FIELD: machine building.
SUBSTANCE: billet is revolved while thread cutting head is fed axially. Used is thread cutting head with thread cutting rollers with toothed cutting ribs with cutting edges arranged opposite ledges thread rolled at the billet. Width of cutting edge teeth tops equals that of tops of ledges of rolled thread.
EFFECT: increased depth of cut thread hardening.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BILLET INNER THREAD TAP | 2012 |
|
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| OUTER THREAD OSCILLATION KNURLING METHOD | 2005 |
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| OSCILLATING ROLLERS FOR KNURLING OUTER THREADS | 2005 |
|
RU2277990C1 |
| OUTER THREAD ROLLING DEVICE | 2010 |
|
RU2447965C2 |
