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Caatraa

Sides of bends bulging

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Posted · Original PosterOP

title says it all. doing my bends and i keep getting the sides of my bends bulging out. not the inside or outside of the bend but the outside. anyone know what is causing this?

 

Thanks

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IMG_20190202_163648.jpg

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10 minutes ago, Caatraa said:

i am using a insert. this is why i'm not having any inner/outer radius problems.

You're bending the tube slightly too cold and also too narrow around the bend region, you need to heat up a larger region (i.e. more side-to-side)

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