JPH0388623U - - Google Patents
Info
- Publication number
- JPH0388623U JPH0388623U JP14884089U JP14884089U JPH0388623U JP H0388623 U JPH0388623 U JP H0388623U JP 14884089 U JP14884089 U JP 14884089U JP 14884089 U JP14884089 U JP 14884089U JP H0388623 U JPH0388623 U JP H0388623U
- Authority
- JP
- Japan
- Prior art keywords
- discharge hole
- chip discharge
- whose axial
- groove
- blade
- 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
- 230000004323 axial length Effects 0.000 claims description 2
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
第１図は本考案に係るリーマの一実施例を示す
部分断面正面図、第２図は第１図のリーマを刃部
側から軸方向に見て示す図、第３図は従来技術に
よるリーマを示す正面図である。
１……切刃、２……溝部、３……刃部、４……
ネツク部、５……切り屑排出孔、６……連通孔、
Ｄ……リーマ径、ｌ……切刃の軸方向長さ、θ…
…切刃の軸方向すくい角。
Fig. 1 is a partially sectional front view showing an embodiment of the reamer according to the present invention, Fig. 2 is a view showing the reamer of Fig. 1 viewed from the blade side in the axial direction, and Fig. 3 is a reamer according to the prior art. FIG. 1...cutting edge, 2...groove, 3...blade, 4...
Neck part, 5...Chip discharge hole, 6...Communication hole,
D... Reamer diameter, l... Axial length of cutting edge, θ...
...Axial rake angle of cutting edge.
Claims (1)
軸方向長さがリーマ径Ｄの２倍以下である切刃１
と、 刃部３先端面に開放されて軸心部軸方向に形成
された切り屑排出孔５と、 上記各切刃１の間に形成される溝部２の終端部
に形成され、該溝部２と上記切り屑排出孔５との
間を連通して切り屑を該溝部２から切り屑排出孔
５へ案内する連通孔６とを備えたことを特徴とす
るリーマ。[Claims for Utility Model Registration] A cutting blade 1 whose axial rake angle θ is a positive value of 0° or more, and whose axial length is not more than twice the reamer diameter D.
, a chip discharge hole 5 which is open on the tip surface of the blade part 3 and formed in the axial direction of the shaft center part, and a chip discharge hole 5 which is formed at the terminal end of the groove part 2 formed between each of the cutting blades 1, and the groove part 2 and a communication hole 6 that communicates with the chip discharge hole 5 and guides chips from the groove portion 2 to the chip discharge hole 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14884089U JPH0388623U (en) | 1989-12-25 | 1989-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14884089U JPH0388623U (en) | 1989-12-25 | 1989-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0388623U true JPH0388623U (en) | 1991-09-10 |
Family
ID=31695272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14884089U Pending JPH0388623U (en) | 1989-12-25 | 1989-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0388623U (en) |
-
1989
- 1989-12-25 JP JP14884089U patent/JPH0388623U/ja active Pending
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