bus bar heat shrink tube use the main attention to the selection of model specifications, sample color with the shrinkage process and press out the air these main steps.

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