Centerless grinding guide wheel with sine wave surface textures
By designing periodic sinusoidal texture on the surface of the centerless grinding guide wheel, the friction problem caused by smoothing the traditional guide wheel surface is solved, and higher processing quality and guide wheel durability are achieved.
Patent Information
- Application Number
- CN202411836776.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-03-07
AI Technical Summary
The smooth surface of the traditional guide wheel leads to insufficient friction during grinding, and the workpiece is prone to slide, jump or offset, affecting the processing accuracy and surface quality.
A centerless grinding guide wheel with a sine wave surface texture is designed to increase the contact area and contact angle through periodic sine wave texture and enhance friction.
It effectively enhances the friction between the guide wheel and the workpiece, improves the stability and positioning accuracy of the workpiece, significantly improves the processing quality and surface roughness, and enhances the durability of the guide wheel.
Smart Images

Figure CN119567118A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of precision machining, and more particularly to a centerless grinding guide wheel with a sinusoidal wave surface texture. Background Art
[0002] Centerless grinding is an efficient grinding method widely used in high-precision machining of cylindrical parts. As one of the key components of centerless grinding machine tools, the guide wheel is mainly used to support and guide the workpiece, and to control the feed speed and rotation speed of the workpiece by adjusting its rotation speed and inclination; however, the surface of traditional guide wheels is usually relatively smooth, which may lead to insufficient friction during the grinding process, and the workpiece is prone to sliding, jumping or offset, which in turn affects the machining accuracy and surface quality.
[0003] In order to improve the friction and contact stability between the guide wheel and the workpiece, the existing technology attempts to optimize the performance of the guide wheel by increasing the roughness of the guide wheel surface or using special textures; compared with a smooth surface, a design with a sinusoidal curve texture can effectively enhance the friction by increasing the contact area and contact angle, thereby improving the positioning accuracy and stability of the workpiece. Summary of the invention
[0004] 1. Technical issues to be solved
[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a centerless grinding guide wheel with a sinusoidal wave surface texture to solve the problems raised in the above-mentioned background technology.
[0006] (II) Technical solution
[0007] 1. To achieve the above object, the present invention provides the following technical solution: A centerless grinding guide wheel with a sinusoidal wave surface texture, comprising a centerless grinding guide wheel, characterized in that: the surface of the centerless grinding guide wheel is provided with a texture, and the texture provided on the surface of the centerless grinding guide wheel is realized with a periodic sinusoidal wave texture, wherein the mathematical description formula of the sinusoidal wave texture is:
[0008]
[0009] Where y(x) represents the position of the sinusoidal wave curve on the guide wheel surface along a certain direction (axial and circumferential directions);
[0010] A is the amplitude of the sine wave, representing the fluctuation amplitude of the texture;
[0011] F is the frequency of the sine wave, representing the density of the texture;
[0012] The phase controls the starting position of the texture.
[0013] In a preferred embodiment, the arrangement of the sinusoidal wave textures on the surface of the centerless grinding guide wheel is axial arrangement, and the sinusoidal wave textures are arranged along the axial width of the centerless grinding guide wheel.
[0014] In a preferred embodiment, the width (W) of the sinusoidal wave texture formed on the centerless grinding guide wheel ranges from 0.8 to 1.5 mm.
[0015] In a preferred embodiment, the depth (D) of the sinusoidal wave texture lines provided on the centerless grinding guide wheel ranges from 0.1 to 0.3 mm.
[0016] In a preferred embodiment, the surface of the centerless grinding guide wheel is provided with multiple groups of sinusoidal wave textures, and the calculation formula for the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel is:
[0017]
[0018] Where N is the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel;
[0019] C is the circumference of the centerless grinding guide wheel;
[0020] λ is the wavelength of the sinusoidal wave texture created by the centerless grinding guide wheel.
[0021] In a preferred embodiment, the centerless grinding guide wheel is processed with a sinusoidal wave texture by a CNC grinder and a laser processing device, and the processing texture of the CNC grinder and the laser processing device maintains accuracy.
[0022] In a preferred embodiment, the CNC grinder and the laser processing equipment process a sinusoidal wave curve texture on the surface of the centerless grinding guide wheel along a specified axial direction.
[0023] In a preferred embodiment, the CNC grinder and the laser processing equipment are provided with a measuring device, and the measuring device corresponds to the surface of the centerless grinding guide wheel.
[0024] In a preferred embodiment, the centerless grinding guide wheel corresponds to the centerless grinding wheel, and the rotation axis of the centerless grinding guide wheel is aligned with the main axis of the centerless grinding machine.
[0025] In a preferred embodiment, the centerless grinding guide wheel is adjusted by the centerless grinding machine tool according to the grinding requirements by a rotation speed and an inclination angle of the centerless grinding guide wheel.
