CN114770361A - High-precision borosilicate glass tube inner diameter machining and inner wall polishing process - Google Patents
High-precision borosilicate glass tube inner diameter machining and inner wall polishing process Download PDFInfo
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- CN114770361A CN114770361A CN202210285669.4A CN202210285669A CN114770361A CN 114770361 A CN114770361 A CN 114770361A CN 202210285669 A CN202210285669 A CN 202210285669A CN 114770361 A CN114770361 A CN 114770361A
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- Prior art keywords
- glass tube
- borosilicate glass
- honing
- expansion
- delta
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Links
- 239000005388 borosilicate glass Substances 0.000 title claims abstract description 73
- 238000007517 polishing process Methods 0.000 title claims abstract description 13
- 238000003754 machining Methods 0.000 title description 4
- 239000011521 glass Substances 0.000 claims abstract description 29
- 238000005498 polishing Methods 0.000 claims description 45
- 238000006073 displacement reaction Methods 0.000 claims description 34
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 6
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
-
- 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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/06—Honing machines or devices; Accessories therefor with controlling or gauging equipment
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/06—Cutting or splitting glass tubes, rods, or hollow products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of borosilicate glass tube processing, in particular to a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process, which comprises the following steps: s1, according to the processing size and the cutting position of the marking pen at the marking position of the borosilicate glass tube, the worker adjusts the position of the limit point of the cutting mill, puts the glass tube in, uses the cutting mill to cut at the marked cutting position, the cutting mill positions one end of the glass tube through the positioning block on the chuck, positions the other end through the orbital limit device, returns immediately after reaching the required length, and puts down the glass tube to be the glass tube with the required length, thereby obtaining the borosilicate glass tube.
Description
Technical Field
The invention relates to the technical field of borosilicate glass tube processing, in particular to a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process.
Background
The soap film tube is made of colorless transparent borosilicate glass material, and the soap film tube produced in China at present adopts a manual drawing method, a mechanical drawing method or a vertical guiding drawing method, but no matter which drawing method is adopted, the requirements of the inner diameter size tolerance and the cylindricity of the glass tube cannot be met, and the most advanced vertical guiding drawing method at present can only control the outer diameter size tolerance of the glass tube to be more than 0.2mm, and can not control the inner diameter size tolerance and the roughness.
The existing silica glass tube inner diameter processing and inner wall polishing process has poor treatment effect on the silica glass tube and cannot meet higher precision requirements.
In summary, the present invention provides a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process to solve the above problems.
Disclosure of Invention
The invention aims to provide a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process comprises the following steps:
s1, according to the machining size, a worker adjusts the position of a limiting point of a cutting mill according to the cutting position of the marked borosilicate glass tube by using a marking pen, the glass tube is placed in the cutting mill, the cutting mill is used for cutting at the marked cutting position, the cutting mill positions one end of the glass tube through a positioning block on a chuck, positions the other end of the glass tube through a limiting device of a track, the glass tube returns to the required length, and the glass tube is the glass tube with the required length, so that the borosilicate glass tube is obtained;
s2, feeding the borosilicate glass tube into a honing machine, starting the honing machine, and polishing the inner diameter of the borosilicate glass tube by the honing machine;
and S3, after the grinding is finished, taking the borosilicate glass tube off the honing machine and sending the borosilicate glass tube into a polishing machine, starting the polishing machine, polishing the borosilicate glass tube by the polishing machine, and after the polishing is finished, taking the borosilicate glass tube off the polishing machine to obtain the high-precision borosilicate glass tube.
