Open AccessCAPACITY ANALYSIS OF WORKPIECE BENDING VIBRATIONS EFFECT ON SELF-EXCITATION UNDER DEEP-HOLE DRILLING OF LOW-RIGID PARTS MADE OF HETEROGENEOUS MATERIAL
Author(s) -
Alexander Lukyanov,
Tatyana Sergeyevna Onoyko,
Pavel Vereshchetin
Publication year - 2014
Publication title -
vestnik donskogo gosudarstvennogo tehničeskogo universiteta
Language(s) - English
Resource type - Journals
eISSN - 1992-6006
pISSN - 1992-5980
DOI - 10.12737/3515
Subject(s) - drilling , vibration , deep hole drilling , bending , transformation (genetics) , mechanical engineering , excitation , structural engineering , research object , transformation matrix , materials science , computer science , engineering , physics , kinematics , acoustics , classical mechanics , chemistry , biochemistry , electrical engineering , regional science , gene , geography
A production facility model to be used und er the deep - hole drilling of large - diameter tube plates with a heterogen eous structure made of hard - to - machine materials is presented. Dynamic properties of the object as a composite membrane with several anchorage points are analyzed. Modes of the workpie ce vibrations with account for its i nternal heterogeneous structural features are defined. The object structure transformation in the cou rse of pr ocessing (the formation of a large number of holes) effects on its elastic and dynamic properties. Su ch effect fe atures are considered. To simplify the practical application of the model, some recommendations for t he global stif fness matrix transformation, and the production facility dissipation to the local points correspondin g to the applic ation places under the hole making are given. The research results are focused on the creation of an automatic co ntrol system for the deep - hole drilling of hard - to - machine and heterogeneous materials.