Abstract
An impact-resistant layered element consisting of two outer layers from highly rigid material and an inner layer from viscoelastic material has been developed. The item reduces the barring effect on the protected object. The design peculiarity is that the outer part has a bend with a deflection arrow within 10… 15 thicknesses, and has a connection of the outer layers from high-stiff material on opposite edges with staples from plastic material, which during plastic deformation flows into the edge holes coaxially in the outer layers, on the inner side of the impact-resistant element is attached a shock-absorbing layer from elastic foamed polymeric material, the back surface of which corresponds to the surface of the protected object. For the parts manufacture it has been developed bending sheet parts method in which the bending the part shelves with a bending element with their subsequent straightening. The aim is to increase the process productivity and the geometric dimensions’ accuracy of the part. Modeling the process of parts spontaneous forming "Impact-resistant element upper sheet" on the reverse and direct schemes is performed by the finite element method in the AnSYS / AutoDYN system. The study purpose is to develop technology and modeling the process of the impact-resistant element sheet parts deformation.
Highlights
layered element consisting of two outer layers from highly rigid material
The design peculiarity is that the outer part has a bend with a deflection arrow
which during plastic deformation flows into the edge holes
Summary
Вибір та моделювання процесу формозмінювання деталей шаруватого ударостійкого елементу Розроблено ударостійкий шаруватий елемент, що складається з двох зовнішніх шарів із високо жорсткого матеріалу та внутрішнього шару із в’язкопружного матеріалу.
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