CN117564838A - A grinding process to improve the flatness of ceramic workpieces - Google Patents
A grinding process to improve the flatness of ceramic workpieces Download PDFInfo
- Publication number
- CN117564838A CN117564838A CN202410003866.1A CN202410003866A CN117564838A CN 117564838 A CN117564838 A CN 117564838A CN 202410003866 A CN202410003866 A CN 202410003866A CN 117564838 A CN117564838 A CN 117564838A
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- ceramic
- ceramic blank
- blank
- grinding
- jig
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The application relates to a grinding process for improving the flatness of a ceramic workpiece, which comprises the following steps of: s1, placing a ceramic blank in a jig, and filling viscose between the jig and the ceramic blank; s2, roughly grinding the first surface of the ceramic blank, which faces upwards, and turning the second surface of the ceramic blank, which faces downwards, so that the first surface is absorbed by the sucker and then roughly grinding the second surface; s3, measuring the bending degree of the ceramic blank and sorting the ceramic blank; s4, placing the ceramic blanks with different bending degrees on suckers with corresponding bending radians, and finely grinding the upward surfaces of the ceramic blanks; s5, sorting the ceramic blank after fine grinding again, and sucking the ceramic blank by a sucker corresponding to the bending radian to fine grind the other surface of the ceramic blank; s6, repeating the steps S3 to S5. The ceramic blank is supported and limited by the adhesive, so that the ceramic blank is not easy to deform due to the adsorption force applied by the sucker in the first rough grinding process, and the flatness of the ceramic blank is higher.
Description
Technical Field
The application relates to the technical field of ceramic grinding processes, in particular to a grinding process for improving the flatness of a ceramic workpiece.
Background
The problem that the precision of ceramic work piece in the production process is lower because of the existence of its inside stress and in the course of working to lead to ceramic work piece surface's roughness lower and can produce certain bending, thereby need carry out the planarization of surface that promotes ceramic work piece to ceramic work piece's surface through the mode of polishing before using.
Before polishing the surface of the ceramic workpiece, the position of the ceramic workpiece needs to be limited, and at present, the lower surface of the ceramic workpiece is usually directly absorbed by a sucker, so that the position of the ceramic workpiece is limited. However, when the sucking disc is used for sucking the ceramic workpiece, the sucking disc can apply a downward acting force to the lower end face of the ceramic workpiece, so that the ceramic workpiece with certain bending originally can generate certain deformation due to the acting force, and the surface of the ceramic workpiece is lifted to be planeness due to the acting force. After finishing the polishing, the ceramic workpiece returns to the original bent shape because the ceramic workpiece is no longer subjected to downward force, thereby affecting the flatness of the finally polished ceramic workpiece.
It is therefore necessary to propose a new solution to the above-mentioned problems.
Disclosure of Invention
In order to enable the flatness of the surface of a polished ceramic workpiece to meet the requirements, the application provides a grinding process for improving the flatness of the ceramic workpiece.
The grinding process for improving the flatness of the ceramic workpiece adopts the following technical scheme:
a grinding process for improving the flatness of a ceramic workpiece comprises the following steps:
s1, placing a ceramic blank in a jig, and filling viscose glue between the jig and the ceramic blank to enable the ceramic blank to be stably connected with the jig;
s2, performing rough grinding on the first surface of the ceramic blank, turning the second surface of the ceramic blank, which faces downwards, upwards after rough grinding, so that the first surface is absorbed by the sucker, and then performing rough grinding on the second surface;
s3, measuring the bending degree of the ceramic blank and sorting the ceramic blank;
s4, placing the ceramic blanks with different bending degrees on suckers with corresponding bending radians, and finely grinding the upward surfaces of the ceramic blanks;
s5, sorting the ceramic blank after fine grinding again, and sucking the ceramic blank by a sucker corresponding to the bending radian to fine grind the other surface of the ceramic blank;
s6, repeating the steps S3 to S5.
