Abstract
In recent years, there has been a great development of methodologies, procedures and software tools for quantitative assessment of reliability, efficiency and effectiveness of physical protection systems. Absence of some important input values, as well as missing method to obtain them, is still the most serious problem. This paper is focused on analysis of possibilities how to obtain delay time values in the case of cylinder pin tumbler locks using non-destructive methods of breaking. In the introduction of the article, a proposal of the methodology for testing the mechanical resistance of cylinder pin tumbler locks is elaborated. Consequently, the focus is set on analysis of results obtained during the pilot tests in order to verify the correctness of the proposed methodology. With the tests, it is possible to assess the resulting resistance of cylinder pin tumbler locks also in terms of classification into resistance classes. The pilot testing needs to be implemented mainly due to the lack of a technical standard that processes the issue within the established methodology.
Highlights
The aim of this article is to find out the mechanical resistance of cylinder pin tumbler locks against the non-destructive methods
The section is focused on methods of breaking the cylinder pin tumbler locks, using bumping, picking and racking, which will be discussed in more detail
The article focused on the problem of testing the mechanical resistance of the cylinder pin tumbler locks
Summary
The aim of this article is to find out the mechanical resistance of cylinder pin tumbler locks against the non-destructive methods. The first part deals with description and characteristics of cylinder pin tumbler locks; basic terms that are necessary for understanding this field of study; structure of cylindrical pin tumbler locks and the principles of their function. The section is focused on methods of breaking the cylinder pin tumbler locks, using bumping, picking and racking, which will be discussed in more detail. The article includes a proposal for a testing method, which does not have a normative basis for the selected breaking methods. The final part is focused on connecting the results from the tests performed with their implementation in practice
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