CN204800027U - Realize interior cold type circular arc head milling cutter of stable cutting - Google Patents
Realize interior cold type circular arc head milling cutter of stable cutting Download PDFInfo
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- CN204800027U CN204800027U CN201520300655.0U CN201520300655U CN204800027U CN 204800027 U CN204800027 U CN 204800027U CN 201520300655 U CN201520300655 U CN 201520300655U CN 204800027 U CN204800027 U CN 204800027U
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- cutter
- milling cutter
- circular arc
- angle
- cutting
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Abstract
The utility model relates to a vibration that hardened steel concatenation mould in -process that realize interior cold type circular arc head milling cutter of stable cutting, this milling cutter can reduce to process different hardness arouses improves cutter life and workpiece surface processingquality. The problem of bulb milling cutter machining efficiency is low is solved. The cutter is monolithic structure carbide end milling cutter. This milling cutter includes handle of a knife (1) and tool bit (2), and the tool bit includes little circular arc (2 -2) and orthodrome (2 -1). The angle between teeth is 87, 93, 87, 93 respectively. Helical angle (r) is 38, and (v) be 40, 4 cutting edges of cutter have a negative chamfered edge to the helical angle, and burden chamfered edge size is (1-2mm) 45. The anterior angle greatly among a small circle: 0-3, first back angle range: 8-10, angle range behind the second: 15-22. The cutter center has cooling channel (3), cooling channel be 4, cooling channel's export is located 4 cutting edge end tooth chip pockets respectively.
Description
Technical field
The utility model relates to a kind of realization and stablizes cutting inner-cooled circular arc head milling cutter.
Background technology
Such as, for the mould with small curve free form surface, automobile panel, its planform is complicated.The processing of automobile panel mainly uses rose cutter and ring type milling cutter.When three axis machining small curve free form surface, rose cutter processing belt width, step pitch is little, and efficiency is low, and precision is low.The problems such as the mill of the cutter that the vibration caused for the hardened steel splicing Mould Machining with different hardness especially brings, breakage and surface of the work precision are low govern the development of automobile panel.In recent years, occur with non-rose cutter (ellipse rose cutter and hyperbola rose cutter) machining small curvature radius free form surface of mould to improve working (machining) efficiency, though improve working (machining) efficiency due to be tool bit part be law curve (oval, hyperbola), cause machine tooling Machining of Curved Surface programmed point to be difficult to determine, add the difficulty of programming.
Summary of the invention
The purpose of this utility model is to provide a kind of realization and stablizes cutting inner-cooled circular arc head milling cutter, the milling of small curve free form surface can be realized, reduce the vibration cutting caused in the hardened steel splicing die-cut process of processing different hardness, improve cutter life and surface of the work crudy.Solve rose cutter processing belt width, step pitch is little, inefficient problem.Solve non-rose cutter (ellipse rose cutter and hyperbola rose cutter) when machining small curvature radius free form surface, programming processing stand is difficult to the problem determined.
above-mentioned object is realized by following technical scheme:
A kind of realization stablizes cutting inner-cooled circular arc head milling cutter, this milling cutter is monoblock type carbide alloy milling cutter, it comprises handle of a knife and cutter head, cutter head is made up of two sections of circular arcs, small arc-shaped and orthodrome respectively, described one realizes the stable inner-cooled circular arc head milling cutter that cuts 4 cutting edges, and center cutter position is with cooling duct.
Described cutter head comprises the small curve bulb of cutter ends, is deep camber bulb between described small curve bulb and handle of a knife.
4 described cutting edges are unequal blade spacing cutting edge, and the helical angle of 4 cutting edges is respectively 38 °, 40 °, 38 °, 40 °, and the angle between teeth of 4 cutting edges is respectively 87 °, 93 °, 87 °, 93 °.
Described cutting edge has end tooth anterior angle, rake angle, the first relief angle and the second relief angle, described end tooth anterior angle is 0 ° ~ 3 °, described rake angle is 0 ° ~ 10 °, angular region after described first: 8 ° ~ 10 °, angular region after described second: 15 ° ~ 20 °.
Described cooling duct has 4, and the outlet of 4 cooling ducts is positioned at tool bit part, and the outlet of 4 described cooling ducts lays respectively at 4 cutting edge end tooth chip pockets.
