FIELD: machine building.
SUBSTANCE: drill contains body out of hard alloy, connected by means of trunnion with steel shank. In body external V-shape straight channel and internal straight channel with permanent profile are made, the later has curvilinear form of kidney shape with different diameters of arc. The shank is made as single part with trunnion.
EFFECT: improved shaving removal from machined hole, drill centring, increased accuracy of made holes with small diameters.
1 tbl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| UNILATERAL CUTTING DRILL AND METHODS OF ITS MANUFACTURE (VARIANTS) | 1996 |
|
RU2101141C1 |
| SINGLE-SIDE CUTTING DRILL WITH INTERNAL DELIVERY OF LUBRICATING AND COOLING LIQUID | 1992 |
|
RU2102196C1 |
| SINGLE-ANGLE POINT DRILL AND METHOD OF MAKING SAME | 1994 |
|
RU2068321C1 |
| DEVICE FOR DRILLING DEEP HOLES | 0 |
|
SU576709A1 |
| SINGLE SIDE BORING TOOL | 0 |
|
SU1690963A1 |
| GUN DRILL | 2006 |
|
RU2409452C2 |
| METHOD AND TOOL FOR PULL BORING OF INTERNAL HOLE IN BILLET MADE OF ZIRCONIUM AND ZIRCONIUM-BASED ALLOYS FOR ROLLING | 1998 |
|
RU2138370C1 |
| TOOL FOR HIGH-SPEED DRILLING OF LARGE-DIAMETER HOLES | 2013 |
|
RU2515780C1 |
| PROCESS OF MANUFACTURE OF TOOL FOR DEEP DRILLING | 1997 |
|
RU2118234C1 |
| HOLE MACHINING TOOLS | 0 |
|
SU1662769A1 |
