CN112975283A - S1.0 tiny inner hole machining process - Google Patents
S1.0 tiny inner hole machining process Download PDFInfo
- Publication number
- CN112975283A CN112975283A CN202110192638.XA CN202110192638A CN112975283A CN 112975283 A CN112975283 A CN 112975283A CN 202110192638 A CN202110192638 A CN 202110192638A CN 112975283 A CN112975283 A CN 112975283A
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- China
- Prior art keywords
- spark
- hole
- clamp
- workpiece
- machine
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides a processing technology of an S1.0 tiny inner hole, which comprises the following steps: placing a workpiece in a customized first clamp, wherein after the first clamp is fixed in a spark machine, the workpiece is immersed under the liquid level of electrolyte, the machining center of a hole is over against an electrode of the spark machine, the electrode rotates at a certain speed, and a spark hole with the diameter of 0.6-0.8mm is machined in the workpiece; a CCD camera arranged on the drill machine shoots a spark hole of a workpiece, the central position of the spark hole is calculated, and the drill bit walks to the position right above the spark hole according to data fed back by a CCD vision system; the drill bit moves downwards to process the spark hole at the speed of 500-. The spark machine is adopted to process the bottom hole with smaller diameter before drilling, and part of materials are eliminated, so that the influence of cutting scraps can be eliminated in the drilling process, the probability of tipping of the drill bit can be reduced, the expensive drill bit does not need to be customized, and the processing cost is reduced.
Description
Technical Field
The invention relates to the technical field of finish machining of electronic products, in particular to a machining process of an S1.0 tiny inner hole.
Background
S1.0 micro-hole means a small hole with the aperture not larger than 1.0mm, and the processing requirements of the small hole of the precision part are as follows: the processing precision is less than or equal to +/-0.003 mm, and the roundness of a processing hole is less than 0.003 mm. The small-diameter drill bit directly processes the S1.0 micro-hole on the workpiece, the roughness of the inner wall of the small hole is high due to chip removal, the machining precision can be guaranteed only by purchasing the drill bit with high price, the machining cost of the small hole is high, and the production cost of an enterprise is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to reduce the processing cost of the S1.0 micropore.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a S1.0 tiny inner hole machining process comprises the following steps:
s1, placing the workpiece in a first customized clamp, fixing the first clamp in a spark machine, immersing the workpiece under the liquid level of electrolyte, wherein the machining center of the hole is opposite to an electrode of the spark machine, and the electrode rotates at a certain speed to machine a 0.6-0.8mm spark hole in the workpiece;
s2, after the electric spark machining is finished, taking out the clamp with the workpiece, inverting the workpiece to enable a spark hole formed by the electric spark machining to face downwards, and blowing a small hole by adopting a high-pressure air source to discharge machining scraps;
s3, detecting the aperture of the spark hole by adopting a special go-no go gauge;
s4, transferring the qualified workpieces to a customized second clamp, and clamping the second clamp to a drilling machine;
s5, shooting the spark hole of the workpiece by a CCD camera arranged on the drilling machine, calculating the center position of the spark hole, and enabling the drill bit to walk right above the spark hole according to data fed back by a CCD vision system;
s6, the drill head descends to process the spark hole at the speed of 500-.
Compared with the prior art, the invention has the beneficial effects that: the spark machine is adopted to process the bottom hole with smaller diameter before drilling, and part of materials are eliminated, so that the influence of cutting scraps can be eliminated in the drilling process, the probability of tipping of the drill bit can be reduced, the expensive drill bit does not need to be customized, and the processing cost is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
Example 1
A S1.0 tiny inner hole machining process comprises the following steps:
s1, placing the workpiece in a first customized clamp, fixing the first clamp in a spark machine, immersing the workpiece under the liquid level of electrolyte, wherein the machining center of the hole is opposite to an electrode of the spark machine, and the electrode rotates at a certain speed to machine a 0.6mm spark hole in the workpiece;
s2, after the electric spark machining is finished, taking out the clamp with the workpiece, inverting the workpiece to enable a spark hole formed by the electric spark machining to face downwards, and blowing a small hole by adopting a high-pressure air source to discharge machining scraps;
s3, detecting the aperture of the spark hole by adopting a special go-no go gauge;
s4, transferring the qualified workpieces to a customized second clamp, and clamping the second clamp to a drilling machine;
s5, shooting the spark hole of the workpiece by a CCD camera arranged on the drilling machine, calculating the center position of the spark hole, and enabling the drill bit to walk right above the spark hole according to data fed back by a CCD vision system;
and S6, descending the drill bit, and processing the spark hole at the speed of 500 r/min.