4 described cutting edges have the negative chamfered edge of size (1 ~ 2mm) × 45 °.
The utility model is relative to the beneficial effect of modern technologies:
1, the utility model one realizes stable cutting inner-cooled circular arc head milling cutter, this cutter adopts the design of Unequal distance cutting edge, solve the vibration cutting that cause of cutter at processing different hardness hardened steel splicing mould, crudy is not high, improves cutter life simultaneously.
2, the utility model one realizes stable cutting inner-cooled circular arc head milling cutter, described a kind of cutter head realizing stable cutting inner-cooled circular arc head milling cutter solves rose cutter in machining small curvature radius plane, processing belt width, path internal is little, the problem that machining accuracy is low.
3, the utility model one realizes stable cutting inner-cooled circular arc head milling cutter, described cutter is Hardmetal materials, and described circular arc head milling cutter head solves the problem that non-rose cutter (ellipse rose cutter, hyperbola rose cutter) work in-process programming central point is difficult to determine.
4, the utility model one realizes stable cutting inner-cooled circular arc head milling cutter, and the negative chamfered edge of described cutting edge can protect cutting edge, reduces tool wear, extends cutter life.
5, a kind of cooling duct realizing stable cutting inner-cooled circular arc head milling cutter of the utility model reduces the viscosity of workpiece to greatest extent and removes chip; decrease the heat of Tool in Cutting sword simultaneously; protect the cutting edge of Tool in Cutting, extend cutter life.
Accompanying drawing explanation
Fig. 1 is that one of the present utility model realizes stable cutting inner-cooled circular arc head milling cutter overall structure schematic diagram.
Fig. 2 is Fig. 1 end-cutting edge enlarged drawing.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is the cutter contrast of machining small curvature radius free form surface, and dotted outline is rose cutter, and solid outline is circular arc head milling cutter.Δ h
2for circular arc head milling cutter cutting surface residual altitude figure, Δ h
1for rose cutter cutting surface residual altitude figure, d
1for ball endmill cuts bandwidth, d
2for circular arc head milling cutter cuts bandwidth.
Fig. 6 is the F-F enlarged section of Fig. 1.
Fig. 7 is the K-K enlarged section of Fig. 1.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1-Fig. 7 one realizes stable cutting inner-cooled circular arc head milling cutter, and this cutter is monolithic construction, and cutter material is carbide alloy.This milling cutter comprises handle of a knife 1 and cutter head 2, and shank diameter is 8mm, and cutter head comprises small curve circular arc 2-1 and deep camber circular arc 2-2, and the radius of small curve circular arc 2-1 is 5mm, and the radius of deep camber circular arc 2-2 is 1mm.Two terminal circle arc light slip forms the cutter head of this milling cutter.
Detailed description of the invention two: composition graphs 1 and Fig. 3 one realize stable cutting inner-cooled circular arc head milling cutter, and the angle between A-A is 87 °, and the angle between B-B is 93 °, and helical angle r is 38 °, and helical angle v is 40 °.
Detailed description of the invention three: composition graphs 6 and Fig. 7 one realize stable cutting inner-cooled circular arc head milling cutter, and knife end sword bears chamfered edge 12 and all swords bear chamfered edge 11, size (1 ~ 2mm) x45 ° of negative chamfered edge.
Detailed description of the invention four: composition graphs 7 one kinds realizes stable cutting inner-cooled circular arc head milling cutter, and the scope of end sword 11 anterior angle m1 is between 0 ° ~ 3 °, and the scope of end sword 11 relief angle n1 is between 8 ° ~ 10 °, and the scope of end sword 11 relief angle n2 is between 15 ° ~ 22 °.
Detailed description of the invention five: composition graphs 6 one kinds realizes stable cutting inner-cooled circular arc head milling cutter, and all sword 10 anterior angle p are 0 ° ~ 10 °, and the scope of all sword 10 relief angle q1 is between 8 ° ~ 10 °, and the scope of all sword 10 relief angle q2 is between 15 ° ~ 22 °.
