CN202336613U - Integral hard alloy drill for processing carbon fiber compound materials - Google Patents
Integral hard alloy drill for processing carbon fiber compound materials Download PDFInfo
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- CN202336613U CN202336613U CN2011204559365U CN201120455936U CN202336613U CN 202336613 U CN202336613 U CN 202336613U CN 2011204559365 U CN2011204559365 U CN 2011204559365U CN 201120455936 U CN201120455936 U CN 201120455936U CN 202336613 U CN202336613 U CN 202336613U
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- drill
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- drill bit
- processing carbon
- carbon fibre
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Abstract
An integral hard alloy drill for processing carbon fiber compound materials mainly comprises a cutting edge portion (1) and a handle portion (2) of the drill, wherein the cutting edge portion (1) is connected with one end of the handle portion (2), a screw angle (3) of the cutting edge portion (1) of the drill is 30 to 35 degrees, a drill point angle (4) of the cutting edge portion (1) of the drill is 135 to 140 degrees, and core boring thickness of the drill is 0.1 to 0.2mm. The drill is simple in structure and reasonable in structural parameters. Compared with a traditional drill, the drill is good in cutting machining quality, high in efficiency and long in service life. Each drill can at least machine 120-150 hole/branch, machined surface roughness reaches to Ra 1.6 (delta 6), and the drill is simple in production process, low in manufacture cost and significant in economic and social values.
Description
Technical field
The utility model relates to the design of carbon fibre composite spare machining tool, and a kind of processing carbon fibre composite solid carbide drill is provided especially.
Background technology
Though carbon fibre composite has plurality of advantages such as ratio of strength to weight height and is used in more and more widely in the Aero-Space manufacturing industry; But; Carbon fibre composite but belongs to unmanageable aeronautical material, the especially boring of carbon fibre composite processing, and existing processing carbon fibre composite solid carbide drill main structure parameters cutting edge helical angle (3) and primary relief are less; Helical angle (3) numerical value is 20 °～25 °; Drill point angle (4) numerical value is 118 °～120 °, and it is bigger to bore core thickness, makes cutting edge not sharp.Cutting resistance is big; Cause the layering and the splitting of the exit face of institute's machining hole; But also the wearing and tearing of cutter have been aggravated; Cause the cutting ability of existing processing carbon fibre composite solid carbide drill poor, in the life-span short (be generally 10～20 holes /), be difficult to satisfy the requirement of processing carbon fibre composite boring in the production process.
Summary of the invention
The utility model provides a kind of processing carbon fibre composite solid carbide drill especially, and this drill bit structure hommization is easy to use; Overcome the defective of conventional drill, the cut quality is good, efficient is high, and the life-span is long; Each drill bit can process at least 120～150 holes/, the surface to be machined roughness can reach Ra1.6 (▽ 6), and production technology is simple; Cost of manufacture is low, has great economic worth and social value.
The said processing carbon fibre composite of the utility model solid carbide drill; The blade (1), the shank (2) that mainly comprise drill bit; Blade (1) is connected with shank (2) one ends, and wherein, the helical angle (3) of said drill bit blade (1) is 30 °～35 °; The drill point angle (4) of drill bit blade (1) is 135 °～140 °, and drill bit unbearabling thickness (5) is 0.1～0.2mm; Above-mentioned characteristic makes cutting edge become sharp, reduces cutting resistance; Reduce bit wear; Thereby improved crudy and efficient, prolong the service life of drill bit, and then reduced production cost; Average each drill bit is minimum can process 120～150 holes/, the surface to be machined roughness can reach Ra1.6 (▽ 6).
The said processing carbon fibre composite of the utility model solid carbide drill; Use orthogonal experiment and carried out the cutting test of system; Obtain result of the present invention behind the analysis optimization through experimental data; The helical angle (3) of drill bit blade (1) is 30 °～35 °, and the drill point angle (4) of drill bit blade (1) is 135 °～140 °, and drill bit unbearabling thickness (5) is 0.1～0.2mm.
The said processing carbon fibre composite of the utility model solid carbide drill, wherein, said blade (1) is Φ 14mm with the diameter of shank (2).
The said processing carbon fibre composite of the utility model solid carbide drill, wherein, said drill bit length overall is 66mm.
The said processing carbon fibre composite of the utility model solid carbide drill, wherein, said cutting blade (1) is long to be 25mm.
Description of drawings
Fig. 1 is processing carbon fibre composite solid carbide drill front view;
Fig. 2 is the partial sectional view of blade (1);
Fig. 3 be among Fig. 1 A to partial sectional view.
In the accompanying drawing 3, the 6th, the relief angle of apex point main cutting edge.
