CN203390273U - End milling cutter structure - Google Patents
End milling cutter structure Download PDFInfo
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- CN203390273U CN203390273U CN201320467993.4U CN201320467993U CN203390273U CN 203390273 U CN203390273 U CN 203390273U CN 201320467993 U CN201320467993 U CN 201320467993U CN 203390273 U CN203390273 U CN 203390273U
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- Prior art keywords
- blade
- cutter
- ing
- end mill
- included angle
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- 238000003801 milling Methods 0.000 title abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 18
- 229910001069 Ti alloy Inorganic materials 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 5
- 239000011295 pitch Substances 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an end milling cutter structure which has two core diameters with different sizes, wherein spiral angles of a first spiral groove and a second spiral groove are different and are of a linear continuous change, a first blade included angle and a second blade included angle are different, thus an enough chip accommodating space at the front end of a cutter can be ensured, the rear end of the cutter has enough strength, and the spacing between the spiral grooves and the lead (or different pitches) which linearly change can be formed, thus a cutting movement of different phases (out phases) can be generated during cutting so that the resonance is prevented from generating, the performance of the cutter can be effectively improved, and the cutting can be stably carried out even though the cutter is used for machining the side wall of a grooved cavity in a long-suspending manner; the end milling cutter can have higher rotating speed than that of similar products when a metal is cut, larger feeding is carried out to complete the cutting work; meanwhile, the smooth finish of a machined workpiece can be easily ensured, thus the end milling cutter structure is especially suitable for machining a titanium alloy material.
Description
Technical field
The utility model relates to a kind of milling cutter, particularly relates to a kind of end mill cutter of high-speed and high-efficiency.
Background technology
Under manufacturing industry market economy keen competition pressure, the more and more faster delivery cycle of each plant produced beat is also shorter and shorter, and the model change R&D cycle is also shorter and shorter.And rising steadily of raw material and labor wage added fuel to the flames especially, the rule of the survival of the fittest survival of the fittest has reached unprecedented, force manufacturing industry to be lowered into by various means the share that originally wins and dominate the market, someone calculated that production efficiency improves that 10% integrated cost at least will reduce more than 15% and profit will increase more than 20%, and cutter is exactly the tooth of machine-building processing, so-called tooth robust appetite is all right, efficiency is just high.Therefore the cutter that client's an urgent demand toolmaker man provides must be able to meet high efficiency, high accuracy, high reliability and professional requirement.
Flourish along with the industry such as Aeronautics and Astronautics, oil, chemical industry, metallurgy and food, 3C, titanium alloy material is used widely.The processing of titanium alloy workpiece is more and more extensive, titanium alloy material is owing to having the advantages that toughness is large, calorific intensity is high, thermal conductivity factor is low, during cutting, plastic deformation is large, work hardening is serious, heat in metal cutting is many, heat radiation is difficult, easily cause that point of a knife place cutting temperature is high, smear metal adheres to cutting edge and seriously, easily produces built-up edge, so both the wearing and tearing of cutter can be aggravated, and machined surface roughness can be affected again.It is curling and fracture that the smear metal of titanium alloy material is difficult for, and also can damage machined surface, affect the quality of workpiece, so titanium alloy belongs to difficult-to-machine material, and it will be manufactured to various parts, and the various cutters of needs are processed.And traditional cutter is difficult to meet processing request, especially when the cutting of high rotating speed roughing feed, cutter very easily lost efficacy and even there will be the situation of breaking when serious.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of end mill(ing) cutter lamps structure of realizing high rotating speed roughing feed machining.
For achieving the above object and other relevant objects, the utility model provides a kind of end mill(ing) cutter lamps structure, comprise handle of a knife portion and blade part, described blade part comprises two symmetrically arranged the first blades and two symmetrically arranged the second blades, the first blade and the second blade are spaced apart, the both sides of described the first blade form respectively the first helicla flute and the second helicla flute, described the first blade, the second blade includes and is positioned at the shear blade of end face and is spirally coiled in circumference sword, described shear blade is tip-angled shape, along clockwise direction, between the first blade and the second blade, form the first knife edge included angle, between the second blade and the first blade, form the second knife edge included angle, described blade part is provided with the first core diameter and the second core diameter that size is different, described the first helicla flute, the second spiral fluted helical angle is different and be LINEAR CONTINUOUS and change, described the first knife edge included angle is different and complimentary to one another from described the second knife edge included angle.
Preferably, the surface of described blade part is coated with the heat-barrier coating that hardness is HV3200.
Preferably, described heat-barrier coating is TiAlSi coating.
Preferably, described thermal insulation protection layer thickness is 3-5 nanometer.
Preferably: described the first spiral fluted helical angle range of linearity is 40-45 °, and described the second spiral fluted helical angle range of linearity is 38-43 °.
