JPH0368715U - - Google Patents
Info
- Publication number
- JPH0368715U JPH0368715U JP12970189U JP12970189U JPH0368715U JP H0368715 U JPH0368715 U JP H0368715U JP 12970189 U JP12970189 U JP 12970189U JP 12970189 U JP12970189 U JP 12970189U JP H0368715 U JPH0368715 U JP H0368715U
- Authority
- JP
- Japan
- Prior art keywords
- shank
- cutting edges
- cutting
- wave
- tips
- 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
- 238000005553 drilling Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
第１図および第２図は本考案によるウエーブ形
穴あけカツタの一実施例を示す縦断面図および側
面図、第３図は第１図の−線に沿う断面図、
第４図は本考案に係るウエーブ形穴あけカツタの
波形構成図である。
１……シヤンク、４……給油リング、８……バ
イトホルダ、１２ａ，１２ｂ……第１および第２
バイトチツプ、１４ａ，１４ｂ……第２バイトチ
ツプ。
1 and 2 are longitudinal sectional views and side views showing an embodiment of the wave-shaped hole cutter according to the present invention, and FIG. 3 is a sectional view taken along the line - in FIG.
FIG. 4 is a waveform configuration diagram of the wave-shaped punching cutter according to the present invention. 1...Shank, 4...Oil supply ring, 8...Bite holder, 12a, 12b...First and second
Bite chip, 14a, 14b...Second bite chip.
Claims (1)
方向に等分され、それぞれ半径方向に延在する第
１および第２チツプ支持部ならびに第３および第
４チツプ支持部を有するバイトホルダと、このバ
イトホルダの第１および第２チツプ支持に設けら
れ、前記シヤンクの中心で互いにすくい面が重な
り、それらの間で一定の切刃角を形成する第１お
よび第２バイトチツプと、前記第３および第４チ
ツプ支持部に前記シヤンクの中心から互いの距離
を置いて配置され、前記第１および第２バイトチ
ツプと同一と切刃角を有する第３および第４バイ
トチツプとを具備し、前記第１および第２バイト
チツプは重なり合う領域の切刃を平坦に、かつそ
れよりも外の領域の切刃を波形に各々構成し、前
記第３および第４バイトチツプは切刃全体を前記
第１および第２バイトチツプと同じピツチで波形
にそれぞれ形成し、かつ前記波形の切刃を互いに
４分の１ピツチずつずらして配置したことを特徴
とするウエーブ形穴あけカツタ。 a shank, a cutting tool holder having first and second tip supporting portions and third and fourth tip supporting portions that are equally divided in the circumferential direction and extending in the radial direction at one end of the shank; first and second bit tips provided on the first and second tip supports of the holder, whose rake surfaces overlap each other at the center of the shank and form a constant cutting edge angle therebetween; and the third and fourth bit tips. third and fourth bit tips disposed at a distance from each other from the center of the shank on the tip support part and having the same cutting edge angle as the first and second bit tips; The cutting edges of the overlapping areas of the cutting tips are flat, and the cutting edges of the outer areas are wave-shaped, and the third and fourth cutting edges have the same pitch as the first and second cutting edges. 1. A wave-shaped drilling cutter, characterized in that the cutters are each formed into a wave shape, and the cutting edges of the wave shapes are arranged so as to be shifted from each other by a quarter pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12970189U JPH0368715U (en) | 1989-11-08 | 1989-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12970189U JPH0368715U (en) | 1989-11-08 | 1989-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368715U true JPH0368715U (en) | 1991-07-08 |
Family
ID=31677313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12970189U Pending JPH0368715U (en) | 1989-11-08 | 1989-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008277080A (en) * | 2007-04-27 | 2008-11-13 | Mitsubishi Electric Corp | Lighting fixtures, emergency lighting fixtures and common emergency lighting fixtures |
-
1989
- 1989-11-08 JP JP12970189U patent/JPH0368715U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008277080A (en) * | 2007-04-27 | 2008-11-13 | Mitsubishi Electric Corp | Lighting fixtures, emergency lighting fixtures and common emergency lighting fixtures |
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