CN202317206U - Milling cutter used for processing titanium alloy - Google Patents
Milling cutter used for processing titanium alloy Download PDFInfo
- Publication number
- CN202317206U CN202317206U CN2011204767480U CN201120476748U CN202317206U CN 202317206 U CN202317206 U CN 202317206U CN 2011204767480 U CN2011204767480 U CN 2011204767480U CN 201120476748 U CN201120476748 U CN 201120476748U CN 202317206 U CN202317206 U CN 202317206U
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- Prior art keywords
- milling cutter
- cutting edge
- cutter
- titanium alloy
- groove
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Abstract
The utility model discloses a milling cutter used for processing titanium alloy. The milling cutter comprises a handle part and a cutting part, wherein the cutting part comprises an end surface cutting edge, peripheral cutting edges and chip flutes; the chip flutes are positioned between the two adjacent peripheral cutting edges; the length of the effective cutting edge is L; the diameter of an excircle that is formed by the core thickness of the milling cutter is d1 within the length range L1 that extends from the end surface cutting edge to the handle part along the length L of the effective cutting edge; the diameter of the excircle that is formed by the core thickness of the milling cutter is d2 within the rest length range of the length L of the effective cutting edge; d2 is more than d1, and L1 equals to (0.25 to 0.55)L; in the radial section, the cutter face behind each chip flute and the cutter face in front of each chip flute of the peripheral cutting edges are concave circular arcs; in addition, each concave circular arc corresponding to each cutter face behind each chip flute is tangent to the excircle and each concave circular arc corresponding to each cutter face in front of each chip flute respectively. The milling cutter used for processing titanium alloy can give consideration to cutter rigidity and chip accommodating space, can greatly prolong the service life of the cutter, and can lower the processing cost.
Description
Technical field
The utility model relates to the metal cutting manufacture field, relates in particular to the milling cutter that is used for machining titanium alloy.
Background technology
In the metal cutting field, the titanium alloy thermal conductivity factor is low, and deformation coefficient is little, is a kind of typical difficult-to-machine material, particularly during Milling Process, the rigidity and the chip space of milling cutter is had very high requirement.Common slotting cutter is difficult to take into account the requirement of cutter rigidity and chip space, because guarantee that rigidity can cause the cutter chip space little preferably, and guarantees that bigger chip space can cause the poor rigidity of cutter.When machining titanium alloy, design a kind of cutter that can satisfy cutter rigidity and chip space requirement simultaneously and seem particularly important.
Patent documentation CN201455382U discloses a kind of change grooved milling cutter, and this milling cutter adopts the parabola grooved, and the rectangle and trapezium channel section figure is y=ax
2+ bx+c, in L1 length, core is thick to be d1; Outside L1 length, core is thick to be d2, and d2 is 1.4 times of d1.Though this milling cutter is through optimizing, the milling cutter grooved only is made up of one section parabola, is unfavorable for the adjustment and the processing of grooved; Secondly, thick d1 such as the core that does not wait and d2 differ too big, therefore can form bigger sudden change at the L1 place, thereby have reduced the intensity of cutter.
The utility model content
The technical problem that the utility model will solve is the deficiency that overcomes prior art, and a kind of milling cutter that is used for machining titanium alloy of taking into account cutter rigidity and chip space, significantly improving cutter life, cut down finished cost is provided.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of milling cutter that is used for machining titanium alloy; Be made up of shank and cutting portion, said cutting portion comprises face cutting edge, periphery cutting edge and the chip pocket between adjacent two periphery cutting edges, and effectively cutting edge is long is L; The long L of said effective cutting edge from said face cutting edge in the L1 length range that shank extends; The diameter of the cylindrical of the thick formation of said milling cutter core is d1, and in all the other length ranges of the long L of said effective cutting edge, the diameter of the cylindrical of the thick formation of said milling cutter core is d2; D2>d1, L1=(0.25～0.55) L; On radial section, knife face and groove rake face are concave arc behind the groove of said periphery cutting edge, and the pairing concave arc of knife face is tangent with said cylindrical and the pairing concave arc of groove rake face respectively behind the said groove.
