CN222569374U - Single crystal diamond forming milling cutter - Google Patents
Single crystal diamond forming milling cutter Download PDFInfo
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- CN222569374U CN222569374U CN202420532958.4U CN202420532958U CN222569374U CN 222569374 U CN222569374 U CN 222569374U CN 202420532958 U CN202420532958 U CN 202420532958U CN 222569374 U CN222569374 U CN 222569374U
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Abstract
The utility model discloses a single crystal diamond forming milling cutter which comprises a cutter handle part, a cutter head bonding part, a cutter head structure, an arc-shaped profile cutting surface, an axial cutting surface and a radial cutting edge, wherein one end of the cutter handle part is provided with the cutter head bonding part, the radial direction of the cutter head bonding part is provided with the curved bonding surface, the outer periphery of the curved bonding surface of the cutter head bonding part is provided with the cutter head structure, the radial direction of the cutter head structure is arc-shaped, the first axial end point of the arc-shaped profile cutting surface is asymmetric with the second axial end point, the second axial end point extends out of the cutter handle part to enable the arc-shaped profile cutting surface to be an arc-shaped profile cutting surface with an asymmetric profile, the axial cutting surface is arranged in the axial direction of the first axial end point, and the axial cutting edge extending out of the cutter head bonding part is arranged on the axial cutting surface. The utility model ensures the contour precision and light transmission of the milled product, adopts a high-precision laser cutting molding design, can lead the product to reach the required spline curve shape at one time, and has very transparent appearance quality on the surface of the product.
Description
Technical Field
The utility model relates to the field of diamond milling cutter processing, in particular to a single crystal diamond forming milling cutter.
Background
The diamond formed milling cutter is one kind of milling cutter made of diamond material and is used mainly in machining high hardness, high wear resistance and high heat conductivity material, such as graphite, ceramic, glass, jewel, hard alloy, etc.
Because diamond has extremely high hardness and wear resistance, the diamond forming milling cutter can keep sharpness for a long time when processing the high-hardness materials, thereby improving the processing efficiency and the processing quality. In addition, the diamond-shaped milling cutter can also bear high temperature and high pressure, so that the diamond-shaped milling cutter has better stability and durability in the processing process.
The diamond forming milling cutter has wide application range and can be used for various processing equipment such as a numerical control machine tool, a carving machine, a grinding machine and the like. Meanwhile, the diamond forming milling cutter can be customized according to different processing requirements, such as different shapes, sizes, tooth numbers and the like, so as to meet the requirements of different processing scenes. The utility model is mainly used for processing Plastic (PC) materials in the 3C industry. For the shape outline of the product, the requirements of dimensional accuracy, tool grain, product light transmittance and tool life are very high. The cutter is developed specially for Plastic (PC) material products, and is mainly characterized by ultra-high sharpness, long service life, ensuring the contour precision and light transmission of milled products, adopting high-precision laser cutting molding design, enabling the products to reach the required spline curve shape at one time, and having very transparent appearance quality on the surfaces of the products.
Disclosure of utility model
In order to overcome the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a single crystal diamond compact milling cutter.
In order to achieve the purpose of the utility model, the technical scheme adopted is as follows:
A single crystal diamond shaped milling cutter comprising:
A cutter head bonding part with a curved bonding surface in the radial direction is arranged at one end of the cutter handle part;
A cutter head structure with an arc-shaped radial direction is arranged on the periphery of the curved bonding surface of the cutter head bonding part;
The cutter head structure comprises an arc-shaped profile cutting surface in the radial direction, and a first axial endpoint and a second axial endpoint of the arc-shaped profile cutting surface are asymmetric;
The second axial end point extends out of the cutter handle part to enable the arc-shaped profile cutting surface to be an arc-shaped profile cutting surface with an asymmetric profile;
An axial cutting surface is arranged in the axial direction of the first axial end point,
An axial cutting blade extending out of the cutter head bonding part is arranged on the axial cutting surface;
The axial cutting blade is obliquely arranged towards the direction of the cutter handle part, and the inclination angle of the axial cutting blade is 10+/-3 degrees;
and a radial cutting edge disposed at a radial end of the arcuate profile cutting surface;
the radial cutting blade comprises a blade rake angle and a blade relief angle, and the angle of the blade rake angle is 12+/-3 degrees;
The angle of the back angle of the cutting edge is 25+/-3 degrees.
In a preferred embodiment of the utility model, the profile value of the arcuate profile cutting surface is 0.02.
In a preferred embodiment of the utility model, the angle of inclination of the axial cutting edge is 10 °.
In a preferred embodiment of the utility model, the angle of the edge rake is 12 °.
In a preferred embodiment of the utility model, the angle of the blade relief angle is 25 °.
In a preferred embodiment of the utility model, the radial width of the cutter head is 5.28+ -0.02 mm.
In a preferred embodiment of the utility model, the tool tip is of single crystal diamond material.
In a preferred embodiment of the present utility model, the shank portion is made of tungsten steel.
The utility model has the beneficial effects that:
The single crystal diamond forming milling cutter is developed specially for Plastic (PC) material product and features super sharpness, long service life, high contour precision and light transmission, and high precision laser cutting forming design to reach the required spline shape and bright appearance.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model.
Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.
Fig. 3 is a schematic diagram of a third embodiment of the present utility model.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following structures, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, and are merely for convenience of description of the present utility model and simplification of the description. Rather than indicating or implying that the apparatus or elements herein referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A single crystal diamond shaped milling cutter as shown in fig. 1-3 includes a shank portion 100, the shank portion 100 being of tungsten steel. The high-strength hard alloy is also called tungsten steel, and is prepared by using cobalt (chemical formula: co) as a bonding agent and adopting a powder metallurgy process.
One end of the shank portion 100 is provided with a bit bonding portion 110 having a curved bonding surface 111 in a radial direction, and a bit structure 200 having an arc shape in a radial direction is provided on an outer periphery of the curved bonding surface 111 of the bit bonding portion 110.
The bit structure 200 includes a radially contoured cutting surface 210. The radial width of the tool tip construction 200 is 5.28 + -0.02 mm. The tool tip structure 200 is a single crystal diamond material. The high quality large size CVD single crystal diamond is synthesized with carbon element and through chemical vapor deposition process and special technological process in laboratory.
With particular reference to fig. 2, the first axial end 211 and the second axial end 212 of the arcuate profile cut surface 210 are asymmetric such that extension of the second axial end 212 beyond the shank portion 100 causes the arcuate profile cut surface 210 to be an arcuate profile cut surface of an asymmetric profile. The profile value of the arc profile cut surface was 0.02.
With particular reference to fig. 1, an axial cutting surface 220 is provided in the axial direction of the first axial end 211, an axial cutting edge 221 extending from the bit bonding portion 110 is provided on the axial cutting surface 220, the axial cutting edge 221 is inclined toward the shank portion 100, and the inclination angle of the axial cutting edge 221 is 10±3°. The inclination angle of the axial cutting blade 221 is preferably 10 ° in the embodiment.
And a radial cutting edge 230 disposed at a radial end of the arcuate profile cutting surface 210,
The radial cutting blade 230 includes a blade rake angle 231 and a blade relief angle 232, the angle of the blade rake angle 231 being 12±3°, the angle of the blade relief angle 232 being 25±3°.
The preferred angle of the cutting edge rake angle in the examples is 12 and the angle of the cutting edge relief angle is 25.
Because of the structure, the utility model can cut better through the form of the two-sided cutting edge, ensure the contour precision and light transmission of the milled product, and adopt the design of high-precision laser cutting molding, so that the product can reach the required spline curve shape at one time, and the surface of the product has very transparent appearance quality.
Claims (8)
1. A single crystal diamond compact milling cutter, comprising:
A cutter head bonding part with a curved bonding surface in the radial direction is arranged at one end of the cutter handle part;
A cutter head structure with an arc-shaped radial direction is arranged on the periphery of the curved bonding surface of the cutter head bonding part;
The cutter head structure comprises an arc-shaped profile cutting surface in the radial direction, and a first axial endpoint and a second axial endpoint of the arc-shaped profile cutting surface are asymmetric;
The second axial end point extends out of the cutter handle part to enable the arc-shaped profile cutting surface to be an arc-shaped profile cutting surface with an asymmetric profile;
An axial cutting surface is arranged in the axial direction of the first axial end point,
An axial cutting blade extending out of the cutter head bonding part is arranged on the axial cutting surface;
The axial cutting blade is obliquely arranged towards the direction of the cutter handle part, and the inclination angle of the axial cutting blade is 10+/-3 degrees;
and a radial cutting edge disposed at a radial end of the arcuate profile cutting surface;
the radial cutting blade comprises a blade rake angle and a blade relief angle, and the angle of the blade rake angle is 12+/-3 degrees;
The angle of the back angle of the cutting edge is 25+/-3 degrees.
2. A single crystal diamond compact milling cutter according to claim 1 wherein the arcuate profile cutting surface has a profile value of 0.02.
3. A single crystal diamond compact milling cutter according to claim 1, wherein the axial cutting edge is inclined at an angle of 10 °.
4. A single crystal diamond shaped milling cutter according to claim 1 wherein the angle of the cutting edge rake angle is 12 °.
5. A single crystal diamond shaped milling cutter according to claim 1 wherein the angle of the cutting edge relief angle is 25 °.
6. A single crystal diamond compact milling cutter according to claim 1, wherein the radial width of the cutting head is 5.28 ± 0.02 mm.
7. A single crystal diamond compact milling cutter according to claim 1, wherein the cutting head is of single crystal diamond material.
8. A single crystal diamond compact milling cutter according to claim 1 wherein the shank portion is of tungsten steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420532958.4U CN222569374U (en) | 2024-03-19 | 2024-03-19 | Single crystal diamond forming milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420532958.4U CN222569374U (en) | 2024-03-19 | 2024-03-19 | Single crystal diamond forming milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222569374U true CN222569374U (en) | 2025-03-07 |
Family
ID=94791053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420532958.4U Active CN222569374U (en) | 2024-03-19 | 2024-03-19 | Single crystal diamond forming milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222569374U (en) |
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2024
- 2024-03-19 CN CN202420532958.4U patent/CN222569374U/en active Active
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