JPS5986909U - hole saw - Google Patents
hole sawInfo
- Publication number
- JPS5986909U JPS5986909U JP18392582U JP18392582U JPS5986909U JP S5986909 U JPS5986909 U JP S5986909U JP 18392582 U JP18392582 U JP 18392582U JP 18392582 U JP18392582 U JP 18392582U JP S5986909 U JPS5986909 U JP S5986909U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- hole saw
- workpiece
- outer periphery
- axis
- 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
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図乃至第4図は本考案の一実施例を示し、第1図は
全体正面図、第2図は同底面図、第3図は要部縦側断面
図、第4図は第3図のA−A線矢視麟面図、第5図乃至
第7図の各図は心出し部の他側を示す底面図である。
1・・・ホールソー、2・・・本体、3・・・シャンク
、4 “・・・心出し体、5・・・被加工物、
6・・・穴、7・・・刃部、8.21・・・切れ刃、9
,20・・・テーパー面、17・・・心出し部、22・
・・切れ屑。1 to 4 show one embodiment of the present invention, in which FIG. 1 is an overall front view, FIG. 2 is a bottom view, FIG. 3 is a vertical sectional view of main parts, and FIG. The vertical view taken along the line A--A in the figure, and each of the figures in FIGS. 5 to 7 are bottom views showing the other side of the centering portion. DESCRIPTION OF SYMBOLS 1... Hole saw, 2... Main body, 3... Shank, 4 "... Centering body, 5... Workpiece,
6... Hole, 7... Blade section, 8.21... Cutting edge, 9
, 20... Tapered surface, 17... Centering portion, 22...
...Swarf.
Claims (1)
物内に侵入して被加工物に本体軸心と同心の穴を切削す
る刃部を周方向等間隔に複数備え、“ 本体中心部
に、刃部よりも下方に突出し本体の回転により外周の切
れ刃で切削しつつ被加工物内に侵入ザる心出し部とを備
えたホールソーにおいて、刃部内周面を、下方に向うに
従って本体径方向外方側に位置するテーパー面とし、心
出し部外周1面を、下方に向うに従って本体軸心に接近
するテーパー面としたことを特徴とするホールソー。・The outer periphery of the main body is equipped with multiple blades at equal intervals in the circumferential direction that protrude downward and penetrate into the workpiece as the main body rotates to cut holes in the workpiece that are concentric with the axis of the main body. In a hole saw that has a centering part that protrudes downward from the blade part and penetrates into the workpiece while cutting with the cutting edge on the outer periphery as the main body rotates, the inner circumferential surface of the blade part is A hole saw characterized in that the tapered surface is located on the outer side in the radial direction, and one surface of the outer periphery of the centering portion is a tapered surface that approaches the axis of the main body as it goes downward.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18392582U JPS5986909U (en) | 1982-12-03 | 1982-12-03 | hole saw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18392582U JPS5986909U (en) | 1982-12-03 | 1982-12-03 | hole saw |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5986909U true JPS5986909U (en) | 1984-06-12 |
Family
ID=30397939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18392582U Pending JPS5986909U (en) | 1982-12-03 | 1982-12-03 | hole saw |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5986909U (en) |
-
1982
- 1982-12-03 JP JP18392582U patent/JPS5986909U/en active Pending
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