Impact testing apparatus

Details Impact testing apparatus Impact testing apparatus

1985-06-21

1987-02-03

Ruehl, Charles A.

Measuring and testing

Testing by impact or shock

Specimen impactor detail

G01N 330

Patent

active

046401202

ABSTRACT:
Impact testing apparatus in which a weighted dart is dropped from a prescribed height to penetrate a test specimen when traveling at a desired velocity and level of kinetic energy, the acceleration of the dart being assisted by a spring force in the direction of travel so that the prescribed height is maintained at a minimum for a given desired velocity and the dart being guided to the test specimen by a generally tubular guide within which the dart is loosely fitted. A force transducer is located at the tip of the dart for providing impact force information as the tip penetrates the test specimen.

REFERENCES:
patent: 2740286 (1956-04-01), DeVost et al.
Bityutskii et al, "Vertical Impact Testing Machine . . . Rubber Accelerator", Industrial Laboratory, vol. 41, No. 8, Aug. 1975, pp. 1277-1278.
Kostrov et al., "Spring Device for Impact Tests of Plastics", Ind. Lab., vol. 45, No. 11, Nov. 1979, pp. 1305-1306.
Stalevich et al, "Apparatus for Determining the Shear Impact Strength . . . ", Meas. Tech., No. 6, Jun. 1970, pp. 860-862.

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