JPH01138517U - - Google Patents
Info
- Publication number
- JPH01138517U JPH01138517U JP3204688U JP3204688U JPH01138517U JP H01138517 U JPH01138517 U JP H01138517U JP 3204688 U JP3204688 U JP 3204688U JP 3204688 U JP3204688 U JP 3204688U JP H01138517 U JPH01138517 U JP H01138517U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- wall surface
- rotational direction
- outer periphery
- tool body
- 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.)
- Granted
Links
- 238000003801 milling Methods 0.000 claims description 8
Landscapes
- Milling Processes (AREA)
Description
第１図および第２図は第一の考案の転削工具の
一実施例を示すもので、第１図は正面図、第２図
は側面図、第３図および第４図は第二の考案の一
実施例を示すもので、第３図は正面図、第４図は
側面図、第５図〜第７図は従来の転削工具を示す
もので、第５図は正面図、第６図は側面図、第７
図はその切削状態を示す一部を断面視した側面図
である。
１……工具本体、２……凹部、３……チツプポ
ケツト、４……回転方向に面する壁面、８……主
切刃（内周刃、外周刃）、９……副切刃（底刃）
、１２……取付ボルト、２０……壁面、２１……
先端部分、２２……面取り部、２３……面取り部
の端部、３０……段部、Ｗ１……コア。
Figures 1 and 2 show an embodiment of the milling tool of the first invention. Figure 1 is a front view, Figure 2 is a side view, and Figures 3 and 4 are the milling tools of the second invention. 3 shows a front view, FIG. 4 shows a side view, and FIGS. 5 to 7 show a conventional milling tool, and FIG. 5 shows a front view and FIG. Figure 6 is a side view, Figure 7
The figure is a partially sectional side view showing the cutting state. 1... Tool body, 2... Concavity, 3... Chip pocket, 4... Wall surface facing the direction of rotation, 8... Main cutting edge (inner circumferential edge, outer circumferential edge), 9... Sub-cutting edge (bottom edge) )
, 12...Mounting bolt, 20...Wall surface, 21...
Tip portion, 22... Chamfered portion, 23... End of chamfered portion, 30... Step portion, W 1 ... Core.
Claims (1)
が形成され、上記工具本体の先端部外周にその外
周側と先端側とに開口する凹状のチツプポケツト
が形成されるとともに、上記チツプポケツトの回
転方向に面する壁面の先端側および外周側並びに
内周側の上記凹部内に、それぞれ切刃が配設され
てなる転削工具において、 上記工具本体の、上記チツプポケツトの回転方
向に面する上記壁面と対向する壁面から回転方向
側に位置する先端部分に、上記壁面から回転方向
に向けて漸次基端側から先端側に傾斜する面取り
部を形成したことを特徴とする転削工具。 (2) 上記面取り部の回転方向前方側の端部は、
隣接する上記底刃より回転方向後方側に位置して
いることを特徴とする実用新案登録請求の範囲第
１項記載の転削工具。 (3) 工具本体の先端中央部にコア収納用の凹部
が形成され、上記工具本体の先端部外周にその外
周側と先端側とに開口する凹状のチツプポケツト
が形成されるとともに、上記チツプポケツトの回
転方向に面する壁面の先端側および外周側並びに
内周側の上記凹部内に、それぞれ切刃が配設され
てなる転削工具において、 上記工具本体の、上記チツプポケツトの回転方
向に面する上記壁面と対向する壁面から回転方向
側に位置する先端部分に、上記壁面から回転方向
に向けて順次基端側から先端側に位置する一以上
の段部を形成したことを特徴とする転削工具。[Claims for Utility Model Registration] (1) A recess for storing the core is formed in the center of the tip of the tool body, and a concave tip pocket is formed on the outer periphery of the tip of the tool body, opening on the outer periphery side and the tip side. and a cutting edge is provided in the recesses on the tip side, outer circumference side, and inner circumference side of the wall surface facing the rotational direction of the tip pocket, respectively. A chamfered portion that is gradually inclined from the proximal side to the distal end side in the rotational direction from the wall surface is formed at the distal end portion located on the rotational direction side from the wall surface facing the rotational direction. Milling tools. (2) The front end of the chamfered part in the rotational direction is
The milling tool according to claim 1, wherein the milling tool is located on the rear side in the rotational direction of the adjacent bottom cutter. (3) A recess for storing the core is formed in the center of the tip of the tool body, and a concave tip pocket opening on the outer periphery and the tip side is formed on the outer periphery of the tip of the tool body, and the tip pocket is rotated. In the milling tool, cutting blades are arranged in the recesses on the tip side, the outer periphery side, and the inner periphery side of the wall surface facing the direction, and the wall surface of the tool body faces the rotation direction of the tip pocket. A milling tool characterized in that one or more stepped portions are formed at a distal end portion located on the rotational direction side from a wall surface facing the wall surface, sequentially from the proximal end side to the distal end side in the rotational direction from the wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3204688U JPH0735702Y2 (en) | 1988-03-10 | 1988-03-10 | Rolling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3204688U JPH0735702Y2 (en) | 1988-03-10 | 1988-03-10 | Rolling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138517U true JPH01138517U (en) | 1989-09-21 |
| JPH0735702Y2 JPH0735702Y2 (en) | 1995-08-16 |
Family
ID=31258346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3204688U Expired - Lifetime JPH0735702Y2 (en) | 1988-03-10 | 1988-03-10 | Rolling tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735702Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012147836A1 (en) * | 2011-04-26 | 2012-11-01 | 株式会社タンガロイ | Cutting insert and tip-replacement-type rotary cutting tool |
-
1988
- 1988-03-10 JP JP3204688U patent/JPH0735702Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012147836A1 (en) * | 2011-04-26 | 2012-11-01 | 株式会社タンガロイ | Cutting insert and tip-replacement-type rotary cutting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735702Y2 (en) | 1995-08-16 |