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2 481 910

(13)

(51)

IPC

B21D7/12(2006-01-01)

(21) (22)

Application

2011130048/02, 2011-07-19

(24)

Start date

2011-07-19

(22)

Actual filing date

2011-07-19

(45)

Published

2013-05-20

(72)

Inventor

Vdovin Sergej IvanovichLunin Konstantin Sergeevich

(73)

Holder

Federal'Noe Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Universitet Uchebno-Nauchno-Proizvodstvennyj Kompleks" Vpo Unpk")

AUTOMATIC CONTROL OVER TUBE BENDING Russian patent published in 2013 - IPC B21D7/12

Abstract RU 2481910 C2

FIELD: process engineering.

SUBSTANCE: invention relates to metal forming and may be used for tube bending by coiling on profile gage. Bending angle is set by control program incorporating angle correction command to compensate for tube resiliency. Note here than in bending, straight, unlocked, end travel and profile gage rotation are measured. Measurement results are loaded in application program interacting with NC system control program. Tube axis elongation and bending angle corrosion are calculated to be allowed for in bending.

EFFECT: higher accuracy of bending.

2 dwg

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RU 2 481 910 C2

Authors

Vdovin Sergej Ivanovich

Lunin Konstantin Sergeevich

Dates

2013-05-20—Published

2011-07-19—Filed