JPS6310014U - - Google Patents
Info
- Publication number
- JPS6310014U JPS6310014U JP10335086U JP10335086U JPS6310014U JP S6310014 U JPS6310014 U JP S6310014U JP 10335086 U JP10335086 U JP 10335086U JP 10335086 U JP10335086 U JP 10335086U JP S6310014 U JPS6310014 U JP S6310014U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- drill
- carbide
- line
- steel shank
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Description
第1図は、この考案のドリルの側面図、第2図
はそのドリルの超硬チツプの背面図、第3図は従
来ドリルの側面図、第4図はそのドリルのシヤン
ク先端を示す正面図、第5図は他の従来ドリルの
側面図、第6図はそのドリルの超硬チツプを示す
背面図、第7図はさらに他の従来ドリルを示す側
面図、第8図は、そのドリルのシヤンク先端を表
わす正面図である。
1……超硬チツプ、2……鋼シヤンク、3……
ねじれ溝、4……V溝の切截面、5……ランド部
、6……マージン部、b……V溝の頂角の稜線、
c……ランド部の回転方向後端、d……ねじれ溝
とマージン部の交点。
Fig. 1 is a side view of the drill of this invention, Fig. 2 is a rear view of the carbide tip of the drill, Fig. 3 is a side view of the conventional drill, and Fig. 4 is a front view showing the tip of the shank of the drill. , FIG. 5 is a side view of another conventional drill, FIG. 6 is a rear view showing the carbide tip of the drill, FIG. 7 is a side view of another conventional drill, and FIG. 8 is a side view of the drill. FIG. 3 is a front view showing the tip of the shank. 1... Carbide chip, 2... Steel shank, 3...
Twisted groove, 4... Cutting surface of V groove, 5... Land part, 6... Margin part, b... Ridge line of apex angle of V groove,
c...Rear end of the land portion in the rotational direction, d...Intersection of the helical groove and the margin portion.
Claims (1)
ンク先端にV字形に鑞付け接合して形成される2
枚刃のツイストドリルにおいて、鋼シヤンク先端
のV突起に対応させて超硬チツプの後端に設ける
V溝の頂角の稜線を、回転中心を通つて180°
対称位置にある2つのランド部の回転方向後端部
間を結ぶ線又はその線と実質的に等しい線上に配
置したことを特徴とする超硬ドリル。 2, which is formed by brazing the carbide tip that makes up the tip of the drill to the tip of the steel shank in a V-shape.
In a single-blade twist drill, the ridgeline of the apex angle of the V groove provided at the rear end of the carbide tip in correspondence with the V protrusion at the tip of the steel shank is 180° through the center of rotation.
A carbide drill characterized in that the carbide drill is disposed on a line connecting rear ends in the rotational direction of two lands located at symmetrical positions or on a line substantially equal to the line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10335086U JPS6310014U (en) | 1986-07-03 | 1986-07-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10335086U JPS6310014U (en) | 1986-07-03 | 1986-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6310014U true JPS6310014U (en) | 1988-01-22 |
Family
ID=30975826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10335086U Pending JPS6310014U (en) | 1986-07-03 | 1986-07-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6310014U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014511776A (en) * | 2011-04-19 | 2014-05-19 | ティーシーエム インターナショナル ツール コンサルティング アンド マネージメント ゲーエムベーハー | Ceramic drills for high performance drilling of iron-casting materials |
-
1986
- 1986-07-03 JP JP10335086U patent/JPS6310014U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014511776A (en) * | 2011-04-19 | 2014-05-19 | ティーシーエム インターナショナル ツール コンサルティング アンド マネージメント ゲーエムベーハー | Ceramic drills for high performance drilling of iron-casting materials |
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