CN220717881U - End mill for processing titanium alloy - Google Patents
End mill for processing titanium alloy Download PDFInfo
- Publication number
- CN220717881U CN220717881U CN202321997440.XU CN202321997440U CN220717881U CN 220717881 U CN220717881 U CN 220717881U CN 202321997440 U CN202321997440 U CN 202321997440U CN 220717881 U CN220717881 U CN 220717881U
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- Prior art keywords
- end mill
- width
- titanium alloys
- alloys according
- edge
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000003754 machining Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000009191 jumping Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Abstract
The utility model discloses an end mill for processing titanium alloy, which comprises: the knife handle is arranged in a long rod shape; the tool bit is arranged at the front end of the tool handle; the four outer edges are spirally arranged on the outer wall of the cutter head; the four bottom edges are arranged at the end part of the cutter head and correspond to the outer edges; wherein the helix angles alpha of the two opposite outer edges are 36 deg. and 38 deg. respectively. The utility model has the following advantages and effects: by setting unequal spiral angles, the change of the cutting angle during processing is reduced, the chip removal space is improved, the metal removal rate is effectively improved, the service life of a cutter is prolonged, the quality of a processed surface is improved, and the processing cost is reduced; the chip containing space is designed to be enough by arranging the unique core thickness ratio; the cooling buffer groove is arranged, so that heat can be dissipated in the processing process, and the heat dissipation performance is improved; through carrying out the circular arc processing to the outer sword, increase hole jumping damage nature improves the life of cutter.
Description
Technical Field
The utility model relates to the field of milling cutters, in particular to an end milling cutter for processing titanium alloy.
Background
Milling cutters are rotary tools for milling machining having one or more cutter teeth, primarily for machining flats, steps, grooves, forming surfaces, cutting workpieces, etc.
With the development of manufacturing industry, the demand for high-performance tools is increasing, and the processing of some special materials is also increasing. The titanium alloy processing belongs to a difficult-to-process material, and when a normal cutter is processed, the change of a cutting angle is large, so that the quality of the processed surface of a workpiece is low, and the improvement is needed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide an end mill for processing titanium alloy, which has the effect of improving the processing quality.
The technical aim of the utility model is realized by the following technical scheme: an end mill for machining a titanium alloy, comprising:
the knife handle is arranged in a long rod shape;
the tool bit is arranged at the front end of the tool handle;
the four outer edges are spirally arranged on the outer wall of the cutter head;
the four bottom edges are arranged at the end part of the cutter head and correspond to the outer edges;
wherein the helix angles alpha of the two opposite outer edges are 36 deg. and 38 deg. respectively.
The present utility model may be further configured in a preferred example to: the chip flute beta of the bottom edge is 35 degrees.
The present utility model may be further configured in a preferred example to: and the outer edge is provided with a cooling buffer groove.
The present utility model may be further configured in a preferred example to: the outer edge is arranged in an arc shape.
The present utility model may be further configured in a preferred example to: the rear angle width L1 of one pair of the outer blades is 0.85mm, the back width L2 is 3.2mm, the groove width L3 of the cooling buffer groove is 1.5mm, the rear angle width L4 of the other pair of the outer blades is 0.85mm, the back width L5 is 2.5mm, and the groove width L6 of the cooling buffer groove is 1.5mm.
The present utility model may be further configured in a preferred example to: the diameter of the mandrel of the cutter head is 5mm.
The present utility model may be further configured in a preferred example to: the edge bottom radius R2 between the two said outer edges on the same side of the axis is 7mm.
The present utility model may be further configured in a preferred example to: the front angle gamma 1 of the bottom edge is 0 degree, the first back angle gamma 2 of the bottom edge is 10 degrees, the second back angle gamma 3 of the bottom edge is 15 degrees, and the edge width of the bottom edge is 0.85mm.
The present utility model may be further configured in a preferred example to: the core part of the bottom blade has a double-side length of 0.8mm, and the blade has a double-side length of 0.1mm.
In summary, the utility model has the following beneficial effects:
1. by setting unequal spiral angles, the change of the cutting angle during processing is reduced, the chip removal space is improved, the metal removal rate is effectively improved, the service life of a cutter is prolonged, the quality of a processed surface is improved, and the processing cost is reduced;
2. the chip flutes with unique angles are arranged to improve the smoothness and the chip removal rate of chip removal;
3. the chip containing space is designed to be enough by arranging the unique core thickness ratio;
4. the cooling buffer groove is arranged, so that heat can be dissipated in the processing process, and the heat dissipation performance is improved;
5. through carrying out the circular arc processing to the outer sword, increase hole jumping damage nature improves the life of cutter.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic view of the structure of the bottom edge of the embodiment;
FIG. 3 is a schematic view of the structure of the B-B position of FIG. 1;
FIG. 4 is a schematic view of the structure of FIG. 2 at position C-C;
FIG. 5 is a schematic view of the structure of the D-D position of FIG. 2;
FIG. 6 is a schematic diagram of a cooling buffer tank according to an embodiment;
fig. 7 is a schematic view of the structure of the outer edge of the embodiment.
Reference numerals: 1. a knife handle; 2. a cutter head; 3. an outer edge; 4. a bottom edge; 5. and cooling and buffering the groove.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an end mill for machining titanium alloy includes a shank 1, a bit 2, four outer edges 3, and four bottom edges 4.
