Corrugations " THere effect on thermoforming "
Corrugations " THere effect on thermoforming "
(OP)
Hello
I am looking for information regarding the uses of corrugations in thermoforming ( primarily with polypro ) My field has me designing and fabricating orthopaedic appliances for the disabled. I am looking for particulars on the size and shape of the corrugation and there effects on rigidity. I welcome any information
Thanks in Advance
I am looking for information regarding the uses of corrugations in thermoforming ( primarily with polypro ) My field has me designing and fabricating orthopaedic appliances for the disabled. I am looking for particulars on the size and shape of the corrugation and there effects on rigidity. I welcome any information
Thanks in Advance





RE: Corrugations " THere effect on thermoforming "
Rigidity is directly proportional to the Moment of Inertia (Look at Simple Beam analysis).
Hope this helps, Rich
RE: Corrugations " THere effect on thermoforming "
The method of thermoforming you are looking for is called "twin-sheeting". It's a lot more complicated process then regular old thermoforming, but it can produce some very strong structures. Years ago I worked as the Manuf. Process Eng. for a heavy-gage thermoforming company and we did a lot of twin-sheeting. One of the coolest prototypes we made was a "corrugated" panel that we filled with foam. Everyone was amazed at how rigid it was.
My best advise would be to find yourself a good plastics processor with twin-sheeting experience. As far as Polypropylene goes, if you use a foam fill, find one that sticks to PP.
Good Luck,
Steve