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2 502 591

(13)

(51)

IPC

B25B21/00(2006-01-01)

(21) (22)

Application

2011128876/02, 2011-07-12

(24)

Start date

2011-07-12

(22)

Actual filing date

2011-07-12

(45)

Published

2013-12-27

(72)

Inventor

Shuvaev Vjacheslav GeorgievichShuvaev Igor' Vjacheslavovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Samarskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF MAKING THREAD JOINTS Russian patent published in 2013 - IPC B25B21/00

Abstract RU 2502591 C2

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to making thread joints. Proposed method comprises pre-tightening of thread joint by applying torque to joint moving element and subjecting it to ultrasound oscillations. Current magnitudes of oscillation amplitude and frequency are used to define current values of joint dynamics.In case dynamic index reaches reference value said joint is locked by locking moment at acting by ultrasound oscillations to thread joint elements, ultrasound oscillation amplitude exceeding that of pre-tightening.

EFFECT: reliable locking.

1 dwg

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RU 2 502 591 C2

Authors

Shuvaev Vjacheslav Georgievich

Shuvaev Igor' Vjacheslavovich

Dates

2013-12-27—Published

2011-07-12—Filed