1. Metal Stamping Press Load Sensing and Control Matt De Kam

2. Objective Sense and control the load of a metal stamping press. What factors contribute to loading? What methods can be used to sense the load? How can this information be integrated into the control system?

3. The Press 60 ton capacity Unique Drive Train

4. Contributing Factors Working metal properties Cutting clearance Tool sharpness Cutting shear Ram velocity

5. Load Sensing Methods Strain Gauges Load Cells Piezoelectric Transducers

6. Control System Options Digital Readout Load Limit Switch SPC Tracking Variable Velocity Servo Press

7. Still Working on the Transfer Function

8. Simulations Typical Load Signal

9. Simulations Load limit switch

10. Simulations Variable velocity servo press

11. Simulations Variable velocity servo press

12. Questions?