Calibration impact hammer

An instrumented hammer that gives the operator a measurement of the impact energy of each hammer blow. A head or main body portion slidably receives an inertia rod spring mounted in a longitudinal bore therein. Upon striking a surface, momentum causes movement of the rod forward against the spring p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GLASS, III, SAMUEL W
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	An instrumented hammer that gives the operator a measurement of the impact energy of each hammer blow. A head or main body portion slidably receives an inertia rod spring mounted in a longitudinal bore therein. Upon striking a surface, momentum causes movement of the rod forward against the spring pressure. A slot on the rod moves through an optical switch which emits a signal relative to the movement of the slot therethrough. A display assembly receives the signal and calculates the impact energy of the hammer blow.