CN103962610A - Small-caliber auger bit special for full-automatic drilling machine - Google Patents
Small-caliber auger bit special for full-automatic drilling machine Download PDFInfo
- Publication number
- CN103962610A CN103962610A CN201410218451.2A CN201410218451A CN103962610A CN 103962610 A CN103962610 A CN 103962610A CN 201410218451 A CN201410218451 A CN 201410218451A CN 103962610 A CN103962610 A CN 103962610A
- Authority
- CN
- China
- Prior art keywords
- full
- drilling machine
- automatic drilling
- small
- caliber
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
全自动钻床专用小口径麻花钻头，由标准麻花钻头磨削而成，包括切削刃顶角和横刃，其特征在于：所述切削刃顶角在150°到170°之间，所述横刃的长度在1毫米以下。使用时，切削转速最低为350转/分，使用的麻花钻头直径越小，切削转速越大。本发明结构简单，易于加工，能使全自动钻床钻出22毫米以下偏心差较小的孔。
Small-diameter twist drills for automatic drilling machines, which are ground from standard twist drills, including the top angle of the cutting edge and chisel edge, characterized in that: the cutting edge angle Between 150° and 170°, the length of the chisel edge is less than 1 mm. When in use, the cutting speed is at least 350 rpm, and the smaller the diameter of the twist drill used, the higher the cutting speed. The invention has a simple structure and is easy to process, and can enable a full-automatic drilling machine to drill holes with less eccentricity below 22 mm.
Description
Technical field
The invention belongs to drill attachment field, relate to a kind of full-automatic special small-bore spiral bit of drilling machine.
Background technology
Existing full-automatic drilling machine, generally all uses cutting edge drift angle
be the standard spiral bit of 120 ° of left and right, the hole centering error getting out with more than 22 millimeters standard spiral bit is very little, but during with 22 millimeters of following standard spiral bits boring, centering error is very large, occurs a large amount of waste products.
Summary of the invention
For the problem existing, the present invention is to provide the special small-bore spiral bit of a full-automatic drilling machine, can get out 22 millimeters of very little holes of following centering error.
The technical solution adopted for the present invention to solve the technical problems is: the special small-bore spiral bit of the full-automatic drilling machine of the present invention, formed by the grinding of standard spiral bit, and comprise cutting edge drift angle
and chisel edge, it is characterized in that: described cutting edge drift angle
between 150 ° to 170 °, the length of described chisel edge is below 1 millimeter.
When use, cutting rotational speeds is minimum is 350 revs/min, and the spiral bit diameter of use is less, and cutting rotational speeds is larger.
The present invention is simple in structure, is easy to processing, can make full-automatic drilling machine get out 22 millimeters of less holes of following centering error.
Brief description of the drawings
Fig. 1 is spiral bit structural front view of the present invention;
Fig. 2 is spiral bit structure upward view of the present invention.
In figure: 1-cutting edge drift angle
21-chisel edge
Detailed description of the invention
Below in conjunction with the detailed embodiments of the present invention of accompanying drawing:
As depicted in figs. 1 and 2, the special small-bore spiral bit of the full-automatic drilling machine of the present invention, is formed by the grinding of standard spiral bit, comprises cutting edge drift angle
1 and chisel edge 21, it is characterized in that: described cutting edge drift angle
1 between 150 ° to 170 °, and the length of described chisel edge 21 is below 1 millimeter.
When use, cutting rotational speeds is minimum is 350 revs/min, and the spiral bit diameter of use is less, and cutting rotational speeds is larger.
Claims (1)
1. the full-automatic special small-bore spiral bit of drilling machine, is formed by the grinding of standard spiral bit, comprises cutting edge drift angle
and chisel edge, it is characterized in that: described cutting edge drift angle
between 150 ° to 170 °, the length of described chisel edge is below 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218451.2A CN103962610A (en) | 2014-05-23 | 2014-05-23 | Small-caliber auger bit special for full-automatic drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218451.2A CN103962610A (en) | 2014-05-23 | 2014-05-23 | Small-caliber auger bit special for full-automatic drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103962610A true CN103962610A (en) | 2014-08-06 |
Family
ID=51232882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410218451.2A Pending CN103962610A (en) | 2014-05-23 | 2014-05-23 | Small-caliber auger bit special for full-automatic drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103962610A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090317202A1 (en) * | 2006-06-09 | 2009-12-24 | Jiangsu Tiangong Tools Co., Ltd. | Strong high performance twist drill |
| DE102009056484A1 (en) * | 2009-12-01 | 2011-06-09 | Kühling, A. Johannes | Twist drill, has main cutter with cutting parts arranged on drilling center point and on cross cutter and comprising straight center part arranged on drilling center point and curve part |
| CN203221232U (en) * | 2013-03-19 | 2013-10-02 | 大连远东工具有限公司 | Twist drill with helical cutting rear knife face |
| CN203437705U (en) * | 2013-06-17 | 2014-02-19 | 中国直升机设计研究所 | Drill used for machining stainless steel |
| CN103737073A (en) * | 2014-01-21 | 2014-04-23 | 华中科技大学 | Twist drill with grooved front tool faces and bent blades |
-
2014
- 2014-05-23 CN CN201410218451.2A patent/CN103962610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090317202A1 (en) * | 2006-06-09 | 2009-12-24 | Jiangsu Tiangong Tools Co., Ltd. | Strong high performance twist drill |
| DE102009056484A1 (en) * | 2009-12-01 | 2011-06-09 | Kühling, A. Johannes | Twist drill, has main cutter with cutting parts arranged on drilling center point and on cross cutter and comprising straight center part arranged on drilling center point and curve part |
| CN203221232U (en) * | 2013-03-19 | 2013-10-02 | 大连远东工具有限公司 | Twist drill with helical cutting rear knife face |
| CN203437705U (en) * | 2013-06-17 | 2014-02-19 | 中国直升机设计研究所 | Drill used for machining stainless steel |
| CN103737073A (en) * | 2014-01-21 | 2014-04-23 | 华中科技大学 | Twist drill with grooved front tool faces and bent blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140806 |