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Welding For Plastic. Laser plastics welding has proven its reliability in numerous applications where rigid parts are welded together 5 6For the purpose of welding of foils the energy deposition can follow the transmission welding process where the laser energy is irradiated through one of the welding partners and absorbed in the second layer. This technique is useful for small applications along with larger ones.
Overhead Ambient or Portable. Welding of plastics is done in the viscous fluidic state under the application of pressure. An energy director is a raised region with a triangular cross-section.
When cooled a weld is formed.
For best results plastics being joined should have similar MFIs. Fundamentals and New Developments This paper provides a general introduction to welding funda-mentals section 2 followed by sections on a few selected welding processes that have had significant developments or improvements over the last few years. Overhead Ambient or Portable. The heat welds the two pieces together.