Thanks for the vibration insight. Is there an on-line reference for the ring frequency calculation?
To answer the length:diameter ratio question, it's 60:1, so there is a lot of friction condition and potential for damage / failure to complete the insertion.
I do have a cooling option available...
I am sliding a small metal cylinder into plastic tubing (nylon) and keep getting high frictional forces (ie it jams or damages the plastic)- I can't use lubrication - so I thought about vibration to keep it dynamic- any thoughts or guidance?
