Transcription of JOINT DESIGN FOR ULTRASONIC WELDING
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JOINT DESIGN FOR ULTRASONIC WELDING
W55w15W4 SLIP FITFIXTUREW4W4W5 WWTOUNGE AND GROOVE VARIATIONSTEP JOINT VARIATION45 45 Figure diagrams show timetemperature curves for a common buttjoint and more ideal JOINT incorporatingan energy director. This modified jointpermits rapid WELDING while achievingmaximum strength. The material withinthe director becomes the sealant whichis spread throughout the JOINT area asindicated a simple butt jointmodified with energy directors showingdesired proportions before weld andindicating the resultant flow of should be dimensioned to allowfor the dissipation of the material fromthe energy director throughout the jointarea as a step JOINT usedwhere a weld bead on the side would beobjectionable. This JOINT is usually muchstronger than a butt JOINT , since materialflows into the clearance necessary for aslip fit, establishing a seal that providesstrength in shear as well as tongue and groove jointusually has the capability of providinggreatest strength.
w 5 5 w 15 W 4 SLIP FIT FIXTURE W 4 W 4 W 5 W W TOUNGE AND GROOVE VARIATION STEP JOINT VARIATION 45˚ 45˚ Figure 1.The diagrams show time temperature curves for a common butt
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