Through adopting above-mentioned technical scheme, at the in-process of ceramic blank rough grinding, utilize the viscose to support and spacing ceramic blank earlier, make ceramic blank at the in-process of first rough grinding its adsorption affinity that is difficult for receiving the sucking disc and produce deformation, thereby make ceramic blank after the first rough grinding its surface's roughness higher, later select the sucking disc of different bending amplitude to carry out spacing and support ceramic blank according to ceramic blank's bending amplitude before carrying out the finish grinding again, thereby at the in-process ceramic blank of finish grinding also can not produce deformation because of receiving decurrent force, thereby make the roughness of the ceramic work piece of final processing can be guaranteed.
Optionally: in the step S3, the side wall of the downward bulge of the ceramic blank is selected to be placed on a flat table top, one end of the ceramic blank is pressed to be kept in abutting connection with the flat table top, and a gap between the other end of the ceramic blank and the flat table top is measured and recorded by using a thickness gauge.
Through adopting above-mentioned technical scheme, when detecting ceramic blank's bending amplitude, thereby holding ceramic blank's one end and can make ceramic blank's the other end upwards move, can confirm ceramic blank's bending amplitude according to ceramic blank's the other end upwards moving distance to make the process of detecting more convenient.
Optionally: the adhesive comprises wax.
Through adopting above-mentioned technical scheme, when utilizing wax to define the position of ceramic blank, make wax melt earlier to make wax can be according to ceramic blank's shape and deformation, can have certain hardness owing to the wax that solidifies after wax solidifies, thereby can laminate in ceramic blank lower surface's bending amplitude and carry out stable support to ceramic blank. The wax can be conveniently removed from the ceramic blank and reused after the ceramic blank is finished with one surface.
Optionally: in the step S1, before the ceramic blank is placed in the jig, the adhesive is melted and coated on the surface of the jig, the thickness of the coated adhesive is smaller than that of the ceramic blank, and then the ceramic blank is placed in the jig and embedded in the melted adhesive.
Through adopting above-mentioned technical scheme, when going into the wax of melting with ceramic blank in preceding, the wax can be according to ceramic blank's shape deformation, makes its support that can be stable to the degree of depth in the ceramic blank embedding wax is darker, can utilize wax to carry out spacingly to ceramic blank's horizontal migration, the follow-up coarse grinding of being convenient for. The surface of the ceramic blank to be processed is not covered by the wax, so that the coarse grinding process is not easily affected by the wax.
Optionally: in S1, set up many ceramic blanks on the same tool, the tip of the ceramic blank that is located same row is mutual butt, the lateral wall of the ceramic blank that is located adjacent row is mutual butt and tip dislocation each other.
By adopting the technical scheme, as the ceramic blanks are all of the same batch, the bending amplitude of the surfaces of the ceramic blanks can be similar, namely, marks formed on the wax between adjacent ceramic blanks can be similar when the ceramic blanks are placed on the wax, so that horizontal displacement of the ceramic blanks is not easily limited, and after the end parts of the ceramic blanks in adjacent rows are arranged in a staggered manner, the marks formed on the wax of the ceramic blanks are staggered, so that the ceramic blanks are not easily moved horizontally after being arranged on the wax, and the rough grinding process is kept stable.
Optionally: in the step S2, the viscose on the ceramic blank is cleaned and removed between the second surface of the ceramic blank and the sucker.
By adopting the technical scheme, when the second surface of the ceramic blank is subjected to rough grinding, the wax cannot influence the rough grinding.
Optionally: in the step S4, when the fine grinding is performed for the first time, the convex side wall of the ceramic blank is upwards arranged due to bending, and the sucker is adsorbed on the concave side wall of the ceramic blank.
Through adopting above-mentioned technical scheme, when accomplishing the fine grinding of the first time and measuring the crooked range of ceramic blank, can make the face laminating of fine grinding of the first time in leveling mesa setting to make the measurement of crooked range more accurate.
Optionally: in the step S4, ceramic blanks with 3 to 5 wires at intervals are arranged on the same sucker according to data measured by the thickness gauge.
