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scientific edition of Bauman MSTU


Bauman Moscow State Technical University.   El № FS 77 - 48211.   ISSN 1994-0408

# 1, November 2003

Science and Education
Modernization of machinery equipment based on modern information technology
# 1, November 2003
DOI: 10.7463/1103.0551050
S.I. Suyatinov
The actual issue of modernization of machinery equipment based reinnovation is considered. It is shown that in the conditions of limited resources the reinnovation allows to raise a number of important characteristics of machines and, therefore, competitiveness of all production. As a technological basis of a reinnovation it is offered to use information technology and modern electronic components. Depending on scales of modernization three levels of a reinnovation are allocated, their features are considered and practical recommendations about realization of technical tasks at each level are made. As a particular example of a reinnovation the problem of the condition assessment of a sander spindle using modern information technology is considered.

Machine Building and Engineering Science

Manufacturability of renovation objects during the recovery
# 1, November 2003
DOI: 10.7463/1103.0628299
V.M. Yaroslavtsev
Features of estimating the manufacturability during the recovery of damaged and worn-out machine components were considered in this paper. It was shown that during the recovery of machine components one has to take into account not only generally accepted and standardized manufacturability indexes but also some special criteria addressing the specificity of renovation. New manufacturability indexes were introduced; they are the coefficient of materials-output ratio during the recovery of lost material and the coefficient which allows one to take into account the amount of material removed during the recovery. Comparative analysis of the composite influence of positive and negative factors on the operating costs and resulting indexes of renovation allows one to determine the efficiency and practicability of renovation in every single case.
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