JPS61201734U - - Google Patents
Info
- Publication number
- JPS61201734U JPS61201734U JP8585185U JP8585185U JPS61201734U JP S61201734 U JPS61201734 U JP S61201734U JP 8585185 U JP8585185 U JP 8585185U JP 8585185 U JP8585185 U JP 8585185U JP S61201734 U JPS61201734 U JP S61201734U
- Authority
- JP
- Japan
- Prior art keywords
- female threads
- machining
- negative land
- machining female
- workpiece
- 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
- 238000003754 machining Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Milling Processes (AREA)
Description
第１図ａはこの考案の一実施例を示す正面図、
ｂは先端面図、ｃはネガランドの形状を示す拡大
部分図、第２図ａ，ｂ，ｃはこの考案の作用説明
図、第３図ａは従来のスパイラルタツプの正面図
、ｂは先端面図、第４図ａ，ｂ，ｃは従来のスパ
イラルタツプの作用説明図である。
図において、１は食付き部、２は完全ねじ部、
４は溝、６はネガランドである。尚、図中同一符
号は同一又は相当部分を示す。
Figure 1a is a front view showing an embodiment of this invention;
b is a front view of the tip, c is an enlarged partial view showing the shape of the negative land, Fig. 2 a, b, and c are explanatory diagrams of the function of this device, Fig. 3 a is a front view of the conventional spiral tap, and b is the tip. The top view and FIGS. 4A, 4B and 4C are explanatory diagrams of the operation of a conventional spiral tap. In the figure, 1 is the chamfered part, 2 is the fully threaded part,
4 is a groove and 6 is a negative land. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ねじを加工する場合使用するスパイラルタツプに
おいて、食付き部の刃先にネガランドを施したこ
とを特徴とするめねじ加工用スパイラルタツプ。 A spiral tap for machining female threads, which is used when machining female threads into a lower drilled hole already drilled in a workpiece, and is characterized by having a negative land applied to the cutting edge of the chamfered part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8585185U JPS61201734U (en) | 1985-06-06 | 1985-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8585185U JPS61201734U (en) | 1985-06-06 | 1985-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61201734U true JPS61201734U (en) | 1986-12-18 |
Family
ID=30636622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8585185U Pending JPS61201734U (en) | 1985-06-06 | 1985-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61201734U (en) |
-
1985
- 1985-06-06 JP JP8585185U patent/JPS61201734U/ja active Pending
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