21 hours ago, cjs said:Don't you want to reduce the friction in order to stop the filament from buckling up? Therefore I think they are actually somewhat related.
I understood that the constrained filament path was specifically aimed at closing off some free space in the feeder where potentially flexible filament could creep into, so before the bowden tube. I am not really aware of any oil problems, except if you apply too much and it undermines your bed adhesion. They are related in a way that they should both contribute to a successful flexible print yes. I can not argue with your theory of reducing the amount of parts, although I think removing parts can just as well lead to problems on the long run as adding parts does, with things you just don't see yet today.
Excuse me for asking if I should already know, but what does the DDG stand for? If I am not mistaken we're familiar with the 'regular' Bondtech feeder
Also, indeed still curious to hear from @chuckmcgee
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cjs 34
You are right! There are different roads leading to Rome My personal preference is to reduce involved parts and not to add something, which could lead to problems in the long run. Oil related problems are also quite hard to trouble shoot later on I also don't like the fact to re apply oil every X meters. What if I forget it and ruin a long print?
I actually started to design the Bondtech DDG to make it easier to use Bondtech dual drive gears on an Ultimaker. It's really quite easy. @SandervG I think I may be able to convince Martin to send you one unit for review if you like.
Don't you want to reduce the friction in order to stop the filament from buckling up? Therefore I think they are actually somewhat related.
Anyway most important thing is that @chuckmcgee was/is able to print his parts with a flexible filament! Did you have success ?
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