JPS6310013U - - Google Patents
Info
- Publication number
- JPS6310013U JPS6310013U JP10420486U JP10420486U JPS6310013U JP S6310013 U JPS6310013 U JP S6310013U JP 10420486 U JP10420486 U JP 10420486U JP 10420486 U JP10420486 U JP 10420486U JP S6310013 U JPS6310013 U JP S6310013U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- drill
- depth
- proximal end
- tip
- 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
Description
第１図は本考案の一実施例であるドリルのウエ
ブ形状を示す断面図である。第２図〜第４図はそ
れぞれ第１図のドリルの先端に施されるシンニン
グの異なる態様を示す正面図である。第５図は第
１図のドリルの先端部Ａにおける横断面図である
。第６図は第１図のドリルの溝終端側部Ｂにおけ
る横断面図である。第７図は本考案の他の実施例
におけるウエブ形状を示す断面図である。第８図
〜第１０図はそれぞれ従来のドリルのウエブ形状
を示す断面図である。
１０，３０：ドリル、１２，３２：ねじれ溝（
溝）、１６，３６：ウエブ、２４：切屑、Ａ：先
端部、Ｂ：溝終端側部、Ｄ：ドリル直径。
FIG. 1 is a sectional view showing the web shape of a drill that is an embodiment of the present invention. 2 to 4 are front views showing different aspects of thinning applied to the tip of the drill shown in FIG. 1, respectively. FIG. 5 is a cross-sectional view of the tip A of the drill shown in FIG. FIG. 6 is a cross-sectional view of the drill of FIG. 1 at the groove end side B. FIG. 7 is a sectional view showing the shape of a web in another embodiment of the present invention. FIGS. 8 to 10 are cross-sectional views showing the web shape of a conventional drill. 10, 30: Drill, 12, 32: Twisted groove (
groove), 16, 36: web, 24: chips, A: tip, B: groove end side, D: drill diameter.
Claims (1)
して切屑を排出するドリルにおいて、 前記基端側の前記溝終端部における溝深さを、
前記先端部における溝深さよりも大きくしたこと
を特徴とするドリル。[Claims for Utility Model Registration] In a drill that discharges chips through a groove provided from the distal end toward the proximal end, the groove depth at the end of the groove on the proximal end is:
A drill characterized in that the depth of the groove is greater than the depth of the groove at the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10420486U JPS6310013U (en) | 1986-07-07 | 1986-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10420486U JPS6310013U (en) | 1986-07-07 | 1986-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6310013U true JPS6310013U (en) | 1988-01-22 |
Family
ID=30977482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10420486U Pending JPS6310013U (en) | 1986-07-07 | 1986-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009255211A (en) * | 2008-04-15 | 2009-11-05 | Toyota Motor Corp | Female screw machining tool and female screw machining method using it |
| JP2009262264A (en) * | 2008-04-24 | 2009-11-12 | Toyota Motor Corp | Tapping method |
| US7740426B2 (en) | 2002-10-02 | 2010-06-22 | Osg Corporation | Deep-hole drill having back-tapered web |
-
1986
- 1986-07-07 JP JP10420486U patent/JPS6310013U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7740426B2 (en) | 2002-10-02 | 2010-06-22 | Osg Corporation | Deep-hole drill having back-tapered web |
| JP2009255211A (en) * | 2008-04-15 | 2009-11-05 | Toyota Motor Corp | Female screw machining tool and female screw machining method using it |
| JP2009262264A (en) * | 2008-04-24 | 2009-11-12 | Toyota Motor Corp | Tapping method |
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