JPS6022211U - Brazed joint drill for deep hole drilling - Google Patents
Brazed joint drill for deep hole drillingInfo
- Publication number
- JPS6022211U JPS6022211U JP11359383U JP11359383U JPS6022211U JP S6022211 U JPS6022211 U JP S6022211U JP 11359383 U JP11359383 U JP 11359383U JP 11359383 U JP11359383 U JP 11359383U JP S6022211 U JPS6022211 U JP S6022211U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- diameter
- tip
- groove
- deep hole
- 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.)
- Granted
Links
Landscapes
- Drilling Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案ドリルの一例を示す斜視図、第２図はそ
の側面図、第３図は正面図、第４図は縦断側面図、第５
図は第２図のＸ−Ｘ線に沿った断面図である。
１・・・・・・本体、２・・・・・・鋼製シャンク、３
・・・・・・超硬ヘッド、４・・・・・・ねじれ溝、５
・・・・・・給油孔、５ａ・・・・・・分岐孔、６・・
・・・・前切刃、７・・・・・・すくい面、訃・・・・
・側面壁、９・・・・・・ポケット、１０・・・・・・
シンニング溝、１１・・・・・・チゼル刃。
８、「−１０−＝
１０７１９３
（）
２Fig. 1 is a perspective view showing an example of the drill of the present invention, Fig. 2 is a side view thereof, Fig. 3 is a front view, Fig. 4 is a vertical side view, and Fig. 5 is a perspective view showing an example of the drill of the present invention.
The figure is a sectional view taken along the line XX in FIG. 2. 1...Body, 2...Steel shank, 3
... Carbide head, 4 ... Twisted groove, 5
...Oil supply hole, 5a... Branch hole, 6...
...Front cutting edge, 7...Rake face, butt...
・Side wall, 9...Pocket, 10...
Thinning groove, 11...Chisel blade. 8, "-10-= 107193 () 2
Claims (1)
超硬合金製ドリルヘッドを鑞付は接合したツイストドリ
ルにおいて、その本体内部に孔径がドリル径の０． ２
倍以下で途中から分岐して前逃げ面に抜ける給油孔を設
け、一方、本体の芯厚は、はぼ下リル径の３５〜４５％
とし、かつねじれ溝先端部には、ドリル外周部における
前切刃からの巾がドリル径の５〜１０％で溝のねじれ角
を０〜１５°小さくするす（い面と、前切刃の外周直線
刃より生成された切屑の排出方向前方に位置する側面壁
とによって画されるポケットを形成して先端部のドリル
芯厚をドリル径の１５〜２５％にし、さらに、上記ポケ
ットの先端部にはチゼル刃の巾をドリル直径の５〜１０
％にするシンニング溝を設けて成る深穴加工用鑞付は接
合ドリル。This is a twist drill in which a cemented carbide drill head with a length of 1 to 2.5 times the drill diameter is brazed to the tip of a steel shank. 2
A refueling hole is provided that branches out from the middle and exits to the front flank at a diameter of less than 2.5 times, and the core thickness of the main body is 35 to 45% of the diameter of the bottom rill.
In addition, the tip of the helical groove is provided with a groove surface that reduces the helix angle of the groove by 0 to 15 degrees and the width from the front cutting edge at the outer periphery of the drill is 5 to 10% of the drill diameter. A pocket defined by a side wall located forward in the direction of discharge of chips generated from the outer circumferential straight cutting edge is formed, and the thickness of the drill core at the tip is set to 15 to 25% of the drill diameter, and further, the tip of the pocket is The width of the chisel blade is 5 to 10 times the diameter of the drill.
The soldering drill for deep hole machining is a joining drill with a thinning groove that reduces the number of %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11359383U JPS6022211U (en) | 1983-07-19 | 1983-07-19 | Brazed joint drill for deep hole drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11359383U JPS6022211U (en) | 1983-07-19 | 1983-07-19 | Brazed joint drill for deep hole drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6022211U true JPS6022211U (en) | 1985-02-15 |
| JPH0340499Y2 JPH0340499Y2 (en) | 1991-08-26 |
Family
ID=30262891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11359383U Granted JPS6022211U (en) | 1983-07-19 | 1983-07-19 | Brazed joint drill for deep hole drilling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009018382A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Drill |
-
1983
- 1983-07-19 JP JP11359383U patent/JPS6022211U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009018382A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Drill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0340499Y2 (en) | 1991-08-26 |
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