JPH03107112U - - Google Patents
Info
- Publication number
- JPH03107112U JPH03107112U JP1445390U JP1445390U JPH03107112U JP H03107112 U JPH03107112 U JP H03107112U JP 1445390 U JP1445390 U JP 1445390U JP 1445390 U JP1445390 U JP 1445390U JP H03107112 U JPH03107112 U JP H03107112U
- Authority
- JP
- Japan
- Prior art keywords
- center
- drill
- center drill
- hole
- base end
- 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
- 239000002131 composite material Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Description
第１図は本考案の一実施例に係るセンタドリル
装置を示す断面図、第２図は上記実施例の変形例
に係るセンタドリル装置を示す断面図、第３図お
よび第４図は従来例を示すものであつて、第３図
はリセンタリング加工を行うセンタドリル装置の
断面図、第４図はスポツテイング加工を行うセン
タドリル装置の断面図である。
１……センタドリル装置、２，１２……ドリル
ホルダ、３，１３……センタドリル、５，１５…
…ホルダ本体、７，１７……ロツク部材、８，１
８……センタドリルの先端刃部、９，１９……セ
ンタドリルの胴部、１０，２０……センタドリル
の基端部。
FIG. 1 is a sectional view showing a center drill device according to an embodiment of the present invention, FIG. 2 is a sectional view showing a center drill device according to a modification of the above embodiment, and FIGS. 3 and 4 are conventional examples. FIG. 3 is a sectional view of a center drill device that performs re-centering processing, and FIG. 4 is a sectional view of a center drill device that performs spotting processing. 1... Center drill device, 2, 12... Drill holder, 3, 13... Center drill, 5, 15...
...Holder body, 7, 17...Lock member, 8, 1
8... Tip blade part of the center drill, 9, 19... Body part of the center drill, 10, 20... Base end part of the center drill.
Claims (1)
付基準穴と対応する複合形状に形成され、かつド
リルホルダに把持される基端部が胴部径よりも細
く形成されたセンタドリルを備えていることを特
徴とするセンタドリル装置。 Equipped with a center drill whose tip blade is formed in a composite shape corresponding to the center hole and mounting reference hole of the workpiece to be machined, and whose base end, which is held by the drill holder, is formed to be thinner than the diameter of the body. A center drill device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1445390U JPH03107112U (en) | 1990-02-16 | 1990-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1445390U JPH03107112U (en) | 1990-02-16 | 1990-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107112U true JPH03107112U (en) | 1991-11-05 |
Family
ID=31517819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1445390U Pending JPH03107112U (en) | 1990-02-16 | 1990-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180081416A (en) * | 2017-01-06 | 2018-07-16 | 신효선 | Leg for furniture and fixing structure of the same |
-
1990
- 1990-02-16 JP JP1445390U patent/JPH03107112U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180081416A (en) * | 2017-01-06 | 2018-07-16 | 신효선 | Leg for furniture and fixing structure of the same |