JPH0473462U - - Google Patents
Info
- Publication number
- JPH0473462U JPH0473462U JP11469690U JP11469690U JPH0473462U JP H0473462 U JPH0473462 U JP H0473462U JP 11469690 U JP11469690 U JP 11469690U JP 11469690 U JP11469690 U JP 11469690U JP H0473462 U JPH0473462 U JP H0473462U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- fixed
- core bit
- cutting surface
- circumferential length
- 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
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Description
第１図ａ，ｂはいずれも本考案の一実施例に係
るダイヤモンドチツプコアビツトを示すもので、
第１図ａはその平面図、第１図ｂはその側面図、
第２図は実施例に係るチツプの切削面と固着面の
関係を説明するための説明図、第３図はチツプ端
面の傾斜角度を説明するための説明図、第４図は
本考案の他の実施例を示す第３図相当図、第５図
は本考案実施例に係るチツプの摩耗特性を従来と
の比較で示す摩耗特性図、第６図ａ，ｂはいずれ
も従来のダイヤモンドチツプコアビツトを示す第
１図ａ，ｂ相当図、第７図ａ〜ｄはそれぞれチツ
プのセグメント形状例を示す平面図である。
図において、１は円筒、２はダイヤモンドチツ
プ、２ｃは切削面、２ｄは固着面、２ｅ，２ｆ，
２ｇは傾斜面、Ｈはチツプの高さ、Ｔはチツプの
巾、Ｌ１は切削面の周方向長さ、Ｌ２は固着面の
周方向長さである。
Figures 1a and 1b both show a diamond chip core bit according to an embodiment of the present invention.
Figure 1a is its plan view, Figure 1b is its side view,
FIG. 2 is an explanatory diagram for explaining the relationship between the cutting surface and the fixed surface of the chip according to the embodiment, FIG. 3 is an explanatory diagram for explaining the inclination angle of the tip end face, and FIG. 4 is an explanatory diagram for explaining the inclination angle of the tip end surface. Fig. 3 is a corresponding diagram showing an embodiment of the present invention, Fig. 5 is a wear characteristic diagram showing the wear characteristics of the chip according to the embodiment of the present invention in comparison with a conventional one, and Figs. Figures 1a and 1b corresponding to the bit and Figures 7a to 7d are plan views showing examples of the segment shapes of the chip, respectively. In the figure, 1 is a cylinder, 2 is a diamond chip, 2c is a cutting surface, 2d is a fixed surface, 2e, 2f,
2g is the inclined surface, H is the height of the chip, T is the width of the chip, L1 is the circumferential length of the cut surface, and L2 is the circumferential length of the fixed surface.
Claims (1)
数適宜間隔をもつて固着したコアビツトにおいて
、上記チツプの高さ及び半径方向巾が被切削物と
の摩擦により摩耗しても該チツプの先端切削面の
面積が常に一定となるように、該チツプの円筒と
の固着面の周方向長さを、該チツプの半径方向巾
が摩耗する分だけその切削面の周方向長さよりも
長く設定するとともに、該チツプの円筒回転方向
の先端もしくは両端に、その切削面から固着面に
かけて末広がり状に傾斜する傾斜面を設けたこと
を特徴とするダイヤモンドチツプコアビツト。 In a core bit in which a plurality of arc-shaped diamond chips are fixed at appropriate intervals to the tip of a cylinder, even if the height and radial width of the tips are worn out due to friction with the workpiece, the area of the cutting surface at the tip of the tip remains the same. In order to keep constant, the circumferential length of the surface of the tip that is fixed to the cylinder is set to be longer than the circumferential length of the cutting surface by the amount by which the radial width of the tip is worn, and A diamond chip core bit characterized in that a slanted surface is provided at the tip or both ends in the cylindrical rotation direction of the cylindrical core bit, the sloping surface extending from the cutting surface to the fixed surface in a shape that widens toward the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990114696U JPH0715730Y2 (en) | 1990-11-02 | 1990-11-02 | Diamond tip core bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990114696U JPH0715730Y2 (en) | 1990-11-02 | 1990-11-02 | Diamond tip core bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0473462U true JPH0473462U (en) | 1992-06-26 |
| JPH0715730Y2 JPH0715730Y2 (en) | 1995-04-12 |
Family
ID=31862405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990114696U Expired - Lifetime JPH0715730Y2 (en) | 1990-11-02 | 1990-11-02 | Diamond tip core bit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715730Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0558221U (en) * | 1992-01-13 | 1993-08-03 | 株式会社コンセック | Core drill |
| JP2012210685A (en) * | 2011-03-31 | 2012-11-01 | Sumco Corp | Grinding wheel, and double-head grinding method |
-
1990
- 1990-11-02 JP JP1990114696U patent/JPH0715730Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0558221U (en) * | 1992-01-13 | 1993-08-03 | 株式会社コンセック | Core drill |
| JP2012210685A (en) * | 2011-03-31 | 2012-11-01 | Sumco Corp | Grinding wheel, and double-head grinding method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715730Y2 (en) | 1995-04-12 |
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