Patent ID: 6209400
Filing Date: 2001-04-03
Classification: B30B,G01D

Abstract:
A hand held device attachable to a mechanical press to measure press conditions including vibration severity zone, said device comprising:an accelerometer for measuring press conditions and creating a corresponding signal;a hand held signal processing means for processing said corresponding signal, said signal processing means connected to said accelerometer to process said corresponding signal, said signal processing means comprising:an acceleration processing means for calculating a press acceleration signal;a velocity processing means for calculating a press velocity signal;a displacement processing means for calculating a press displacement signal;a highpass filter, said highpass filter forming a part of said velocity processing means, said highpass filter having a frequency band whereby lower frequency signals are removed to prevent interference of press inertia effects when measuring the vibration severity zone of the press;a display means for displaying at least one of said calculated signals; anda switch connecting said acceleration, velocity, and displacement processing means together and permitting an operator to select one of said calculated signals for input to said display means.