JPH0223925U - - Google Patents
Info
- Publication number
- JPH0223925U JPH0223925U JP9954988U JP9954988U JPH0223925U JP H0223925 U JPH0223925 U JP H0223925U JP 9954988 U JP9954988 U JP 9954988U JP 9954988 U JP9954988 U JP 9954988U JP H0223925 U JPH0223925 U JP H0223925U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- axis
- margin
- ultra
- rear 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
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
第１図ないし第３図は本考案の一実施例を示す
図であつて、第１図はリーマを示す側面図、第２
図は第１図の方向矢視図、第３図は第１図の
方向矢視図、第４図ないし第６図は従来のリーマ
の一例を示すもので、第４図はその側面図、第５
図は第４図のＶ方向矢視図、第６図は第４図の
方向矢視図である。
１……工具本体、２……切屑排出溝、３……刃
部、４……切刃、５……マージン、１０……工具
本体、１１……切屑排出溝、１２……刃部、１３
……切刃、１４……マージン。
Figures 1 to 3 are views showing one embodiment of the present invention, in which Figure 1 is a side view showing the reamer, and Figure 2 is a side view showing the reamer.
The figure is a view in the direction of the arrow in FIG. 1, FIG. 3 is a view in the direction of the arrow in FIG. 1, and FIGS. 4 to 6 show an example of a conventional reamer. Fifth
The figure is a view taken in the direction of arrow V in FIG. 4, and FIG. 6 is a view taken in the direction of arrow V in FIG. DESCRIPTION OF SYMBOLS 1... Tool body, 2... Chip discharge groove, 3... Blade part, 4... Cutting edge, 5... Margin, 10... Tool body, 11... Chip discharge groove, 12... Blade part, 13
...cutting edge, 14...margin.
Claims (1)
高硬度焼結体からなる刃部が固定され、この刃部
の先端角部に、外周側へ向け軸線に対して後端側
へ傾斜した切刃が形成され、この切刃の後端縁部
から後端側へ向かう刃部の外周にマージンが形成
されてなり、上記切刃は、軸線と直交する平面に
対して５〜３０°傾斜して設けられ、上記マージ
ンの幅が０．０５〜０．４mmとされたリーマにお
いて、上記マージンの軸線方向における長さを０
．５〜２mmに設定したことを特徴とするリーマ。 A blade made of an ultra-high hardness sintered body is fixed to the tip of the tool body that rotates around the axis, and a blade made of ultra-high hardness sintered material is attached to the tip corner of the blade, which is tilted toward the outer circumference and toward the rear end with respect to the axis. A cutting edge is formed, and a margin is formed on the outer periphery of the cutting edge from the rear edge of the cutting edge toward the rear end, and the cutting edge is inclined at 5 to 30 degrees with respect to a plane perpendicular to the axis. In a reamer provided with a margin width of 0.05 to 0.4 mm, the length of the margin in the axial direction is 0.
．． A reamer characterized by being set at 5 to 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9954988U JPH0223925U (en) | 1988-07-27 | 1988-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9954988U JPH0223925U (en) | 1988-07-27 | 1988-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223925U true JPH0223925U (en) | 1990-02-16 |
Family
ID=31326810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9954988U Pending JPH0223925U (en) | 1988-07-27 | 1988-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223925U (en) |
-
1988
- 1988-07-27 JP JP9954988U patent/JPH0223925U/ja active Pending
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