Preferably, described the first knife edge included angle is 88 °, and described the second knife edge included angle is 92 °.
Preferably, described the first core diameter size is 0.56 times of blade diameter, and described the second core diameter size is 0.75 times of blade diameter.
Preferably, the anterior angle of described shear blade is 13.5 °, and the first relief angle is 8 °, and the second relief angle is 16 °.
As mentioned above, end mill(ing) cutter lamps structure of the present utility model has following beneficial effect: this end mill(ing) cutter lamps structure has two core diameters that size is different, the first helicla flute, the second spiral fluted helical angle is different and be LINEAR CONTINUOUS and change, the first knife edge included angle is different from the angle of the second knife edge included angle, can guarantee that like this cutter front end has enough Rong Xiao spaces, there is enough intensity the rear end of cutter, and can be formed with helicla flute spacing and the helical pitch (or different tooth pitches) of linear change, when carrying out cutting operation, can produce like this out of phase (out-phase) thus cutting movement stop the generation of resonance, can effectively improve the performance of cutter like this, even if cutter overhangs and very long zanjon cavity lateral is processed also and can be cut stably, therefore can be than like product with higher rotating speed while adopting this end mill cutter to carry out machining to metal, larger feeding completes cutwork, and the fineness that can also be easy to guarantee to process rear workpiece, be particularly suitable for the processing of titanium alloy material.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the utility model embodiment shear blade direction structure schematic diagram.
Fig. 3 is the schematic diagram that is related to of the utility model embodiment the first knife edge included angle, the second knife edge included angle.
Fig. 4 is the schematic diagram of the utility model embodiment shear blade anterior angle, the first relief angle, the second relief angle.
Element numbers explanation
1 handle of a knife portion
2 blade parts
21 first blades
22 second blades
23 first helicla flutes
24 second helicla flutes
The specific embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.
Refer to Fig. 1 to Fig. 4.Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.
As shown in Figure 1,2,3, 4, the utility model provides a kind of end mill(ing) cutter lamps structure, this end mill(ing) cutter structure comprises handle of a knife portion 1 and blade part 2 two parts, blade part 2 comprises that two symmetrically arranged the first blades 21 and 22, two the first blades 21 of two symmetrically arranged the second blades and two the second blades 22 are spaced apart at the outer peripheral face of blade part 2.The first blade 21, the second blade 22 include and are positioned at the shear blade of end face and circumference sword two parts of coiled coil, and its shear blade is tip-angled shape, is mainly used in end face to process.Along clockwise direction, between the first blade 21 and the second blade 22, form the first knife edge included angle, between the second blade 22 and the first blade 21, form the second knife edge included angle, the angle of the first knife edge included angle is different and complimentary to one another from the angle of the second knife edge included angle.As a kind of optimal way, the angle of the first blade is 88 °, and the angle of the second blade is 92 °.
The first blade 21 both sides form respectively the first helicla flute 23 and the second helicla flute 24, along clockwise direction, between the first blade 21 and the second blade 22, it is the first helicla flute 23, between the second blade 22 and the first blade 21, it is the second helicla flute 24, the helical angle of the first helicla flute 23, the second helicla flute 24 is different and be LINEAR CONTINUOUS and change, and helical angle angle increases gradually from handle of a knife portion to blade part direction.The first spiral fluted helical angle range of linearity is 40-45 °, and the second spiral fluted helical angle range of linearity is 38-43 °.This end mill(ing) cutter structure is provided with the first core diameter and the second core diameter that size is different, and the first core diameter is of a size of 0.56D, and the second core diameter is of a size of 0.75D(D and represents blade diameter).The anterior angle of this end mill(ing) cutter structure shear blade is 13.5 °, and the first relief angle is 8 °, and the second relief angle is 16 °.
This end mill cutter mother metal is selected high-tensile (4600 Ns/square millimeter) tungsten steel bar, this bar has high rigidity (HRA92.7), high red hardness (1000 ℃), tungsten carbide is nano particle (0.2-0.5 nanometer), under the severe cutting state of high-speed and high-temperature, still can work.The surface of blade part 2 adopts physical vapour deposition (PVD) to be coated with and ion sputtering layer technology; coating thickness is the insulation protection film of 3-5 nano hardness HV3200; 1100 ℃ of following high temperature that produce while bearing cutting through special face coat processing is the highest, coating is the super wear-resistant coating of multilayer TiAlSi.This end mill(ing) cutter adopts the diamond wheel precise finiss special cutting edge passivation of polishing of putting the first edge on a knife or a pair of scissors to process adding man-hour, and cutting edge fineness is in line and detects and adopt laser measurement without sawtooth ，Ren footpath amplifying under 90 power microscopes, and precision can reach 1 μ level.
