JPS6045607U - stepped drill - Google Patents
stepped drillInfo
- Publication number
- JPS6045607U JPS6045607U JP13613483U JP13613483U JPS6045607U JP S6045607 U JPS6045607 U JP S6045607U JP 13613483 U JP13613483 U JP 13613483U JP 13613483 U JP13613483 U JP 13613483U JP S6045607 U JPS6045607 U JP S6045607U
- Authority
- JP
- Japan
- Prior art keywords
- diameter part
- stepped drill
- tip surface
- main cutting
- small diameter
- 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′は従来の段付ドリルの側面図、第２図は大径部
の主切刃をドリル軸と直交する先端面に形成した段付ド
リルを示すもので、ａは側面図、ｂは拡大正面図、Ｃは
切刃部分の側面図である。第３図ａは本考案に係る段付
ドリルの一実施例を示す側面図、同図すは切刃部分の拡
大側面図である。第４図及び第５図は本考案の段付ドリ
ルを研 削するドリル研削盤の中央縦断面図及び平面
図である。
１０２・・・・・・円錐先端面、１−０３・・・・・・
小径部の主切刃、１０４・・・・・・小径部のねじれ溝
、１０５・・・・・・大径部のねじれ溝、１０６・・・
・・・大径部、１０７・・・・・・小径部、１．０８・
・・・・・大径部の主切刃、１１０・・・・・・大径部
の先端面。Fig. 1' is a side view of a conventional stepped drill, and Fig. 2 shows a stepped drill in which the main cutting edge of the large diameter portion is formed on the tip surface perpendicular to the drill axis. C is an enlarged front view, and C is a side view of the cutting edge portion. FIG. 3a is a side view showing an embodiment of the stepped drill according to the present invention, and the same figure is an enlarged side view of the cutting edge portion. Figures 4 and 5 are a central vertical sectional view and a plan view of a drill grinding machine for grinding the stepped drill of the present invention. 102... Cone tip surface, 1-03...
Main cutting edge of small diameter part, 104... Twisted groove of small diameter part, 105... Twisted groove of large diameter part, 106...
...Large diameter part, 107...Small diameter part, 1.08.
...Main cutting edge of large diameter part, 110...Tip surface of large diameter part.
Claims (1)
径部と、前、記小径部のねじれ溝と連接しかつねじれ角
を異にする溝とドリル軸に直交する先端面とによって主
切刃を形成した大径部とから成ることを特徴とする段付
ドリル。The main cutting is performed by a small diameter part in which a main cutting edge is formed by a conical tip surface and a helical groove, and a tip surface perpendicular to the drill axis and a groove that is connected to the helical groove of the small diameter part and has a different helix angle. A stepped drill characterized by comprising a large-diameter portion forming a blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13613483U JPS6045607U (en) | 1983-09-03 | 1983-09-03 | stepped drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13613483U JPS6045607U (en) | 1983-09-03 | 1983-09-03 | stepped drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6045607U true JPS6045607U (en) | 1985-03-30 |
Family
ID=30306184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13613483U Pending JPS6045607U (en) | 1983-09-03 | 1983-09-03 | stepped drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045607U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009184043A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| JP2009184044A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| JP2010131736A (en) * | 2008-12-08 | 2010-06-17 | Kyowa Seiko Kk | Boring drill and method of machining boring drill |
| JPWO2020031259A1 (en) * | 2018-08-07 | 2020-08-20 | 住友電工ハードメタル株式会社 | Drill |
| JP6829360B1 (en) * | 2019-12-26 | 2021-02-10 | 合同会社Ｗｓｐｔジャパン | Cutting / polishing bar |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124628U (en) * | 1974-08-10 | 1976-02-23 |
-
1983
- 1983-09-03 JP JP13613483U patent/JPS6045607U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124628U (en) * | 1974-08-10 | 1976-02-23 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009184043A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| JP2009184044A (en) * | 2008-02-05 | 2009-08-20 | Tungaloy Corp | Stepped twist drill and method of manufacturing the same |
| JP2010131736A (en) * | 2008-12-08 | 2010-06-17 | Kyowa Seiko Kk | Boring drill and method of machining boring drill |
| JPWO2020031259A1 (en) * | 2018-08-07 | 2020-08-20 | 住友電工ハードメタル株式会社 | Drill |
| JP6829360B1 (en) * | 2019-12-26 | 2021-02-10 | 合同会社Ｗｓｐｔジャパン | Cutting / polishing bar |
| JP2021104267A (en) * | 2019-12-26 | 2021-07-26 | 合同会社Ｗｓｐｔジャパン | Bar for cutting and polishing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6045607U (en) | stepped drill | |
| JPS59171010U (en) | carbide drill | |
| JPS60109712U (en) | end mill | |
| JPS6015U (en) | Drill | |
| JPS59188115U (en) | Carbide tip type two-stage taper milling | |
| JPS59171336U (en) | resist dripping nozzle | |
| JPS59161974U (en) | fishing hook remover | |
| JPS6056423U (en) | Round blade tool for cutting lead wire | |
| JPS59135910U (en) | cutting bit | |
| JPS6039429U (en) | drill tap | |
| JPS60189306U (en) | Brush for preventing clogging of wedge wire screen | |
| JPS59143613U (en) | Drill | |
| JPS595232U (en) | Reamer | |
| JPS5956291U (en) | Structure of diamond bit cutting edge | |
| JPS6091302U (en) | Throw-away tip for cutting | |
| JPS6073964U (en) | grommet | |
| JPS59148211U (en) | Cutting tools | |
| JPS60172626U (en) | Reamer | |
| JPS59151614U (en) | Drill | |
| JPS60175502U (en) | Chamfering tool | |
| JPS5943707U (en) | screw | |
| JPS5836017U (en) | drilling tool | |
| JPS5863911U (en) | Carbide drilling tool | |
| JPS608704U (en) | cutting bit | |
| JPS58110316U (en) | Reverse taper reamer |