ULTRASONIC WELD INFORMATION JAMES C. JONES 6-28-76 A. PRINCIPAL OF OPERATION 1. VIBRATES AT ULTRASONIC FREQUENCY WHILE UNDER PRESSURE B. TYPES OF WELDS THAT CAN BE MADE 1. SPOT 2. SEAM 3. BUTT C. MATERIALS THAT MAY BE JOINED 1. ALUMINUM 2. COPPER 3. CARBON STEEL (PROBLEMS WITH ALLOY STEELS) 4. PLASTICS AND SOME DISSIMILAR METALS D, MATERIAL THICKNESS THAT MAY BE WELDED - .005 (FOIL) TO .093 IN. E. CONTROL REQUIREMENTS 1. CLAMPING FORCE ON MATERIALS PER SPOT - 250 TO 1500 LBS. 2. OPERATION POWER PER SPOT - 500 TO 800 WATTS (PULSE) 3. WELDING TIME - .005 TO 2 SECONDS F. ADVANTAGES 1. NO MARKED HEAT EFFECTS OR OUT-GASSING 2. NO NEED FOR FLUXES OR SHIELDING GASSES
RkJQdWJsaXNoZXIy MTU5NjU0Mg==