JPS63103918U - - Google Patents
Info
- Publication number
- JPS63103918U JPS63103918U JP20213586U JP20213586U JPS63103918U JP S63103918 U JPS63103918 U JP S63103918U JP 20213586 U JP20213586 U JP 20213586U JP 20213586 U JP20213586 U JP 20213586U JP S63103918 U JPS63103918 U JP S63103918U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- male
- threaded portion
- helical groove
- angle
- 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
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims 1
- 229910001315 Tool steel Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例であるねじれ溝タツ
プの正面図である。第２図は第１図における−
断面図である。第３図は第２図のねじ山の拡大
図である。第４図は第３図のねじ山の横断面を拡
大して示す図である。第５図は第１図のタツプに
おけるねじれ溝のねじれ角を説明する図である。
第６図は在来のスパイラルポイントタツプの一例
を示す正面図である。第７図は第６図のタツプの
先端側からの視図である。
３０：ねじれ溝タツプ、３２：雄ねじ部、３６
：雄ねじ、４２：ねじれ溝、４４：切刃、φ：逃
げ角、θ：ねじれ角。
FIG. 1 is a front view of a twisted groove tap which is an embodiment of the present invention. Figure 2 shows − in Figure 1.
FIG. FIG. 3 is an enlarged view of the thread in FIG. 2. FIG. 4 is an enlarged cross-sectional view of the thread of FIG. 3. FIG. 5 is a diagram illustrating the helix angle of the helical groove in the tap of FIG. 1.
FIG. 6 is a front view showing an example of a conventional spiral point tap. FIG. 7 is a view of the tap shown in FIG. 6 from the tip side. 30: Twisted groove tap, 32: Male thread part, 36
: Male thread, 42: Helix groove, 44: Cutting edge, φ: Relief angle, θ: Helix angle.
Claims (1)
た高速度工具鋼製の雄ねじ部を有し、該雄ねじ部
の全長に亘つて前記雄ねじのねじれ方向と逆向き
のねじれ溝が設けられることにより切刃が形成さ
れているねじれ溝タツプであつて、 前記ねじれ溝のねじれ角は１５度〜２５度の範
囲内であり、前記雄ねじのねじ山の逃げ角は少な
くとも該ねじ山のフランクにおいて３０分〜１度
３０分の範囲内であり、且つ、前記雄ねじ部には
チタン窒化物のコーテイング処理が施されている
ことを特徴とするねじれ溝タツプ。[Claims for Utility Model Registration] A male threaded portion made of high-speed tool steel is provided with a male thread corresponding to the female thread to be formed, and the male threaded portion is twisted in the opposite direction to the twisting direction of the male thread over the entire length thereof. A helical groove tap in which a cutting edge is formed by providing a groove, wherein the helix angle of the helical groove is within a range of 15 degrees to 25 degrees, and the clearance angle of the thread of the male thread is at least as large as the screw thread. 1. A helical groove tap, characterized in that the angle on the flank of the mountain is within the range of 30 minutes to 1 degree 30 minutes, and the external threaded portion is coated with titanium nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20213586U JPS63103918U (en) | 1986-12-24 | 1986-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20213586U JPS63103918U (en) | 1986-12-24 | 1986-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63103918U true JPS63103918U (en) | 1988-07-06 |
Family
ID=31166233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20213586U Pending JPS63103918U (en) | 1986-12-24 | 1986-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63103918U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4841263U (en) * | 1971-09-14 | 1973-05-25 | ||
| JPS61244412A (en) * | 1985-04-19 | 1986-10-30 | テイア−ルダブリユ− インコ−ポレ−テツド | Tap for cutting thread into work |
-
1986
- 1986-12-24 JP JP20213586U patent/JPS63103918U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4841263U (en) * | 1971-09-14 | 1973-05-25 | ||
| JPS61244412A (en) * | 1985-04-19 | 1986-10-30 | テイア−ルダブリユ− インコ−ポレ−テツド | Tap for cutting thread into work |
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