Resumen

Portable machine and procedure to perform soft impact tests, with large load application area, on fragile materials. Soft impact through an impact element (5) of reduced and variable mass that allows applying with high precision impacts in large load application areas, with variation of the angle of incidence. The impact element (5) comprises a head (51) impactor, of reduced mass, launched from the action of an elastic element, e.g. Compression of a spring, through a variable preload system (2) located on a fixed structure (1). The machine comprises a firing system (4) that is independent of the preload system (2). To make an impact, a certain head type (51) and a preload are chosen. The action is initiated by the firing system (4) which incorporates a rocker (42) and a handle (41). Once the impact is made, a retention system (6) prevents the impactor head (51) from hitting the specimen or specimen (7) to be tested. The retention system (6) incorporates a retaining rubber (63) and a hinge (64). A continuous temporal record of the acceleration, amount of movement and deformation of the glasses is made from the beginning of the impact until the end of the same that allows to know the effect on the glass of the equivalent load. (Machine-translation by Google Translate, not legally binding)