As an improvement of the embodiment, the first clamp and the second clamp have the same structure, the first clamp comprises a first clamping part and a first bottom plate, and the first clamping part is in guiding connection with the first bottom plate through a guide pillar and a guide sleeve; the second clamp comprises a second clamping part and a second bottom plate, and the second clamping part is connected with the second bottom plate in a guiding mode through a guide pillar and a guide sleeve.
Example 2
A S1.0 tiny inner hole machining process comprises the following steps:
s1, placing the workpiece in a first customized clamp, fixing the first clamp in a spark machine, immersing the workpiece under the liquid level of electrolyte, wherein the machining center of the hole is opposite to an electrode of the spark machine, and the electrode rotates at a certain speed to machine a 0.7mm spark hole in the workpiece;
s2, after the electric spark machining is finished, taking out the clamp with the workpiece, inverting the workpiece to enable a spark hole formed by the electric spark machining to face downwards, and blowing a small hole by adopting a high-pressure air source to discharge machining scraps;
s3, detecting the aperture of the spark hole by adopting a special go-no go gauge;
s4, transferring the qualified workpieces to a customized second clamp, and clamping the second clamp to a drilling machine;
s5, shooting the spark hole of the workpiece by a CCD camera arranged on the drilling machine, calculating the center position of the spark hole, and enabling the drill bit to walk right above the spark hole according to data fed back by a CCD vision system;
and S6, descending the drill bit, and processing the spark hole at the speed of 800 r/min.
Example 3
A S1.0 tiny inner hole machining process comprises the following steps:
s1, placing the workpiece in a first customized clamp, fixing the first clamp in a spark machine, immersing the workpiece under the liquid level of electrolyte, wherein the machining center of the hole is opposite to an electrode of the spark machine, and the electrode rotates at a certain speed to machine a 0.8mm spark hole in the workpiece;
s2, after the electric spark machining is finished, taking out the clamp with the workpiece, inverting the workpiece to enable a spark hole formed by the electric spark machining to face downwards, and blowing a small hole by adopting a high-pressure air source to discharge machining scraps;
s3, detecting the aperture of the spark hole by adopting a special go-no go gauge;
s4, transferring the qualified workpieces to a customized second clamp, and clamping the second clamp to a drilling machine;
s5, shooting the spark hole of the workpiece by a CCD camera arranged on the drilling machine, calculating the center position of the spark hole, and enabling the drill bit to walk right above the spark hole according to data fed back by a CCD vision system;
and S6, descending the drill bit, and processing the spark hole at the speed of 1000 r/min.
In conclusion, the beneficial effects of the invention are as follows:
the spark machine is adopted to process the bottom hole with smaller diameter before drilling, and part of materials are eliminated, so that the influence of cutting scraps can be eliminated in the drilling process, the probability of tipping of the drill bit can be reduced, the expensive drill bit does not need to be customized, and the processing cost is reduced.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The S1.0 tiny inner hole machining process is characterized by comprising the following steps of:
s1, placing the workpiece in a first customized clamp, fixing the first clamp in a spark machine, immersing the workpiece under the liquid level of electrolyte, wherein the machining center of the hole is opposite to an electrode of the spark machine, and the electrode rotates at a certain speed to machine a 0.6-0.8mm spark hole in the workpiece;
s2, after the electric spark machining is finished, taking out the clamp with the workpiece, inverting the workpiece to enable a spark hole formed by the electric spark machining to face downwards, and blowing a small hole by adopting a high-pressure air source to discharge machining scraps;
s3, detecting the aperture of the spark hole by adopting a special go-no go gauge;
s4, transferring the qualified workpieces to a customized second clamp, and clamping the second clamp to a drilling machine;
s5, shooting the spark hole of the workpiece by a CCD camera arranged on the drilling machine, calculating the center position of the spark hole, and enabling the drill bit to walk right above the spark hole according to data fed back by a CCD vision system;
s6, the drill head descends to process the spark hole at the speed of 500-.
