Huawei cable
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Environmental protection cable development trend is irreversible
Environmental protection cable has the characteristics of non-toxic (low toxicity) to people and the environment, no pollution, high safety and reliability, long service life, easy to split and recycle circular economy mode.
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Reasons for Appearance Defect of Rubber Sleeve Cable
The bearing line of the die sleeve is too long or too short, the die opening is not smooth and the aperture is too large; The temperature of the machine head, die opening or body is low; Small rubber plasticity may cause the surface of the rubber sleeve cable to be not smooth.
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Analysis of the Real Difference between National Standard Cable and Non-standard Cable
The cost is calculated by the weight of copper. At the beginning, it was effective, but the national standard ignored a problem. Your copper is an oxygen-free rod, but not a non-standard one. When the weight of scrap copper and oxygen-free rod is the same, the price difference between scrap copper and oxygen-free rod is 10%. Therefore, the national standard cable made great efforts to publicize, and finally failed. The difference between the national standard and the non-standard guarantee was 10%.
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Analysis of the characteristics of PVC wire winding film
PVC wire wrapping film, a brand-new packaging material, its material has ultra-thin, strong, transparent, self-adhesive, low temperature resistance and other characteristics, is an ideal packaging material, especially suitable for packaging chemicals, electronic parts, building materials products, rubber, low brick, ceramic tile, screw, wallpaper, leather
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How to determine how much wire and cable to use
The formula in this section does not directly point out the current carrying capacity (safe current) of various insulated wires (rubber and plastic insulated wires), but "the cross section is multiplied by a certain multiple" to show that it is obtained by mental calculation. It can be seen that the multiple decreases with increasing cross-section.
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Description of fireproof characteristics of fireproof cable tray
The steel skeleton is mainly made of high-quality cold-rolled plate by mechanical processing, which has the characteristics of high carrying capacity and long service life. The section of the steel skeleton shall be neat without burrs and sharp corners, and the groove shall be smooth and flat without sharp protrusions. After processing, the shape of the section is uniform, without bending, twisting, cracks, edges and other defects.
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Related Information
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