[0026] (III) Beneficial effects
[0027] The present invention provides a centerless grinding guide wheel with a sinusoidal wave surface texture, which has the following beneficial effects:
[0028] 1. Improve friction: The contact area of the guide wheel surface is increased through the sinusoidal wave curve texture, which effectively enhances the friction between the guide wheel and the workpiece and prevents the workpiece from sliding and jumping.
[0029] 2. Improve processing quality: Improve the stability and positioning accuracy of the workpiece during the grinding process, and significantly improve the processing quality and surface roughness.
[0030] 3. Enhanced durability: The selection of guide wheel materials and the design of surface texture are combined to improve the wear resistance and service life of the guide wheel.
[0031] 4. Strong versatility: It is suitable for grinding processes of various materials and different types of workpieces and has wide industrial application value.
[0032] 5. It ensures the workpiece positioning and motion control during centerless grinding, provides a stable grinding environment, and is suitable for high-precision and high-efficiency grinding operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0034] Figure 2 for Figure 1 A schematic diagram of the structure of the side view is shown.
[0035] Figure 3 The side view of the present invention is a schematic structural diagram with a scale marked.
[0036] Figure 4 It is a structural schematic diagram of the main view of the present invention with marked proportions. DETAILED DESCRIPTION
[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0038] 2. The present invention provides a centerless grinding guide wheel with a sinusoidal surface texture, including a centerless grinding guide wheel, characterized in that: the surface of the centerless grinding guide wheel is provided with a texture, and the texture provided on the surface of the centerless grinding guide wheel is realized with a periodic sinusoidal texture, wherein the mathematical description formula of the sinusoidal texture is:
[0039]
[0040] Where y(x) represents the position of the sinusoidal wave curve along a certain direction (axial and circumferential directions) on the guide wheel surface;
[0041] A is the amplitude of the sine wave, representing the fluctuation amplitude of the texture;
[0042] F is the frequency of the sine wave, representing the density of the texture;
[0043] The phase controls the starting position of the texture.
[0044] Based on the above, the above scheme is further refined and introduced in combination with the following specific working methods. See the following description for details.
[0045] like Figure 2 As shown; the arrangement of the sinusoidal wave texture on the surface of the centerless grinding guide wheel is axial arrangement, and the sinusoidal wave texture is arranged along the axial width of the centerless grinding guide wheel.
[0046] like Figure 3 and Figure 4 As shown in the figure, the width (W) of the sinusoidal wave texture provided by the centerless grinding guide wheel ranges from 0.8 to 1.5 mm.
[0047] like Figure 3 and Figure 4 As shown in the figure, the depth (D) of the sinusoidal wave texture line provided by the centerless grinding guide wheel ranges from 0.1 to 0.3 mm.
[0048] like Figure 3 and Figure 4 As shown in the figure, there are multiple sets of sinusoidal wave textures on the surface of the centerless grinding guide wheel, and the calculation formula for the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel is:
[0049]
[0050] Where N is the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel;
[0051] C is the circumference of the centerless grinding guide wheel;
[0052] λ is the wavelength of the sinusoidal wave texture created by the centerless grinding guide wheel.
[0053] like Figure 1 As shown; the centerless grinding guide wheel is processed with a sinusoidal wave texture by a CNC grinder and a laser processing equipment, and the processing textures of the CNC grinder and the laser processing equipment maintain accuracy. Further, the sinusoidal wave texture is processed by a CNC grinder and a laser processing equipment to ensure the accuracy and consistency of the sinusoidal wave texture.
[0054] like Figure 1As shown; the CNC grinder and the laser processing equipment process the sinusoidal wave curve texture along the specified axial direction on the surface of the centerless grinding guide wheel. Furthermore, the CNC grinder and the laser processing equipment process the sinusoidal wave curve texture along the specified direction of the centerless grinding guide wheel, so that the amplitude and wavelength of the sinusoidal wave texture should be kept consistent with the design requirements during the processing.
[0055] like Figure 1 As shown; the CNC grinder and the laser processing equipment are equipped with measuring equipment, and the measuring equipment corresponds to the surface of the centerless grinding guide wheel. Furthermore, the measuring equipment is used to perform real-time monitoring and measurement during the processing to ensure that the shape and size of the texture meet the design standards, and trimming and adjustment are performed when necessary to ensure the processing accuracy.
[0056] like Figure 1 As shown; the centerless grinding guide wheel corresponds to the centerless grinding wheel, and the rotation axis of the centerless grinding guide wheel is aligned with the main axis of the centerless grinding machine. Furthermore, during the installation of the centerless grinding guide wheel, it can be ensured that the relative position between the guide wheel and the grinding wheel is correct, and the rotation axis of the guide wheel is aligned with the main axis of the machine.