Said milling cutter diameter is D, 0.55D≤d1≤0.7D, 1.1d1≤d2≤1.3d1.
The radius of the concave arc of knife face on radial section is r behind the said groove
1, 0.5D≤r
1≤1.5D, the radius of the concave arc of said groove rake face on radial section is r
2, 0.15D≤r
2≤0.18D.
The helixangle of adjacent said periphery cutting edge differs 1 °～3 °.
Compared with prior art, the advantage of the utility model is:
The milling cutter that is used for machining titanium alloy of the utility model, in the long L scope of its whole sword, the diameter of the cylindrical of the thick formation of milling cutter core has two values; During with the milling cutter machining titanium alloy of the utility model, the thick diameter of leading portion milling cutter core is little, and chip space is big; Help feed, back end mill(ing) cutter core is thick big, has guaranteed the rigidity of milling cutter; Can reduce the beat of cutter, guarantee machining accuracy, the structure of the thick vary in diameter of this core that visible the utility model adopts; Both improved the rigidity of cutter, and increased chip space again, being used for titanium alloy, to add man-hour with the obvious advantage; Simultaneously, on radial section, knife face and groove rake face are concave arc behind the groove of periphery cutting edge; The pairing concave arc of cutter is tangent with cylindrical and the pairing concave arc of groove rake face respectively behind the groove; Smooth smoothness in the groove does not have the existence of cliff, can carry out chip removal smoothly; Effectively avoid the destructiveness extruding of smear metal, can increase substantially cutter life the periphery cutting edge.The helixangle of adjacent periphery cutting edge differs 1 °～3 °, is equal helix angle structure not, can reduce vibration cutting, significantly improves the surface quality of workpiece.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the cutting portion radial section enlarged drawing of the utility model.
Each label is represented among the figure:
1, shank; 2, cutting portion; 3, face cutting edge; 4, periphery cutting edge; 5, chip pocket; 6, knife face behind the groove; 7, groove rake face; 8, cylindrical.
The specific embodiment
Fig. 1 and Fig. 2 show a kind of milling cutter embodiment that is used for machining titanium alloy of the utility model, and this milling cutter is four blade milling cutters, are made up of shank 1 and cutting portion 2; Cutting portion 2 comprises face cutting edge 3, periphery cutting edge 4 and the chip pocket 5 between adjacent two periphery cutting edges 4, and effectively cutting edge is long is L, effectively the long L of cutting edge from face cutting edge 3 in the L1 length range of shank 1 extension; The diameter of the cylindrical of the thick formation of milling cutter core is d1, and in effective all the other length ranges of the long L of cutting edge, the diameter of the cylindrical of the thick formation of milling cutter core is d2; D2>d1, L1=(0.25～0.55) L is in the present embodiment; L=13mm, L1=0.5L=6.5mm.Titanium alloy is a kind of very difficult material processed, and its thermal conductivity factor is low, and deformation coefficient is little, during with the milling cutter machining titanium alloy of the utility model; The thick diameter of leading portion milling cutter core is little, and chip space is big, helps feed, and back end mill(ing) cutter core is thick big; Guaranteed the rigidity of milling cutter, can reduce the beat of cutter, guaranteed machining accuracy, the structure of the thick vary in diameter of this core that visible the utility model adopts; Both improved the rigidity of cutter, and increased chip space again, being used for titanium alloy, to add man-hour with the obvious advantage; Simultaneously, on radial section, knife face 6 is concave arc with groove rake face 7 behind the groove of periphery cutting edge 4; Knife face 6 pairing concave arcs are tangent with cylindrical 8 and groove rake face 7 pairing concave arcs respectively behind the groove; Smooth smoothness in the groove does not have the existence of cliff, can carry out chip removal smoothly; Effectively avoid the destructiveness extruding of smear metal, can increase substantially cutter life periphery cutting edge 4.