2. The S1.0 tiny inner hole machining process according to claim 1, wherein the first clamp and the second clamp are consistent in structure.
3. The S1.0 tiny inner hole machining process according to claim 1, wherein the first clamp comprises a first clamping portion and a first bottom plate, and the first clamping portion and the first bottom plate are in guiding connection through a guide post and a guide sleeve; the second clamp comprises a second clamping part and a second bottom plate, and the second clamping part is connected with the second bottom plate in a guiding mode through a guide pillar and a guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192638.XA CN112975283A (en) | 2021-02-20 | 2021-02-20 | S1.0 tiny inner hole machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192638.XA CN112975283A (en) | 2021-02-20 | 2021-02-20 | S1.0 tiny inner hole machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975283A true CN112975283A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110192638.XA Pending CN112975283A (en) | 2021-02-20 | 2021-02-20 | S1.0 tiny inner hole machining process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952306A (en) * | 2022-06-21 | 2022-08-30 | 河南省优普密封科技有限公司 | Machining process for 0.25mm glue inlet hole of liquid mold |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411721A (en) * | 1987-07-06 | 1989-01-17 | Nippon Telegraph & Telephone | Method of machining fine hole and device therefor |
| WO1999058280A1 (en) * | 1998-05-13 | 1999-11-18 | Mitsubishi Denki Kabushiki Kaisha | Method and apparatus for treating surface of tool |
| JP2013220504A (en) * | 2012-04-17 | 2013-10-28 | Kami Denshi Kogyo Kk | Compound machining device |
| CN108213624A (en) * | 2017-12-25 | 2018-06-29 | 江苏大学 | A kind of electric-spark drilling and the tool and method of reaming Compound Machining elongated hole |
| CN108213625A (en) * | 2017-12-25 | 2018-06-29 | 江苏大学 | A kind of electrochemical drilling and the tool and method of reaming Compound Machining elongated hole |
| CN111069862A (en) * | 2019-12-31 | 2020-04-28 | 西安稀有金属材料研究院有限公司 | Method for precisely machining deep hole |
| CN211360970U (en) * | 2019-12-17 | 2020-08-28 | 广州静创智能科技有限公司 | Clamp for linear cutting machine |
-
2021
- 2021-02-20 CN CN202110192638.XA patent/CN112975283A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411721A (en) * | 1987-07-06 | 1989-01-17 | Nippon Telegraph & Telephone | Method of machining fine hole and device therefor |
| WO1999058280A1 (en) * | 1998-05-13 | 1999-11-18 | Mitsubishi Denki Kabushiki Kaisha | Method and apparatus for treating surface of tool |
| CN1261833A (en) * | 1998-05-13 | 2000-08-02 | 三菱电机株式会社 | Method and device for treating tool surface |
| JP2013220504A (en) * | 2012-04-17 | 2013-10-28 | Kami Denshi Kogyo Kk | Compound machining device |
| CN108213624A (en) * | 2017-12-25 | 2018-06-29 | 江苏大学 | A kind of electric-spark drilling and the tool and method of reaming Compound Machining elongated hole |
| CN108213625A (en) * | 2017-12-25 | 2018-06-29 | 江苏大学 | A kind of electrochemical drilling and the tool and method of reaming Compound Machining elongated hole |
| CN211360970U (en) * | 2019-12-17 | 2020-08-28 | 广州静创智能科技有限公司 | Clamp for linear cutting machine |
| CN111069862A (en) * | 2019-12-31 | 2020-04-28 | 西安稀有金属材料研究院有限公司 | Method for precisely machining deep hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952306A (en) * | 2022-06-21 | 2022-08-30 | 河南省优普密封科技有限公司 | Machining process for 0.25mm glue inlet hole of liquid mold |
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