2. Welding Techniques Scott Colgan Nehal Kachalia Laura Stuart Penn State Behrend

3. Purpose Location specific Quick and efficient Relatively low cost

4. Outline Introduction Background & Theory Equipment Design Requirements Conclusions

5. Introduction Background Types Ultrasonic Vibration Radio Frequency (RF) Industry Use

6. Background & Theory USW -- A: Fast, Clean, Efficient -- D: S-C not best VW -- A: Flash -- D: Expensive Equipment RF -- A: Leak Proof -- D: Limited Materials

7. Process http://www.dukcorp.com/us/products/thermo/plastics/upa.htm Background & Theory Ultrasonic

8. Types –Welding –Swaging / Forming –Spot Welding Background & Theory Ultrasonic

9. Applications –Household / Consumer –Automotive –Business / Packaging / Toys –Medical –Electrical http://www.dicofr.com/cgi- bin/n.pl/dicofr/definition/20010101 005322 Background & Theory Ultrasonic

10. Process Types –Linear Vibration –Spin –Angular Friction http://www.twi.co.uk/j32k/protected/band_3/pjkrfweld.html Background & Theory Vibration

11. Uses –Automotive –Consumer –Industrial http://ils.unc.edu/~mornj/images Background & Theory Vibration

12. Process Scope Plain Welding http://www.ewi.org/technologies/plastics/dielectric.asp Background & Theory Radio Frequency

13. Applications –Stationary –Inflatable –Household –Medical –Automotive –Large Parts http://www.advertisingballoons.com/images/_vti_cnf 7 Ft Beach ball Background & Theory Radio Frequency

14. Equipment Horn Mounting unit Energy source –Electrical –Mechanical

15. Design Requirements No exclusive RF -- Any application Most shapes / sizes

16. Conclusions Various applications Fast and efficient Broad material selection RF – reversible; leak proof