In the present embodiment, milling cutter diameter is D, 0.55D≤d1≤0.7D, and 1.1d1≤d2≤1.3d1, the radius of the concave arc of knife face 6 on radial section is r behind the groove
1, 0.5D≤r
1≤1.5D, the radius of the concave arc of groove rake face 7 on radial section is r
2, 0.15D≤r
2≤0.18D, in the present embodiment, D=6mm, d1=0.62D=3.72mm, d2=1.2d1=4.464mm, r
1=0.8D=4.8mm, r
2=0.17D=1.02mm.The helixangle of adjacent periphery cutting edge 4 differs 1 °～3 °; Four helical angles of present embodiment are respectively 38 °, 40 °, 38 ° and 40 °, and adjacent helixangle differs 2 °, are equal helix angle structure not; Can reduce vibration cutting, significantly improve the surface quality of workpiece.
The above-mentioned just preferred embodiment of the utility model is not that the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Under the situation that does not break away from the utility model technical scheme scope; All the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to the utility model technical scheme, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technical scheme, all should drop in the scope of the utility model technical scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (4)
1. milling cutter that is used for machining titanium alloy; Be made up of shank (1) and cutting portion (2), said cutting portion (2) comprises face cutting edge (3), periphery cutting edge (4) and is positioned at the chip pocket (5) between the adjacent two periphery cutting edges (4) that effectively cutting edge is long is L; It is characterized in that: the long L of said effective cutting edge from said face cutting edge (3) in the L1 length range that shank (1) extends; The diameter of the cylindrical (8) of the thick formation of said milling cutter core is d1, and in all the other length ranges of the long L of said effective cutting edge, the diameter of the cylindrical (8) of the thick formation of said milling cutter core is d2; D2>d1, L1=(0.25～0.55) L; On radial section, knife face (6) and groove rake face (7) are concave arc behind the groove of said periphery cutting edge (4), and the pairing concave arc of knife face behind the said groove (6) is tangent with said cylindrical (8) and the pairing concave arc of groove rake face (7) respectively.
2. the milling cutter that is used for machining titanium alloy according to claim 1 is characterized in that: said milling cutter diameter is D, 0.55D≤d1≤0.7D, 1.1d1≤d2≤1.3d1.
3. the milling cutter that is used for machining titanium alloy according to claim 2 is characterized in that: the radius of the concave arc of knife face behind the said groove (6) on radial section is r
1, 0.5D≤r
1≤1.5D, the radius of the concave arc of said groove rake face (7) on radial section is r
2, 0.15D≤r
2≤0.18D.
4. according to each described milling cutter that is used for machining titanium alloy in the claim 1 to 3, it is characterized in that: the helixangle of adjacent said periphery cutting edge (4) differs 1 °～3 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204767480U CN202317206U (en) | 2011-11-25 | 2011-11-25 | Milling cutter used for processing titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204767480U CN202317206U (en) | 2011-11-25 | 2011-11-25 | Milling cutter used for processing titanium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202317206U true CN202317206U (en) | 2012-07-11 |
Family
ID=46429203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204767480U Expired - Lifetime CN202317206U (en) | 2011-11-25 | 2011-11-25 | Milling cutter used for processing titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202317206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500237A (en) * | 2021-07-15 | 2021-10-15 | 江门市中刀精密科技有限公司 | Long-service-life coating milling cutter for machining titanium alloy parts of aircraft engines |
-
2011
- 2011-11-25 CN CN2011204767480U patent/CN202317206U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500237A (en) * | 2021-07-15 | 2021-10-15 | 江门市中刀精密科技有限公司 | Long-service-life coating milling cutter for machining titanium alloy parts of aircraft engines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |