Publication detail

Detail Theoretical Preparation of the Drop Test of an Electron Microscope.

Authors: Paščenko Petr | Kanický Viktor

Year: 2011

Type of publication: článek ve sborníku

Name of source: Vibration Problems ICOVP 2011

Publisher name: Springer

Place: Berlin

Page from-to: 195-202

Titles:

Language	Name	Abstract	Keywords
cze	Podrobný teoretický rozbor pádové zkoušky elektronového mikroskopu	Práce se zabývá přípravou a praktickou realizací pádové zkoušky elektronového mikroskopu. Teoretický rozbor je ralizován s využitím MKP. Vypočtené hodnoty zrychlení při pádu jsou porovnávány se skutečně naměěřenými hodnotami na reálné konstrukci. Zjištěné hodnoty byly využity výrobcem pro konstrukci přepravních obalů zařízení.	pádová zkouška;elektronový mikroskop; nosný rám; setrvačnost
eng	Detail Theoretical Preparation of the Drop Test of an Electron Microscope.	The article deals with the preparation and execution of the drop test of the electron microscope assembly. Based on the finite element method (FEM), the simplified numerical model of the assembly is created for this purpose. The aim of the nonlinear dynamic analysis has been to obtain the size and direction of maximum inertia forces in the system during the simulated impact of the model on basis. Calculated values are verified by actual drop tests of the assembly. Theoretical results are re-adjusted according to the test results. The conditions of the drop tests are governed by the internal regulations of the manufacturer. Based on the knowledge of the actual load, the load carrying structural parts of the assembly (supporting frame, horizontal frame) may be properly designed. Sufficient strength and rigidity must be guaranteed especially with regard to the transportation where rough treatment can be expected.	Drop test; Electron microscope; Dummy body; Supporting frame; Horizontal frame;Inertial forces

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