CN203664777U - Hard alloy milling cutter - Google Patents
Hard alloy milling cutter Download PDFInfo
- Publication number
- CN203664777U CN203664777U CN201320844875.0U CN201320844875U CN203664777U CN 203664777 U CN203664777 U CN 203664777U CN 201320844875 U CN201320844875 U CN 201320844875U CN 203664777 U CN203664777 U CN 203664777U
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- milling
- milling cutter
- screw groove
- hand screw
- cutter
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Abstract
The utility model belongs to the field of milling cutters and particularly relates to a hard alloy milling cutter which comprises a cutter handle, wherein one end of the cutter handle extends to form a milling head; right spiral grooves or left spiral grooves are distributed in the milling head surface; milling edges are formed the left spiral grooves or the right spiral grooves; a plurality of raised end teeth are formed at one section, near the cutter handle, of the milling head; the amount of the end teeth is 7-10; the apex angle of each end tooth is 60 DEG - 80 DEG; the edge length of each milling edge is 5-10 mm; the diameter of the milling cutter is 3-5 mm; the spiral angle of each left spiral groove or each right spiral groove is 18 DEG - 28 DEG. According to the hard alloy milling cutter, the strict requirements for the preparing materials and milling parameters of the milling cutter capable of multi-layer printed wiring board milling are met; the requirements for all property parameters of various designs are satisfied and the market competitiveness is high.
Description
Technical field
The utility model belongs to milling cutter field, is specifically related to a kind of carbide-tipped milling cutter.
Background technology
In recent years, along with the continuous renewal development of electronic information field, various electronic products are constantly updated and are regenerated, and such as LCD TV, commercial mobile phone, digital camera, small-sized notebook computer etc., more and more presents trend highly integrated, diversified, high-intelligentization.The realization of this trend not only relies on the development of electronic devices and components, more depends on the update of printed wiring board.Printed wiring board is divided into two types because of the difference of its application: carry " mother matrix " of semiconductor components and devices and " support plate " as semiconductor packages.The former manufacturing technology and electric property, reliability and the cost of assembled complete machine electronic product have very large associated; The latter's manufacturing technology has a great impact for semi-conductive operation frequency, energy resource consumption, connectivity, reliability and cost.Current, mainly concentrate on densification, high frequency, adapt to compound installation, adapt to the aspects such as new function, low cost and delivery date be short for the requirement of the manufacturing technology of printed wiring board.Printed wiring board is because its handling characteristics main component is copper, epoxy resin and glass fabric etc., be the material that is difficult to processing, and along with the development of electronics industry upgrades, there is increasing field to bring into use small volume, the increasing multilayer circuit board of the compound number of plies, thereby in the process of printed wiring board processing cutting, require high to the performance parameter of used cutter, should meet the machining to for example copper of soft metal material, meet being rich in the cutting of the hard non-metallic material such as glass fibre and resinoid bond again, also require finished surface Glabrous thorn, the processing life-span of cutter is long simultaneously, the features such as especially chip removal performance is good.Therefore, prepare aspect material, Milling Parameters and all proposed high requirement at it for the milling cutter tool that is applicable to multilayer printed wiring board milling, and for the material of the different required milling cutters of preparation, also otherwise designed thereupon of its various performance parameters, in the hope of reaching best milling effect.Milling cutter construction of the prior art and performance have not been suitable for the Milling Process of multilayer printed wiring board.
Utility model content
The purpose of this utility model is to provide a kind of carbide-tipped milling cutter with regard to the defect of prior art.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of carbide-tipped milling cutter, comprise handle of a knife (1), one end of described handle of a knife (1) extends into milling head (2), the surface distributed of described milling head (2) has right-hand screw groove (3) or left-hand screw groove (3), described left-hand screw groove (3) or described right-hand screw groove (3) form milling edge, and described milling head (2) is near the end tooth (4) of one section of multiple projection of formation of described handle of a knife (1).
The number of teeth of described end tooth (4) is 7-10, and the drift angle of described end tooth (4) is 60 °-80 °, and the sword length of described milling edge is 5-10mm, and the diameter of described milling cutter is 3-5mm.
