Impact and impact-rotary tool testing apparatus using rotary spe

Details Impact and impact-rotary tool testing apparatus using rotary spe Impact and impact-rotary tool testing apparatus using rotary spe

1991-08-30

1994-01-11

Raevis, Robert

Measuring and testing

Testing impact delivering device

G01M 1900

Patent

active

052770559

ABSTRACT:
A test stand has a base supporting standards on which are mounted a crossbar and an adjustably locatable header. The header supports an actuator for raising and lowering the crossbar which holds V-blocks for engaging the handles of an impact or impact-rotary tool and which applies downward pressure to the tool. The tool chuck is fitted to the top of a guide rod whose lower end passes with a sliding fit through a disc to which it is keyed and bears against a piston in an hydraulically pressurized cylinder. Sensors detect rotation of the disc and movement of the piston to provide information to a computer as to impact energy and rotary speed. A manifold fitted with sensors for temperature, pressure, and flow rate supplies operating air to the tool. The computer includes a database with stored information as to past history of the tool and the manufacturer's recommended operating specifications to which the measured data is compared.

REFERENCES:
patent: 842136 (1907-01-01), Chambers
patent: 1375604 (1921-04-01), Olsen
patent: 1576465 (1926-03-01), Pryce
patent: 2761307 (1956-09-01), Williams
patent: 2909922 (1959-10-01), Haman
patent: 4580130 (1986-04-01), Tokunga et al.
patent: 4725777 (1988-02-01), Tousch
patent: 4901587 (1990-02-01), Deremo et al.

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