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Posted · Features of one part carried over to other parts

Printer is an Ultimaker 2, new heater and PT100, all new bearings

 

Does anyone know what can cause this problem, sometimes when I print multiple parts together, features from one part seem to affect another part next to it on the build plate, the photo shows a band around one part which appears on each of the same part, it seems to happen at the same height but only on the parts shown (with the band) and seems to be affected by the larger part next to it.

 

I have printed these parts many times before and never used to have this problem, it's the same STL and gcode that I've always used, it's not a Z screw problem as I can print a cube on it's own and it's totally fine.

 

This happens on other parts as well, I've attached to other images with Blue parts to show what can also happen.

 

I have 2 other UM2's and it does not do it on those machines.

61344841_664496767346120_2844527153326850048_n.jpg

cooler.jpg

p1.jpg

p2.jpg

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    Posted · Features of one part carried over to other parts

    Check that your side fans are both working and on 100%.

     

    When it finishes printing the roof of the larger part it suddenly is printing layers much faster on that smaller part and it doesn't have as much time to cool down between layers.  So it's still pretty hot.

     

    One fix is to print two or 4 of the smaller parts at the same time so that each one cools while the other's print.

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    Posted · Features of one part carried over to other parts

    Hi gr5

     

    Side fans seem ok, I can print the same file on my other machines and they print ok

     

    I have about 6 sets printing at once on the bed and I still get those hands, it's almost like there's too much filament just before doing the long lines on the large object and it puts to much on to the smaller part

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