This end mill(ing) cutter lamps structure has two core diameters that size is different, the first helicla flute, the second spiral fluted helical angle is different and be LINEAR CONTINUOUS and change, and the first knife edge included angle is different from the angle of the second knife edge included angle, can guarantee that like this cutter front end has enough Rong Xiao spaces, there is enough intensity the rear end of cutter, and can be formed with helicla flute spacing and the helical pitch (or different tooth pitches) of linear change, when carrying out cutting operation, can produce like this out of phase (out-phase) thus cutting movement stop the generation of resonance, can effectively improve the performance of cutter like this, even if cutter overhangs and very long zanjon cavity lateral is processed also and can be cut stably, therefore can be than like product with higher rotating speed while adopting this end mill cutter to carry out machining to metal, larger feeding completes cutwork, and the fineness that can also be easy to guarantee to process rear workpiece, be particularly suitable for the processing of titanium alloy material.
Following table is the utility model embodiment and conventional end milling cutter cutting comparing result:
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (8)
1. an end mill(ing) cutter lamps structure, comprise handle of a knife portion (1) and blade part (2), described blade part (2) comprises two symmetrically arranged the first blades (21) and two symmetrically arranged the second blades (22), the first blade (21) is spaced apart with the second blade (22), the both sides of described the first blade (21) form respectively the first helicla flute (23) and the second helicla flute (24), described the first blade (21), the second blade (22) includes and is positioned at the shear blade of end face and is spirally coiled in circumference sword, described shear blade is tip-angled shape, along clockwise direction, between the first blade (21) and the second blade (22), form the first knife edge included angle, between the second blade (22) and the first blade (21), form the second knife edge included angle, it is characterized in that: described blade part is provided with the first core diameter and the second core diameter that size is different, described the first helicla flute (23), the helical angle of the second helicla flute (24) is different and be LINEAR CONTINUOUS and change, described the first knife edge included angle is different and complimentary to one another from described the second knife edge included angle.
2. end mill(ing) cutter lamps structure according to claim 1, is characterized in that: the surface of described blade part (2) is coated with the heat-barrier coating that hardness is HV3200.
3. end mill(ing) cutter lamps structure according to claim 2, is characterized in that: described heat-barrier coating is TiAlSi coating.
4. end mill(ing) cutter lamps structure according to claim 2, is characterized in that: described thermal insulation protection layer thickness is 3-5 nanometer.
5. end mill(ing) cutter lamps structure according to claim 1, is characterized in that: the helical angle range of linearity of described the first helicla flute (23) is 40-45 °, and the helical angle range of linearity of described the second helicla flute (24) is 38-43 °.
6. end mill(ing) cutter lamps structure according to claim 1, is characterized in that: described the first knife edge included angle is 88 °, and described the second knife edge included angle is 92 °.
7. end mill(ing) cutter lamps structure according to claim 1, is characterized in that: described the first core diameter size is 0.56 times of blade diameter, and described the second core diameter size is 0.75 times of blade diameter.
8. end mill(ing) cutter lamps structure according to claim 1, is characterized in that: the anterior angle of described shear blade is 13.5 °, and the first relief angle is 8 °, and the second relief angle is 16 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467993.4U CN203390273U (en) | 2013-08-02 | 2013-08-02 | End milling cutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467993.4U CN203390273U (en) | 2013-08-02 | 2013-08-02 | End milling cutter structure |
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| Publication Number | Publication Date |
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| CN203390273U true CN203390273U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320467993.4U Expired - Lifetime CN203390273U (en) | 2013-08-02 | 2013-08-02 | End milling cutter structure |
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| Country | Link |
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| CN (1) | CN203390273U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149666A (en) * | 2015-10-29 | 2015-12-16 | 江苏中晟钻石工具有限公司 | Novel PCD milling tool generating few accumulated chips at tool edge |
| WO2018176753A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市鑫国钰精密工具有限公司 | End milling cutter |
| WO2018176751A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市鑫国钰精密工具有限公司 | Flute dividing forming cutter |
| WO2019047259A1 (en) * | 2017-09-06 | 2019-03-14 | 深圳市鑫国钰精密工具有限公司 | End milling cutter |
-
2013
- 2013-08-02 CN CN201320467993.4U patent/CN203390273U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149666A (en) * | 2015-10-29 | 2015-12-16 | 江苏中晟钻石工具有限公司 | Novel PCD milling tool generating few accumulated chips at tool edge |
| WO2018176753A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市鑫国钰精密工具有限公司 | End milling cutter |
| WO2018176751A1 (en) * | 2017-04-01 | 2018-10-04 | 深圳市鑫国钰精密工具有限公司 | Flute dividing forming cutter |
| WO2019047259A1 (en) * | 2017-09-06 | 2019-03-14 | 深圳市鑫国钰精密工具有限公司 | End milling cutter |
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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 |
Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |