#理想家生活#
This content comes from @What's worth buyingAPP, and the views only represent the author's own |Author: Yuanyuantang Whale Whale
Jiabao saw me hanging up the headphones, so he liked to snatch my headphones over to play, and the skin at the main line plug was cracked. This has happened to old headphones before, and after a long time, they will crack when they are naturally aged. In the past, I used to wrap my own adhesive tape, but if I didn't have too much adhesive tape, it would become dirty, and the glue would be opened due to the decrease in viscosity, which was particularly unsightly and not durable.
This time, I found a popular method for repairing data cable cracks from the Internet: heat shrinkable tube coating method. It is to put a piece of plastic pipe of the same color with hot melt glue on the outside of the damaged data cable that needs to be repaired (all kinds of transmission lines with skin seem to be available), and then heat the casing section covered by the data cable with an open flame or heat gun until the tube is heated and shrinks to the required inner diameter size, and tightly wrap the outer skin of the damaged data cable.
In this way, the original lesion is dehisced with a small section of new fixing cannula. It looks more regular, the hot melt adhesive is re-solidified and glued to the damaged wire skin after hot melting, and the outer plastic tube is tightened and wraps the original thread. And the color is the same, there is no sense of disobedience. It not only protects the data cable, but also is more beautiful, so this method is very popular.
Since my bad Apple headphone cable is much thinner than the data cable, the mini vernier ruler measures a diameter of 2.1mm, but the front plug is relatively wide, about 9.1mm, and the thickness is 5.3mm.
I found a few regular merchants who looked more reliable on the Internet and asked, saying that it was an Apple data cable to buy a suitable one with an inner diameter of 7.9mm, and I emphasized that it was a headphone cable, so they said that it might not be used. But I'm not reconciled, I always want to try it, I carefully read the product introduction (some customer service can't understand their own products, so customer service recommendations can't be blindly believed), and after looking at the product reviews, I found that some comments said that the shrinkage rate was insufficient; Others said that the inner diameter of the received goods was seriously large. And the product page also clearly states that the inner diameter of the actual heat shrinkable tubing is on the large side. In this case, I will buy an inner diameter of 6.4mm to try it, which can not only ensure that the shrinkage rate is close, but this plastic pipe has a certain elasticity, and the joint can be squeezed out, or the large inner diameter can allow it to pass through. I told the customer service what I thought, and the customer service reply is unlikely to work, I can try, but they don't guarantee the result.
I didn't have much money in the first place, so I tried it. It took 2.6 to buy an order for 1 meter long, and received it 2 days later, after measurement, the tube was a little thicker than claimed, but the gap was not too big, and the outer diameter was 8.2mm when it was not too round, and it was estimated that the normal was about 9mm, so the inner diameter was basically 7mm, between 6.4 and 7.9. First take a small section of the tube to test the heat shrinkage rate in advance, and the naked eye can see about 3 times the shrinkage, so I can try my luck with my headphone cable.
The next step is to get hands-on, I cut a section of tube about 4.5mm in length (the tube has a lot of creases when it is sent, and I need to choose a smooth and crease-free part to avoid wrinkles when heating), and with the help of a screwdriver, the plug of the earphone cable passes through the heat shrink tube, and after adjusting the position, it is heated. Originally, there was a heat gun at home, but I was too troublesome to turn it out and use it, so I took something directly to the kitchen, turned on the gas stove to the minimum fire, and began to heat the casing, paying attention to keeping the pipe above the outer flame of the fire source, so as not to burn the surface of the black pipe and affect the appearance. When heating, keep rotating and changing the heating direction, it will be completed in less than 1 minute, the earphone cable wrapping is unsatisfactory, the inner glue has been glued to the thread skin, it looks like there is a slight gap, it can be improvised, and the line will be looser if it is thinner.
The first time I did it, I still paid the price. I swear I really did bake the plug part for less than 3 seconds before the plug plastic cracked.
I didn't expect this part to be so heat-resistant, I looked at the pictures posted by others, and they were all in this way of half-pack plugs for heat shrinkable tubes, but they were still intact after being heated. I didn't expose it to heat for a long time, and it cracked before the tube even fit snugly, and I guess I've been using the headphones for almost two years, and its own aging is partly the reason. Maybe it's better to change the heat gun?
In addition, the end of the heat shrinkable tube wrapping the earphone cable may be due to the fact that the earphone cable is too thin and the outer skin is too thin, and the outer skin of the joint that is not wrapped has been wrinkled by heat.
This is something I thought of before I heated it, so I was always careful not to let the parts stay on the fire source, and I kept flipping and transposing, and even then, it was still roasted to the point that the skin was deformed. I'm worried that this place will soon crack as well due to thermal deformation. If that happens, there is no hope of using heat shrink tubing again, so you can only wrap it up with Teflon tape.
So what's the point of my heat shrink tubing protection this time? It's better to wrap it with a good strap at the beginning, so that the joints won't crack.
Was it because I was not doing it properly, or was it because the thin, thin cable wasn't suitable for shrink wrapping in the first place?
Heat shrink tubing is a good thing, and the protection of various conduction wires and cables is particularly powerful, which can be called an artifact. However, it is necessary to be prepared before use, carefully select materials, and carefully evaluate to reduce failures and unsatisfactory results.