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Zero Tangent Bends

Thermoplastics bends, due to the nature of secondary heating, have stresses that can lead to ovality in the bend's arc. Usually this is not a problem in coupling the bends, for the unheated tangents are quite round and undistorted. This week we were challenged to provide a zero tangent bend of a 6" OD 90Deg 24" CLR tube. The goal is to put four of these together to make an illuminated circle bend.


With proper packing and mold formation we held the ovality to a very respectful 0.17%.

It will be interesting to see what the full circle looks like.

Here is the semi circle:

Busada Mfg. - 05-Apr-2017


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