| 摘要 |
A signature analysis control system for a stamping press is disclosed which does not require a multiplicity of sensors or reconfiguration upon changing the die. An upper and lower reference signature corresponding to desired force values at particular sampling points during the ram cycle is developed based on a known good sample signature. The force signature for successive cycles of the press is then compared to the upper and lower reference signatures, and the press is inhibited in the event that any sampling point deviates from the corresponding point in the reference signatures.
|
