Emerson L20 - Page 61

DCM00044 REV. 14 vii
List of Figures
Chapter 1: Safety and Support
Figure 1.1 Safety Label Found on the Front of the Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Figure 1.2 Safety Labels Found in the Back of the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Figure 1.3 Safety Labels Found Near Bolt-Down Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Chapter 2: The Ultraweld L20 Actuator
Figure 2.1 The Ultraweld L20 Actuator (Shown with Optional Nodal Support). . . . . . . . . . . . . . 15
Figure 2.2 Actuator Slide Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 2.3 How does Ultrasonic Welding Work? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 2.4 Weld Power Graph for Clean and Dirty Components and when Part is Missing. . . . . . 22
Figure 2.5 Pressure Variable with Increased Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 2.6 Pressure Variable with Increased Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 2.7 Scrubbing Action on Weld Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 2.8 Amplitude’s Influence on Weld Power and Time. . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 2.9 Harmonic Resonance on Ultrasonic Tooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 3: Shipping and Handling
Chapter 4: Installation and Setup
Figure 4.1 Power Supply Dimensional Drawing (VersaGraphiX) . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 4.2 Power Supply Dimensional Drawing (Touch Screen) . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 4.3 Ultraweld L20 Actuator Dimensional Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 4.4 Ultraweld L20 Mounting Centers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 4.5 Connections on Rear of a VersaGraphiX Power Supply . . . . . . . . . . . . . . . . . . . . . . 44
Figure 4.6 Connections on Rear of a Touch Screen Power Supply . . . . . . . . . . . . . . . . . . . . . . 44
Figure 4.7 Electrical Connections from Power Supply to an Ultraweld L20 Actuator . . . . . . . . . . 46
Figure 4.8 Exploded Ultrasonic Stack Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 4.9 Mounting the Stack on the Ultraweld L20 Actuator . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 4.10 Mounting the Fixture on the Tool Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chapter 5: Technical Specifications
Figure 5.1 Ultraweld L20 Actuator Pneumatic Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Chapter 6: Operation
Figure 6.1 Speed Controls and Cooling Knob Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 6.2 Up/Down Stop Knob Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 6.3 Tool Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 6.4 Knurl Pattern Imprint Evaluations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Chapter 7: Maintenance
Figure 7.1 Ultrasonic Stack Assembly.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 7.2 Exploded Ultrasonic Stack Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 7.3 Cleaning object mating surface direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 7.4 Reconditioning Tip and Nut Clamping Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 7.5 Encoder Board Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Appendix A: Interconnect Diagram
Figure A.1 Ultraweld L20 Interconnect Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84