Equivalence of Drop Test for Packaging Freight

The optirnal cushioning design must be carried out to protect the products sufficiently from mechanical shock generated during transportatio 【 L The final step of the cushioning design procedure is the tes 廿 ng of the prototype package ． The drop test has canried out as an evaluation of shock absorbing Package ， The free fall test is used the free fall （ irop test equipment ． The test has a fundamental problem which cannot be sirnulated perfect drol 〕 pelpendicularly to the dropping surface of thc package ． On the other ha 皿 d ， the controlled shock test is also carried out as a simulated drop test by using a mechanicaI shock test machine which is used in am evaluation of the mechanical shock 仕 agility of product ． The test has supposed the bold approximation of the packaging dynamic condition ． We can select the drop test from the above two methodS ， but are shock responses of 止 eproduct by the two test promised per 驚 ct equal ？ M 跏 y 血 op tests of 血 e dummy packaged carton box which conta 血 s the transport environment recorder are carried out used by the free falhester and the mechanical shock test machine ． 皿 le results by the two test procedures are compared to confirm the equivalence of the drop testing by the free fall test and the controlled sh k test ．