By adopting the technical scheme, because the bending amplitude of the ceramic blank in the processing process is uncontrollable, the measured bending amplitude of the ceramic blank cannot be kept the same, and the ceramic blanks with similar bending amplitude can be arranged on the same sucker by selecting the ceramic blank in a range, so that the sucker can process a plurality of ceramic blanks at one time, and the processing efficiency is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the first rough grinding, the position of the ceramic blank is limited by using wax, and the lower end face of the ceramic blank is supported at the same time, and the shape of the wax can be adapted to the shape of the lower end face of the ceramic blank, so that the whole shape of the ceramic blank is not easy to deform due to stress in the first rough grinding process, and the flatness of the ceramic blank after rough grinding can be ensured;
2. the bending amplitude of the ceramic blank is detected before accurate grinding, so that the ceramic blank can be arranged on the sucker with the bending amplitude adapted to the ceramic blank, the ceramic blank is not easy to deform when limited by the sucker, and the flatness of the surface of the ceramic blank after accurate grinding can be ensured.
Drawings
FIG. 1 is a process flow diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram showing an arrangement of ceramic blanks on a jig according to an embodiment of the present application;
fig. 3 is a schematic diagram for illustrating the detection of the bending radian of a ceramic blank according to an embodiment of the present application.
In the figure, 1, a ceramic blank; 2. a jig; 3. thickness gauge.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The grinding process for improving the flatness of the ceramic workpiece disclosed by the application, as shown in fig. 1 and 2, comprises the following steps:
s1, coating molten adhesive on the surface of a jig 2 for limiting the position of a ceramic blank 1, wherein the thickness of the adhesive coated on the surface of the jig 2 is smaller than that of the ceramic blank 1. And then placing the ceramic blank 1 in the jig 2, and applying force to the ceramic blank 1 to move towards the jig 2 to enable the ceramic blank 1 to be sunk into the adhesive, wherein the thickness of the ceramic blank 1 sunk into the adhesive is larger than that of one end of the ceramic blank 1 and is not contacted with the jig 2. The same jig 2 is provided with a plurality of ceramic blanks 1, the ends of the ceramic blanks 1 arranged on the same row are mutually abutted, and the side walls of the ceramic blanks 1 arranged on adjacent rows are mutually abutted and the ends are mutually staggered. The adhesive is wax, so that the ceramic blank 1 can be embedded into the melted wax in the state of melting the adhesive, the position of the ceramic blank 1 can be limited in the state of solidifying the wax, the wax can be attached to the lower surface of the ceramic blank 1 and support the ceramic blank 1 in the polishing process of the ceramic blank 1, the ceramic blank 1 is not easy to deform downwards in the polishing process, and the adhered wax on the ceramic blank 1 can be conveniently removed after the wax is melted again, so that the subsequent processing is facilitated. And the adjacent ceramic blanks 1 can be mutually abutted, so that the horizontal position of the ceramic blanks 1 is not easy to change in the polishing process, and the lower end face of the ceramic blanks 1 can be stably supported by wax.
S2, after the wax is cooled and solidified, the upward first surface of the ceramic blank 1 is subjected to rough grinding, the ceramic blank 1 is taken down from the jig 2 after the rough grinding is finished, the wax on the ceramic blank 1 is removed, the downward second surface of the ceramic blank 1 is turned upwards, the first surface of the ceramic blank 1 is downward and placed on a horizontal sucker, and the second surface of the ceramic blank 1 is subjected to rough grinding.
S3, measuring the bending degree of the ceramic blank 1 and sorting the ceramic blank 1 according to the change of the bending degree.
As shown in fig. 1 and 3, when the bending degree of the ceramic blank 1 is measured, the side wall of the ceramic blank 1 protruding downwards is placed on a flat table surface, one end of the ceramic blank 1 is pressed to keep fit with the flat table surface, the other end of the ceramic blank 1 moves upwards, and the distance between the end of the ceramic blank 1 moving upwards and the flat table surface is measured and recorded by using the thickness gauge 3.
S4, placing the ceramic blanks 1 with different bending degrees on the suckers with corresponding bending radians, finely grinding the upward faces of the ceramic blanks 1, wherein when fine grinding is performed for the first time, the convex end faces of the ceramic blanks 1 are upward due to bending, and the suckers are adsorbed on the concave side walls of the ceramic blanks 1. Therefore, when the bending amplitude is measured again before the other side wall of the ceramic blank 1 is refined, the refined surface can be directly arranged on the leveling table surface, and the measuring result is more accurate.
