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(19)

(11)

2 481 927

(13)

(51)

IPC

B23F21/16(2006-01-01)

B23G5/18(2006-01-01)

B23C5/00(2006-01-01)

(21) (22)

Application

2011148986/02, 2011-12-02

(24)

Start date

2011-12-02

(22)

Actual filing date

2011-12-02

(45)

Published

2013-05-20

(72)

Inventor

Ermakov Jurij MikhajlovichDronov Andrej Mikhajlovich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Priborostroenija I Informatiki"

WORM CUTTER Russian patent published in 2013 - IPC B23F21/16 B23G5/18 B23C5/00

Abstract RU 2481927 C1

FIELD: process engineering.

SUBSTANCE: invention relates to machine building and may be used for milling at whatever direction of rotation. Worm cutter for gear or thread milling comprises preset-shape form-relieved teeth arranged in helical line. Teeth feature symmetric concave shape over their length and have identical blades form-relived to tooth mirror axis.

EFFECT: higher durability.

3 cl

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RU 2 481 927 C1

Authors

Ermakov Jurij Mikhajlovich

Dronov Andrej Mikhajlovich

Dates

2013-05-20—Published

2011-12-02—Filed