[0057] like Figure 1 As shown; the centerless grinding guide wheel is adjusted by the centerless grinding machine according to the grinding requirements. Further, according to the workpiece material and the grinding process requirements, the rotation speed and the inclination of the guide wheel are adjusted to ensure that the guide wheel can provide sufficient friction to prevent the workpiece from sliding or jumping during the grinding process.
[0058] In summary, the workflow of the present invention is:
[0059] 1. Design a sine wave curve texture
[0060] Determine texture parameters: Determine the amplitude, frequency, phase and other parameters of the sine wave curve, which determine the shape, fluctuation amplitude and density of the texture to meet the requirements of friction and workpiece stability during the grinding process.
[0061] Set wavelength: Set the wavelength of the sine wave curve texture to ensure that the texture has appropriate periodicity and distribution density on the guide wheel surface.
[0062] 2. Manufacture the surface texture of the guide wheel
[0063] Processing equipment selection: Select appropriate processing equipment (such as CNC grinder or laser processing equipment) to process the texture to ensure the accuracy and consistency of the texture.
[0064] Surface processing: Use the selected equipment to process the sinusoidal wave curve texture on the guide wheel surface along the specified direction (axial or circumferential direction). During the processing, the amplitude and wavelength of the texture should be kept consistent with the design requirements.
[0065] Quality control: During the processing, real-time monitoring and measurement are carried out to ensure that the shape and size of the texture meet the design standards. If necessary, trimming and adjustment are carried out to ensure processing accuracy.
[0066] 3. Installation and debugging of guide wheel
[0067] Install the guide wheel: Install the processed guide wheel on the centerless grinding machine, ensure that the relative position between the guide wheel and the grinding wheel is correct, and that the rotation axis of the guide wheel is aligned with the main axis of the machine.
[0068] Debug the guide wheel rotation speed: According to the workpiece material and grinding process requirements, adjust the guide wheel rotation speed and inclination angle to ensure that the guide wheel can provide sufficient friction to prevent the workpiece from sliding or jumping during the grinding process.
[0069] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0070] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A centerless grinding guide wheel with a sinusoidal surface texture, comprising a centerless grinding guide wheel, characterized in that: The centerless grinding guide wheel surface is provided with a texture, and the texture provided on the centerless grinding guide wheel surface is realized as a periodic sinusoidal wave texture, wherein the mathematical description formula of the sinusoidal wave texture is: Where y(x) represents the position of the sinusoidal wave curve on the guide wheel surface along a certain direction (axial and circumferential directions); A is the amplitude of the sine wave, representing the fluctuation amplitude of the texture; F is the frequency of the sine wave, representing the density of the texture; The phase controls the starting position of the texture.
2. A centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The arrangement of the sinusoidal wave texture on the surface of the centerless grinding guide wheel is axial arrangement, and the sinusoidal wave texture is arranged along the axial width of the centerless grinding guide wheel.
3. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The width (W) of the sinusoidal wave texture formed on the centerless grinding guide wheel ranges from 0.8 to 1.5 mm.
4. The centerless grinding guide wheel with a sinusoidal wave surface texture according to claim 1, characterized in that: The depth (D) of the sinusoidal wave texture line formed on the centerless grinding guide wheel ranges from 0.1 to 0.3 mm.
5. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The surface of the centerless grinding guide wheel is provided with multiple groups of sinusoidal wave textures, and the calculation formula of the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel is: Where N is the number of sinusoidal wave textures in the circumferential direction of the centerless grinding guide wheel; C is the circumference of the centerless grinding guide wheel; λ is the wavelength of the sinusoidal wave texture created by the centerless grinding guide wheel.
6. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The centerless grinding guide wheel is processed with a sinusoidal wave texture by a CNC grinder and a laser processing device, and the processing texture of the CNC grinder and the laser processing device maintains accuracy.
7. A centerless grinding guide wheel with a sinusoidal surface texture according to claim 6, characterized in that: The numerical control grinder and the laser processing equipment process the sinusoidal wave curve texture on the surface of the centerless grinding guide wheel along the specified axial direction.
8. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 6, characterized in that: The numerically controlled grinder and the laser processing equipment are provided with measuring equipment, and the measuring equipment corresponds to the surface of the centerless grinding guide wheel.
9. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The centerless grinding guide wheel corresponds to the centerless grinding wheel, and the rotation axis of the centerless grinding guide wheel is aligned with the main axis of the centerless grinding machine.
10. The centerless grinding guide wheel with a sinusoidal surface texture according to claim 1, characterized in that: The centerless grinding guide wheel is adjusted by the centerless grinding machine tool to have a rotation speed and an inclination angle thereof according to the grinding requirements.