As a preferable embodiment of the present invention, the rough grinding process in S2 specifically includes:
s11, fixing a pressure measuring device on a honing machine and contacting with a grinding expansion ejector rod, driving the honing expansion ejector rod to generate a certain expansion displacement delta x by a honing machine control system, measuring the pressure of the corresponding grinding expansion ejector rod, namely the expansion force delta F by the pressure measuring device, repeating the operation for multiple times, marking the obtained multiple groups of expansion displacement delta x and expansion force delta F in a coordinate system with the expansion displacement as a horizontal axis and the expansion force as a vertical axis, fitting the multiple groups of data to obtain a fitting straight line, and measuring the slope of the fitting straight line, namely the conversion coefficient C;
s12, converting the expansion force delta F needed in the honing process into the displacement delta L of the honing expansion mandril by using a conversion formula, inputting the calculated displacement delta L of the honing expansion mandril into a control system of the honing machine, starting the honing machine, controlling the honing expansion force delta F by the honing machine through the displacement delta L of the honing expansion mandril to realize constant-speed processing under certain expansion force, and regulating the inner diameter of the glass tube by using a 400-mesh carborundum drill bit to achieve the required inner diameter and roundness.
As a preferred embodiment of the present invention, the conversion formula in S12 is: and delta L is delta F/C, wherein delta L is the displacement of the expansion mandril.
As a preferable aspect of the present invention, the polishing material used in the polishing process in S3 is made by mixing cerium oxide and pure water.
As a preferable mode of the present invention, the mass ratio of cerium oxide to pure water in the polishing material is 1: 4.
As a preferred scheme of the invention, the polishing machine adopts a customized bristle test tube brush outer edge sleeve polishing cloth to polish the borosilicate glass tube.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a worker cuts a borosilicate glass tube at a marked position according to a machining size by using a marking pen, the glass tube is placed in a cutting and grinding machine, the worker adjusts the position of a limiting point of the cutting and grinding machine, the cutting and grinding machine is used for cutting at the marked cutting position, so that the borosilicate glass tube is obtained, a pressure measuring device is fixed on the honing machine and is in contact with a grinding expansion ejector rod, a honing machine control system drives the honing expansion ejector rod to generate certain expansion displacement delta x, the pressure measuring device measures the pressure of the corresponding grinding expansion ejector rod, namely the expansion force delta F, the operation is repeated for multiple times, the obtained expansion displacement delta x and the expansion force delta F are marked in a coordinate system which takes the expansion displacement as a horizontal axis and takes the expansion force as a vertical axis, the fitting processing is carried out on multiple groups of data, a fitting straight line is obtained, the slope of the fitting straight line is measured, namely the conversion coefficient C, converting an expansion force delta F required in the honing process into a displacement delta L of a honing expansion ejector rod by using a conversion formula delta L, inputting the calculated displacement delta L of the honing expansion ejector rod into a control system of a honing machine, sending a borosilicate glass tube into the honing machine, starting the honing machine, controlling the expansion force delta F by the honing machine through the displacement delta L of the honing expansion ejector rod to realize constant-speed processing under a certain expansion force, starting the honing machine by the honing machine, grinding the inner diameter of the borosilicate glass tube by the honing machine, taking the borosilicate glass tube down from the honing machine and sending the borosilicate glass tube into a polishing machine after grinding, starting the polishing machine, polishing the borosilicate glass tube by the polishing machine, taking the borosilicate glass tube down from the polishing machine after polishing to obtain the high-precision borosilicate glass tube, so that the treatment effect of the borosilicate glass tube is better, can meet higher precision requirements.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention provides a technical scheme that:
a high-precision borosilicate glass tube inner diameter processing and inner wall polishing process comprises the following steps:
s1, adjusting the position of a limiting point of a cutting mill by a worker according to the processing size and the cutting position of the marking pen at the marked position of the borosilicate glass tube, putting the glass tube into the cutting mill, cutting the marked cutting position by the cutting mill, positioning one end of the glass tube by the cutting mill through a positioning block on a chuck, positioning the other end of the glass tube through a limiting device of a track, returning the glass tube to the required length, and removing the glass tube to obtain the borosilicate glass tube which is the glass tube with the required length;
s2, feeding the borosilicate glass tube into a honing machine, starting the honing machine, and polishing the inner diameter of the borosilicate glass tube by the honing machine;
and S3, after the grinding is finished, taking the borosilicate glass tube off the honing machine and sending the borosilicate glass tube into a polishing machine, starting the polishing machine, polishing the borosilicate glass tube by the polishing machine, and after the polishing is finished, taking the borosilicate glass tube off the polishing machine to obtain the high-precision borosilicate glass tube.
