A PCD diamond ball cutter
The PCD diamond ball end mill, with its four-flute design, solves the problems of high precision and tool life in the machining of non-ferrous and non-metallic spheres by using one-time forming of the outer contour, achieving efficient and accurate sphere machining and improved durability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI YUHER DIAMOND TOOL
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-26
AI Technical Summary
In the spherical machining of non-ferrous and non-metallic materials, existing technologies struggle to achieve high precision, smooth surfaces, and high efficiency, and tool life is relatively short, impacting production efficiency and costs.
The PCD diamond ball end mill features a four-blade design and a one-piece machined outer contour. It utilizes the sharp cutting edge and mirror finish of PCD diamond material, combined with a tungsten steel shank, to ensure high precision and durability.
It enables efficient and precise spherical machining, improves surface finish and tool life, reduces production costs, and enhances product durability and reliability.
Smart Images
Figure CN224273339U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of diamond tool manufacturing, specifically to a PCD diamond ball cutter. Background Technology
[0002] In the field of spherical processing of non-ferrous and non-metallic materials, the requirements for various product indicators are extremely high.
[0003] Precision is the primary consideration. Due to the complexity of spherical machining, even the slightest dimensional deviation can have a significant impact on the overall performance of the product. Therefore, high-precision equipment and advanced measurement techniques must be used during the machining process to ensure that each spherical component meets stringent design requirements.
[0004] Surface finish is equally important. A smooth surface not only improves the appearance of a product, but also reduces friction and wear, increasing its durability and reliability.
[0005] The shape and contour are also an important factor. Precise shape and contour ensure perfect fit between spherical components and other components, achieving optimal functional performance.
[0006] In addition, tool life is also a key concern during the machining process. To reduce production costs and improve production efficiency, durable tools must be selected and machining parameters optimized to extend tool life. Utility Model Content
[0007] To overcome the aforementioned shortcomings of the prior art, the purpose of this utility model is to provide a PCD diamond ball cutter. This utility model's PCD diamond ball cutter adopts a four-flute design, allowing for one-time machining of the outer contour, resulting in high efficiency.
[0008] To achieve the objective of this utility model, the technical solution adopted is as follows:
[0009] A PCD diamond ball cutter, comprising:
[0010] The handle portion has a blade mounting seat welded to one end. A first curved blade, a second curved blade, a third curved blade, and a fourth curved blade are spaced apart on the first sub-blade mounting seat, the second sub-blade mounting seat, the third sub-blade mounting seat, and the fourth sub-blade mounting seat.
[0011] The first curved blade and the third curved blade are mirror images of each other;
[0012] The second curved blade and the fourth curved blade are mirror images of each other;
[0013] The first curved blade, the second curved blade, the third curved blade and the fourth curved blade are respectively provided with a first end blade rake angle, a second end blade rake angle, a third end blade rake angle and a fourth end blade rake angle at their radial ends.
[0014] In a preferred embodiment of this utility model, the thickness of the first curved blade, the second curved blade, the third curved blade and the fourth curved blade is 1 mm.
[0015] In a preferred embodiment of this utility model, the radius of curvature R of the first curved blade, the second curved blade, the third curved blade and the fourth curved blade are all 14.97-15.03 mm.
[0016] In a preferred embodiment of this utility model, the first sub-cutter head mounting base, the second sub-cutter head mounting base, the third sub-cutter head mounting base, and the fourth sub-cutter head mounting base are spaced at an angle of 70°.
[0017] In a preferred embodiment of this utility model, the first curved blade, the second curved blade, the third curved blade and the fourth curved blade are made of PCD diamond material.
[0018] In a preferred embodiment of the present invention, the radial ends of the first curved blade, the second curved blade, the third curved blade and the fourth curved blade are respectively provided with a first end blade rake angle, a second end blade rake angle, a third end blade rake angle and a fourth end blade rake angle, and the angles of the first end blade rake angle, the second end blade rake angle, the third end blade rake angle and the fourth end blade rake angle are all 15°.
[0019] The beneficial effects of this utility model are as follows:
[0020] The PCD diamond ball cutter of this invention adopts a four-blade design, and the outer contour is formed in one operation, which is highly efficient. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .
[0022] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 . Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, in the following descriptions, well-known structures and technologies have been omitted to avoid unnecessary confusion regarding the concept of this utility model.
