The Paton Welding Journal, 2015, №09



2015 №09 (05)

DOI of Article 10.15407/tpwj2015.09.06

2015 №09 (07)

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The Paton Welding Journal, 2015, #9, 36-44 pages
 

Equipment for preparation of pipe ends to welding of position butt joints of pipeline

L.M. Lobanov¹, N.M. Makhlin², V.K. Smolyakov², V.E. Vodolazsky², V.E. Popov² And A.A. Sviridenko³

¹E.O. Paton Electric Welding Institute, NASU. 11 Bozhenko Str., 03680, Kiev, Ukraine. E-mail: office@paton.kiev.ua
²SE «Research Engineering Center of Welding and Control. in Power Engineering of E.O. Paton Electric Welding Institute». 11 Bozhenko Str., 03680, Kiev, Ukraine. E-mail: electro@paton.kiev.ua
³Company CHEZARA. 25 Odintsov Str., 14030, Chernigov, Ukraine. E-mail: mial@chezara.com
 
 
Abstract
The results are given on developments of the PWI and its special sub-divisions in creation of domestic specimens of current equipment for preparation to welding of ends and edges of position butts of 14-159mm diameter pipelines from austenite and pearlite class steels and high alloys in assembly, repair and modernization of power engineering objects, including power generating units of nuclear and heat electric plants, in chemical and power machine building, at enterprises of oil-and-gas complex and other branches of industry. Studied are the peculiarities of design of developed end facers for treatment of 14-76 mm diameter pipes with wall thickness up to 7 mm and pipe cutters for treatment of V- and U-groove edges of position butts in pipes of 76-159 mm diameter and up to 12 mm wall thickness and main constituents of this equipment. It is shown that developed domestic equipment, in comparison with foreign analogues, has a series of significant advantages allowing increasing total efficiency of machining and reducing time of personal staying in zone of influence of harmful environment factors. 26 Ref., 5 Tables, 6 Figures.
 
Keywords: nuclear power engineering, pipeline position butts, automatic orbital welding, machining, pneumatic drives, end facers, pipe cutters, supports, cutting tools
 
 
Received:                18.06.15
Published:               26.10.15
 
 
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