FIELD: metal working, finishing of openings.
SUBSTANCE: broach includes deforming- cutting members having grooves formed in them with inclination angle relative to axis and protrusions of the same width having positive lead angle at left side of groove at right arrangement of grooves and positive lead angle at right side of groove at left arrangement of grooves. In order to enlarge manufacturing possibilities, said grooves are arranged on the same tore surface of deforming-cutting member. In each next deforming-cutting member grooves have opposite direction; inclination angle of grooves relative to axis of broach is determined according to given relation. Deforming-cutting members are secured to flexible shaft-rope and they have in end faces cams for engaging them.
EFFECT: enlarged manufacturing possibilities of broach.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEFORMING-CUTTING BROACH | 2003 |
|
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| CUTTING - DEFORMING BROACH | 2004 |
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| METHOD FINISHING PART CYLINDRICAL SURFACES WITH THEIR SIZING AND HARDENING | 2011 |
|
RU2478025C1 |
