Impact test apparatus

Details Impact test apparatus Impact test apparatus

1983-12-23

1985-07-30

Ruehl, Charles A.

Measuring and testing

Testing by impact or shock

Specimen impactor detail

G01N 330

Patent

active

045314012

ABSTRACT:
An apparatus for guided free fall impact testing of aerodynamically unstable disc shaped articles such as molded records. The apparatus has a vertical guide means which has guide rails and guide slides for correcting attitude deviations from the vertical of a disc shaped article as it free falls through the guide means. The apparatus also includes means for releaseably securing a disc shaped article at a preselected height. The apparatus also includes a contact plate for terminating the free fall of the disc shaped article and imparting the resulting impact force at a point on the outer diameter of the article.

REFERENCES:
patent: 1809347 (1931-06-01), Martin
patent: 3224249 (1965-12-01), Ford et al.
patent: 3426578 (1969-02-01), Bergs et al.
D. C. Guidici-"Fracture Strength of Silicon Wafers"-Electronic Packaging & Production, vol. 18, No. 4, Apr. 1978, pp. 98-100.
Ed Galli, "Properties Testing: Impact" Plastics Compounding, Sep./Oct. 1982, pp. 18-20, 22, 24, 26-28.

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