Detailed description of the invention six: composition graphs 3 one kinds realizes stable cutting inner-cooled circular arc head milling cutter, and there is cooling duct center cutter position, is respectively 3-1,3-2,3-3,3-4.Described cooling duct has 4, and the outlet of 4 cooling ducts is positioned at tool bit part, and the outlet of 4 described cooling ducts lays respectively at 4 cutting edge end tooth chip pockets.
Claims (6)
1. one kind realizes stable cutting inner-cooled circular arc head milling cutter, this milling cutter is monoblock type carbide alloy milling cutter, its composition comprises: handle of a knife and cutter head, it is characterized in that: described cutter head is made up of two sections of circular arcs, be respectively small arc-shaped and orthodrome, described one realizes the stable inner-cooled circular arc head milling cutter that cuts 4 cutting edges, and the center of cutter is with cooling duct.
2. one according to claim 1 realizes stable cutting inner-cooled circular arc head milling cutter, and it is characterized in that: described cutter head comprises the small curve bulb of cutter ends, is deep camber bulb between described small curve bulb and handle of a knife.
3. one according to claim 1 realizes stable cutting inner-cooled circular arc head milling cutter, it is characterized in that: 4 described cutting edges are unequal blade spacing cutting edge, article 4, the helical angle of cutting edge is respectively 38 °, 40 °, 38 °, 40 °, and the angle between teeth of 4 cutting edges is respectively 87 °, 93 °, 87 °, 93 °.
4. the one according to claim 1 or 3 realizes stable cutting inner-cooled circular arc head milling cutter, it is characterized in that: described cutting edge has end tooth anterior angle, rake angle, the first relief angle and the second relief angle, described end tooth anterior angle is 0 ° ~ 3 °, described rake angle is 0 ° ~ 10 °, angular region after described first: 8 ° ~ 10 °, angular region after described second: 15 ° ~ 20 °.
5. one according to claim 1 realizes stable cutting inner-cooled circular arc head milling cutter, it is characterized in that: described cooling duct is 4, article 4, the outlet of cooling duct is positioned at tool bit part, and the outlet of 4 described cooling ducts lays respectively at 4 cutting edge end tooth chip pockets.
6. one according to claim 1 realizes stable cutting inner-cooled circular arc head milling cutter, it is characterized in that: 4 described cutting edges have the negative chamfered edge of size (1 ~ 2mm) × 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300655.0U CN204800027U (en) | 2015-05-12 | 2015-05-12 | Realize interior cold type circular arc head milling cutter of stable cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520300655.0U CN204800027U (en) | 2015-05-12 | 2015-05-12 | Realize interior cold type circular arc head milling cutter of stable cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204800027U true CN204800027U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520300655.0U Expired - Fee Related CN204800027U (en) | 2015-05-12 | 2015-05-12 | Realize interior cold type circular arc head milling cutter of stable cutting |
Country Status (1)
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| CN (1) | CN204800027U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964825A (en) * | 2017-04-26 | 2017-07-21 | 哈尔滨理工大学 | One kind splicing mould milling rose cutter |
| CN107755770A (en) * | 2017-10-24 | 2018-03-06 | 国宏工具系统（无锡）股份有限公司 | A kind of hard alloy processes rose cutter |
| CN108672779A (en) * | 2018-06-07 | 2018-10-19 | 三砥新材（深圳）有限公司 | milling cutter for processing graphite workpiece |
| CN109317737A (en) * | 2018-10-30 | 2019-02-12 | 浙江神钢赛欧科技有限公司 | Chip dividing groove necking tool |
-
2015
- 2015-05-12 CN CN201520300655.0U patent/CN204800027U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964825A (en) * | 2017-04-26 | 2017-07-21 | 哈尔滨理工大学 | One kind splicing mould milling rose cutter |
| CN107755770A (en) * | 2017-10-24 | 2018-03-06 | 国宏工具系统（无锡）股份有限公司 | A kind of hard alloy processes rose cutter |
| CN108672779A (en) * | 2018-06-07 | 2018-10-19 | 三砥新材（深圳）有限公司 | milling cutter for processing graphite workpiece |
| CN109317737A (en) * | 2018-10-30 | 2019-02-12 | 浙江神钢赛欧科技有限公司 | Chip dividing groove necking tool |
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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: 20151125 Termination date: 20160512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |