JPH03100009U - - Google Patents
Info
- Publication number
- JPH03100009U JPH03100009U JP713590U JP713590U JPH03100009U JP H03100009 U JPH03100009 U JP H03100009U JP 713590 U JP713590 U JP 713590U JP 713590 U JP713590 U JP 713590U JP H03100009 U JPH03100009 U JP H03100009U
- Authority
- JP
- Japan
- Prior art keywords
- throw
- drill
- tip
- away tip
- away
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案の１実施例に係るスローアウエ
イチツプ式ドリルの全体図、第２図は丸駒チツプ
の真の切り込み量の説明図、第３図は丸駒チツプ
とＲ形チツプに加わる軸直角方向スラストの説明
図、第４図は従来のスローアウエイ式ドリルの全
体図、第５図は第４図のドリルによる薄板切削加
工時の作用図、第６図は従来のラジアルリツプ形
状ドリルの全体図、第７図は本考案の示す第１図
のＡ−Ａ矢視断面図、第８図は従来のスローアウ
エイ式ドリルの全体図、第９図は第８図のドリル
で穿孔したときの穴断面形状図を示す。
１……ドリルのシヤンク部、２……中心切刃用
スローアウエイＲ形チツプ、３……外周切刃用ス
ローアウエイ丸駒チツプ、４……スパイラル溝、
１１……ドリルのシヤンク部、１２……角形スロ
ーアウエイチツプ、１３……角形スローアウエイ
チツプ、１４……被加工薄板、１５……ラジアル
リツプ形状ドリル、１６……スパイラル溝。
Fig. 1 is an overall view of a throw-away tip type drill according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of the true depth of cut of a round tip, and Fig. 3 is an illustration of the true cutting depth of a round tip and an R-shaped tip. An explanatory diagram of thrust in the direction perpendicular to the axis. Figure 4 is an overall view of a conventional indexable drill. Figure 5 is a diagram of the action of the drill in Figure 4 when cutting a thin plate. Figure 6 is an illustration of a conventional radial lip drill. Overall view, Figure 7 is a sectional view taken along the line A-A in Figure 1 according to the present invention, Figure 8 is an overall view of a conventional throw-away drill, and Figure 9 is when drilling with the drill in Figure 8. A cross-sectional diagram of the hole is shown. 1... Shank part of the drill, 2... Throwaway R-shaped tip for the center cutting edge, 3... Throwaway round piece tip for the outer cutting edge, 4... Spiral groove,
DESCRIPTION OF SYMBOLS 11...Shank part of a drill, 12... Square throw-away chip, 13... Square throw-away chip, 14... Thin plate to be processed, 15... Radial lip shaped drill, 16... Spiral groove.
Claims (1)
部の外周側に着脱自在に保持した丸駒スローアウ
エイチツプと、中心側に着脱自在に保持したＲ形
スローアウエイチツプとより構成したスローアウ
エイチツプ式ドリル。 A throw-away tip type drill consisting of a tool shank with a chip evacuation groove, a round throw-away tip detachably held on the outer periphery of its tip, and an R-shaped throw-away tip detachably held on the center side. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP713590U JPH03100009U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP713590U JPH03100009U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100009U true JPH03100009U (en) | 1991-10-18 |
Family
ID=31510795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP713590U Pending JPH03100009U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100009U (en) |
-
1990
- 1990-01-30 JP JP713590U patent/JPH03100009U/ja active Pending
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