The number of teeth of described end tooth (4) is 9 teeth, and the drift angle of described end tooth (4) is 65 °, and described milling cutter diameter is 3mm, and the sword length of described milling edge is 7mm.
The helical angle of described left-hand screw groove (3) or described right-hand screw groove (3) is 18 °-28 °.
The surface distributed of described milling head (2) has right-hand screw groove (3), chip removal type structure in formation.
The surface distributed of described milling head (2) has left-hand screw groove (3), forms lower chip removal type structure.
The beneficial effects of the utility model prepare at it high requirement proposing aspect material, Milling Parameters for: the milling cutter tool that has met multilayer printed wiring board milling, its various performance parameters has also met the performance requirement of various designs, has the very high market competitiveness.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model;
In figure, description of reference numerals is as follows: 1, handle of a knife; 2, milling head; 3, left-hand screw groove or right-hand screw groove; 4, end tooth.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:
A kind of carbide-tipped milling cutter as shown in Figure 1, it comprises handle of a knife (1), one end of handle of a knife (1) extends into milling head (2), the surface distributed of milling head (2) has right-hand screw groove (3) or left-hand screw groove (3), left-hand screw groove (3) or right-hand screw groove (3) form milling edge, and milling head (2) is near the end tooth (4) of one section of multiple projection of formation of handle of a knife (1); The number of teeth of end tooth (4) is 7-10, and the drift angle of end tooth (4) is 60 °-80 °, and the sword length of milling edge is 5-10mm, and the diameter of milling cutter is 3-5mm; The number of teeth of end tooth (4) is 9 teeth, and the drift angle of end tooth (4) is 65 °, and milling cutter diameter is 3mm, and the sword length of milling edge is 7mm; The helical angle of left-hand screw groove (3) or right-hand screw groove (3) is 18 °-28 °; The surface distributed of milling head (2) has right-hand screw groove (3), chip removal type structure in formation; The surface distributed of milling head (2) has left-hand screw groove (3), forms lower chip removal type structure.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technology people of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a carbide-tipped milling cutter, comprise handle of a knife (1), one end of described handle of a knife (1) extends into milling head (2), the surface distributed of described milling head (2) has right-hand screw groove (3) or left-hand screw groove (3), described left-hand screw groove (3) or described right-hand screw groove (3) form milling edge, it is characterized in that: described milling head (2) is near the end tooth (4) of one section of multiple projection of formation of described handle of a knife (1).
2. carbide-tipped milling cutter according to claim 1, is characterized in that: the number of teeth of described end tooth (4) is 7-10, and the drift angle of described end tooth (4) is 60 °-80 °, and the sword length of described milling edge is 4-10mm, and the diameter of described milling cutter is 3-5mm.
3. carbide-tipped milling cutter according to claim 1, is characterized in that: the number of teeth of described end tooth (4) is 9 teeth, and the drift angle of described end tooth (4) is 65 °, and described milling cutter diameter is 3mm, and the sword length of described milling edge is 7mm.
4. according to the carbide-tipped milling cutter described in claim 1, it is characterized in that: the helical angle of described left-hand screw groove (3) or described right-hand screw groove (3) is 18 °-28 °.
5. according to the carbide-tipped milling cutter described in claim 1, it is characterized in that: the surface distributed of described milling head (2) has right-hand screw groove (3) chip removal type structure in formation.
6. according to the carbide-tipped milling cutter described in claim 1, it is characterized in that: the surface distributed of described milling head (2) has left-hand screw groove (3), form lower chip removal type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844875.0U CN203664777U (en) | 2013-12-20 | 2013-12-20 | Hard alloy milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844875.0U CN203664777U (en) | 2013-12-20 | 2013-12-20 | Hard alloy milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203664777U true CN203664777U (en) | 2014-06-25 |
Family
ID=50961111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844875.0U Expired - Fee Related CN203664777U (en) | 2013-12-20 | 2013-12-20 | Hard alloy milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203664777U (en) |
-
2013
- 2013-12-20 CN CN201320844875.0U patent/CN203664777U/en not_active Expired - Fee Related
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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: 20140625 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |