FIELD: process engineering.
SUBSTANCE: proposed tap comprises shank, cutting and gauging sections, and flexible element. First tooth of gauging section on cutting section side has full thread profile while next teeth feature decreased height and side profile on cutting section side. Note here that said decrease is smaller than or equal to half the height of every said next tooth of gauging section. Note here that shank is covered by flexible element with one end in contact with support step made on shank.
EFFECT: higher tool durability and thread quality.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TAP BORER | 1996 |
|
RU2103121C1 |
| SCREW TAP | 1998 |
|
RU2151673C1 |
| TAP FOR DEAD HOLES | 2010 |
|
RU2415737C1 |
| 0 |
|
SU540711A1 | |
| METHOD OF CUTTING INTERIOR THREADS AND TAP FOR PERFORMING SAME | 0 |
|
SU942914A1 |
| TAP | 1992 |
|
RU2087271C1 |
| TAP DIE | 0 |
|
SU1215245A2 |
| TAP | 0 |
|
SU1804379A3 |
| TAP | 1999 |
|
RU2229965C2 |
| MACHINE TAP | 2014 |
|
RU2566094C1 |