Since a plurality of ceramic blanks 1 are usually placed on the same suction cup, and the upward bending amplitude of each ceramic blank 1 is slightly different, it is difficult to find a sufficient number of ceramic blanks 1 with the same bending radian, and therefore, the data measured on the ceramic blanks 1 placed on the same suction cup with the bending radian differ by 3 to 5 wires.
S5, sorting the ceramic blank 1 after fine grinding again, and matching with sucking discs with corresponding bending amplitude to suck, and fine grinding the other surface of the ceramic blank 1.
S6, repeating the steps S3 to S5 until both surfaces of the ceramic blank 1 can be completely attached to the flat table surface.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A grinding process for improving the flatness of a ceramic workpiece is characterized by comprising the following steps of: the method comprises the following steps:
s1, placing a ceramic blank (1) in a jig (2), and filling viscose between the jig (2) and the ceramic blank (1) to enable the ceramic blank (1) to be stably connected with the jig (2);
s2, performing rough grinding on the upward first surface of the ceramic blank (1), turning the downward second surface of the ceramic blank (1) upwards after finishing grinding, and performing rough grinding on the second surface after the first surface is adsorbed by the sucker;
s3, measuring the bending degree of the ceramic blank (1) to sort the ceramic blank (1);
s4, placing the ceramic blanks (1) with different bending degrees on suckers with corresponding bending radians, and finely grinding the upward surfaces of the ceramic blanks (1);
s5, sorting the ceramic blank (1) after fine grinding again, and sucking the ceramic blank by a sucker corresponding to the bending radian to fine grind the other end of the ceramic blank (1);
s6, repeating the steps S3 to S5.
2. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S3, the end face of the downward bulge of the ceramic blank (1) is selected to be placed on a flat table top, one end of the ceramic blank (1) is pressed to be kept in abutting connection with the flat table top, and a gap between the other end of the ceramic blank (1) and the flat table top is measured and recorded by using a thickness gauge (3).
3. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: the adhesive comprises wax.
4. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S1, before the ceramic blank (1) is placed in the jig (2), the adhesive is melted and coated on the surface of the jig (2), the ceramic blank (1) is placed in the jig (2) and embedded into the melted adhesive, and the upper end surface of the ceramic blank (1) to be processed is higher than the upper surface of the adhesive.
5. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S2, after the adhesive is solidified, the first surface of the ceramic blank (1) is subjected to rough grinding.
6. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S2, the viscose on the ceramic blank (1) is cleaned and removed between the second surface of the ceramic blank (1) and the sucker.
7. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S4, when the fine grinding is performed for the first time, the convex end face of the ceramic blank (1) is arranged upwards due to bending, and the sucker is adsorbed on the concave end face of the ceramic blank (1).
8. A grinding process for improving the planarity of a ceramic workpiece according to claim 1, wherein: in the step S3, ceramic blanks (1) with 3 wires to 5 wires at intervals are arranged on the same sucker according to data measured by the thickness gauge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410003866.1A CN117564838A (en) | 2024-01-02 | 2024-01-02 | A grinding process to improve the flatness of ceramic workpieces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410003866.1A CN117564838A (en) | 2024-01-02 | 2024-01-02 | A grinding process to improve the flatness of ceramic workpieces |
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| CN117564838A true CN117564838A (en) | 2024-02-20 |
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| CN202410003866.1A Pending CN117564838A (en) | 2024-01-02 | 2024-01-02 | A grinding process to improve the flatness of ceramic workpieces |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119347648A (en) * | 2024-12-24 | 2025-01-24 | 浙江耐思威智能制造有限公司 | Ceramic workpiece grinding control system and technology based on visual measurement |
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2024
- 2024-01-02 CN CN202410003866.1A patent/CN117564838A/en active Pending
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| CN119347648A (en) * | 2024-12-24 | 2025-01-24 | 浙江耐思威智能制造有限公司 | Ceramic workpiece grinding control system and technology based on visual measurement |
| CN119347648B (en) * | 2024-12-24 | 2025-03-21 | 浙江耐思威智能制造有限公司 | Ceramic workpiece grinding control system and technology based on visual measurement |
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