We are privileged to participate in a helical bend for a children's museum in Baton Rouge. More later as this develops. The helix (hexagonal) has a 96" radius and composed of (CAB) cellulose acetate tubing (4.125"ID). Model 1 and support circle.Ideas on...
Tubing ID
Problem: Extrude a heavy-walled small diameter pneumatic tube; in this case the wall area composes 75% of the tubing area. The difficulty comes in maintaining wall uniformity while eliminating “lensing,” uneven cooling, uneven shrinkage (curling) and chatter lines....