As shown in fig. 1, the shank 1 is in a long rod shape, the cutter head 2 is arranged at the front end of the shank 1, four outer blades 3 are spirally arranged on the outer wall of the cutter head 2, and four bottom blades 4 are arranged at the end part of the cutter head 2 and correspond to the outer blades 3.
As shown in fig. 1, the helix angles α of the two said outer edges 3 located opposite each other are 36 ° and 38 °, respectively.
As shown in fig. 2, the core position of the bottom edge 4 has a double-sided length of 0.8mm and the edge position has a double-sided length of 0.1mm.
As shown in fig. 3, the edge bottom radius R2 between the two said outer edges 3 on the same side of the axis is 7mm.
As shown in fig. 3, the diameter of the mandrel of the tool bit 2 is 5mm, and the unique core-thickness ratio is designed to have enough chip containing space.
As shown in fig. 4, the chip flute β of the bottom edge 4 is 35 ° for improving the smoothness and the chip removal rate of chip removal.
As shown in fig. 5, the rake angle γ1 of the bottom edge 4 is 0 °, the first relief angle γ2 of the bottom edge 4 is 10 °, the second relief angle γ3 of the bottom edge 4 is 15 °, and the edge width of the bottom edge 4 is 0.85mm.
As shown in fig. 6, the outer edge 3 is provided with a cooling buffer groove 5, so that heat can be dissipated in the processing process, and the heat dissipation performance is improved.
As shown in fig. 7, the outer edge 3 is arranged in a circular arc shape, so that pit jumping property is increased, and the service life of the cutter is prolonged.
As shown in fig. 3, the clearance width L1 of the outer blade 3 is 0.85mm, the back width L2 is 3.2mm, the groove width L3 of the cooling buffer groove 5 is 1.5mm, the clearance width L4 of the outer blade 3 is 0.85mm, the back width L5 is 2.5mm, and the groove width L6 of the cooling buffer groove 5 is 1.5mm.
In the working process of the cutter, unequal spiral is unequal to reduce vibration in machining, reduce high-frequency vibration of the cutting edge and the workpiece in machining, and prolong the service life of the cutter. The unique core thickness ratio and the forming spiral groove ensure that the milling cutter has enough rigidity and simultaneously has a chip containing space and better cooling of the entering of cutting fluid. The surface of the cutter is provided with a coating, and special mirror surface treatment is carried out after the coating, so that the surface finish of the cutter is ensured, the occurrence of cutter chip adhesion is effectively reduced, and meanwhile, the rough machining and semi-finish machining of the cutter can obtain good surface quality.
The present utility model is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present utility model.
Claims (9)
1. An end mill for processing a titanium alloy, characterized by: comprising the following steps:
a handle (1) which is arranged in a long rod shape;
the tool bit (2) is arranged at the front end of the tool handle (1);
four outer blades (3) which are spirally arranged on the outer wall of the cutter head (2);
four bottom blades (4) which are arranged at the end part of the cutter head (2) and correspond to the outer blades (3);
wherein the helix angles alpha of the two opposite outer edges (3) are 36 DEG and 38 deg respectively.
2. An end mill for machining titanium alloys according to claim 1, wherein: the chip flute beta of the bottom edge (4) is 35 degrees.
3. An end mill for machining titanium alloys according to claim 2, wherein: the outer blade (3) is provided with a cooling buffer groove (5).
4. An end mill for machining titanium alloys according to claim 3, characterized in that: the outer edge (3) is arranged in an arc shape.
5. An end mill for machining titanium alloys according to claim 3, characterized in that: wherein, the back angle width L1 of a pair of the outer blades (3) is 0.85mm, the back width L2 is 3.2mm, the groove width L3 of the cooling buffer groove (5) is 1.5mm, the back angle width L4 of the outer blades (3) is 0.85mm, the back width L5 is 2.5mm, and the groove width L6 of the cooling buffer groove (5) is 1.5mm.
6. An end mill for machining titanium alloys according to claim 1, wherein: the diameter of the mandrel of the cutter head (2) is 5mm.
7. An end mill for machining titanium alloys according to claim 1, wherein: the radius R2 of the edge bottom between the two outer edges (3) positioned on the same side of the axis is 7mm.
8. An end mill for machining titanium alloys according to claim 1, wherein: the front angle gamma 1 of the bottom edge (4) is 0 degrees, the first back angle gamma 2 of the bottom edge (4) is 10 degrees, the second back angle gamma 3 of the bottom edge (4) is 15 degrees, and the edge width of the bottom edge (4) is 0.85mm.
9. An end mill for machining titanium alloys according to claim 1, wherein: the core part of the bottom blade (4) has a double-side length of 0.8mm and the blade part has a double-side length of 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997440.XU CN220717881U (en) | 2023-07-27 | 2023-07-27 | End mill for processing titanium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997440.XU CN220717881U (en) | 2023-07-27 | 2023-07-27 | End mill for processing titanium alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220717881U true CN220717881U (en) | 2024-04-05 |
Family
ID=90484039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321997440.XU Active CN220717881U (en) | 2023-07-27 | 2023-07-27 | End mill for processing titanium alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220717881U (en) |
-
2023
- 2023-07-27 CN CN202321997440.XU patent/CN220717881U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |