There is also a risk of bending the rods by atomic pulls, if you do them too brutally, or by lifting the printer by pulling on the rods. I am not saying that has happened to your printer, it's just as precaution.
If you want to use a more gentle atomic pull, try this method:
https://www.uantwerpen.be/nl/personeel/geert-keteleer/manuals/
Instead of pulling brutally, this method uses gentle wiggling and twisting instead, plus much deeper cooling to room temp, before reheating. But no brute force at all. Cleaning results are similar to the standard atomic pull.
I should update that manual a bit, but meanwhile you can still use it.
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catohagen 41
If they are bendt since assembly you could try and contact your reseller and see if they can send you new ones.
If you need to buy new ones, also most resellers can get you new ones, the prices I got from my reseller was slighty higher than the prices I got from IGUS, so I ordered new ones from IGUS, also from IGUS you need to tell them the length.
That suited me very good, as I'm running direct drive on my Ultimaker and I ordered 16mm longer ones, so they stick out and motors connect.
The IGUS ones are found here :
http://www.igus.eu/product/?artnr=SWMH-08
their site is a bit difficult to navigate, but the rods are called
SWMH-08 drylin® accessories, steel shafts 1.1213 hard-chromed
Be sure to go for normal steel shafts, as stainless steel ones are many times more expensive
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mja 1
Thank you, i got my UM2 directly from Ultimaker, but i guess i'm out of luck since the machine is out of warranty already.
I'll take a look at the igus site, thank you again
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