[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] like Figure 1 As shown in Figure 2, a PCD diamond ball cutter includes a shank portion 100. A cutter head mounting base 110 is welded to one end of the shank portion 100. A first curved cutting edge 210, a second curved cutting edge 220, a third curved cutting edge 230, and a fourth curved cutting edge 240 are provided at intervals on the first sub-cutter head mounting base 111, the second sub-cutter head mounting base 112, the second sub-cutter head mounting base 113, and the fourth sub-cutter head mounting base 114 by welding or other known mounting methods.
[0026] The handle 100 and the tool head mounting base 110 are made of metal, specifically tungsten steel.
[0027] The spacing angle between the first sub-cutter head mounting base 111, the second sub-cutter head mounting base 112, the second sub-cutter head mounting base 113, and the fourth sub-cutter head mounting base 114 is 70°.
[0028] Key points combined Figure 1 The thickness of the first curved blade 210, the second curved blade 220, the third curved blade 230 and the fourth curved blade 240 is 1 mm.
[0029] The radii of curvature R of the first curved blade 210, the second curved blade 220, the third curved blade 230, and the fourth curved blade 240 are all 14.97-15.03 mm.
[0030] Key points combined Figure 2 The first curved blade 210 is mirror-symmetric to the third curved blade 230. The second curved blade 220 is mirror-symmetric to the fourth curved blade 240.
[0031] The first curved blade 210, the second curved blade 220, the third curved blade 230 and the fourth curved blade 240 are respectively provided with a first end blade rake angle 211, a second end blade rake angle 221, a third end blade rake angle 231 and a fourth end blade rake angle 241 at their radial ends.
[0032] The angles of the first end-edge rake angle 211, the second end-edge rake angle 221, the third end-edge rake angle 231, and the fourth end-edge rake angle 241 are all 15°.
[0033] The first curved blade 210, the second curved blade 220, the third curved blade 230, and the fourth curved blade 240 are made of PCD diamond. PCD diamond, or polycrystalline diamond, is a polycrystalline material formed by sintering many tiny diamond particles with a metal binder under high temperature (1000-2000℃) and high pressure (50,000-100,000 atmospheres).
[0034] PCD diamond material contains diamond particles with a submicron diameter. Due to its excellent edge sharpness and retention, and ultra-fine particle structure, it is suitable for applications requiring mirror-like finish. It offers high efficiency, high quality, and stability for product development and processing, while also ensuring high precision and long tool life. This can effectively reduce processing costs and improve product competitiveness.
[0035] The above shows and describes the basic principles, main features, and advantages of this utility model.
[0036] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of this utility model as defined by the appended claims and their equivalents.
Claims
1. A PCD diamond ball cutter, characterized in that, include: The handle portion has a blade mounting seat welded to one end. A first curved blade, a second curved blade, a third curved blade, and a fourth curved blade are spaced apart on the first sub-blade mounting seat, the second sub-blade mounting seat, the third sub-blade mounting seat, and the fourth sub-blade mounting seat. The first curved blade and the third curved blade are mirror images of each other; The second curved blade and the fourth curved blade are mirror images of each other; The first curved blade, the second curved blade, the third curved blade and the fourth curved blade are respectively provided with a first end blade rake angle, a second end blade rake angle, a third end blade rake angle and a fourth end blade rake angle at their radial ends.
2. The PCD diamond ball cutter as described in claim 1, characterized in that, The thickness of the first curved blade, the second curved blade, the third curved blade and the fourth curved blade is 1 mm.
3. The PCD diamond ball cutter as described in claim 1, characterized in that, The radius of curvature R of the first, second, third and fourth curved blades is 14.97-15.03 mm.
4. The PCD diamond ball cutter as described in claim 1, characterized in that, The first sub-cutter head mounting base, the second sub-cutter head mounting base, the third sub-cutter head mounting base, and the fourth sub-cutter head mounting base are spaced 70° apart.
5. A PCD diamond ball cutter as described in claim 1, characterized in that, The first curved blade, the second curved blade, the third curved blade, and the fourth curved blade are made of PCD diamond.
6. The PCD diamond ball cutter as described in claim 1, characterized in that, The first curved blade, the second curved blade, the third curved blade and the fourth curved blade are respectively provided with a first end blade rake angle, a second end blade rake angle, a third end blade rake angle and a fourth end blade rake angle at their radial ends, and the angles of the first end blade rake angle, the second end blade rake angle, the third end blade rake angle and the fourth end blade rake angle are all 15°.