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- Title
ENERGETIC ANALYSIS OF HARD FACING AND WELD CLADDING OF AN AIR POWERED DROP HAMMER DAMAGED RAM.
- Authors
Lazić, Vukić N.; Jovanović, Milorad D.; Sedmak, Aleksandar S.; Aleksandrović, Srbislav M.; Milosavljević, Dragan I.; Krstić, Božidar V.; Cukić, Rajko D.
- Abstract
This paper studies problems of hard facing of damaged and initially cracked mechanical engineering heavy parts of complex geometry such as large rams of air powered drop hammers. During long-term exploitation, these parts are subjected to thermal fatigue due to cyclic temperature changes and variable impact compression. Taking into consideration high ram costs and difficulties to purchase ram, the necessity of its reparation becomes obvious. The choices of the most suitable technologies of hard facing and welding of an initially cracked ram are also studied here. Besides the techno-economic analysis, an energetic analysis is performed as an additional criterion in assessment of the proposed technology.
- Subjects
HYDRAULIC rams; WELDING equipment; ELECTRODES; METAL cladding; MECHANICAL engineering
- Publication
Thermal Science, 2010, Vol 14, pS269
- ISSN
0354-9836
- Publication type
Article
- DOI
10.2298/TSCI100501021L