The specific embodiment
The said processing carbon fibre composite of present embodiment solid carbide drill; Like Fig. 1, shown in 2, mainly comprise blade (1), the shank (2) of drill bit, blade (1) is connected with shank (2) one ends; Wherein, The helical angle (3) of said drill bit blade (1) is 30 °, and the drill point angle (4) of drill bit blade (1) is 135 °, and drill bit unbearabling thickness (5) is 0.1; Above-mentioned characteristic makes cutting edge become sharp, reduces cutting resistance; Reduce bit wear; Thereby improved crudy and efficient, prolong the service life of drill bit, and then reduced production cost; Average each drill bit is minimum can process 120～150 holes/, the surface to be machined roughness can reach Ra1.6 (▽ 6).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said blade (1) is Φ 14mm with the diameter of shank (2).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said drill bit length overall is 66mm.
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said cutting blade (1) is long to be 25mm.
The said processing carbon fibre composite of present embodiment solid carbide drill; Like Fig. 1, shown in 2, mainly comprise blade (1), the shank (2) of drill bit, blade (1) is connected with shank (2) one ends; Wherein, The helical angle (3) of said drill bit blade (1) is 35 °, and the drill point angle (4) of drill bit blade (1) is 140 °, and drill bit unbearabling thickness (5) is 0.2mm; Above-mentioned characteristic makes cutting edge become sharp, reduces cutting resistance; Reduce bit wear; Thereby improved crudy and efficient, prolong the service life of drill bit, and then reduced production cost; Average each drill bit is minimum can process 120～150 holes/, the surface to be machined roughness can reach Ra1.6 (▽ 6).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said blade (1) is Φ 14mm with the diameter of shank (2).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said drill bit length overall is 66mm.
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said cutting blade (1) is long to be 25mm.
The said processing carbon fibre composite of present embodiment solid carbide drill; Like Fig. 1, shown in 2, mainly comprise blade (1), the shank (2) of drill bit, blade (1) is connected with shank (2) one ends; Wherein, The helical angle (3) of said drill bit blade (1) is 32 °, and the drill point angle (4) of drill bit blade (1) is 138 °, and drill bit unbearabling thickness (5) is 0.15mm; Above-mentioned characteristic makes cutting edge become sharp, reduces cutting resistance; Reduce bit wear; Thereby improved crudy and efficient, prolong the service life of drill bit, and then reduced production cost; Average each drill bit is minimum can process 120～150 holes/, the surface to be machined roughness can reach Ra1.6 (▽ 6).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said blade (1) is Φ 14mm with the diameter of shank (2).
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said drill bit length overall is 66mm.
The said processing carbon fibre composite of present embodiment solid carbide drill, wherein, said cutting blade (1) is long to be 25mm.
The above is merely the preferable embodiment of the utility model, any modification of being made within all spirit and principles at the utility model, is equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. process the carbon fibre composite solid carbide drill for one kind; The blade (1), the shank (2) that mainly comprise drill bit; Blade (1) is connected with shank (2) one ends; It is characterized in that: the helical angle (3) of said drill bit blade (1) is 30 °～35 °, and the drill point angle (4) of drill bit blade (1) is 135 °～140 °, and drill bit unbearabling thickness (5) is 0.1～0.2mm.
2. according to the said processing carbon fibre composite of claim 1 solid carbide drill, it is characterized in that: said blade (1) is Φ 14mm with the diameter of shank (2).
3. according to the said processing carbon fibre composite of claim 1 solid carbide drill, it is characterized in that: said drill bit length overall is 66mm.
4. according to the said processing carbon fibre composite of claim 1 solid carbide drill, it is characterized in that: the long 25mm of being of said cutting blade (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204559365U CN202336613U (en) | 2011-11-17 | 2011-11-17 | Integral hard alloy drill for processing carbon fiber compound materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204559365U CN202336613U (en) | 2011-11-17 | 2011-11-17 | Integral hard alloy drill for processing carbon fiber compound materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202336613U true CN202336613U (en) | 2012-07-18 |
Family
ID=46485318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204559365U Expired - Fee Related CN202336613U (en) | 2011-11-17 | 2011-11-17 | Integral hard alloy drill for processing carbon fiber compound materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202336613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286819A (en) * | 2013-06-17 | 2013-09-11 | 沈阳飞机工业（集团）有限公司 | Method for preventing carbon fiber composite wallboard from being drilled and layered |
| CN103737069A (en) * | 2013-12-09 | 2014-04-23 | 上海飞机制造有限公司 | Designing method for cutter used for drilling composite material component and cutter |
-
2011
- 2011-11-17 CN CN2011204559365U patent/CN202336613U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286819A (en) * | 2013-06-17 | 2013-09-11 | 沈阳飞机工业（集团）有限公司 | Method for preventing carbon fiber composite wallboard from being drilled and layered |
| CN103737069A (en) * | 2013-12-09 | 2014-04-23 | 上海飞机制造有限公司 | Designing method for cutter used for drilling composite material component and cutter |
| CN103737069B (en) * | 2013-12-09 | 2016-11-23 | 上海飞机制造有限公司 | The method for designing of cutter and its cutter for drilling composite element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20141117 |
|
| EXPY | Termination of patent right or utility model |