Further, the rough grinding process in S2 specifically includes:
s11, fixing a pressure measuring device on a honing machine and contacting with a grinding expansion ejector rod, driving the honing expansion ejector rod to generate a certain expansion displacement delta x by a honing machine control system, measuring the pressure of the corresponding grinding expansion ejector rod, namely the expansion force delta F by the pressure measuring device, repeating the operation for multiple times, marking the obtained multiple groups of expansion displacement delta x and expansion force delta F in a coordinate system with the expansion displacement as a horizontal axis and the expansion force as a vertical axis, fitting the multiple groups of data to obtain a fitting straight line, and measuring the slope of the fitting straight line, namely the conversion coefficient C;
s12, converting the expansion force delta F needed in the honing process into the displacement delta L of the honing expansion mandril by using a conversion formula, inputting the calculated displacement delta L of the honing expansion mandril into a control system of the honing machine, starting the honing machine, controlling the honing expansion force delta F by the honing machine through the displacement delta L of the honing expansion mandril to realize constant-speed processing under certain expansion force, and regulating the inner diameter of the glass tube by using a 400-mesh carborundum drill bit to achieve the required inner diameter and roundness.
Further, the conversion formula in S12 is: and delta L is delta F/C, wherein delta L is the displacement of the expansion mandril.
Further, the polishing material used in the polishing process in S3 is made by mixing cerium oxide and pure water.
Further, the mass ratio of cerium oxide to pure water in the polishing material is 1: 4.
Further, the polishing machine adopts a customized hard-bristle test tube brush outer-edge sleeve polishing cloth to polish the borosilicate glass tube.
The specific implementation case is as follows:
the method comprises the steps that a worker cuts a position of a mark of a borosilicate glass tube according to a machining size by using a marking pen, the glass tube is placed into a cutting and grinding machine, the worker adjusts the position of the limit point of the cutting and grinding machine, the cutting and grinding machine is used for cutting at the marked cutting position, so that the borosilicate glass tube is obtained, a pressure measuring device is fixed on the honing machine and is in contact with a grinding and expanding ejector rod, a honing machine control system drives the honing and expanding ejector rod to generate a certain expansion displacement delta x, the pressure measuring device measures the pressure of the corresponding grinding and expanding ejector rod, namely, the expansion force delta F, the operation is repeated for multiple times, multiple groups of expansion displacement delta x and expansion force delta F are marked in a coordinate system with the expansion displacement as a horizontal axis and the expansion force as a vertical axis, multiple groups of data are subjected to fitting processing, a fitting straight line is obtained, the slope of the fitting straight line is measured, namely, a conversion coefficient C is obtained, and a conversion formula delta L is equal to delta F/C, wherein, Delta L is the displacement of the expansion mandril, the expansion force Delta F required in the honing process is converted into the displacement Delta L of the honing expansion mandril, the calculated displacement Delta L of the honing expansion mandril is input into a control system of the honing machine, the borosilicate glass tube is sent into the honing machine, the honing machine is started, the honing machine controls the honing expansion force Delta F through the displacement Delta L of the honing expansion mandril, the honing machine is started by processing at a constant speed under a certain expansion force, and the honing machine polishes the inner diameter of the borosilicate glass tube;
and after the rough grinding is finished, taking the borosilicate glass tube off the honing machine and sending the borosilicate glass tube into a polishing machine, starting the polishing machine, polishing the borosilicate glass tube by the polishing machine, and after the polishing treatment is finished, taking the borosilicate glass tube off the polishing machine to obtain the high-precision borosilicate glass tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-precision borosilicate glass tube inner diameter processing and inner wall polishing process is characterized by comprising the following steps:
s1, adjusting the position of a limiting point of a cutting mill by a worker according to the processing size and the cutting position of the marking pen at the marked position of the borosilicate glass tube, putting the glass tube into the cutting mill, cutting the marked cutting position by the cutting mill, positioning one end of the glass tube by the cutting mill through a positioning block on a chuck, positioning the other end of the glass tube through a limiting device of a track, returning the glass tube to the required length, and removing the glass tube to obtain the borosilicate glass tube which is the glass tube with the required length;
s2, feeding the borosilicate glass tube into a honing machine, starting the honing machine, and polishing the inner diameter of the borosilicate glass tube by the honing machine;
and S3, after the grinding is finished, taking the borosilicate glass tube off the honing machine and sending the borosilicate glass tube into a polishing machine, starting the polishing machine, polishing the borosilicate glass tube by the polishing machine, and after the polishing is finished, taking the borosilicate glass tube off the polishing machine to obtain the high-precision borosilicate glass tube.
