Abstract
The paper provides the results of studying the effect of technological factors of the cold pipe rolling process on the changingof Q-factor distribution along the deformation cone. The Q-factor value, which is the relationship between actual deformation on the wall thickness and actual deformation on the pipe mean diameter, and the pattern of its distribution along the deformation cone are controlledvalues when rolling pipes from titanium and zirconium alloys of a certain range. The Q-factor defines whether metal grains will be oriented radially or tangentially. It is desirable that Q-factor f luctuate around its definite value with low amplitude along the entire deformation cone. It is determined that the method used to calculate the pipe wall thickness distribution along the deformation cone has a significant effect on the change in the Q-factor distribution along the deformation cone. The advantages of using mandrels with a curvilinear generatrix of the working surface profile are confirmed. Dependences ascertained in the article can be used to calculate the schedules of rolling and calibration of cold pilgering mill tools.
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Schedule a callMore From: Izvestiya Vuzov Tsvetnaya Metallurgiya (Proceedings of Higher Schools Nonferrous Metallurgy
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