CN101190465A - Milling cutter structure - Google Patents
Milling cutter structure Download PDFInfo
- Publication number
- CN101190465A CN101190465A CNA2006101608607A CN200610160860A CN101190465A CN 101190465 A CN101190465 A CN 101190465A CN A2006101608607 A CNA2006101608607 A CN A2006101608607A CN 200610160860 A CN200610160860 A CN 200610160860A CN 101190465 A CN101190465 A CN 101190465A
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- China
- Prior art keywords
- milling cutter
- cutting blade
- cutter construction
- cutting
- described cutting
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Abstract
The invention provides a milling cutter structure used for processing metal basic plate, comprising a tool holder part and a cutting part; wherein, the cutting part externally extends out of one end of the tool holder; furthermore, the cutting part is provided with at least two corresponding spiral guide troughs; one side of each guide trough is respectively provided with a cutting edge with a spiral angle ranging from 35 DEG to 45 DEG; furthermore, the surface of the cutting plate is plated with film layer. Therefore, the hardness, the lubricity and the chipping discharging capability of the milling cutter can be improved; friction coefficient and heat accumulation phenomena between the invention and the metal basic plate can be reduced, thus greatly prolonging the service life of the cutter.
Description
Technical field
The present invention relates to a kind of milling cutter construction, particularly a kind of milling cutter construction that metal substrate is processed of being used for.
Background technology
The printed circuit board (PCB) (PCB) that in the past was used for various electronics, electric product, most of made by plastics or glass fibre, yet, lifting and meticulous reaching under the consideration that reduces cost along with manufacturing technology, the aforesaid circuit board metal substrate of the combined aluminium of part or copper replaces, such as employed substrate such as street lamp, auto bulb.The structure of this metal substrate not only is provided with the careful circuit of aforementioned circuit plate, also has intensity and the hardness higher than the aforementioned circuit plate.Therefore, the inventor promptly concerns with the blade of metal substrate and milling cutter, as research topic of the present invention.
The milling cutter construction of prior art, mainly comprise handle of a knife portion and cutting portion, wherein, this cutting portion stretches out from an end of handle of a knife portion, this cutting portion has two corresponding helical form guide channels, and being formed with cutting blade respectively in a side of each guide channel, the helical angle of this cutting blade is between 20 °～30 °.
Yet, the milling cutter construction of prior art, only can be useful on the made printed circuit board (PCB) of plastics or glass fibre, for by made metal substrates of metal such as aluminium, copper or alloys, because its helical angle is too little, with make each cutting blade intensity difference, that cutting resistance reaches chip resistance greatly is bad, and then service life of significantly reducing milling cutter.In addition, owing to be not coated with the plated film layer in its surface, cause the low and lubricity deficiency of its case hardness, very easily make milling cutter in milling process, produce abrasion and hot stack phenomenon fast, it does not also meet the milling process requirements of the metal substrate of present stage, demands urgently being improved.
Summary of the invention
Main purpose of the present invention is to provide a kind of milling cutter construction, it reaches by the helical angle that each cutting blade preferably is set and is coated with the plated film layer on the cutting blade surface, hardness, lubricity and the chip resistance of milling cutter are increased, and can reduce coefficient of friction and thermal phenomena between itself and metal substrate, and significantly prolong the service life of cutter.
To achieve the above object, the invention provides a kind of milling cutter construction, be used for the processing of metal substrate, comprise handle of a knife portion and cutting portion, wherein, this cutting portion stretches out from an end of handle of a knife portion, this cutting portion has at least two corresponding helical form guide channels, and being formed with cutting blade respectively in a side of each guide channel, the helical angle of this cutting blade and is coated with the plated film layer on the surface of cutting portion between 35 °～45 °.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is a upward view of the present invention;
Fig. 3 is the a-quadrant partial enlarged drawing of Fig. 2;
Fig. 4 is applied to the figure that machines of metal substrate for the present invention.
In the accompanying drawings, the list of parts of each label representative is as follows:
Handle of a knife portion 10
Back bevel angles 27 top interior angles 28
Plated film layer 30
The specific embodiment
Relevant detailed description of the present invention and technology contents, conjunction with figs. is described as follows.Yet accompanying drawing only is used to provide reference and explanation, is not to be used for the present invention is limited.
Fig. 1, Fig. 2 and shown in Figure 3 be the a-quadrant partial enlarged drawing that is respectively front view of the present invention, upward view and Fig. 2.The invention provides a kind of milling cutter construction, mainly comprise handle of a knife portion 10 and cutting portion 20, handle of a knife portion 10 can be circular straight-bar, cutting portion 20 extends downwards from the bottom of handle of a knife portion 10, the cutting portion 20 of present embodiment has two corresponding helical form guide channels 21,22, and these guide channels also can be three-flute, four grooves or four grooves above (figure does not show).Side at each guide channel 21,22 is formed with cutting blade 23,24 respectively, and the helical angle that tangent to helix and axial line were enclosed to form 25 of cutting blade 23,24 is between 35 °～45 °.Wherein, this helical angle 25 is good with 40 °.When this angle during, when carrying out Milling Process, easily produce edge of a knife Integrated Chip phenomenon, and cause the temperature of each cutting blade 23,24 to raise rapidly greater than 45 °.In addition,, then easily cause the intensity of each cutting blade 23,24 to reduce when this angle during less than 35 °, and the service life of significantly reducing milling cutter.
