Is Printing on Shrink Wrap Possible?

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Eric Koshinsky

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Joined
Jul 22, 2017
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75
Hi all,

I have roughly 500 cells that I need to rewrap. The adhesive used in the packs I ripped apart was insane, and easily 99% of the cells pulled ended up with shredded wrapping. Luckily, all of the cells tested in the 2100+ range and are essentially new (the packs were from aBMS recall).

My problem is that I like to rewrite the basic cell information on the new wrappers (18650S2 by LG Chem + mAh capacity). With 500 ish cells, this is going to take a LONG time.

Does anyone know if it is possible to do this with a printer directly onto the shrinkwrap? I have all the precut wrapping I need to for the task, I'm just looking for a faster/easier way to get the info onto the labels.

I have no idea if this is possible, but I'd rather not melt some wrap inside my laser printer trying to find out.

Does anyone have any experience printing on labels with something other than an industrial machine?

Thanks,
Eric
 
take a look at this YouTube video. he does something similar

If you have an inkjet printer you can use label sheets
Amazon link: http://a.co/jfPTBm2


You can also just print on photo paper or regular paper and cut the image out. Then use clear shrink wrap over the battery with the image wrapped around it.
 
Yes absolutely.

Using an inkjet printer is advised though, as the heat from a laser printer is quite risky to put over shrink wrap.
 
FWIW the cells were likely held together by a light spray of acetone. It dissolves the wrap just enough to make them glue themselves together.

I have about 1500 naked cells that came out of eBike packs that were assembled this way. I initially thought that the packs had been cooked and the wrappers melted together, but later learned that they just spray them with acetone to fuse them together and make the pack more structurally sound.
 
Grumplestiltskin said:
FWIW the cells were likely held together by a light spray of acetone. It dissolves the wrap just enough to make them glue themselves together.

I have about 1500 naked cells that came out of eBike packs that were assembled this way. I initially thought that the packs had been cooked and the wrappers melted together, but later learned that they just spray them with acetone to fuse them together and make the pack more structurally sound.
Click to expand...

I wouldn't be surprised if that is exactly the case I had too. There wasn't much visible glue of any kind, but all the wrappers were stuck together so well, that I'd guess at least 90% had the wrappers 90% destroyed.

I don't have an inkjet, so its either by hand or perhaps the clear labels.

Eric
 
Jason Morris said:
take a look at this YouTube video. he does something similar

If you have an inkjet printer you can use label sheets
Amazon link: http://a.co/jfPTBm2


You can also just print on photo paper or regular paper and cut the image out. Then use clear shrink wrap over the battery with the image wrapped around it.
Click to expand...

You can also get the same type of labels for a laser printer. https://www.amazon.com/Avery-Return-Address-4-Inches-18294/dp/B00MSZ1PIQ/ https://www.amazon.com/Avery-Return-Address-Printers-15695/dp/B002JFYQW2/

Using this label-under-clear-wrap method works but personally I'd like to know if anyone has tried printing on wrappers directly in some fashion. I guess it'd be a little difficult.
 
Thanks for the links brwainer.

I'm actually hoping to try them on the outside of the wrapper since I already have TONS of coloured wrappers. Not sure if it will work. I've had trouble with other labels just not wanting to stick to shrinkwrap. Can only try and see.
 
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