2. The process according to claim 1, wherein the inner diameter of the borosilicate glass tube is processed and the inner wall of the borosilicate glass tube is polished by the following steps: the step of coarse grinding in S2 includes:
s11, fixing a pressure measuring device on a honing machine and contacting with a grinding expansion ejector rod, driving the honing expansion ejector rod to generate a certain expansion displacement delta x by a honing machine control system, measuring the pressure of the corresponding grinding expansion ejector rod, namely the expansion force delta F by the pressure measuring device, repeating the operation for multiple times, marking the obtained multiple groups of expansion displacement delta x and expansion force delta F in a coordinate system with the expansion displacement as a horizontal axis and the expansion force as a vertical axis, fitting the multiple groups of data to obtain a fitting straight line, and measuring the slope of the fitting straight line, namely the conversion coefficient C;
s12, converting the expansion force delta F needed in the honing process into the displacement delta L of the honing expansion ejector rod by using a conversion formula, inputting the calculated displacement delta L of the honing expansion ejector rod into a control system of the honing machine, starting the honing machine, controlling the honing expansion force delta F by the honing machine through the displacement delta L of the honing expansion ejector rod to realize uniform processing under certain expansion force, and regulating the inner diameter of the glass tube by using a 400-mesh carborundum drill bit to achieve the required inner diameter and roundness.
3. The process according to claim 1, wherein the inside diameter of the borosilicate glass tube is machined and the inside wall of the borosilicate glass tube is polished by the following steps: the conversion formula in S12 is: and delta L is delta F/C, wherein delta L is the displacement of the expansion mandril.
4. The process according to claim 1, wherein the inner diameter of the borosilicate glass tube is processed and the inner wall of the borosilicate glass tube is polished by the following steps: the polishing material used in the polishing process in S3 was made by mixing cerium oxide and pure water.
5. The process according to claim 4, wherein the inner diameter of the borosilicate glass tube is processed and the inner wall of the borosilicate glass tube is polished by the following steps: the mass ratio of cerium oxide to pure water in the polishing material is 1: 4.
6. The process according to claim 1, wherein the inner diameter of the borosilicate glass tube is processed and the inner wall of the borosilicate glass tube is polished by the following steps: the polishing machine adopts the polishing cloth sleeved outside the brush of the customized hard bristle test tube to polish the borosilicate glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285669.4A CN114770361A (en) | 2022-03-23 | 2022-03-23 | High-precision borosilicate glass tube inner diameter machining and inner wall polishing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210285669.4A CN114770361A (en) | 2022-03-23 | 2022-03-23 | High-precision borosilicate glass tube inner diameter machining and inner wall polishing process |
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| Publication Number | Publication Date |
|---|---|
| CN114770361A true CN114770361A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210285669.4A Pending CN114770361A (en) | 2022-03-23 | 2022-03-23 | High-precision borosilicate glass tube inner diameter machining and inner wall polishing process |
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| CN (1) | CN114770361A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799949A (en) * | 1985-08-15 | 1989-01-24 | Corning Glass Works | Method of making low loss fiber optic coupler |
| JPH08192352A (en) * | 1995-01-13 | 1996-07-30 | Olympus Optical Co Ltd | Honing tool |
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Application publication date: 20220722 |
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