In addition, anterior diastema angle 26 and back bevel angles 27 that the other two big principal elements that influence the milling cutter machinability are cutting blade, wherein anterior diastema angle 26 is between 20 °～30 °, and back bevel angles 27 is between 7 °～15 °.In addition, be more prone to for making milling cutter penetrate metal substrate 5 again, the top interior angle 28 of its each cutting blade 23,24 is between 150 °～160 °, and wherein this top interior angle 28 is good with 154 °.
In addition, be coated with plated film layer 30 on the surface of this cutting portion 20, this plated film layer 30 can be the nano-coating layer, and with physical vapor deposition (PVD) mode sputter on the surface of cutting portion 20, and this Coating Materials can be zirconium (Zr), chromium (Cr), titanium (Ti) or other high hardness material.
That shown in Figure 4 is the figure that machines that the present invention is applied to metal substrate.Milling cutter construction of the present invention is used for the Milling Process of metal substrate 5, and this metal substrate 5 can be aluminium base, copper base or alloy substrate, and is formed with careful circuit 51 thereon.Be fixed in the rolling clamp (figure do not show) adding the handle of a knife portion 10 of man-hour milling cutter, again by 20 pairs of metal substrate 5 feedings processing of cutting portion, at first two fly cutter drillings by cutting portion 20 front ends go out through hole, and utilize the cutting portion 20 of milling cutter to move with respect to metal substrate 5 do rotations and plane, each cutting blade 23,24 of cutting portion 20 will process elongate slots (as shown) on metal substrate 5, and will make smooth the trimming in end of each circuit 51.
According to milling cutter construction of the present invention, have following plurality of advantages really, because its helical angle is between 35 °～45 °, not only the intensity of each cutting blade 23,24 is good, cutting resistance is little and chip resistance is good, also significantly prolongs the service life of milling cutter.In addition,, cause its case hardness height and lubricity good, slow down the abrasion of each cutting blade 23,24 thus effectively and can avoid the hot stack phenomenon because its surface is coated with nano-coating layer 30.
Above-described embodiment is preferable embodiment, and the scope of the present invention is not limited to this, and the equivalence of doing according to claimed scope of the present invention and description changes or modifies, and all should belong to covering scope of the present invention.
Claims (10)
1. milling cutter construction comprises:
Handle of a knife portion; And
Cutting portion, stretch out from an end of described handle of a knife portion, described cutting portion has at least two corresponding helical form guide channels, and be formed with cutting blade respectively in a side of each guide channel, the helical angle of described cutting blade and is coated with the plated film layer on the surface of described cutting portion between 35 °～45 °.
2. milling cutter construction as claimed in claim 1 is characterized in that, the helical angle of described cutting blade is 40 °.
3. milling cutter construction as claimed in claim 1 is characterized in that, the top interior angle of described cutting blade is between 150 °～160 °.
4. milling cutter construction as claimed in claim 3 is characterized in that, the top interior angle of described cutting blade is 154 °.
5. milling cutter construction as claimed in claim 1 is characterized in that, the anterior diastema angle of described cutting blade is between 20 °～30 °.
6. milling cutter construction as claimed in claim 1 is characterized in that, the back bevel angles of described cutting blade is between 7 °～15 °.
7. milling cutter construction as claimed in claim 1 is characterized in that, described plated film layer is the nano-coating layer.
8. milling cutter construction as claimed in claim 7 is characterized in that, described nano-coating layer uses zirconia material.
9. milling cutter construction as claimed in claim 7 is characterized in that, described nano-coating layer uses the chromium material.
10. milling cutter construction as claimed in claim 7 is characterized in that, described nano-coating layer uses the titanium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101608607A CN101190465A (en) | 2006-11-30 | 2006-11-30 | Milling cutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101608607A CN101190465A (en) | 2006-11-30 | 2006-11-30 | Milling cutter structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101190465A true CN101190465A (en) | 2008-06-04 |
Family
ID=39485746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101608607A Pending CN101190465A (en) | 2006-11-30 | 2006-11-30 | Milling cutter structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101190465A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071840A (en) * | 2013-01-31 | 2013-05-01 | 哈尔滨理工大学 | Pineapple end mill for carbon fiber reinforced composite |
| CN103567520A (en) * | 2012-08-09 | 2014-02-12 | 上海工程技术大学 | Blind groove diamond coating milling cutter |
-
2006
- 2006-11-30 CN CNA2006101608607A patent/CN101190465A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567520A (en) * | 2012-08-09 | 2014-02-12 | 上海工程技术大学 | Blind groove diamond coating milling cutter |
| CN103071840A (en) * | 2013-01-31 | 2013-05-01 | 哈尔滨理工大学 | Pineapple end mill for carbon fiber reinforced composite |
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| 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 |
Open date: 20080604 |