METHOD FOR MAKING REINFORCED HOLLOW CYLINDRICAL ARTICLES OF FIBROUS COMPOSITION MATERIALS Russian patent published in 2003 - IPC

Abstract RU 2209131 C1

FIELD: plastic working of fibrous composition materials, aerospatial industry branch, different branches of machine engineering. SUBSTANCE: method comprises steps of assembling blank onto mandrel; rigidly securing blank to mandrel and compacting it at isothermic condition and at constant pressure equal to stress of compaction of fibrous composition materials. Blank is assembled on hollow mandrel; compaction is performed at rolling blank between rolls along the whole length of blank generatrix at revolution number n of rolls determined as where Kncl - coefficient of non-closeness of blank; ho - initial thickness of blank; R - radius of rolls of rolling mill; td - time period necessary for deformation. EFFECT: improved factor of material usage, lowered cost price of article. 1 dwg

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RU 2 209 131 C1

Authors

Galkin V.I.

Nuzhdin V.N.

Paltievich A.R.

Preobrazhenskij E.V.

Dates

2003-07-27Published

2001-11-21Filed